From: Paulo Alcantara pc@cjr.nz

commit 507345b5ae6a57b7ecd7550ff39282ed20de7b8d upstream.

When there is no cached DFS referral of tcon->dfs_path, then reconnect to same share.

Signed-off-by: Paulo Alcantara (SUSE) pc@cjr.nz Cc: stable@vger.kernel.org Signed-off-by: Steve French stfrench@microsoft.com Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org --- fs/cifs/connect.c | 6 ++---- 1 file changed, 2 insertions(+), 4 deletions(-)

--- a/fs/cifs/connect.c +++ b/fs/cifs/connect.c @@ -4185,7 +4185,8 @@ int cifs_tree_connect(const unsigned int if (!tree) return -ENOMEM;

- if (!tcon->dfs_path) { + /* If it is not dfs or there was no cached dfs referral, then reconnect to same share */ + if (!tcon->dfs_path || dfs_cache_noreq_find(tcon->dfs_path + 1, &ref, &tl)) { if (tcon->ipc) { scnprintf(tree, MAX_TREE_SIZE, "\\%s\IPC$", server->hostname); rc = ops->tree_connect(xid, tcon->ses, tree, tcon, nlsc); @@ -4195,9 +4196,6 @@ int cifs_tree_connect(const unsigned int goto out; }

- rc = dfs_cache_noreq_find(tcon->dfs_path + 1, &ref, &tl); - if (rc) - goto out; isroot = ref.server_type == DFS_TYPE_ROOT; free_dfs_info_param(&ref);

From: Kefeng Wang wangkefeng.wang@huawei.com

commit 23fa2e46a5556f787ce2ea1a315d3ab93cced204 upstream.

BUG: KASAN: use-after-free in kvm_vm_ioctl_unregister_coalesced_mmio+0x7c/0x1ec arch/arm64/kvm/../../../virt/kvm/coalesced_mmio.c:183 Read of size 8 at addr ffff0000c03a2500 by task syz-executor083/4269

CPU: 5 PID: 4269 Comm: syz-executor083 Not tainted 5.10.0 #7 Hardware name: linux,dummy-virt (DT) Call trace: dump_backtrace+0x0/0x2d0 arch/arm64/kernel/stacktrace.c:132 show_stack+0x28/0x34 arch/arm64/kernel/stacktrace.c:196 __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x110/0x164 lib/dump_stack.c:118 print_address_description+0x78/0x5c8 mm/kasan/report.c:385 __kasan_report mm/kasan/report.c:545 [inline] kasan_report+0x148/0x1e4 mm/kasan/report.c:562 check_memory_region_inline mm/kasan/generic.c:183 [inline] __asan_load8+0xb4/0xbc mm/kasan/generic.c:252 kvm_vm_ioctl_unregister_coalesced_mmio+0x7c/0x1ec arch/arm64/kvm/../../../virt/kvm/coalesced_mmio.c:183 kvm_vm_ioctl+0xe30/0x14c4 arch/arm64/kvm/../../../virt/kvm/kvm_main.c:3755 vfs_ioctl fs/ioctl.c:48 [inline] __do_sys_ioctl fs/ioctl.c:753 [inline] __se_sys_ioctl fs/ioctl.c:739 [inline] __arm64_sys_ioctl+0xf88/0x131c fs/ioctl.c:739 __invoke_syscall arch/arm64/kernel/syscall.c:36 [inline] invoke_syscall arch/arm64/kernel/syscall.c:48 [inline] el0_svc_common arch/arm64/kernel/syscall.c:158 [inline] do_el0_svc+0x120/0x290 arch/arm64/kernel/syscall.c:220 el0_svc+0x1c/0x28 arch/arm64/kernel/entry-common.c:367 el0_sync_handler+0x98/0x170 arch/arm64/kernel/entry-common.c:383 el0_sync+0x140/0x180 arch/arm64/kernel/entry.S:670

Allocated by task 4269: stack_trace_save+0x80/0xb8 kernel/stacktrace.c:121 kasan_save_stack mm/kasan/common.c:48 [inline] kasan_set_track mm/kasan/common.c:56 [inline] __kasan_kmalloc+0xdc/0x120 mm/kasan/common.c:461 kasan_kmalloc+0xc/0x14 mm/kasan/common.c:475 kmem_cache_alloc_trace include/linux/slab.h:450 [inline] kmalloc include/linux/slab.h:552 [inline] kzalloc include/linux/slab.h:664 [inline] kvm_vm_ioctl_register_coalesced_mmio+0x78/0x1cc arch/arm64/kvm/../../../virt/kvm/coalesced_mmio.c:146 kvm_vm_ioctl+0x7e8/0x14c4 arch/arm64/kvm/../../../virt/kvm/kvm_main.c:3746 vfs_ioctl fs/ioctl.c:48 [inline] __do_sys_ioctl fs/ioctl.c:753 [inline] __se_sys_ioctl fs/ioctl.c:739 [inline] __arm64_sys_ioctl+0xf88/0x131c fs/ioctl.c:739 __invoke_syscall arch/arm64/kernel/syscall.c:36 [inline] invoke_syscall arch/arm64/kernel/syscall.c:48 [inline] el0_svc_common arch/arm64/kernel/syscall.c:158 [inline] do_el0_svc+0x120/0x290 arch/arm64/kernel/syscall.c:220 el0_svc+0x1c/0x28 arch/arm64/kernel/entry-common.c:367 el0_sync_handler+0x98/0x170 arch/arm64/kernel/entry-common.c:383 el0_sync+0x140/0x180 arch/arm64/kernel/entry.S:670

Freed by task 4269: stack_trace_save+0x80/0xb8 kernel/stacktrace.c:121 kasan_save_stack mm/kasan/common.c:48 [inline] kasan_set_track+0x38/0x6c mm/kasan/common.c:56 kasan_set_free_info+0x20/0x40 mm/kasan/generic.c:355 __kasan_slab_free+0x124/0x150 mm/kasan/common.c:422 kasan_slab_free+0x10/0x1c mm/kasan/common.c:431 slab_free_hook mm/slub.c:1544 [inline] slab_free_freelist_hook mm/slub.c:1577 [inline] slab_free mm/slub.c:3142 [inline] kfree+0x104/0x38c mm/slub.c:4124 coalesced_mmio_destructor+0x94/0xa4 arch/arm64/kvm/../../../virt/kvm/coalesced_mmio.c:102 kvm_iodevice_destructor include/kvm/iodev.h:61 [inline] kvm_io_bus_unregister_dev+0x248/0x280 arch/arm64/kvm/../../../virt/kvm/kvm_main.c:4374 kvm_vm_ioctl_unregister_coalesced_mmio+0x158/0x1ec arch/arm64/kvm/../../../virt/kvm/coalesced_mmio.c:186 kvm_vm_ioctl+0xe30/0x14c4 arch/arm64/kvm/../../../virt/kvm/kvm_main.c:3755 vfs_ioctl fs/ioctl.c:48 [inline] __do_sys_ioctl fs/ioctl.c:753 [inline] __se_sys_ioctl fs/ioctl.c:739 [inline] __arm64_sys_ioctl+0xf88/0x131c fs/ioctl.c:739 __invoke_syscall arch/arm64/kernel/syscall.c:36 [inline] invoke_syscall arch/arm64/kernel/syscall.c:48 [inline] el0_svc_common arch/arm64/kernel/syscall.c:158 [inline] do_el0_svc+0x120/0x290 arch/arm64/kernel/syscall.c:220 el0_svc+0x1c/0x28 arch/arm64/kernel/entry-common.c:367 el0_sync_handler+0x98/0x170 arch/arm64/kernel/entry-common.c:383 el0_sync+0x140/0x180 arch/arm64/kernel/entry.S:670

If kvm_io_bus_unregister_dev() return -ENOMEM, we already call kvm_iodevice_destructor() inside this function to delete 'struct kvm_coalesced_mmio_dev *dev' from list and free the dev, but kvm_iodevice_destructor() is called again, it will lead the above issue.

Let's check the the return value of kvm_io_bus_unregister_dev(), only call kvm_iodevice_destructor() if the return value is 0.

Cc: Paolo Bonzini pbonzini@redhat.com Cc: kvm@vger.kernel.org Reported-by: Hulk Robot hulkci@huawei.com Signed-off-by: Kefeng Wang wangkefeng.wang@huawei.com Message-Id: 20210626070304.143456-1-wangkefeng.wang@huawei.com Cc: stable@vger.kernel.org Fixes: 5d3c4c79384a ("KVM: Stop looking for coalesced MMIO zones if the bus is destroyed", 2021-04-20) Signed-off-by: Paolo Bonzini pbonzini@redhat.com Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org --- virt/kvm/coalesced_mmio.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)

--- a/virt/kvm/coalesced_mmio.c +++ b/virt/kvm/coalesced_mmio.c @@ -186,7 +186,6 @@ int kvm_vm_ioctl_unregister_coalesced_mm coalesced_mmio_in_range(dev, zone->addr, zone->size)) { r = kvm_io_bus_unregister_dev(kvm, zone->pio ? KVM_PIO_BUS : KVM_MMIO_BUS, &dev->dev); - kvm_iodevice_destructor(&dev->dev);

/* * On failure, unregister destroys all devices on the @@ -196,6 +195,7 @@ int kvm_vm_ioctl_unregister_coalesced_mm */ if (r) break; + kvm_iodevice_destructor(&dev->dev); } }

From: Sean Christopherson seanjc@google.com

commit fc9bf2e087efcd81bda2e52d09616d2a1bf982a8 upstream.

Ignore "dynamic" host adjustments to the physical address mask when generating the masks for guest PTEs, i.e. the guest PA masks. The host physical address space and guest physical address space are two different beasts, e.g. even though SEV's C-bit is the same bit location for both host and guest, disabling SME in the host (which clears shadow_me_mask) does not affect the guest PTE->GPA "translation".

For non-SEV guests, not dropping bits is the correct behavior. Assuming KVM and userspace correctly enumerate/configure guest MAXPHYADDR, bits that are lost as collateral damage from memory encryption are treated as reserved bits, i.e. KVM will never get to the point where it attempts to generate a gfn using the affected bits. And if userspace wants to create a bogus vCPU, then userspace gets to deal with the fallout of hardware doing odd things with bad GPAs.

For SEV guests, not dropping the C-bit is technically wrong, but it's a moot point because KVM can't read SEV guest's page tables in any case since they're always encrypted. Not to mention that the current KVM code is also broken since sme_me_mask does not have to be non-zero for SEV to be supported by KVM. The proper fix would be to teach all of KVM to correctly handle guest private memory, but that's a task for the future.

Fixes: d0ec49d4de90 ("kvm/x86/svm: Support Secure Memory Encryption within KVM") Cc: stable@vger.kernel.org Cc: Brijesh Singh brijesh.singh@amd.com Cc: Tom Lendacky thomas.lendacky@amd.com Signed-off-by: Sean Christopherson seanjc@google.com Message-Id: 20210623230552.4027702-5-seanjc@google.com [Use a new header instead of adding header guards to paging_tmpl.h. - Paolo] Signed-off-by: Paolo Bonzini pbonzini@redhat.com Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org --- arch/x86/kvm/mmu/mmu.c | 2 ++ arch/x86/kvm/mmu/paging.h | 14 ++++++++++++++ arch/x86/kvm/mmu/paging_tmpl.h | 4 ++-- arch/x86/kvm/mmu/spte.h | 6 ------ 4 files changed, 18 insertions(+), 8 deletions(-) create mode 100644 arch/x86/kvm/mmu/paging.h

--- a/arch/x86/kvm/mmu/mmu.c +++ b/arch/x86/kvm/mmu/mmu.c @@ -52,6 +52,8 @@ #include <asm/kvm_page_track.h> #include "trace.h"

+#include "paging.h" + extern bool itlb_multihit_kvm_mitigation;

static int __read_mostly nx_huge_pages = -1; --- /dev/null +++ b/arch/x86/kvm/mmu/paging.h @@ -0,0 +1,14 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ +/* Shadow paging constants/helpers that don't need to be #undef'd. */ +#ifndef __KVM_X86_PAGING_H +#define __KVM_X86_PAGING_H + +#define GUEST_PT64_BASE_ADDR_MASK (((1ULL << 52) - 1) & ~(u64)(PAGE_SIZE-1)) +#define PT64_LVL_ADDR_MASK(level) \ + (GUEST_PT64_BASE_ADDR_MASK & ~((1ULL << (PAGE_SHIFT + (((level) - 1) \ + * PT64_LEVEL_BITS))) - 1)) +#define PT64_LVL_OFFSET_MASK(level) \ + (GUEST_PT64_BASE_ADDR_MASK & ((1ULL << (PAGE_SHIFT + (((level) - 1) \ + * PT64_LEVEL_BITS))) - 1)) +#endif /* __KVM_X86_PAGING_H */ + --- a/arch/x86/kvm/mmu/paging_tmpl.h +++ b/arch/x86/kvm/mmu/paging_tmpl.h @@ -24,7 +24,7 @@ #define pt_element_t u64 #define guest_walker guest_walker64 #define FNAME(name) paging##64_##name - #define PT_BASE_ADDR_MASK PT64_BASE_ADDR_MASK + #define PT_BASE_ADDR_MASK GUEST_PT64_BASE_ADDR_MASK #define PT_LVL_ADDR_MASK(lvl) PT64_LVL_ADDR_MASK(lvl) #define PT_LVL_OFFSET_MASK(lvl) PT64_LVL_OFFSET_MASK(lvl) #define PT_INDEX(addr, level) PT64_INDEX(addr, level) @@ -57,7 +57,7 @@ #define pt_element_t u64 #define guest_walker guest_walkerEPT #define FNAME(name) ept_##name - #define PT_BASE_ADDR_MASK PT64_BASE_ADDR_MASK + #define PT_BASE_ADDR_MASK GUEST_PT64_BASE_ADDR_MASK #define PT_LVL_ADDR_MASK(lvl) PT64_LVL_ADDR_MASK(lvl) #define PT_LVL_OFFSET_MASK(lvl) PT64_LVL_OFFSET_MASK(lvl) #define PT_INDEX(addr, level) PT64_INDEX(addr, level) --- a/arch/x86/kvm/mmu/spte.h +++ b/arch/x86/kvm/mmu/spte.h @@ -23,12 +23,6 @@ #else #define PT64_BASE_ADDR_MASK (((1ULL << 52) - 1) & ~(u64)(PAGE_SIZE-1)) #endif -#define PT64_LVL_ADDR_MASK(level) \ - (PT64_BASE_ADDR_MASK & ~((1ULL << (PAGE_SHIFT + (((level) - 1) \ - * PT64_LEVEL_BITS))) - 1)) -#define PT64_LVL_OFFSET_MASK(level) \ - (PT64_BASE_ADDR_MASK & ((1ULL << (PAGE_SHIFT + (((level) - 1) \ - * PT64_LEVEL_BITS))) - 1))

#define PT64_PERM_MASK (PT_PRESENT_MASK | PT_WRITABLE_MASK | shadow_user_mask \ | shadow_x_mask | shadow_nx_mask | shadow_me_mask)

From: Lai Jiangshan laijs@linux.alibaba.com

commit f85d40160691881a17a397c448d799dfc90987ba upstream.

When the host is using debug registers but the guest is not using them nor is the guest in guest-debug state, the kvm code does not reset the host debug registers before kvm_x86->run(). Rather, it relies on the hardware vmentry instruction to automatically reset the dr7 registers which ensures that the host breakpoints do not affect the guest.

This however violates the non-instrumentable nature around VM entry and exit; for example, when a host breakpoint is set on vcpu->arch.cr2,

Another issue is consistency. When the guest debug registers are active, the host breakpoints are reset before kvm_x86->run(). But when the guest debug registers are inactive, the host breakpoints are delayed to be disabled. The host tracing tools may see different results depending on what the guest is doing.

To fix the problems, we clear %db7 unconditionally before kvm_x86->run() if the host has set any breakpoints, no matter if the guest is using them or not.

Signed-off-by: Lai Jiangshan laijs@linux.alibaba.com Message-Id: 20210628172632.81029-1-jiangshanlai@gmail.com Cc: stable@vger.kernel.org [Only clear %db7 instead of reloading all debug registers. - Paolo] Signed-off-by: Paolo Bonzini pbonzini@redhat.com Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org --- arch/x86/kvm/x86.c | 2 ++ 1 file changed, 2 insertions(+)

--- a/arch/x86/kvm/x86.c +++ b/arch/x86/kvm/x86.c @@ -9194,6 +9194,8 @@ static int vcpu_enter_guest(struct kvm_v set_debugreg(vcpu->arch.eff_db[3], 3); set_debugreg(vcpu->arch.dr6, 6); vcpu->arch.switch_db_regs &= ~KVM_DEBUGREG_RELOAD; + } else if (unlikely(hw_breakpoint_active())) { + set_debugreg(0, 7); }

for (;;) {

From: Steffen Maier maier@linux.ibm.com

commit 8b3bdd99c092bbaeaa7d9eecb1a3e5dc9112002b upstream.

On remote cable pull, a zfcp_port keeps its status and only gets ZFCP_STATUS_PORT_LINK_TEST added. Only after an ADISC timeout, we would actually start port recovery and remove ZFCP_STATUS_COMMON_UNBLOCKED which zfcp_sysfs_port_fc_security_show() detected and reported as "unknown" instead of the old and possibly stale zfcp_port->connection_info.

Add check for ZFCP_STATUS_PORT_LINK_TEST for timely "unknown" report.

Link: https://lore.kernel.org/r/20210702160922.2667874-1-maier@linux.ibm.com Fixes: a17c78460093 ("scsi: zfcp: report FC Endpoint Security in sysfs") Cc: stable@vger.kernel.org #5.7+ Reviewed-by: Benjamin Block bblock@linux.ibm.com Signed-off-by: Steffen Maier maier@linux.ibm.com Signed-off-by: Martin K. Petersen martin.petersen@oracle.com Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org --- drivers/s390/scsi/zfcp_sysfs.c | 1 + 1 file changed, 1 insertion(+)

--- a/drivers/s390/scsi/zfcp_sysfs.c +++ b/drivers/s390/scsi/zfcp_sysfs.c @@ -487,6 +487,7 @@ static ssize_t zfcp_sysfs_port_fc_securi if (0 == (status & ZFCP_STATUS_COMMON_OPEN) || 0 == (status & ZFCP_STATUS_COMMON_UNBLOCKED) || 0 == (status & ZFCP_STATUS_PORT_PHYS_OPEN) || + 0 != (status & ZFCP_STATUS_PORT_LINK_TEST) || 0 != (status & ZFCP_STATUS_COMMON_ERP_FAILED) || 0 != (status & ZFCP_STATUS_COMMON_ACCESS_BOXED)) i = sprintf(buf, "unknown\n");

From: Lu Baolu baolu.lu@linux.intel.com

commit 474dd1c6506411752a9b2f2233eec11f1733a099 upstream.

The commit 2b0140c69637e ("iommu/vt-d: Use pci_real_dma_dev() for mapping") fixes an issue of "sub-device is removed where the context entry is cleared for all aliases". But this commit didn't consider the PASID entry and PASID table in VT-d scalable mode. This fix increases the coverage of scalable mode.

Suggested-by: Sanjay Kumar sanjay.k.kumar@intel.com Fixes: 8038bdb855331 ("iommu/vt-d: Only clear real DMA device's context entries") Fixes: 2b0140c69637e ("iommu/vt-d: Use pci_real_dma_dev() for mapping") Cc: stable@vger.kernel.org # v5.6+ Cc: Jon Derrick jonathan.derrick@intel.com Signed-off-by: Lu Baolu baolu.lu@linux.intel.com Link: https://lore.kernel.org/r/20210712071712.3416949-1-baolu.lu@linux.intel.com Signed-off-by: Joerg Roedel jroedel@suse.de Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org --- drivers/iommu/intel/iommu.c | 5 ++--- 1 file changed, 2 insertions(+), 3 deletions(-)

--- a/drivers/iommu/intel/iommu.c +++ b/drivers/iommu/intel/iommu.c @@ -4503,14 +4503,13 @@ static void __dmar_remove_one_dev_info(s iommu = info->iommu; domain = info->domain;

- if (info->dev) { + if (info->dev && !dev_is_real_dma_subdevice(info->dev)) { if (dev_is_pci(info->dev) && sm_supported(iommu)) intel_pasid_tear_down_entry(iommu, info->dev, PASID_RID2PASID, false);

iommu_disable_dev_iotlb(info); - if (!dev_is_real_dma_subdevice(info->dev)) - domain_context_clear(info); + domain_context_clear(info); intel_pasid_free_table(info->dev); }

From: Jinzhou Su Jinzhou.Su@amd.com

commit 775da83005cb61d4c213c636df9337da05714ff1 upstream.

Add new PCI device id.

Signed-off-by: Jinzhou Su Jinzhou.Su@amd.com Reviewed-by: Huang Rui ray.huang@amd.com Reviewed-by: Alex Deucher alexander.deucher@amd.com Signed-off-by: Alex Deucher alexander.deucher@amd.com Cc: stable@vger.kernel.org # 5.11.x Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org --- drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c | 1 + 1 file changed, 1 insertion(+)

--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c @@ -1092,6 +1092,7 @@ static const struct pci_device_id pciidl {0x1002, 0x734F, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_NAVI14},

/* Renoir */ + {0x1002, 0x15E7, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RENOIR|AMD_IS_APU}, {0x1002, 0x1636, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RENOIR|AMD_IS_APU}, {0x1002, 0x1638, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RENOIR|AMD_IS_APU}, {0x1002, 0x164C, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RENOIR|AMD_IS_APU},

From: Ville Syrjälä ville.syrjala@linux.intel.com

commit 2feeb52859fc1ab94cd35b61ada3a6ac4ff24243 upstream.

The conversion to ww mutexes failed to address the fence code which already returns -EDEADLK when we run out of fences. Ww mutexes on the other hand treat -EDEADLK as an internal errno value indicating a need to restart the operation due to a deadlock. So now when the fence code returns -EDEADLK the higher level code erroneously restarts everything instead of returning the error to userspace as is expected.

To remedy this let's switch the fence code to use a different errno value for this. -ENOBUFS seems like a semi-reasonable unique choice. Apart from igt the only user of this I could find is sna, and even there all we do is dump the current fence registers from debugfs into the X server log. So no user visible functionality is affected. If we really cared about preserving this we could of course convert back to -EDEADLK higher up, but doesn't seem like that's worth the hassle here.

Not quite sure which commit specifically broke this, but I'll just attribute it to the general gem ww mutex work.

Cc: stable@vger.kernel.org Cc: Maarten Lankhorst maarten.lankhorst@linux.intel.com Cc: Thomas Hellström thomas.hellstrom@intel.com Testcase: igt/gem_pread/exhaustion Testcase: igt/gem_pwrite/basic-exhaustion Testcase: igt/gem_fenced_exec_thrash/too-many-fences Fixes: 80f0b679d6f0 ("drm/i915: Add an implementation for i915_gem_ww_ctx locking, v2.") Signed-off-by: Ville Syrjälä ville.syrjala@linux.intel.com Link: https://patchwork.freedesktop.org/patch/msgid/20210630164413.25481-1-ville.s... Reviewed-by: Maarten Lankhorst maarten.lankhorst@linux.intel.com (cherry picked from commit 78d2ad7eb4e1f0e9cd5d79788446b6092c21d3e0) Signed-off-by: Rodrigo Vivi rodrigo.vivi@intel.com Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org --- drivers/gpu/drm/i915/gt/intel_ggtt_fencing.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)

--- a/drivers/gpu/drm/i915/gt/intel_ggtt_fencing.c +++ b/drivers/gpu/drm/i915/gt/intel_ggtt_fencing.c @@ -366,7 +366,7 @@ static struct i915_fence_reg *fence_find if (intel_has_pending_fb_unpin(ggtt->vm.i915)) return ERR_PTR(-EAGAIN);

- return ERR_PTR(-EDEADLK); + return ERR_PTR(-ENOBUFS); }

int __i915_vma_pin_fence(struct i915_vma *vma)

From: Zhen Lei thunder.leizhen@huawei.com

commit 0af778269a522c988ef0b4188556aba97fb420cc upstream.

The execution of fb_delete_videomode() is not based on the result of the previous fbcon_mode_deleted(). As a result, the mode is directly deleted, regardless of whether it is still in use, which may cause UAF.

================================================================== BUG: KASAN: use-after-free in fb_mode_is_equal+0x36e/0x5e0 \ drivers/video/fbdev/core/modedb.c:924 Read of size 4 at addr ffff88807e0ddb1c by task syz-executor.0/18962

CPU: 2 PID: 18962 Comm: syz-executor.0 Not tainted 5.10.45-rc1+ #3 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS ... Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x137/0x1be lib/dump_stack.c:118 print_address_description+0x6c/0x640 mm/kasan/report.c:385 __kasan_report mm/kasan/report.c:545 [inline] kasan_report+0x13d/0x1e0 mm/kasan/report.c:562 fb_mode_is_equal+0x36e/0x5e0 drivers/video/fbdev/core/modedb.c:924 fbcon_mode_deleted+0x16a/0x220 drivers/video/fbdev/core/fbcon.c:2746 fb_set_var+0x1e1/0xdb0 drivers/video/fbdev/core/fbmem.c:975 do_fb_ioctl+0x4d9/0x6e0 drivers/video/fbdev/core/fbmem.c:1108 vfs_ioctl fs/ioctl.c:48 [inline] __do_sys_ioctl fs/ioctl.c:753 [inline] __se_sys_ioctl+0xfb/0x170 fs/ioctl.c:739 do_syscall_64+0x2d/0x70 arch/x86/entry/common.c:46 entry_SYSCALL_64_after_hwframe+0x44/0xa9

Freed by task 18960: kasan_save_stack mm/kasan/common.c:48 [inline] kasan_set_track+0x3d/0x70 mm/kasan/common.c:56 kasan_set_free_info+0x17/0x30 mm/kasan/generic.c:355 __kasan_slab_free+0x108/0x140 mm/kasan/common.c:422 slab_free_hook mm/slub.c:1541 [inline] slab_free_freelist_hook+0xd6/0x1a0 mm/slub.c:1574 slab_free mm/slub.c:3139 [inline] kfree+0xca/0x3d0 mm/slub.c:4121 fb_delete_videomode+0x56a/0x820 drivers/video/fbdev/core/modedb.c:1104 fb_set_var+0x1f3/0xdb0 drivers/video/fbdev/core/fbmem.c:978 do_fb_ioctl+0x4d9/0x6e0 drivers/video/fbdev/core/fbmem.c:1108 vfs_ioctl fs/ioctl.c:48 [inline] __do_sys_ioctl fs/ioctl.c:753 [inline] __se_sys_ioctl+0xfb/0x170 fs/ioctl.c:739 do_syscall_64+0x2d/0x70 arch/x86/entry/common.c:46 entry_SYSCALL_64_after_hwframe+0x44/0xa9

Fixes: 13ff178ccd6d ("fbcon: Call fbcon_mode_deleted/new_modelist directly") Signed-off-by: Zhen Lei thunder.leizhen@huawei.com Cc: stable@vger.kernel.org # v5.3+ Signed-off-by: Daniel Vetter daniel.vetter@ffwll.ch Link: https://patchwork.freedesktop.org/patch/msgid/20210712085544.2828-1-thunder.... Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org --- drivers/video/fbdev/core/fbmem.c | 12 +++++------- 1 file changed, 5 insertions(+), 7 deletions(-)

--- a/drivers/video/fbdev/core/fbmem.c +++ b/drivers/video/fbdev/core/fbmem.c @@ -970,13 +970,11 @@ fb_set_var(struct fb_info *info, struct fb_var_to_videomode(&mode2, &info->var); /* make sure we don't delete the videomode of current var */ ret = fb_mode_is_equal(&mode1, &mode2); - - if (!ret) - fbcon_mode_deleted(info, &mode1); - - if (!ret) - fb_delete_videomode(&mode1, &info->modelist); - + if (!ret) { + ret = fbcon_mode_deleted(info, &mode1); + if (!ret) + fb_delete_videomode(&mode1, &info->modelist); + }

return ret ? -EINVAL : 0; }

From: Joao Martins joao.m.martins@oracle.com

commit d08af0a59684e18a51aa4bfd24c658994ea3fc5b upstream.

Commit 82e5d378b0e47 ("mm/hugetlb: refactor subpage recording") refactored the count of subpages but missed an edge case when @vaddr is not aligned to PAGE_SIZE e.g. when close to vma->vm_end. It would then errousnly set @refs to 0 and record_subpages_vmas() wouldn't set the @pages array element to its value, consequently causing the reported null-deref by syzbot.

Fix it by aligning down @vaddr by PAGE_SIZE in @refs calculation.

Link: https://lkml.kernel.org/r/20210713152440.28650-1-joao.m.martins@oracle.com Fixes: 82e5d378b0e47 ("mm/hugetlb: refactor subpage recording") Reported-by: syzbot+a3fcd59df1b372066f5a@syzkaller.appspotmail.com Signed-off-by: Joao Martins joao.m.martins@oracle.com Reviewed-by: Mike Kravetz mike.kravetz@oracle.com Cc: stable@vger.kernel.org Signed-off-by: Andrew Morton akpm@linux-foundation.org Signed-off-by: Linus Torvalds torvalds@linux-foundation.org Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org --- mm/hugetlb.c | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-)

--- a/mm/hugetlb.c +++ b/mm/hugetlb.c @@ -5029,8 +5029,9 @@ long follow_hugetlb_page(struct mm_struc continue; }

- refs = min3(pages_per_huge_page(h) - pfn_offset, - (vma->vm_end - vaddr) >> PAGE_SHIFT, remainder); + /* vaddr may not be aligned to PAGE_SIZE */ + refs = min3(pages_per_huge_page(h) - pfn_offset, remainder, + (vma->vm_end - ALIGN_DOWN(vaddr, PAGE_SIZE)) >> PAGE_SHIFT);

if (pages || vmas) record_subpages_vmas(mem_map_offset(page, pfn_offset),

From: Pavel Begunkov asml.silence@gmail.com

commit 9c6882608bce249a8918744ecdb65748534e3f17 upstream.

When we use delayed_work for fallback execution of requests, current will be not of the submitter task, and so checks in io_req_task_submit() may not behave as expected. Currently, it leaves inline completions not flushed, so making io_ring_exit_work() to hang. Use the submitter task for all those checks.

Cc: stable@vger.kernel.org Signed-off-by: Pavel Begunkov asml.silence@gmail.com Link: https://lore.kernel.org/r/cb413c715bed0bc9c98b169059ea9c8a2c770715.162588143... Signed-off-by: Jens Axboe axboe@kernel.dk Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org --- fs/io_uring.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)

--- a/fs/io_uring.c +++ b/fs/io_uring.c @@ -2023,7 +2023,7 @@ static void __io_req_task_submit(struct

/* ctx stays valid until unlock, even if we drop all ours ctx->refs */ mutex_lock(&ctx->uring_lock); - if (!(current->flags & PF_EXITING) && !current->in_execve) + if (!(req->task->flags & PF_EXITING) && !req->task->in_execve) __io_queue_sqe(req); else __io_req_task_cancel(req, -EFAULT);

From: Filipe Manana fdmanana@suse.com

commit 1cb3db1cf383a3c7dbda1aa0ce748b0958759947 upstream.

When a task attempting to allocate a new chunk verifies that there is not currently enough free space in the system space_info and there is another task that allocated a new system chunk but it did not finish yet the creation of the respective block group, it waits for that other task to finish creating the block group. This is to avoid exhaustion of the system chunk array in the superblock, which is limited, when we have a thundering herd of tasks allocating new chunks. This problem was described and fixed by commit eafa4fd0ad0607 ("btrfs: fix exhaustion of the system chunk array due to concurrent allocations").

However there are two very similar scenarios where this can lead to a deadlock:

1) Task B allocated a new system chunk and task A is waiting on task B to finish creation of the respective system block group. However before task B ends its transaction handle and finishes the creation of the system block group, it attempts to allocate another chunk (like a data chunk for an fallocate operation for a very large range). Task B will be unable to progress and allocate the new chunk, because task A set space_info->chunk_alloc to 1 and therefore it loops at btrfs_chunk_alloc() waiting for task A to finish its chunk allocation and set space_info->chunk_alloc to 0, but task A is waiting on task B to finish creation of the new system block group, therefore resulting in a deadlock;

2) Task B allocated a new system chunk and task A is waiting on task B to finish creation of the respective system block group. By the time that task B enter the final phase of block group allocation, which happens at btrfs_create_pending_block_groups(), when it modifies the extent tree, the device tree or the chunk tree to insert the items for some new block group, it needs to allocate a new chunk, so it ends up at btrfs_chunk_alloc() and keeps looping there because task A has set space_info->chunk_alloc to 1, but task A is waiting for task B to finish creation of the new system block group and release the reserved system space, therefore resulting in a deadlock.

In short, the problem is if a task B needs to allocate a new chunk after it previously allocated a new system chunk and if another task A is currently waiting for task B to complete the allocation of the new system chunk.

Unfortunately this deadlock scenario introduced by the previous fix for the system chunk array exhaustion problem does not have a simple and short fix, and requires a big change to rework the chunk allocation code so that chunk btree updates are all made in the first phase of chunk allocation. And since this deadlock regression is being frequently hit on zoned filesystems and the system chunk array exhaustion problem is triggered in more extreme cases (originally observed on PowerPC with a node size of 64K when running the fallocate tests from stress-ng), revert the changes from that commit. The next patch in the series, with a subject of "btrfs: rework chunk allocation to avoid exhaustion of the system chunk array" does the necessary changes to fix the system chunk array exhaustion problem.

Reported-by: Naohiro Aota naohiro.aota@wdc.com Link: https://lore.kernel.org/linux-btrfs/20210621015922.ewgbffxuawia7liz@naota-xe... Fixes: eafa4fd0ad0607 ("btrfs: fix exhaustion of the system chunk array due to concurrent allocations") CC: stable@vger.kernel.org # 5.12+ Tested-by: Shin'ichiro Kawasaki shinichiro.kawasaki@wdc.com Tested-by: Naohiro Aota naohiro.aota@wdc.com Signed-off-by: Filipe Manana fdmanana@suse.com Tested-by: David Sterba dsterba@suse.com Signed-off-by: David Sterba dsterba@suse.com Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org --- fs/btrfs/block-group.c | 58 ------------------------------------------------- fs/btrfs/transaction.c | 5 ---- fs/btrfs/transaction.h | 7 ----- 3 files changed, 1 insertion(+), 69 deletions(-)

--- a/fs/btrfs/block-group.c +++ b/fs/btrfs/block-group.c @@ -3269,7 +3269,6 @@ static u64 get_profile_num_devs(struct b */ void check_system_chunk(struct btrfs_trans_handle *trans, u64 type) { - struct btrfs_transaction *cur_trans = trans->transaction; struct btrfs_fs_info *fs_info = trans->fs_info; struct btrfs_space_info *info; u64 left; @@ -3284,7 +3283,6 @@ void check_system_chunk(struct btrfs_tra lockdep_assert_held(&fs_info->chunk_mutex);

info = btrfs_find_space_info(fs_info, BTRFS_BLOCK_GROUP_SYSTEM); -again: spin_lock(&info->lock); left = info->total_bytes - btrfs_space_info_used(info, true); spin_unlock(&info->lock); @@ -3303,58 +3301,6 @@ again:

if (left < thresh) { u64 flags = btrfs_system_alloc_profile(fs_info); - u64 reserved = atomic64_read(&cur_trans->chunk_bytes_reserved); - - /* - * If there's not available space for the chunk tree (system - * space) and there are other tasks that reserved space for - * creating a new system block group, wait for them to complete - * the creation of their system block group and release excess - * reserved space. We do this because: - * - * *) We can end up allocating more system chunks than necessary - * when there are multiple tasks that are concurrently - * allocating block groups, which can lead to exhaustion of - * the system array in the superblock; - * - * *) If we allocate extra and unnecessary system block groups, - * despite being empty for a long time, and possibly forever, - * they end not being added to the list of unused block groups - * because that typically happens only when deallocating the - * last extent from a block group - which never happens since - * we never allocate from them in the first place. The few - * exceptions are when mounting a filesystem or running scrub, - * which add unused block groups to the list of unused block - * groups, to be deleted by the cleaner kthread. - * And even when they are added to the list of unused block - * groups, it can take a long time until they get deleted, - * since the cleaner kthread might be sleeping or busy with - * other work (deleting subvolumes, running delayed iputs, - * defrag scheduling, etc); - * - * This is rare in practice, but can happen when too many tasks - * are allocating blocks groups in parallel (via fallocate()) - * and before the one that reserved space for a new system block - * group finishes the block group creation and releases the space - * reserved in excess (at btrfs_create_pending_block_groups()), - * other tasks end up here and see free system space temporarily - * not enough for updating the chunk tree. - * - * We unlock the chunk mutex before waiting for such tasks and - * lock it again after the wait, otherwise we would deadlock. - * It is safe to do so because allocating a system chunk is the - * first thing done while allocating a new block group. - */ - if (reserved > trans->chunk_bytes_reserved) { - const u64 min_needed = reserved - thresh; - - mutex_unlock(&fs_info->chunk_mutex); - wait_event(cur_trans->chunk_reserve_wait, - atomic64_read(&cur_trans->chunk_bytes_reserved) <= - min_needed); - mutex_lock(&fs_info->chunk_mutex); - goto again; - }

/* * Ignore failure to create system chunk. We might end up not @@ -3369,10 +3315,8 @@ again: ret = btrfs_block_rsv_add(fs_info->chunk_root, &fs_info->chunk_block_rsv, thresh, BTRFS_RESERVE_NO_FLUSH); - if (!ret) { - atomic64_add(thresh, &cur_trans->chunk_bytes_reserved); + if (!ret) trans->chunk_bytes_reserved += thresh; - } } }

--- a/fs/btrfs/transaction.c +++ b/fs/btrfs/transaction.c @@ -260,7 +260,6 @@ static inline int extwriter_counter_read void btrfs_trans_release_chunk_metadata(struct btrfs_trans_handle *trans) { struct btrfs_fs_info *fs_info = trans->fs_info; - struct btrfs_transaction *cur_trans = trans->transaction;

if (!trans->chunk_bytes_reserved) return; @@ -269,8 +268,6 @@ void btrfs_trans_release_chunk_metadata(

btrfs_block_rsv_release(fs_info, &fs_info->chunk_block_rsv, trans->chunk_bytes_reserved, NULL); - atomic64_sub(trans->chunk_bytes_reserved, &cur_trans->chunk_bytes_reserved); - cond_wake_up(&cur_trans->chunk_reserve_wait); trans->chunk_bytes_reserved = 0; }

@@ -386,8 +383,6 @@ loop: spin_lock_init(&cur_trans->dropped_roots_lock); INIT_LIST_HEAD(&cur_trans->releasing_ebs); spin_lock_init(&cur_trans->releasing_ebs_lock); - atomic64_set(&cur_trans->chunk_bytes_reserved, 0); - init_waitqueue_head(&cur_trans->chunk_reserve_wait); list_add_tail(&cur_trans->list, &fs_info->trans_list); extent_io_tree_init(fs_info, &cur_trans->dirty_pages, IO_TREE_TRANS_DIRTY_PAGES, fs_info->btree_inode); --- a/fs/btrfs/transaction.h +++ b/fs/btrfs/transaction.h @@ -96,13 +96,6 @@ struct btrfs_transaction {

spinlock_t releasing_ebs_lock; struct list_head releasing_ebs; - - /* - * The number of bytes currently reserved, by all transaction handles - * attached to this transaction, for metadata extents of the chunk tree. - */ - atomic64_t chunk_bytes_reserved; - wait_queue_head_t chunk_reserve_wait; };

#define __TRANS_FREEZABLE (1U << 0)

From: Filipe Manana fdmanana@suse.com

commit ea32af47f00a046a1f953370514d6d946efe0152 upstream.

When syncing the log, if we fail to allocate the root node for the log root tree:

1) We are unlocking fs_info->tree_log_mutex, but at this point we have not yet locked this mutex;

2) We have locked fs_info->tree_root->log_mutex, but we end up not unlocking it;

So fix this by unlocking fs_info->tree_root->log_mutex instead of fs_info->tree_log_mutex.

Fixes: e75f9fd194090e ("btrfs: zoned: move log tree node allocation out of log_root_tree->log_mutex") CC: stable@vger.kernel.org # 5.13+ Reviewed-by: Nikolay Borisov nborisov@suse.com Reviewed-by: Johannes Thumshirn johannes.thumshirn@wdc.com Signed-off-by: Filipe Manana fdmanana@suse.com Signed-off-by: David Sterba dsterba@suse.com Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org --- fs/btrfs/tree-log.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)

--- a/fs/btrfs/tree-log.c +++ b/fs/btrfs/tree-log.c @@ -3173,7 +3173,7 @@ int btrfs_sync_log(struct btrfs_trans_ha if (!log_root_tree->node) { ret = btrfs_alloc_log_tree_node(trans, log_root_tree); if (ret) { - mutex_unlock(&fs_info->tree_log_mutex); + mutex_unlock(&fs_info->tree_root->log_mutex); goto out; } }

From: Wayne Lin Wayne.Lin@amd.com

commit 3769e4c0af5b82c8ea21d037013cb9564dfaa51f upstream.

[Why] After unplug/hotplug hub from the system, userspace might start to clear stale payloads gradually. If we call drm_dp_mst_deallocate_vcpi() to release stale VCPI of those ports which are not relating to current topology, we have chane to wrongly clear active payload table entry for current topology.

E.g. We have allocated VCPI 1 in current payload table and we call drm_dp_mst_deallocate_vcpi() to clean VCPI 1 in stale topology. In drm_dp_mst_deallocate_vcpi(), it will call drm_dp_mst_put_payload_id() tp put VCPI 1 and which means ID 1 is available again. Thereafter, if we want to allocate a new payload stream, it will find ID 1 is available by drm_dp_mst_assign_payload_id(). However, ID 1 is being used

[How] Check target sink is relating to current topology or not before doing any payload table update. Searching upward to find the target sink's relevant root branch device. If the found root branch device is not the same root of current topology, don't update payload table.

Changes since v1: * Change debug macro to use drm_dbg_kms() instead * Amend the commit message to add Cc tag.

Signed-off-by: Wayne Lin Wayne.Lin@amd.com Cc: stable@vger.kernel.org Signed-off-by: Lyude Paul lyude@redhat.com Link: https://patchwork.freedesktop.org/patch/msgid/20210616035501.3776-3-Wayne.Li... Reviewed-by: Lyude Paul lyude@redhat.com Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org --- drivers/gpu/drm/drm_dp_mst_topology.c | 29 +++++++++++++++++++++++++++++ 1 file changed, 29 insertions(+)

--- a/drivers/gpu/drm/drm_dp_mst_topology.c +++ b/drivers/gpu/drm/drm_dp_mst_topology.c @@ -94,6 +94,9 @@ static int drm_dp_mst_register_i2c_bus(s static void drm_dp_mst_unregister_i2c_bus(struct drm_dp_mst_port *port); static void drm_dp_mst_kick_tx(struct drm_dp_mst_topology_mgr *mgr);

+static bool drm_dp_mst_port_downstream_of_branch(struct drm_dp_mst_port *port, + struct drm_dp_mst_branch *branch); + #define DBG_PREFIX "[dp_mst]"

#define DP_STR(x) [DP_ ## x] = #x @@ -3362,6 +3365,7 @@ int drm_dp_update_payload_part1(struct d struct drm_dp_mst_port *port; int i, j; int cur_slots = 1; + bool skip;

mutex_lock(&mgr->payload_lock); for (i = 0; i < mgr->max_payloads; i++) { @@ -3376,6 +3380,14 @@ int drm_dp_update_payload_part1(struct d port = container_of(vcpi, struct drm_dp_mst_port, vcpi);

+ mutex_lock(&mgr->lock); + skip = !drm_dp_mst_port_downstream_of_branch(port, mgr->mst_primary); + mutex_unlock(&mgr->lock); + + if (skip) { + drm_dbg_kms("Virtual channel %d is not in current topology\n", i); + continue; + } /* Validated ports don't matter if we're releasing * VCPI */ @@ -3475,6 +3487,7 @@ int drm_dp_update_payload_part2(struct d struct drm_dp_mst_port *port; int i; int ret = 0; + bool skip;

mutex_lock(&mgr->payload_lock); for (i = 0; i < mgr->max_payloads; i++) { @@ -3484,6 +3497,13 @@ int drm_dp_update_payload_part2(struct d

port = container_of(mgr->proposed_vcpis[i], struct drm_dp_mst_port, vcpi);

+ mutex_lock(&mgr->lock); + skip = !drm_dp_mst_port_downstream_of_branch(port, mgr->mst_primary); + mutex_unlock(&mgr->lock); + + if (skip) + continue; + DRM_DEBUG_KMS("payload %d %d\n", i, mgr->payloads[i].payload_state); if (mgr->payloads[i].payload_state == DP_PAYLOAD_LOCAL) { ret = drm_dp_create_payload_step2(mgr, port, mgr->proposed_vcpis[i]->vcpi, &mgr->payloads[i]); @@ -4565,9 +4585,18 @@ EXPORT_SYMBOL(drm_dp_mst_reset_vcpi_slot void drm_dp_mst_deallocate_vcpi(struct drm_dp_mst_topology_mgr *mgr, struct drm_dp_mst_port *port) { + bool skip; + if (!port->vcpi.vcpi) return;

+ mutex_lock(&mgr->lock); + skip = !drm_dp_mst_port_downstream_of_branch(port, mgr->mst_primary); + mutex_unlock(&mgr->lock); + + if (skip) + return; + drm_dp_mst_put_payload_id(mgr, port->vcpi.vcpi); port->vcpi.num_slots = 0; port->vcpi.pbn = 0;

From: Pavel Begunkov asml.silence@gmail.com

commit df9727affa058f4f18e388b30247650f8ae13cd8 upstream.

Don't put linked timeout req in io_async_find_and_cancel() but do it in io_link_timeout_fn(), so we have only one point for that and won't have to do it differently as it's now (put vs put_deferred). Btw, improve a bit io_async_find_and_cancel()'s locking.

Signed-off-by: Pavel Begunkov asml.silence@gmail.com Link: https://lore.kernel.org/r/d75b70957f245275ab7cba83e0ac9c1b86aae78a.161728788... Signed-off-by: Jens Axboe axboe@kernel.dk Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org --- fs/io_uring.c | 10 +++------- 1 file changed, 3 insertions(+), 7 deletions(-)

--- a/fs/io_uring.c +++ b/fs/io_uring.c @@ -5727,12 +5727,9 @@ static void io_async_find_and_cancel(str int ret;

ret = io_async_cancel_one(req->task->io_uring, sqe_addr, ctx); - if (ret != -ENOENT) { - spin_lock_irqsave(&ctx->completion_lock, flags); - goto done; - } - spin_lock_irqsave(&ctx->completion_lock, flags); + if (ret != -ENOENT) + goto done; ret = io_timeout_cancel(ctx, sqe_addr); if (ret != -ENOENT) goto done; @@ -5747,7 +5744,6 @@ done:

if (ret < 0) req_set_fail_links(req); - io_put_req(req); }

static int io_async_cancel_prep(struct io_kiocb *req, @@ -6310,8 +6306,8 @@ static enum hrtimer_restart io_link_time io_put_req_deferred(req, 1); } else { io_req_complete_post(req, -ETIME, 0); - io_put_req_deferred(req, 1); } + io_put_req_deferred(req, 1); return HRTIMER_NORESTART; }

From: Nikolay Aleksandrov nikolay@nvidia.com

commit 04bef83a3358946bfc98a5ecebd1b0003d83d882 upstream.

When a PIM hello packet is received on a bridge port with multicast snooping enabled, we mark it as a router port automatically, that includes adding that port the router port list. The multicast lock protects that list, but it is not acquired in the PIM message case leading to a race condition, we need to take it to fix the race.

Cc: stable@vger.kernel.org Fixes: 91b02d3d133b ("bridge: mcast: add router port on PIM hello message") Signed-off-by: Nikolay Aleksandrov nikolay@nvidia.com Signed-off-by: David S. Miller davem@davemloft.net Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org --- net/bridge/br_multicast.c | 2 ++ 1 file changed, 2 insertions(+)

--- a/net/bridge/br_multicast.c +++ b/net/bridge/br_multicast.c @@ -3087,7 +3087,9 @@ static void br_multicast_pim(struct net_ pim_hdr_type(pimhdr) != PIM_TYPE_HELLO) return;

+ spin_lock(&br->multicast_lock); br_multicast_mark_router(br, port); + spin_unlock(&br->multicast_lock); }

static int br_ip4_multicast_mrd_rcv(struct net_bridge *br,

From: Yang Yingliang yangyingliang@huawei.com

[ Upstream commit ee522bcf026ec82ada793979c3a906274430595a ]

After device_get_match_data(), tlc591xx is not checked, add check for it and also check np after dev_of_node.

Reported-by: Hulk Robot hulkci@huawei.com Signed-off-by: Yang Yingliang yangyingliang@huawei.com Signed-off-by: Pavel Machek pavel@ucw.cz Signed-off-by: Sasha Levin sashal@kernel.org --- drivers/leds/leds-tlc591xx.c | 8 ++++++-- 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/drivers/leds/leds-tlc591xx.c b/drivers/leds/leds-tlc591xx.c index 5b9dfdf743ec..cb7bd1353f9f 100644 --- a/drivers/leds/leds-tlc591xx.c +++ b/drivers/leds/leds-tlc591xx.c @@ -148,16 +148,20 @@ static int tlc591xx_probe(struct i2c_client *client, const struct i2c_device_id *id) { - struct device_node *np = dev_of_node(&client->dev), *child; + struct device_node *np, *child; struct device *dev = &client->dev; const struct tlc591xx *tlc591xx; struct tlc591xx_priv *priv; int err, count, reg;

- tlc591xx = device_get_match_data(dev); + np = dev_of_node(dev); if (!np) return -ENODEV;

+ tlc591xx = device_get_match_data(dev); + if (!tlc591xx) + return -ENODEV; + count = of_get_available_child_count(np); if (!count || count > tlc591xx->max_leds) return -EINVAL;

From: Robin Gong yibin.gong@nxp.com

[ Upstream commit f0c07993af0acf5545d5c1445798846565f4f147 ]

For fix below warning reported by static code analysis tool like Coverity from Synopsys:

Signed-off-by: Robin Gong yibin.gong@nxp.com Addresses-Coverity-ID: 12285639 ("Unchecked return value") Link: https://lore.kernel.org/r/1619427549-20498-1-git-send-email-yibin.gong@nxp.c... Signed-off-by: Vinod Koul vkoul@kernel.org Signed-off-by: Sasha Levin sashal@kernel.org --- drivers/dma/fsl-qdma.c | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/drivers/dma/fsl-qdma.c b/drivers/dma/fsl-qdma.c index ed2ab46b15e7..045ead46ec8f 100644 --- a/drivers/dma/fsl-qdma.c +++ b/drivers/dma/fsl-qdma.c @@ -1235,7 +1235,11 @@ static int fsl_qdma_probe(struct platform_device *pdev) fsl_qdma->dma_dev.device_synchronize = fsl_qdma_synchronize; fsl_qdma->dma_dev.device_terminate_all = fsl_qdma_terminate_all;

- dma_set_mask(&pdev->dev, DMA_BIT_MASK(40)); + ret = dma_set_mask(&pdev->dev, DMA_BIT_MASK(40)); + if (ret) { + dev_err(&pdev->dev, "dma_set_mask failure.\n"); + return ret; + }

platform_set_drvdata(pdev, fsl_qdma);

From: Frederic Weisbecker frederic@kernel.org

[ Upstream commit b5befe842e6612cf894cf4a199924ee872d8b7d8 ]

An srcu_struct structure that is initialized before rcu_init_geometry() will have its srcu_node hierarchy based on CONFIG_NR_CPUS. Once rcu_init_geometry() is called, this hierarchy is compressed as needed for the actual maximum number of CPUs for this system.

Later on, that srcu_struct structure is confused, sometimes referring to its initial CONFIG_NR_CPUS-based hierarchy, and sometimes instead to the new num_possible_cpus() hierarchy. For example, each of its ->mynode fields continues to reference the original leaf rcu_node structures, some of which might no longer exist. On the other hand, srcu_for_each_node_breadth_first() traverses to the new node hierarchy.

There are at least two bad possible outcomes to this:

1) a) A callback enqueued early on an srcu_data structure (call it *sdp) is recorded pending on sdp->mynode->srcu_data_have_cbs in srcu_funnel_gp_start() with sdp->mynode pointing to a deep leaf (say 3 levels).

b) The grace period ends after rcu_init_geometry() shrinks the nodes level to a single one. srcu_gp_end() walks through the new srcu_node hierarchy without ever reaching the old leaves so the callback is never executed.

This is easily reproduced on an 8 CPUs machine with CONFIG_NR_CPUS >= 32 and "rcupdate.rcu_self_test=1". The srcu_barrier() after early tests verification never completes and the boot hangs:

[ 5413.141029] INFO: task swapper/0:1 blocked for more than 4915 seconds. [ 5413.147564] Not tainted 5.12.0-rc4+ #28 [ 5413.151927] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 5413.159753] task:swapper/0 state:D stack: 0 pid: 1 ppid: 0 flags:0x00004000 [ 5413.168099] Call Trace: [ 5413.170555] __schedule+0x36c/0x930 [ 5413.174057] ? wait_for_completion+0x88/0x110 [ 5413.178423] schedule+0x46/0xf0 [ 5413.181575] schedule_timeout+0x284/0x380 [ 5413.185591] ? wait_for_completion+0x88/0x110 [ 5413.189957] ? mark_held_locks+0x61/0x80 [ 5413.193882] ? mark_held_locks+0x61/0x80 [ 5413.197809] ? _raw_spin_unlock_irq+0x24/0x50 [ 5413.202173] ? wait_for_completion+0x88/0x110 [ 5413.206535] wait_for_completion+0xb4/0x110 [ 5413.210724] ? srcu_torture_stats_print+0x110/0x110 [ 5413.215610] srcu_barrier+0x187/0x200 [ 5413.219277] ? rcu_tasks_verify_self_tests+0x50/0x50 [ 5413.224244] ? rdinit_setup+0x2b/0x2b [ 5413.227907] rcu_verify_early_boot_tests+0x2d/0x40 [ 5413.232700] do_one_initcall+0x63/0x310 [ 5413.236541] ? rdinit_setup+0x2b/0x2b [ 5413.240207] ? rcu_read_lock_sched_held+0x52/0x80 [ 5413.244912] kernel_init_freeable+0x253/0x28f [ 5413.249273] ? rest_init+0x250/0x250 [ 5413.252846] kernel_init+0xa/0x110 [ 5413.256257] ret_from_fork+0x22/0x30

2) An srcu_struct structure that is initialized before rcu_init_geometry() and used afterward will always have stale rdp->mynode references, resulting in callbacks to be missed in srcu_gp_end(), just like in the previous scenario.

This commit therefore causes init_srcu_struct_nodes to initialize the geometry, if needed. This ensures that the srcu_node hierarchy is properly built and distributed from the get-go.

Suggested-by: Paul E. McKenney paulmck@kernel.org Signed-off-by: Frederic Weisbecker frederic@kernel.org Cc: Boqun Feng boqun.feng@gmail.com Cc: Lai Jiangshan jiangshanlai@gmail.com Cc: Neeraj Upadhyay neeraju@codeaurora.org Cc: Josh Triplett josh@joshtriplett.org Cc: Joel Fernandes joel@joelfernandes.org Cc: Uladzislau Rezki urezki@gmail.com Signed-off-by: Paul E. McKenney paulmck@kernel.org Signed-off-by: Sasha Levin sashal@kernel.org --- kernel/rcu/rcu.h | 2 ++ kernel/rcu/srcutree.c | 3 +++ kernel/rcu/tree.c | 16 +++++++++++++++- 3 files changed, 20 insertions(+), 1 deletion(-)

diff --git a/kernel/rcu/rcu.h b/kernel/rcu/rcu.h index bf0827d4b659..cfd06fb5ba6d 100644 --- a/kernel/rcu/rcu.h +++ b/kernel/rcu/rcu.h @@ -308,6 +308,8 @@ static inline void rcu_init_levelspread(int *levelspread, const int *levelcnt) } }

+extern void rcu_init_geometry(void); + /* Returns a pointer to the first leaf rcu_node structure. */ #define rcu_first_leaf_node() (rcu_state.level[rcu_num_lvls - 1])

diff --git a/kernel/rcu/srcutree.c b/kernel/rcu/srcutree.c index e26547b34ad3..072e47288f1f 100644 --- a/kernel/rcu/srcutree.c +++ b/kernel/rcu/srcutree.c @@ -90,6 +90,9 @@ static void init_srcu_struct_nodes(struct srcu_struct *ssp, bool is_static) struct srcu_node *snp; struct srcu_node *snp_first;

+ /* Initialize geometry if it has not already been initialized. */ + rcu_init_geometry(); + /* Work out the overall tree geometry. */ ssp->level[0] = &ssp->node[0]; for (i = 1; i < rcu_num_lvls; i++) diff --git a/kernel/rcu/tree.c b/kernel/rcu/tree.c index a274622ed6fa..33bdbe0629d5 100644 --- a/kernel/rcu/tree.c +++ b/kernel/rcu/tree.c @@ -4502,11 +4502,25 @@ static void __init rcu_init_one(void) * replace the definitions in tree.h because those are needed to size * the ->node array in the rcu_state structure. */ -static void __init rcu_init_geometry(void) +void rcu_init_geometry(void) { ulong d; int i; + static unsigned long old_nr_cpu_ids; int rcu_capacity[RCU_NUM_LVLS]; + static bool initialized; + + if (initialized) { + /* + * Warn if setup_nr_cpu_ids() had not yet been invoked, + * unless nr_cpus_ids == NR_CPUS, in which case who cares? + */ + WARN_ON_ONCE(old_nr_cpu_ids != nr_cpu_ids); + return; + } + + old_nr_cpu_ids = nr_cpu_ids; + initialized = true;

/* * Initialize any unspecified boot parameters.

From: Raymond Tan raymond.tan@intel.com

[ Upstream commit 457d22850b27de3aea336108272d08602c55fdf7 ]

There's no separate low power (LP) version of Elkhart Lake, thus this patch updates the PCI Device ID DEFINE to indicate this.

Acked-by: Felipe Balbi balbi@kernel.org Signed-off-by: Raymond Tan raymond.tan@intel.com Signed-off-by: Heikki Krogerus heikki.krogerus@linux.intel.com Link: https://lore.kernel.org/r/20210512135901.28495-1-heikki.krogerus@linux.intel... Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org Signed-off-by: Sasha Levin sashal@kernel.org --- drivers/usb/dwc3/dwc3-pci.c | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/drivers/usb/dwc3/dwc3-pci.c b/drivers/usb/dwc3/dwc3-pci.c index 19789e94bbd0..45ec5ac9876e 100644 --- a/drivers/usb/dwc3/dwc3-pci.c +++ b/drivers/usb/dwc3/dwc3-pci.c @@ -36,7 +36,7 @@ #define PCI_DEVICE_ID_INTEL_CNPH 0xa36e #define PCI_DEVICE_ID_INTEL_CNPV 0xa3b0 #define PCI_DEVICE_ID_INTEL_ICLLP 0x34ee -#define PCI_DEVICE_ID_INTEL_EHLLP 0x4b7e +#define PCI_DEVICE_ID_INTEL_EHL 0x4b7e #define PCI_DEVICE_ID_INTEL_TGPLP 0xa0ee #define PCI_DEVICE_ID_INTEL_TGPH 0x43ee #define PCI_DEVICE_ID_INTEL_JSP 0x4dee @@ -167,7 +167,7 @@ static int dwc3_pci_quirks(struct dwc3_pci *dwc) if (pdev->vendor == PCI_VENDOR_ID_INTEL) { if (pdev->device == PCI_DEVICE_ID_INTEL_BXT || pdev->device == PCI_DEVICE_ID_INTEL_BXT_M || - pdev->device == PCI_DEVICE_ID_INTEL_EHLLP) { + pdev->device == PCI_DEVICE_ID_INTEL_EHL) { guid_parse(PCI_INTEL_BXT_DSM_GUID, &dwc->guid); dwc->has_dsm_for_pm = true; } @@ -375,8 +375,8 @@ static const struct pci_device_id dwc3_pci_id_table[] = { { PCI_VDEVICE(INTEL, PCI_DEVICE_ID_INTEL_ICLLP), (kernel_ulong_t) &dwc3_pci_intel_swnode, },

- { PCI_VDEVICE(INTEL, PCI_DEVICE_ID_INTEL_EHLLP), - (kernel_ulong_t) &dwc3_pci_intel_swnode }, + { PCI_VDEVICE(INTEL, PCI_DEVICE_ID_INTEL_EHL), + (kernel_ulong_t) &dwc3_pci_intel_swnode, },

{ PCI_VDEVICE(INTEL, PCI_DEVICE_ID_INTEL_TGPLP), (kernel_ulong_t) &dwc3_pci_intel_swnode, },

From: Michael Walle michael@walle.cc

[ Upstream commit 8cac2f6eb8548245e6f8fb893fc7f2a714952654 ]

SYSRQ doesn't work with DMA. This is because there is no error indication whether a symbol had a framing error or not. Actually, this is not completely correct, there is a bit in the data register which is set in this case, but we'd have to read change the DMA access to 16 bit and we'd need to post process the data, thus make the DMA pointless in the first place.

Signed-off-by: Michael Walle michael@walle.cc Link: https://lore.kernel.org/r/20210512141255.18277-10-michael@walle.cc Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org Signed-off-by: Sasha Levin sashal@kernel.org --- drivers/tty/serial/fsl_lpuart.c | 6 ++++++ 1 file changed, 6 insertions(+)

diff --git a/drivers/tty/serial/fsl_lpuart.c b/drivers/tty/serial/fsl_lpuart.c index 4cad2ac00e9f..0d7ea144a4a6 100644 --- a/drivers/tty/serial/fsl_lpuart.c +++ b/drivers/tty/serial/fsl_lpuart.c @@ -1571,6 +1571,9 @@ static void lpuart_tx_dma_startup(struct lpuart_port *sport) u32 uartbaud; int ret;

+ if (uart_console(&sport->port)) + goto err; + if (!sport->dma_tx_chan) goto err;

@@ -1600,6 +1603,9 @@ static void lpuart_rx_dma_startup(struct lpuart_port *sport) int ret; unsigned char cr3;

+ if (uart_console(&sport->port)) + goto err; + if (!sport->dma_rx_chan) goto err;

From: Tong Zhang ztong0001@gmail.com

[ Upstream commit 3ce3e45cc333da707d4d6eb433574b990bcc26f5 ]

There is an issue with the ASPM(optional) capability checking function. A device might be attached to root complex directly, in this case, bus->self(bridge) will be NULL, thus priv->parent_pdev is NULL. Since alcor_pci_init_check_aspm(priv->parent_pdev) checks the PCI link's ASPM capability and populate parent_cap_off, which will be used later by alcor_pci_aspm_ctrl() to dynamically turn on/off device, what we can do here is to avoid checking the capability if we are on the root complex. This will make pdev_cap_off 0 and alcor_pci_aspm_ctrl() will simply return when bring called, effectively disable ASPM for the device.

[ 1.246492] BUG: kernel NULL pointer dereference, address: 00000000000000c0 [ 1.248731] RIP: 0010:pci_read_config_byte+0x5/0x40 [ 1.253998] Call Trace: [ 1.254131] ? alcor_pci_find_cap_offset.isra.0+0x3a/0x100 [alcor_pci] [ 1.254476] alcor_pci_probe+0x169/0x2d5 [alcor_pci]

Co-developed-by: Greg Kroah-Hartman gregkh@linuxfoundation.org Signed-off-by: Tong Zhang ztong0001@gmail.com Link: https://lore.kernel.org/r/20210513040732.1310159-1-ztong0001@gmail.com Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org Signed-off-by: Sasha Levin sashal@kernel.org --- drivers/misc/cardreader/alcor_pci.c | 8 +++++++- 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/drivers/misc/cardreader/alcor_pci.c b/drivers/misc/cardreader/alcor_pci.c index cd402c89189e..0a62307f7ffb 100644 --- a/drivers/misc/cardreader/alcor_pci.c +++ b/drivers/misc/cardreader/alcor_pci.c @@ -139,7 +139,13 @@ static void alcor_pci_init_check_aspm(struct alcor_pci_priv *priv) u32 val32;

priv->pdev_cap_off = alcor_pci_find_cap_offset(priv, priv->pdev); - priv->parent_cap_off = alcor_pci_find_cap_offset(priv, + /* + * A device might be attached to root complex directly and + * priv->parent_pdev will be NULL. In this case we don't check its + * capability and disable ASPM completely. + */ + if (!priv->parent_pdev) + priv->parent_cap_off = alcor_pci_find_cap_offset(priv, priv->parent_pdev);

if ((priv->pdev_cap_off == 0) || (priv->parent_cap_off == 0)) {

From: Arnd Bergmann arnd@arndb.de

[ Upstream commit 1b1774998b2dec837a57d729d1a22e5eb2d6d206 ]

A simplification of get_unaligned() clashes with callers that pass in a character pointer, causing a harmless warning like:

block/partitions/msdos.c: In function 'msdos_partition': include/asm-generic/unaligned.h:13:22: warning: 'packed' attribute ignored for field of type 'u8' {aka 'unsigned char'} [-Wattributes]

Remove the SYS_IND() macro with the get_unaligned() call and just use the ->ind field directly.

Signed-off-by: Arnd Bergmann arnd@arndb.de Signed-off-by: Sasha Levin sashal@kernel.org --- block/partitions/ldm.c | 2 +- block/partitions/ldm.h | 3 --- block/partitions/msdos.c | 24 +++++++++++------------- 3 files changed, 12 insertions(+), 17 deletions(-)

diff --git a/block/partitions/ldm.c b/block/partitions/ldm.c index d333786b5c7e..cc86534c80ad 100644 --- a/block/partitions/ldm.c +++ b/block/partitions/ldm.c @@ -510,7 +510,7 @@ static bool ldm_validate_partition_table(struct parsed_partitions *state)

p = (struct msdos_partition *)(data + 0x01BE); for (i = 0; i < 4; i++, p++) - if (SYS_IND (p) == LDM_PARTITION) { + if (p->sys_ind == LDM_PARTITION) { result = true; break; } diff --git a/block/partitions/ldm.h b/block/partitions/ldm.h index d8d6beaa72c4..8693704dcf5e 100644 --- a/block/partitions/ldm.h +++ b/block/partitions/ldm.h @@ -84,9 +84,6 @@ struct parsed_partitions; #define TOC_BITMAP1 "config" /* Names of the two defined */ #define TOC_BITMAP2 "log" /* bitmaps in the TOCBLOCK. */

-/* Borrowed from msdos.c */ -#define SYS_IND(p) (get_unaligned(&(p)->sys_ind)) - struct frag { /* VBLK Fragment handling */ struct list_head list; u32 group; diff --git a/block/partitions/msdos.c b/block/partitions/msdos.c index 8f2fcc080264..c94de377c502 100644 --- a/block/partitions/msdos.c +++ b/block/partitions/msdos.c @@ -38,8 +38,6 @@ */ #include <asm/unaligned.h>

-#define SYS_IND(p) get_unaligned(&p->sys_ind) - static inline sector_t nr_sects(struct msdos_partition *p) { return (sector_t)get_unaligned_le32(&p->nr_sects); @@ -52,9 +50,9 @@ static inline sector_t start_sect(struct msdos_partition *p)

static inline int is_extended_partition(struct msdos_partition *p) { - return (SYS_IND(p) == DOS_EXTENDED_PARTITION || - SYS_IND(p) == WIN98_EXTENDED_PARTITION || - SYS_IND(p) == LINUX_EXTENDED_PARTITION); + return (p->sys_ind == DOS_EXTENDED_PARTITION || + p->sys_ind == WIN98_EXTENDED_PARTITION || + p->sys_ind == LINUX_EXTENDED_PARTITION); }

#define MSDOS_LABEL_MAGIC1 0x55 @@ -193,7 +191,7 @@ static void parse_extended(struct parsed_partitions *state,

put_partition(state, state->next, next, size); set_info(state, state->next, disksig); - if (SYS_IND(p) == LINUX_RAID_PARTITION) + if (p->sys_ind == LINUX_RAID_PARTITION) state->parts[state->next].flags = ADDPART_FLAG_RAID; loopct = 0; if (++state->next == state->limit) @@ -546,7 +544,7 @@ static void parse_minix(struct parsed_partitions *state, * a secondary MBR describing its subpartitions, or * the normal boot sector. */ if (msdos_magic_present(data + 510) && - SYS_IND(p) == MINIX_PARTITION) { /* subpartition table present */ + p->sys_ind == MINIX_PARTITION) { /* subpartition table present */ char tmp[1 + BDEVNAME_SIZE + 10 + 9 + 1];

snprintf(tmp, sizeof(tmp), " %s%d: <minix:", state->name, origin); @@ -555,7 +553,7 @@ static void parse_minix(struct parsed_partitions *state, if (state->next == state->limit) break; /* add each partition in use */ - if (SYS_IND(p) == MINIX_PARTITION) + if (p->sys_ind == MINIX_PARTITION) put_partition(state, state->next++, start_sect(p), nr_sects(p)); } @@ -643,7 +641,7 @@ int msdos_partition(struct parsed_partitions *state) p = (struct msdos_partition *) (data + 0x1be); for (slot = 1 ; slot <= 4 ; slot++, p++) { /* If this is an EFI GPT disk, msdos should ignore it. */ - if (SYS_IND(p) == EFI_PMBR_OSTYPE_EFI_GPT) { + if (p->sys_ind == EFI_PMBR_OSTYPE_EFI_GPT) { put_dev_sector(sect); return 0; } @@ -685,11 +683,11 @@ int msdos_partition(struct parsed_partitions *state) } put_partition(state, slot, start, size); set_info(state, slot, disksig); - if (SYS_IND(p) == LINUX_RAID_PARTITION) + if (p->sys_ind == LINUX_RAID_PARTITION) state->parts[slot].flags = ADDPART_FLAG_RAID; - if (SYS_IND(p) == DM6_PARTITION) + if (p->sys_ind == DM6_PARTITION) strlcat(state->pp_buf, "[DM]", PAGE_SIZE); - if (SYS_IND(p) == EZD_PARTITION) + if (p->sys_ind == EZD_PARTITION) strlcat(state->pp_buf, "[EZD]", PAGE_SIZE); }

@@ -698,7 +696,7 @@ int msdos_partition(struct parsed_partitions *state) /* second pass - output for each on a separate line */ p = (struct msdos_partition *) (0x1be + data); for (slot = 1 ; slot <= 4 ; slot++, p++) { - unsigned char id = SYS_IND(p); + unsigned char id = p->sys_ind; int n;

if (!nr_sects(p))

From: Jonathan Cameron Jonathan.Cameron@huawei.com

[ Upstream commit 41120ebbb1eb5e9dec93320e259d5b2c93226073 ]

In both the probe() error path and remove() pm_runtime_put_noidle() is called which will decrement the runtime pm reference count. However, there is no matching function to have raised the reference count. Not this isn't a fix as the runtime pm core will stop the reference count going negative anyway.

An alternative would have been to raise the count in these paths, but it is not clear why that would be necessary.

Whilst we are here replace some boilerplate with pm_runtime_resume_and_get() Found using coccicheck script under review at: https://lore.kernel.org/lkml/20210427141946.2478411-1-Julia.Lawall@inria.fr/

Signed-off-by: Jonathan Cameron Jonathan.Cameron@huawei.com Reviewed-by: Rui Miguel Silva rui.silva@linaro.org Reviewed-by: Mauro Carvalho Chehab mchehab+huawei@kernel.org Link: https://lore.kernel.org/r/20210509113354.660190-2-jic23@kernel.org Signed-off-by: Sasha Levin sashal@kernel.org --- drivers/iio/gyro/fxas21002c_core.c | 11 +---------- 1 file changed, 1 insertion(+), 10 deletions(-)

diff --git a/drivers/iio/gyro/fxas21002c_core.c b/drivers/iio/gyro/fxas21002c_core.c index b7523357d8eb..ec6bd15bd2d4 100644 --- a/drivers/iio/gyro/fxas21002c_core.c +++ b/drivers/iio/gyro/fxas21002c_core.c @@ -366,14 +366,7 @@ out_unlock:

static int fxas21002c_pm_get(struct fxas21002c_data *data) { - struct device *dev = regmap_get_device(data->regmap); - int ret; - - ret = pm_runtime_get_sync(dev); - if (ret < 0) - pm_runtime_put_noidle(dev); - - return ret; + return pm_runtime_resume_and_get(regmap_get_device(data->regmap)); }

static int fxas21002c_pm_put(struct fxas21002c_data *data) @@ -1005,7 +998,6 @@ int fxas21002c_core_probe(struct device *dev, struct regmap *regmap, int irq, pm_disable: pm_runtime_disable(dev); pm_runtime_set_suspended(dev); - pm_runtime_put_noidle(dev);

return ret; } @@ -1019,7 +1011,6 @@ void fxas21002c_core_remove(struct device *dev)

pm_runtime_disable(dev); pm_runtime_set_suspended(dev); - pm_runtime_put_noidle(dev); } EXPORT_SYMBOL_GPL(fxas21002c_core_remove);

From: Takashi Iwai tiwai@suse.de

[ Upstream commit bae3ce4942980d5f7b2b9855f4a2db0c00f9dfbd ]

For improving readability, convert camelCase fields, variables and functions to the plain names with underscore. Also align the macros to be capital letters.

All done via sed, no functional changes.

Note that you'll still see many coding style issues even after this patch; the fixes will follow.

Link: https://lore.kernel.org/r/20210517131545.27252-2-tiwai@suse.de Signed-off-by: Takashi Iwai tiwai@suse.de Signed-off-by: Sasha Levin sashal@kernel.org --- sound/usb/usx2y/usX2Yhwdep.c | 56 ++-- sound/usb/usx2y/usX2Yhwdep.h | 2 +- sound/usb/usx2y/usbus428ctldefs.h | 102 +++---- sound/usb/usx2y/usbusx2y.c | 218 +++++++-------- sound/usb/usx2y/usbusx2y.h | 58 ++-- sound/usb/usx2y/usbusx2yaudio.c | 448 +++++++++++++++--------------- sound/usb/usx2y/usx2yhwdeppcm.c | 410 +++++++++++++-------------- sound/usb/usx2y/usx2yhwdeppcm.h | 4 +- 8 files changed, 649 insertions(+), 649 deletions(-)

diff --git a/sound/usb/usx2y/usX2Yhwdep.c b/sound/usb/usx2y/usX2Yhwdep.c index 22412cd69e98..10868c3fb656 100644 --- a/sound/usb/usx2y/usX2Yhwdep.c +++ b/sound/usb/usx2y/usX2Yhwdep.c @@ -29,7 +29,7 @@ static vm_fault_t snd_us428ctls_vm_fault(struct vm_fault *vmf) vmf->pgoff); offset = vmf->pgoff << PAGE_SHIFT; - vaddr = (char *)((struct usX2Ydev *)vmf->vma->vm_private_data)->us428ctls_sharedmem + offset; + vaddr = (char *)((struct usx2ydev *)vmf->vma->vm_private_data)->us428ctls_sharedmem + offset; page = virt_to_page(vaddr); get_page(page); vmf->page = page; @@ -47,7 +47,7 @@ static const struct vm_operations_struct us428ctls_vm_ops = { static int snd_us428ctls_mmap(struct snd_hwdep * hw, struct file *filp, struct vm_area_struct *area) { unsigned long size = (unsigned long)(area->vm_end - area->vm_start); - struct usX2Ydev *us428 = hw->private_data; + struct usx2ydev *us428 = hw->private_data;

// FIXME this hwdep interface is used twice: fpga download and mmap for controlling Lights etc. Maybe better using 2 hwdep devs? // so as long as the device isn't fully initialised yet we return -EBUSY here. @@ -66,7 +66,7 @@ static int snd_us428ctls_mmap(struct snd_hwdep * hw, struct file *filp, struct v if (!us428->us428ctls_sharedmem) return -ENOMEM; memset(us428->us428ctls_sharedmem, -1, sizeof(struct us428ctls_sharedmem)); - us428->us428ctls_sharedmem->CtlSnapShotLast = -2; + us428->us428ctls_sharedmem->ctl_snapshot_last = -2; } area->vm_ops = &us428ctls_vm_ops; area->vm_flags |= VM_DONTEXPAND | VM_DONTDUMP; @@ -77,21 +77,21 @@ static int snd_us428ctls_mmap(struct snd_hwdep * hw, struct file *filp, struct v static __poll_t snd_us428ctls_poll(struct snd_hwdep *hw, struct file *file, poll_table *wait) { __poll_t mask = 0; - struct usX2Ydev *us428 = hw->private_data; + struct usx2ydev *us428 = hw->private_data; struct us428ctls_sharedmem *shm = us428->us428ctls_sharedmem; if (us428->chip_status & USX2Y_STAT_CHIP_HUP) return EPOLLHUP;

poll_wait(file, &us428->us428ctls_wait_queue_head, wait);

- if (shm != NULL && shm->CtlSnapShotLast != shm->CtlSnapShotRed) + if (shm != NULL && shm->ctl_snapshot_last != shm->ctl_snapshot_red) mask |= EPOLLIN;

return mask; }

-static int snd_usX2Y_hwdep_dsp_status(struct snd_hwdep *hw, +static int snd_usx2y_hwdep_dsp_status(struct snd_hwdep *hw, struct snd_hwdep_dsp_status *info) { static const char * const type_ids[USX2Y_TYPE_NUMS] = { @@ -99,7 +99,7 @@ static int snd_usX2Y_hwdep_dsp_status(struct snd_hwdep *hw, [USX2Y_TYPE_224] = "us224", [USX2Y_TYPE_428] = "us428", }; - struct usX2Ydev *us428 = hw->private_data; + struct usx2ydev *us428 = hw->private_data; int id = -1;

switch (le16_to_cpu(us428->dev->descriptor.idProduct)) { @@ -124,7 +124,7 @@ static int snd_usX2Y_hwdep_dsp_status(struct snd_hwdep *hw, }

-static int usX2Y_create_usbmidi(struct snd_card *card) +static int usx2y_create_usbmidi(struct snd_card *card) { static const struct snd_usb_midi_endpoint_info quirk_data_1 = { .out_ep = 0x06, @@ -152,28 +152,28 @@ static int usX2Y_create_usbmidi(struct snd_card *card) .type = QUIRK_MIDI_FIXED_ENDPOINT, .data = &quirk_data_2 }; - struct usb_device *dev = usX2Y(card)->dev; + struct usb_device *dev = usx2y(card)->dev; struct usb_interface *iface = usb_ifnum_to_if(dev, 0); const struct snd_usb_audio_quirk *quirk = le16_to_cpu(dev->descriptor.idProduct) == USB_ID_US428 ? &quirk_2 : &quirk_1;

- snd_printdd("usX2Y_create_usbmidi \n"); - return snd_usbmidi_create(card, iface, &usX2Y(card)->midi_list, quirk); + snd_printdd("usx2y_create_usbmidi \n"); + return snd_usbmidi_create(card, iface, &usx2y(card)->midi_list, quirk); }

-static int usX2Y_create_alsa_devices(struct snd_card *card) +static int usx2y_create_alsa_devices(struct snd_card *card) { int err;

do { - if ((err = usX2Y_create_usbmidi(card)) < 0) { - snd_printk(KERN_ERR "usX2Y_create_alsa_devices: usX2Y_create_usbmidi error %i \n", err); + if ((err = usx2y_create_usbmidi(card)) < 0) { + snd_printk(KERN_ERR "usx2y_create_alsa_devices: usx2y_create_usbmidi error %i \n", err); break; } - if ((err = usX2Y_audio_create(card)) < 0) + if ((err = usx2y_audio_create(card)) < 0) break; - if ((err = usX2Y_hwdep_pcm_new(card)) < 0) + if ((err = usx2y_hwdep_pcm_new(card)) < 0) break; if ((err = snd_card_register(card)) < 0) break; @@ -182,10 +182,10 @@ static int usX2Y_create_alsa_devices(struct snd_card *card) return err; }

-static int snd_usX2Y_hwdep_dsp_load(struct snd_hwdep *hw, +static int snd_usx2y_hwdep_dsp_load(struct snd_hwdep *hw, struct snd_hwdep_dsp_image *dsp) { - struct usX2Ydev *priv = hw->private_data; + struct usx2ydev *priv = hw->private_data; struct usb_device* dev = priv->dev; int lret, err; char *buf; @@ -206,19 +206,19 @@ static int snd_usX2Y_hwdep_dsp_load(struct snd_hwdep *hw, return err; if (dsp->index == 1) { msleep(250); // give the device some time - err = usX2Y_AsyncSeq04_init(priv); + err = usx2y_async_seq04_init(priv); if (err) { - snd_printk(KERN_ERR "usX2Y_AsyncSeq04_init error \n"); + snd_printk(KERN_ERR "usx2y_async_seq04_init error \n"); return err; } - err = usX2Y_In04_init(priv); + err = usx2y_in04_init(priv); if (err) { - snd_printk(KERN_ERR "usX2Y_In04_init error \n"); + snd_printk(KERN_ERR "usx2y_in04_init error \n"); return err; } - err = usX2Y_create_alsa_devices(hw->card); + err = usx2y_create_alsa_devices(hw->card); if (err) { - snd_printk(KERN_ERR "usX2Y_create_alsa_devices error %i \n", err); + snd_printk(KERN_ERR "usx2y_create_alsa_devices error %i \n", err); snd_card_free(hw->card); return err; } @@ -229,7 +229,7 @@ static int snd_usX2Y_hwdep_dsp_load(struct snd_hwdep *hw, }

-int usX2Y_hwdep_new(struct snd_card *card, struct usb_device* device) +int usx2y_hwdep_new(struct snd_card *card, struct usb_device* device) { int err; struct snd_hwdep *hw; @@ -238,9 +238,9 @@ int usX2Y_hwdep_new(struct snd_card *card, struct usb_device* device) return err;

hw->iface = SNDRV_HWDEP_IFACE_USX2Y; - hw->private_data = usX2Y(card); - hw->ops.dsp_status = snd_usX2Y_hwdep_dsp_status; - hw->ops.dsp_load = snd_usX2Y_hwdep_dsp_load; + hw->private_data = usx2y(card); + hw->ops.dsp_status = snd_usx2y_hwdep_dsp_status; + hw->ops.dsp_load = snd_usx2y_hwdep_dsp_load; hw->ops.mmap = snd_us428ctls_mmap; hw->ops.poll = snd_us428ctls_poll; hw->exclusive = 1; diff --git a/sound/usb/usx2y/usX2Yhwdep.h b/sound/usb/usx2y/usX2Yhwdep.h index 457199b5ed03..34cef625712c 100644 --- a/sound/usb/usx2y/usX2Yhwdep.h +++ b/sound/usb/usx2y/usX2Yhwdep.h @@ -2,6 +2,6 @@ #ifndef USX2YHWDEP_H #define USX2YHWDEP_H

-int usX2Y_hwdep_new(struct snd_card *card, struct usb_device* device); +int usx2y_hwdep_new(struct snd_card *card, struct usb_device* device);

#endif diff --git a/sound/usb/usx2y/usbus428ctldefs.h b/sound/usb/usx2y/usbus428ctldefs.h index 5a7518ea3aeb..7366a940ffbb 100644 --- a/sound/usb/usx2y/usbus428ctldefs.h +++ b/sound/usb/usx2y/usbus428ctldefs.h @@ -4,28 +4,28 @@ * Copyright (c) 2003 by Karsten Wiese annabellesgarden@yahoo.de */

-enum E_In84{ - eFader0 = 0, - eFader1, - eFader2, - eFader3, - eFader4, - eFader5, - eFader6, - eFader7, - eFaderM, - eTransport, - eModifier = 10, - eFilterSelect, - eSelect, - eMute, +enum E_IN84 { + E_FADER_0 = 0, + E_FADER_1, + E_FADER_2, + E_FADER_3, + E_FADER_4, + E_FADER_5, + E_FADER_6, + E_FADER_7, + E_FADER_M, + E_TRANSPORT, + E_MODIFIER = 10, + E_FILTER_SELECT, + E_SELECT, + E_MUTE,

- eSwitch = 15, - eWheelGain, - eWheelFreq, - eWheelQ, - eWheelPan, - eWheel = 20 + E_SWITCH = 15, + E_WHEEL_GAIN, + E_WHEEL_FREQ, + E_WHEEL_Q, + E_WHEEL_PAN, + E_WHEEL = 20 };

#define T_RECORD 1 @@ -39,53 +39,53 @@ enum E_In84{

struct us428_ctls { - unsigned char Fader[9]; - unsigned char Transport; - unsigned char Modifier; - unsigned char FilterSelect; - unsigned char Select; - unsigned char Mute; - unsigned char UNKNOWN; - unsigned char Switch; - unsigned char Wheel[5]; + unsigned char fader[9]; + unsigned char transport; + unsigned char modifier; + unsigned char filters_elect; + unsigned char select; + unsigned char mute; + unsigned char unknown; + unsigned char wswitch; + unsigned char wheel[5]; };

-struct us428_setByte { - unsigned char Offset, - Value; +struct us428_set_byte { + unsigned char offset, + value; };

enum { - eLT_Volume = 0, - eLT_Light + ELT_VOLUME = 0, + ELT_LIGHT };

-struct usX2Y_volume { - unsigned char Channel, - LH, - LL, - RH, - RL; +struct usx2y_volume { + unsigned char channel, + lh, + ll, + rh, + rl; };

struct us428_lights { - struct us428_setByte Light[7]; + struct us428_set_byte light[7]; };

struct us428_p4out { char type; union { - struct usX2Y_volume vol; + struct usx2y_volume vol; struct us428_lights lights; } val; };

-#define N_us428_ctl_BUFS 16 -#define N_us428_p4out_BUFS 16 -struct us428ctls_sharedmem{ - struct us428_ctls CtlSnapShot[N_us428_ctl_BUFS]; - int CtlSnapShotDiffersAt[N_us428_ctl_BUFS]; - int CtlSnapShotLast, CtlSnapShotRed; - struct us428_p4out p4out[N_us428_p4out_BUFS]; - int p4outLast, p4outSent; +#define N_US428_CTL_BUFS 16 +#define N_US428_P4OUT_BUFS 16 +struct us428ctls_sharedmem { + struct us428_ctls ctl_snapshot[N_US428_CTL_BUFS]; + int ctl_snapshot_differs_at[N_US428_CTL_BUFS]; + int ctl_snapshot_last, ctl_snapshot_red; + struct us428_p4out p4out[N_US428_P4OUT_BUFS]; + int p4out_last, p4out_sent; }; diff --git a/sound/usb/usx2y/usbusx2y.c b/sound/usb/usx2y/usbusx2y.c index 3cd28d24f0a7..cdbb27a96e04 100644 --- a/sound/usb/usx2y/usbusx2y.c +++ b/sound/usb/usx2y/usbusx2y.c @@ -17,7 +17,7 @@

2004-10-26 Karsten Wiese Version 0.8.6: - wake_up() process waiting in usX2Y_urbs_start() on error. + wake_up() process waiting in usx2y_urbs_start() on error.

2004-10-21 Karsten Wiese Version 0.8.5: @@ -48,7 +48,7 @@ 2004-06-12 Karsten Wiese Version 0.6.3: Made it thus the following rule is enforced: - "All pcm substreams of one usX2Y have to operate at the same rate & format." + "All pcm substreams of one usx2y have to operate at the same rate & format."

2004-04-06 Karsten Wiese Version 0.6.0: @@ -150,161 +150,161 @@ module_param_array(enable, bool, NULL, 0444); MODULE_PARM_DESC(enable, "Enable "NAME_ALLCAPS".");

-static int snd_usX2Y_card_used[SNDRV_CARDS]; +static int snd_usx2y_card_used[SNDRV_CARDS];

-static void usX2Y_usb_disconnect(struct usb_device* usb_device, void* ptr); -static void snd_usX2Y_card_private_free(struct snd_card *card); +static void usx2y_usb_disconnect(struct usb_device* usb_device, void* ptr); +static void snd_usx2y_card_private_free(struct snd_card *card);

/* * pipe 4 is used for switching the lamps, setting samplerate, volumes .... */ -static void i_usX2Y_Out04Int(struct urb *urb) +static void i_usx2y_out04_int(struct urb *urb) { #ifdef CONFIG_SND_DEBUG if (urb->status) { int i; - struct usX2Ydev *usX2Y = urb->context; - for (i = 0; i < 10 && usX2Y->AS04.urb[i] != urb; i++); - snd_printdd("i_usX2Y_Out04Int() urb %i status=%i\n", i, urb->status); + struct usx2ydev *usx2y = urb->context; + for (i = 0; i < 10 && usx2y->as04.urb[i] != urb; i++); + snd_printdd("i_usx2y_out04_int() urb %i status=%i\n", i, urb->status); } #endif }

-static void i_usX2Y_In04Int(struct urb *urb) +static void i_usx2y_in04_int(struct urb *urb) { int err = 0; - struct usX2Ydev *usX2Y = urb->context; - struct us428ctls_sharedmem *us428ctls = usX2Y->us428ctls_sharedmem; + struct usx2ydev *usx2y = urb->context; + struct us428ctls_sharedmem *us428ctls = usx2y->us428ctls_sharedmem;

- usX2Y->In04IntCalls++; + usx2y->in04_int_calls++;

if (urb->status) { snd_printdd("Interrupt Pipe 4 came back with status=%i\n", urb->status); return; }

- // printk("%i:0x%02X ", 8, (int)((unsigned char*)usX2Y->In04Buf)[8]); Master volume shows 0 here if fader is at max during boot ?!? + // printk("%i:0x%02X ", 8, (int)((unsigned char*)usx2y->in04_buf)[8]); Master volume shows 0 here if fader is at max during boot ?!? if (us428ctls) { int diff = -1; - if (-2 == us428ctls->CtlSnapShotLast) { + if (-2 == us428ctls->ctl_snapshot_last) { diff = 0; - memcpy(usX2Y->In04Last, usX2Y->In04Buf, sizeof(usX2Y->In04Last)); - us428ctls->CtlSnapShotLast = -1; + memcpy(usx2y->in04_last, usx2y->in04_buf, sizeof(usx2y->in04_last)); + us428ctls->ctl_snapshot_last = -1; } else { int i; for (i = 0; i < 21; i++) { - if (usX2Y->In04Last[i] != ((char*)usX2Y->In04Buf)[i]) { + if (usx2y->in04_last[i] != ((char*)usx2y->in04_buf)[i]) { if (diff < 0) diff = i; - usX2Y->In04Last[i] = ((char*)usX2Y->In04Buf)[i]; + usx2y->in04_last[i] = ((char*)usx2y->in04_buf)[i]; } } } if (0 <= diff) { - int n = us428ctls->CtlSnapShotLast + 1; - if (n >= N_us428_ctl_BUFS || n < 0) + int n = us428ctls->ctl_snapshot_last + 1; + if (n >= N_US428_CTL_BUFS || n < 0) n = 0; - memcpy(us428ctls->CtlSnapShot + n, usX2Y->In04Buf, sizeof(us428ctls->CtlSnapShot[0])); - us428ctls->CtlSnapShotDiffersAt[n] = diff; - us428ctls->CtlSnapShotLast = n; - wake_up(&usX2Y->us428ctls_wait_queue_head); + memcpy(us428ctls->ctl_snapshot + n, usx2y->in04_buf, sizeof(us428ctls->ctl_snapshot[0])); + us428ctls->ctl_snapshot_differs_at[n] = diff; + us428ctls->ctl_snapshot_last = n; + wake_up(&usx2y->us428ctls_wait_queue_head); } } - if (usX2Y->US04) { - if (0 == usX2Y->US04->submitted) + if (usx2y->us04) { + if (0 == usx2y->us04->submitted) do { - err = usb_submit_urb(usX2Y->US04->urb[usX2Y->US04->submitted++], GFP_ATOMIC); - } while (!err && usX2Y->US04->submitted < usX2Y->US04->len); + err = usb_submit_urb(usx2y->us04->urb[usx2y->us04->submitted++], GFP_ATOMIC); + } while (!err && usx2y->us04->submitted < usx2y->us04->len); } else - if (us428ctls && us428ctls->p4outLast >= 0 && us428ctls->p4outLast < N_us428_p4out_BUFS) { - if (us428ctls->p4outLast != us428ctls->p4outSent) { - int j, send = us428ctls->p4outSent + 1; - if (send >= N_us428_p4out_BUFS) + if (us428ctls && us428ctls->p4out_last >= 0 && us428ctls->p4out_last < N_US428_P4OUT_BUFS) { + if (us428ctls->p4out_last != us428ctls->p4out_sent) { + int j, send = us428ctls->p4out_sent + 1; + if (send >= N_US428_P4OUT_BUFS) send = 0; - for (j = 0; j < URBS_AsyncSeq && !err; ++j) - if (0 == usX2Y->AS04.urb[j]->status) { + for (j = 0; j < URBS_ASYNC_SEQ && !err; ++j) + if (0 == usx2y->as04.urb[j]->status) { struct us428_p4out *p4out = us428ctls->p4out + send; // FIXME if more than 1 p4out is new, 1 gets lost. - usb_fill_bulk_urb(usX2Y->AS04.urb[j], usX2Y->dev, - usb_sndbulkpipe(usX2Y->dev, 0x04), &p4out->val.vol, - p4out->type == eLT_Light ? sizeof(struct us428_lights) : 5, - i_usX2Y_Out04Int, usX2Y); - err = usb_submit_urb(usX2Y->AS04.urb[j], GFP_ATOMIC); - us428ctls->p4outSent = send; + usb_fill_bulk_urb(usx2y->as04.urb[j], usx2y->dev, + usb_sndbulkpipe(usx2y->dev, 0x04), &p4out->val.vol, + p4out->type == ELT_LIGHT ? sizeof(struct us428_lights) : 5, + i_usx2y_out04_int, usx2y); + err = usb_submit_urb(usx2y->as04.urb[j], GFP_ATOMIC); + us428ctls->p4out_sent = send; break; } } }

if (err) - snd_printk(KERN_ERR "In04Int() usb_submit_urb err=%i\n", err); + snd_printk(KERN_ERR "in04_int() usb_submit_urb err=%i\n", err);

- urb->dev = usX2Y->dev; + urb->dev = usx2y->dev; usb_submit_urb(urb, GFP_ATOMIC); }

/* * Prepare some urbs */ -int usX2Y_AsyncSeq04_init(struct usX2Ydev *usX2Y) +int usx2y_async_seq04_init(struct usx2ydev *usx2y) { int err = 0, i;

- usX2Y->AS04.buffer = kmalloc_array(URBS_AsyncSeq, - URB_DataLen_AsyncSeq, GFP_KERNEL); - if (NULL == usX2Y->AS04.buffer) { + usx2y->as04.buffer = kmalloc_array(URBS_ASYNC_SEQ, + URB_DATA_LEN_ASYNC_SEQ, GFP_KERNEL); + if (NULL == usx2y->as04.buffer) { err = -ENOMEM; } else - for (i = 0; i < URBS_AsyncSeq; ++i) { - if (NULL == (usX2Y->AS04.urb[i] = usb_alloc_urb(0, GFP_KERNEL))) { + for (i = 0; i < URBS_ASYNC_SEQ; ++i) { + if (NULL == (usx2y->as04.urb[i] = usb_alloc_urb(0, GFP_KERNEL))) { err = -ENOMEM; break; } - usb_fill_bulk_urb( usX2Y->AS04.urb[i], usX2Y->dev, - usb_sndbulkpipe(usX2Y->dev, 0x04), - usX2Y->AS04.buffer + URB_DataLen_AsyncSeq*i, 0, - i_usX2Y_Out04Int, usX2Y + usb_fill_bulk_urb( usx2y->as04.urb[i], usx2y->dev, + usb_sndbulkpipe(usx2y->dev, 0x04), + usx2y->as04.buffer + URB_DATA_LEN_ASYNC_SEQ*i, 0, + i_usx2y_out04_int, usx2y ); - err = usb_urb_ep_type_check(usX2Y->AS04.urb[i]); + err = usb_urb_ep_type_check(usx2y->as04.urb[i]); if (err < 0) break; } return err; }

-int usX2Y_In04_init(struct usX2Ydev *usX2Y) +int usx2y_in04_init(struct usx2ydev *usx2y) { - if (! (usX2Y->In04urb = usb_alloc_urb(0, GFP_KERNEL))) + if (! (usx2y->in04_urb = usb_alloc_urb(0, GFP_KERNEL))) return -ENOMEM;

- if (! (usX2Y->In04Buf = kmalloc(21, GFP_KERNEL))) + if (! (usx2y->in04_buf = kmalloc(21, GFP_KERNEL))) return -ENOMEM; - init_waitqueue_head(&usX2Y->In04WaitQueue); - usb_fill_int_urb(usX2Y->In04urb, usX2Y->dev, usb_rcvintpipe(usX2Y->dev, 0x4), - usX2Y->In04Buf, 21, - i_usX2Y_In04Int, usX2Y, + init_waitqueue_head(&usx2y->in04_wait_queue); + usb_fill_int_urb(usx2y->in04_urb, usx2y->dev, usb_rcvintpipe(usx2y->dev, 0x4), + usx2y->in04_buf, 21, + i_usx2y_in04_int, usx2y, 10); - if (usb_urb_ep_type_check(usX2Y->In04urb)) + if (usb_urb_ep_type_check(usx2y->in04_urb)) return -EINVAL; - return usb_submit_urb(usX2Y->In04urb, GFP_KERNEL); + return usb_submit_urb(usx2y->in04_urb, GFP_KERNEL); }

-static void usX2Y_unlinkSeq(struct snd_usX2Y_AsyncSeq *S) +static void usx2y_unlinkseq(struct snd_usx2y_async_seq *s) { int i; - for (i = 0; i < URBS_AsyncSeq; ++i) { - usb_kill_urb(S->urb[i]); - usb_free_urb(S->urb[i]); - S->urb[i] = NULL; + for (i = 0; i < URBS_ASYNC_SEQ; ++i) { + usb_kill_urb(s->urb[i]); + usb_free_urb(s->urb[i]); + s->urb[i] = NULL; } - kfree(S->buffer); + kfree(s->buffer); }

-static const struct usb_device_id snd_usX2Y_usb_id_table[] = { +static const struct usb_device_id snd_usx2y_usb_id_table[] = { { .match_flags = USB_DEVICE_ID_MATCH_DEVICE, .idVendor = 0x1604, @@ -323,7 +323,7 @@ static const struct usb_device_id snd_usX2Y_usb_id_table[] = { { /* terminator */ } };

-static int usX2Y_create_card(struct usb_device *device, +static int usx2y_create_card(struct usb_device *device, struct usb_interface *intf, struct snd_card **cardp) { @@ -332,20 +332,20 @@ static int usX2Y_create_card(struct usb_device *device, int err;

for (dev = 0; dev < SNDRV_CARDS; ++dev) - if (enable[dev] && !snd_usX2Y_card_used[dev]) + if (enable[dev] && !snd_usx2y_card_used[dev]) break; if (dev >= SNDRV_CARDS) return -ENODEV; err = snd_card_new(&intf->dev, index[dev], id[dev], THIS_MODULE, - sizeof(struct usX2Ydev), &card); + sizeof(struct usx2ydev), &card); if (err < 0) return err; - snd_usX2Y_card_used[usX2Y(card)->card_index = dev] = 1; - card->private_free = snd_usX2Y_card_private_free; - usX2Y(card)->dev = device; - init_waitqueue_head(&usX2Y(card)->prepare_wait_queue); - mutex_init(&usX2Y(card)->pcm_mutex); - INIT_LIST_HEAD(&usX2Y(card)->midi_list); + snd_usx2y_card_used[usx2y(card)->card_index = dev] = 1; + card->private_free = snd_usx2y_card_private_free; + usx2y(card)->dev = device; + init_waitqueue_head(&usx2y(card)->prepare_wait_queue); + mutex_init(&usx2y(card)->pcm_mutex); + INIT_LIST_HEAD(&usx2y(card)->midi_list); strcpy(card->driver, "USB "NAME_ALLCAPS""); sprintf(card->shortname, "TASCAM "NAME_ALLCAPS""); sprintf(card->longname, "%s (%x:%x if %d at %03d/%03d)", @@ -353,14 +353,14 @@ static int usX2Y_create_card(struct usb_device *device, le16_to_cpu(device->descriptor.idVendor), le16_to_cpu(device->descriptor.idProduct), 0,//us428(card)->usbmidi.ifnum, - usX2Y(card)->dev->bus->busnum, usX2Y(card)->dev->devnum + usx2y(card)->dev->bus->busnum, usx2y(card)->dev->devnum ); *cardp = card; return 0; }

-static int usX2Y_usb_probe(struct usb_device *device, +static int usx2y_usb_probe(struct usb_device *device, struct usb_interface *intf, const struct usb_device_id *device_id, struct snd_card **cardp) @@ -375,10 +375,10 @@ static int usX2Y_usb_probe(struct usb_device *device, le16_to_cpu(device->descriptor.idProduct) != USB_ID_US428)) return -EINVAL;

- err = usX2Y_create_card(device, intf, &card); + err = usx2y_create_card(device, intf, &card); if (err < 0) return err; - if ((err = usX2Y_hwdep_new(card, device)) < 0 || + if ((err = usx2y_hwdep_new(card, device)) < 0 || (err = snd_card_register(card)) < 0) { snd_card_free(card); return err; @@ -390,64 +390,64 @@ static int usX2Y_usb_probe(struct usb_device *device, /* * new 2.5 USB kernel API */ -static int snd_usX2Y_probe(struct usb_interface *intf, const struct usb_device_id *id) +static int snd_usx2y_probe(struct usb_interface *intf, const struct usb_device_id *id) { struct snd_card *card; int err;

- err = usX2Y_usb_probe(interface_to_usbdev(intf), intf, id, &card); + err = usx2y_usb_probe(interface_to_usbdev(intf), intf, id, &card); if (err < 0) return err; dev_set_drvdata(&intf->dev, card); return 0; }

-static void snd_usX2Y_disconnect(struct usb_interface *intf) +static void snd_usx2y_disconnect(struct usb_interface *intf) { - usX2Y_usb_disconnect(interface_to_usbdev(intf), + usx2y_usb_disconnect(interface_to_usbdev(intf), usb_get_intfdata(intf)); }

-MODULE_DEVICE_TABLE(usb, snd_usX2Y_usb_id_table); -static struct usb_driver snd_usX2Y_usb_driver = { +MODULE_DEVICE_TABLE(usb, snd_usx2y_usb_id_table); +static struct usb_driver snd_usx2y_usb_driver = { .name = "snd-usb-usx2y", - .probe = snd_usX2Y_probe, - .disconnect = snd_usX2Y_disconnect, - .id_table = snd_usX2Y_usb_id_table, + .probe = snd_usx2y_probe, + .disconnect = snd_usx2y_disconnect, + .id_table = snd_usx2y_usb_id_table, };

-static void snd_usX2Y_card_private_free(struct snd_card *card) +static void snd_usx2y_card_private_free(struct snd_card *card) { - kfree(usX2Y(card)->In04Buf); - usb_free_urb(usX2Y(card)->In04urb); - if (usX2Y(card)->us428ctls_sharedmem) - free_pages_exact(usX2Y(card)->us428ctls_sharedmem, - sizeof(*usX2Y(card)->us428ctls_sharedmem)); - if (usX2Y(card)->card_index >= 0 && usX2Y(card)->card_index < SNDRV_CARDS) - snd_usX2Y_card_used[usX2Y(card)->card_index] = 0; + kfree(usx2y(card)->in04_buf); + usb_free_urb(usx2y(card)->in04_urb); + if (usx2y(card)->us428ctls_sharedmem) + free_pages_exact(usx2y(card)->us428ctls_sharedmem, + sizeof(*usx2y(card)->us428ctls_sharedmem)); + if (usx2y(card)->card_index >= 0 && usx2y(card)->card_index < SNDRV_CARDS) + snd_usx2y_card_used[usx2y(card)->card_index] = 0; }

/* * Frees the device. */ -static void usX2Y_usb_disconnect(struct usb_device *device, void* ptr) +static void usx2y_usb_disconnect(struct usb_device *device, void* ptr) { if (ptr) { struct snd_card *card = ptr; - struct usX2Ydev *usX2Y = usX2Y(card); + struct usx2ydev *usx2y = usx2y(card); struct list_head *p; - usX2Y->chip_status = USX2Y_STAT_CHIP_HUP; - usX2Y_unlinkSeq(&usX2Y->AS04); - usb_kill_urb(usX2Y->In04urb); + usx2y->chip_status = USX2Y_STAT_CHIP_HUP; + usx2y_unlinkseq(&usx2y->as04); + usb_kill_urb(usx2y->in04_urb); snd_card_disconnect(card); /* release the midi resources */ - list_for_each(p, &usX2Y->midi_list) { + list_for_each(p, &usx2y->midi_list) { snd_usbmidi_disconnect(p); } - if (usX2Y->us428ctls_sharedmem) - wake_up(&usX2Y->us428ctls_wait_queue_head); + if (usx2y->us428ctls_sharedmem) + wake_up(&usx2y->us428ctls_wait_queue_head); snd_card_free(card); } }

-module_usb_driver(snd_usX2Y_usb_driver); +module_usb_driver(snd_usx2y_usb_driver); diff --git a/sound/usb/usx2y/usbusx2y.h b/sound/usb/usx2y/usbusx2y.h index 144b85f57bd2..c330af628bcc 100644 --- a/sound/usb/usx2y/usbusx2y.h +++ b/sound/usb/usx2y/usbusx2y.h @@ -8,14 +8,14 @@ #define NRURBS 2

-#define URBS_AsyncSeq 10 -#define URB_DataLen_AsyncSeq 32 -struct snd_usX2Y_AsyncSeq { - struct urb *urb[URBS_AsyncSeq]; +#define URBS_ASYNC_SEQ 10 +#define URB_DATA_LEN_ASYNC_SEQ 32 +struct snd_usx2y_async_seq { + struct urb *urb[URBS_ASYNC_SEQ]; char *buffer; };

-struct snd_usX2Y_urbSeq { +struct snd_usx2y_urb_seq { int submitted; int len; struct urb *urb[]; @@ -23,17 +23,17 @@ struct snd_usX2Y_urbSeq {

#include "usx2yhwdeppcm.h"

-struct usX2Ydev { +struct usx2ydev { struct usb_device *dev; int card_index; int stride; - struct urb *In04urb; - void *In04Buf; - char In04Last[24]; - unsigned In04IntCalls; - struct snd_usX2Y_urbSeq *US04; - wait_queue_head_t In04WaitQueue; - struct snd_usX2Y_AsyncSeq AS04; + struct urb *in04_urb; + void *in04_buf; + char in04_last[24]; + unsigned in04_int_calls; + struct snd_usx2y_urb_seq *us04; + wait_queue_head_t in04_wait_queue; + struct snd_usx2y_async_seq as04; unsigned int rate, format; int chip_status; @@ -41,9 +41,9 @@ struct usX2Ydev { struct us428ctls_sharedmem *us428ctls_sharedmem; int wait_iso_frame; wait_queue_head_t us428ctls_wait_queue_head; - struct snd_usX2Y_hwdep_pcm_shm *hwdep_pcm_shm; - struct snd_usX2Y_substream *subs[4]; - struct snd_usX2Y_substream * volatile prepare_subs; + struct snd_usx2y_hwdep_pcm_shm *hwdep_pcm_shm; + struct snd_usx2y_substream *subs[4]; + struct snd_usx2y_substream * volatile prepare_subs; wait_queue_head_t prepare_wait_queue; struct list_head midi_list; struct list_head pcm_list; @@ -51,21 +51,21 @@ struct usX2Ydev { };

-struct snd_usX2Y_substream { - struct usX2Ydev *usX2Y; +struct snd_usx2y_substream { + struct usx2ydev *usx2y; struct snd_pcm_substream *pcm_substream;

int endpoint; unsigned int maxpacksize; /* max packet size in bytes */

atomic_t state; -#define state_STOPPED 0 -#define state_STARTING1 1 -#define state_STARTING2 2 -#define state_STARTING3 3 -#define state_PREPARED 4 -#define state_PRERUNNING 6 -#define state_RUNNING 8 +#define STATE_STOPPED 0 +#define STATE_STARTING1 1 +#define STATE_STARTING2 2 +#define STATE_STARTING3 3 +#define STATE_PREPARED 4 +#define STATE_PRERUNNING 6 +#define STATE_RUNNING 8

int hwptr; /* free frame position in the buffer (only for playback) */ int hwptr_done; /* processed frame position in the buffer */ @@ -77,12 +77,12 @@ struct snd_usX2Y_substream { };

-#define usX2Y(c) ((struct usX2Ydev *)(c)->private_data) +#define usx2y(c) ((struct usx2ydev *)(c)->private_data)

-int usX2Y_audio_create(struct snd_card *card); +int usx2y_audio_create(struct snd_card *card);

-int usX2Y_AsyncSeq04_init(struct usX2Ydev *usX2Y); -int usX2Y_In04_init(struct usX2Ydev *usX2Y); +int usx2y_async_seq04_init(struct usx2ydev *usx2y); +int usx2y_in04_init(struct usx2ydev *usx2y);

#define NAME_ALLCAPS "US-X2Y"

diff --git a/sound/usb/usx2y/usbusx2yaudio.c b/sound/usb/usx2y/usbusx2yaudio.c index ecaf41265dcd..8033bb7255d5 100644 --- a/sound/usb/usx2y/usbusx2yaudio.c +++ b/sound/usb/usx2y/usbusx2yaudio.c @@ -54,13 +54,13 @@ #endif

-static int usX2Y_urb_capt_retire(struct snd_usX2Y_substream *subs) +static int usx2y_urb_capt_retire(struct snd_usx2y_substream *subs) { struct urb *urb = subs->completed_urb; struct snd_pcm_runtime *runtime = subs->pcm_substream->runtime; unsigned char *cp; int i, len, lens = 0, hwptr_done = subs->hwptr_done; - struct usX2Ydev *usX2Y = subs->usX2Y; + struct usx2ydev *usx2y = subs->usx2y;

for (i = 0; i < nr_of_packs(); i++) { cp = (unsigned char*)urb->transfer_buffer + urb->iso_frame_desc[i].offset; @@ -70,7 +70,7 @@ static int usX2Y_urb_capt_retire(struct snd_usX2Y_substream *subs) urb->iso_frame_desc[i].status); return urb->iso_frame_desc[i].status; } - len = urb->iso_frame_desc[i].actual_length / usX2Y->stride; + len = urb->iso_frame_desc[i].actual_length / usx2y->stride; if (! len) { snd_printd("0 == len ERROR!\n"); continue; @@ -79,12 +79,12 @@ static int usX2Y_urb_capt_retire(struct snd_usX2Y_substream *subs) /* copy a data chunk */ if ((hwptr_done + len) > runtime->buffer_size) { int cnt = runtime->buffer_size - hwptr_done; - int blen = cnt * usX2Y->stride; - memcpy(runtime->dma_area + hwptr_done * usX2Y->stride, cp, blen); - memcpy(runtime->dma_area, cp + blen, len * usX2Y->stride - blen); + int blen = cnt * usx2y->stride; + memcpy(runtime->dma_area + hwptr_done * usx2y->stride, cp, blen); + memcpy(runtime->dma_area, cp + blen, len * usx2y->stride - blen); } else { - memcpy(runtime->dma_area + hwptr_done * usX2Y->stride, cp, - len * usX2Y->stride); + memcpy(runtime->dma_area + hwptr_done * usx2y->stride, cp, + len * usx2y->stride); } lens += len; if ((hwptr_done += len) >= runtime->buffer_size) @@ -110,18 +110,18 @@ static int usX2Y_urb_capt_retire(struct snd_usX2Y_substream *subs) * it directly from the buffer. thus the data is once copied to * a temporary buffer and urb points to that. */ -static int usX2Y_urb_play_prepare(struct snd_usX2Y_substream *subs, +static int usx2y_urb_play_prepare(struct snd_usx2y_substream *subs, struct urb *cap_urb, struct urb *urb) { int count, counts, pack; - struct usX2Ydev *usX2Y = subs->usX2Y; + struct usx2ydev *usx2y = subs->usx2y; struct snd_pcm_runtime *runtime = subs->pcm_substream->runtime;

count = 0; for (pack = 0; pack < nr_of_packs(); pack++) { /* calculate the size of a packet */ - counts = cap_urb->iso_frame_desc[pack].actual_length / usX2Y->stride; + counts = cap_urb->iso_frame_desc[pack].actual_length / usx2y->stride; count += counts; if (counts < 43 || counts > 50) { snd_printk(KERN_ERR "should not be here with counts=%i\n", counts); @@ -134,7 +134,7 @@ static int usX2Y_urb_play_prepare(struct snd_usX2Y_substream *subs, 0; urb->iso_frame_desc[pack].length = cap_urb->iso_frame_desc[pack].actual_length; } - if (atomic_read(&subs->state) >= state_PRERUNNING) + if (atomic_read(&subs->state) >= STATE_PRERUNNING) if (subs->hwptr + count > runtime->buffer_size) { /* err, the transferred area goes over buffer boundary. * copy the data to the temp buffer. @@ -143,20 +143,20 @@ static int usX2Y_urb_play_prepare(struct snd_usX2Y_substream *subs, len = runtime->buffer_size - subs->hwptr; urb->transfer_buffer = subs->tmpbuf; memcpy(subs->tmpbuf, runtime->dma_area + - subs->hwptr * usX2Y->stride, len * usX2Y->stride); - memcpy(subs->tmpbuf + len * usX2Y->stride, - runtime->dma_area, (count - len) * usX2Y->stride); + subs->hwptr * usx2y->stride, len * usx2y->stride); + memcpy(subs->tmpbuf + len * usx2y->stride, + runtime->dma_area, (count - len) * usx2y->stride); subs->hwptr += count; subs->hwptr -= runtime->buffer_size; } else { /* set the buffer pointer */ - urb->transfer_buffer = runtime->dma_area + subs->hwptr * usX2Y->stride; + urb->transfer_buffer = runtime->dma_area + subs->hwptr * usx2y->stride; if ((subs->hwptr += count) >= runtime->buffer_size) subs->hwptr -= runtime->buffer_size; } else urb->transfer_buffer = subs->tmpbuf; - urb->transfer_buffer_length = count * usX2Y->stride; + urb->transfer_buffer_length = count * usx2y->stride; return 0; }

@@ -165,10 +165,10 @@ static int usX2Y_urb_play_prepare(struct snd_usX2Y_substream *subs, * * update the current position and call callback if a period is processed. */ -static void usX2Y_urb_play_retire(struct snd_usX2Y_substream *subs, struct urb *urb) +static void usx2y_urb_play_retire(struct snd_usx2y_substream *subs, struct urb *urb) { struct snd_pcm_runtime *runtime = subs->pcm_substream->runtime; - int len = urb->actual_length / subs->usX2Y->stride; + int len = urb->actual_length / subs->usx2y->stride;

subs->transfer_done += len; subs->hwptr_done += len; @@ -180,14 +180,14 @@ static void usX2Y_urb_play_retire(struct snd_usX2Y_substream *subs, struct urb * } }

-static int usX2Y_urb_submit(struct snd_usX2Y_substream *subs, struct urb *urb, int frame) +static int usx2y_urb_submit(struct snd_usx2y_substream *subs, struct urb *urb, int frame) { int err; if (!urb) return -ENODEV; urb->start_frame = (frame + NRURBS * nr_of_packs()); // let hcd do rollover sanity checks urb->hcpriv = NULL; - urb->dev = subs->usX2Y->dev; /* we need to set this at each time */ + urb->dev = subs->usx2y->dev; /* we need to set this at each time */ if ((err = usb_submit_urb(urb, GFP_ATOMIC)) < 0) { snd_printk(KERN_ERR "usb_submit_urb() returned %i\n", err); return err; @@ -195,8 +195,8 @@ static int usX2Y_urb_submit(struct snd_usX2Y_substream *subs, struct urb *urb, i return 0; }

-static inline int usX2Y_usbframe_complete(struct snd_usX2Y_substream *capsubs, - struct snd_usX2Y_substream *playbacksubs, +static inline int usx2y_usbframe_complete(struct snd_usx2y_substream *capsubs, + struct snd_usx2y_substream *playbacksubs, int frame) { int err, state; @@ -204,25 +204,25 @@ static inline int usX2Y_usbframe_complete(struct snd_usX2Y_substream *capsubs,

state = atomic_read(&playbacksubs->state); if (NULL != urb) { - if (state == state_RUNNING) - usX2Y_urb_play_retire(playbacksubs, urb); - else if (state >= state_PRERUNNING) + if (state == STATE_RUNNING) + usx2y_urb_play_retire(playbacksubs, urb); + else if (state >= STATE_PRERUNNING) atomic_inc(&playbacksubs->state); } else { switch (state) { - case state_STARTING1: + case STATE_STARTING1: urb = playbacksubs->urb[0]; atomic_inc(&playbacksubs->state); break; - case state_STARTING2: + case STATE_STARTING2: urb = playbacksubs->urb[1]; atomic_inc(&playbacksubs->state); break; } } if (urb) { - if ((err = usX2Y_urb_play_prepare(playbacksubs, capsubs->completed_urb, urb)) || - (err = usX2Y_urb_submit(playbacksubs, urb, frame))) { + if ((err = usx2y_urb_play_prepare(playbacksubs, capsubs->completed_urb, urb)) || + (err = usx2y_urb_submit(playbacksubs, urb, frame))) { return err; } } @@ -230,13 +230,13 @@ static inline int usX2Y_usbframe_complete(struct snd_usX2Y_substream *capsubs, playbacksubs->completed_urb = NULL;

state = atomic_read(&capsubs->state); - if (state >= state_PREPARED) { - if (state == state_RUNNING) { - if ((err = usX2Y_urb_capt_retire(capsubs))) + if (state >= STATE_PREPARED) { + if (state == STATE_RUNNING) { + if ((err = usx2y_urb_capt_retire(capsubs))) return err; - } else if (state >= state_PRERUNNING) + } else if (state >= STATE_PRERUNNING) atomic_inc(&capsubs->state); - if ((err = usX2Y_urb_submit(capsubs, capsubs->completed_urb, frame))) + if ((err = usx2y_urb_submit(capsubs, capsubs->completed_urb, frame))) return err; } capsubs->completed_urb = NULL; @@ -244,21 +244,21 @@ static inline int usX2Y_usbframe_complete(struct snd_usX2Y_substream *capsubs, }

-static void usX2Y_clients_stop(struct usX2Ydev *usX2Y) +static void usx2y_clients_stop(struct usx2ydev *usx2y) { int s, u;

for (s = 0; s < 4; s++) { - struct snd_usX2Y_substream *subs = usX2Y->subs[s]; + struct snd_usx2y_substream *subs = usx2y->subs[s]; if (subs) { snd_printdd("%i %p state=%i\n", s, subs, atomic_read(&subs->state)); - atomic_set(&subs->state, state_STOPPED); + atomic_set(&subs->state, STATE_STOPPED); } } for (s = 0; s < 4; s++) { - struct snd_usX2Y_substream *subs = usX2Y->subs[s]; + struct snd_usx2y_substream *subs = usx2y->subs[s]; if (subs) { - if (atomic_read(&subs->state) >= state_PRERUNNING) + if (atomic_read(&subs->state) >= STATE_PRERUNNING) snd_pcm_stop_xrun(subs->pcm_substream); for (u = 0; u < NRURBS; u++) { struct urb *urb = subs->urb[u]; @@ -268,60 +268,60 @@ static void usX2Y_clients_stop(struct usX2Ydev *usX2Y) } } } - usX2Y->prepare_subs = NULL; - wake_up(&usX2Y->prepare_wait_queue); + usx2y->prepare_subs = NULL; + wake_up(&usx2y->prepare_wait_queue); }

-static void usX2Y_error_urb_status(struct usX2Ydev *usX2Y, - struct snd_usX2Y_substream *subs, struct urb *urb) +static void usx2y_error_urb_status(struct usx2ydev *usx2y, + struct snd_usx2y_substream *subs, struct urb *urb) { snd_printk(KERN_ERR "ep=%i stalled with status=%i\n", subs->endpoint, urb->status); urb->status = 0; - usX2Y_clients_stop(usX2Y); + usx2y_clients_stop(usx2y); }

-static void i_usX2Y_urb_complete(struct urb *urb) +static void i_usx2y_urb_complete(struct urb *urb) { - struct snd_usX2Y_substream *subs = urb->context; - struct usX2Ydev *usX2Y = subs->usX2Y; + struct snd_usx2y_substream *subs = urb->context; + struct usx2ydev *usx2y = subs->usx2y;

- if (unlikely(atomic_read(&subs->state) < state_PREPARED)) { + if (unlikely(atomic_read(&subs->state) < STATE_PREPARED)) { snd_printdd("hcd_frame=%i ep=%i%s status=%i start_frame=%i\n", - usb_get_current_frame_number(usX2Y->dev), + usb_get_current_frame_number(usx2y->dev), subs->endpoint, usb_pipein(urb->pipe) ? "in" : "out", urb->status, urb->start_frame); return; } if (unlikely(urb->status)) { - usX2Y_error_urb_status(usX2Y, subs, urb); + usx2y_error_urb_status(usx2y, subs, urb); return; }

subs->completed_urb = urb;

{ - struct snd_usX2Y_substream *capsubs = usX2Y->subs[SNDRV_PCM_STREAM_CAPTURE], - *playbacksubs = usX2Y->subs[SNDRV_PCM_STREAM_PLAYBACK]; + struct snd_usx2y_substream *capsubs = usx2y->subs[SNDRV_PCM_STREAM_CAPTURE], + *playbacksubs = usx2y->subs[SNDRV_PCM_STREAM_PLAYBACK]; if (capsubs->completed_urb && - atomic_read(&capsubs->state) >= state_PREPARED && + atomic_read(&capsubs->state) >= STATE_PREPARED && (playbacksubs->completed_urb || - atomic_read(&playbacksubs->state) < state_PREPARED)) { - if (!usX2Y_usbframe_complete(capsubs, playbacksubs, urb->start_frame)) - usX2Y->wait_iso_frame += nr_of_packs(); + atomic_read(&playbacksubs->state) < STATE_PREPARED)) { + if (!usx2y_usbframe_complete(capsubs, playbacksubs, urb->start_frame)) + usx2y->wait_iso_frame += nr_of_packs(); else { snd_printdd("\n"); - usX2Y_clients_stop(usX2Y); + usx2y_clients_stop(usx2y); } } } }

-static void usX2Y_urbs_set_complete(struct usX2Ydev * usX2Y, +static void usx2y_urbs_set_complete(struct usx2ydev * usx2y, void (*complete)(struct urb *)) { int s, u; for (s = 0; s < 4; s++) { - struct snd_usX2Y_substream *subs = usX2Y->subs[s]; + struct snd_usx2y_substream *subs = usx2y->subs[s]; if (NULL != subs) for (u = 0; u < NRURBS; u++) { struct urb * urb = subs->urb[u]; @@ -331,30 +331,30 @@ static void usX2Y_urbs_set_complete(struct usX2Ydev * usX2Y, } }

-static void usX2Y_subs_startup_finish(struct usX2Ydev * usX2Y) +static void usx2y_subs_startup_finish(struct usx2ydev * usx2y) { - usX2Y_urbs_set_complete(usX2Y, i_usX2Y_urb_complete); - usX2Y->prepare_subs = NULL; + usx2y_urbs_set_complete(usx2y, i_usx2y_urb_complete); + usx2y->prepare_subs = NULL; }

-static void i_usX2Y_subs_startup(struct urb *urb) +static void i_usx2y_subs_startup(struct urb *urb) { - struct snd_usX2Y_substream *subs = urb->context; - struct usX2Ydev *usX2Y = subs->usX2Y; - struct snd_usX2Y_substream *prepare_subs = usX2Y->prepare_subs; + struct snd_usx2y_substream *subs = urb->context; + struct usx2ydev *usx2y = subs->usx2y; + struct snd_usx2y_substream *prepare_subs = usx2y->prepare_subs; if (NULL != prepare_subs) if (urb->start_frame == prepare_subs->urb[0]->start_frame) { - usX2Y_subs_startup_finish(usX2Y); + usx2y_subs_startup_finish(usx2y); atomic_inc(&prepare_subs->state); - wake_up(&usX2Y->prepare_wait_queue); + wake_up(&usx2y->prepare_wait_queue); }

- i_usX2Y_urb_complete(urb); + i_usx2y_urb_complete(urb); }

-static void usX2Y_subs_prepare(struct snd_usX2Y_substream *subs) +static void usx2y_subs_prepare(struct snd_usx2y_substream *subs) { - snd_printdd("usX2Y_substream_prepare(%p) ep=%i urb0=%p urb1=%p\n", + snd_printdd("usx2y_substream_prepare(%p) ep=%i urb0=%p urb1=%p\n", subs, subs->endpoint, subs->urb[0], subs->urb[1]); /* reset the pointer */ subs->hwptr = 0; @@ -363,7 +363,7 @@ static void usX2Y_subs_prepare(struct snd_usX2Y_substream *subs) }

-static void usX2Y_urb_release(struct urb **urb, int free_tb) +static void usx2y_urb_release(struct urb **urb, int free_tb) { if (*urb) { usb_kill_urb(*urb); @@ -376,13 +376,13 @@ static void usX2Y_urb_release(struct urb **urb, int free_tb) /* * release a substreams urbs */ -static void usX2Y_urbs_release(struct snd_usX2Y_substream *subs) +static void usx2y_urbs_release(struct snd_usx2y_substream *subs) { int i; - snd_printdd("usX2Y_urbs_release() %i\n", subs->endpoint); + snd_printdd("usx2y_urbs_release() %i\n", subs->endpoint); for (i = 0; i < NRURBS; i++) - usX2Y_urb_release(subs->urb + i, - subs != subs->usX2Y->subs[SNDRV_PCM_STREAM_PLAYBACK]); + usx2y_urb_release(subs->urb + i, + subs != subs->usx2y->subs[SNDRV_PCM_STREAM_PLAYBACK]);

kfree(subs->tmpbuf); subs->tmpbuf = NULL; @@ -390,12 +390,12 @@ static void usX2Y_urbs_release(struct snd_usX2Y_substream *subs) /* * initialize a substream's urbs */ -static int usX2Y_urbs_allocate(struct snd_usX2Y_substream *subs) +static int usx2y_urbs_allocate(struct snd_usx2y_substream *subs) { int i; unsigned int pipe; - int is_playback = subs == subs->usX2Y->subs[SNDRV_PCM_STREAM_PLAYBACK]; - struct usb_device *dev = subs->usX2Y->dev; + int is_playback = subs == subs->usx2y->subs[SNDRV_PCM_STREAM_PLAYBACK]; + struct usb_device *dev = subs->usx2y->dev;

pipe = is_playback ? usb_sndisocpipe(dev, subs->endpoint) : usb_rcvisocpipe(dev, subs->endpoint); @@ -417,7 +417,7 @@ static int usX2Y_urbs_allocate(struct snd_usX2Y_substream *subs) } *purb = usb_alloc_urb(nr_of_packs(), GFP_KERNEL); if (NULL == *purb) { - usX2Y_urbs_release(subs); + usx2y_urbs_release(subs); return -ENOMEM; } if (!is_playback && !(*purb)->transfer_buffer) { @@ -426,7 +426,7 @@ static int usX2Y_urbs_allocate(struct snd_usX2Y_substream *subs) kmalloc_array(subs->maxpacksize, nr_of_packs(), GFP_KERNEL); if (NULL == (*purb)->transfer_buffer) { - usX2Y_urbs_release(subs); + usx2y_urbs_release(subs); return -ENOMEM; } } @@ -435,43 +435,43 @@ static int usX2Y_urbs_allocate(struct snd_usX2Y_substream *subs) (*purb)->number_of_packets = nr_of_packs(); (*purb)->context = subs; (*purb)->interval = 1; - (*purb)->complete = i_usX2Y_subs_startup; + (*purb)->complete = i_usx2y_subs_startup; } return 0; }

-static void usX2Y_subs_startup(struct snd_usX2Y_substream *subs) +static void usx2y_subs_startup(struct snd_usx2y_substream *subs) { - struct usX2Ydev *usX2Y = subs->usX2Y; - usX2Y->prepare_subs = subs; + struct usx2ydev *usx2y = subs->usx2y; + usx2y->prepare_subs = subs; subs->urb[0]->start_frame = -1; wmb(); - usX2Y_urbs_set_complete(usX2Y, i_usX2Y_subs_startup); + usx2y_urbs_set_complete(usx2y, i_usx2y_subs_startup); }

-static int usX2Y_urbs_start(struct snd_usX2Y_substream *subs) +static int usx2y_urbs_start(struct snd_usx2y_substream *subs) { int i, err; - struct usX2Ydev *usX2Y = subs->usX2Y; + struct usx2ydev *usx2y = subs->usx2y;

- if ((err = usX2Y_urbs_allocate(subs)) < 0) + if ((err = usx2y_urbs_allocate(subs)) < 0) return err; subs->completed_urb = NULL; for (i = 0; i < 4; i++) { - struct snd_usX2Y_substream *subs = usX2Y->subs[i]; - if (subs != NULL && atomic_read(&subs->state) >= state_PREPARED) + struct snd_usx2y_substream *subs = usx2y->subs[i]; + if (subs != NULL && atomic_read(&subs->state) >= STATE_PREPARED) goto start; }

start: - usX2Y_subs_startup(subs); + usx2y_subs_startup(subs); for (i = 0; i < NRURBS; i++) { struct urb *urb = subs->urb[i]; if (usb_pipein(urb->pipe)) { unsigned long pack; if (0 == i) - atomic_set(&subs->state, state_STARTING3); - urb->dev = usX2Y->dev; + atomic_set(&subs->state, STATE_STARTING3); + urb->dev = usx2y->dev; for (pack = 0; pack < nr_of_packs(); pack++) { urb->iso_frame_desc[pack].offset = subs->maxpacksize * pack; urb->iso_frame_desc[pack].length = subs->maxpacksize; @@ -483,22 +483,22 @@ static int usX2Y_urbs_start(struct snd_usX2Y_substream *subs) goto cleanup; } else if (i == 0) - usX2Y->wait_iso_frame = urb->start_frame; + usx2y->wait_iso_frame = urb->start_frame; urb->transfer_flags = 0; } else { - atomic_set(&subs->state, state_STARTING1); + atomic_set(&subs->state, STATE_STARTING1); break; } } err = 0; - wait_event(usX2Y->prepare_wait_queue, NULL == usX2Y->prepare_subs); - if (atomic_read(&subs->state) != state_PREPARED) + wait_event(usx2y->prepare_wait_queue, NULL == usx2y->prepare_subs); + if (atomic_read(&subs->state) != STATE_PREPARED) err = -EPIPE;

cleanup: if (err) { - usX2Y_subs_startup_finish(usX2Y); - usX2Y_clients_stop(usX2Y); // something is completely wroong > stop evrything + usx2y_subs_startup_finish(usx2y); + usx2y_clients_stop(usx2y); // something is completely wroong > stop evrything } return err; } @@ -506,33 +506,33 @@ static int usX2Y_urbs_start(struct snd_usX2Y_substream *subs) /* * return the current pcm pointer. just return the hwptr_done value. */ -static snd_pcm_uframes_t snd_usX2Y_pcm_pointer(struct snd_pcm_substream *substream) +static snd_pcm_uframes_t snd_usx2y_pcm_pointer(struct snd_pcm_substream *substream) { - struct snd_usX2Y_substream *subs = substream->runtime->private_data; + struct snd_usx2y_substream *subs = substream->runtime->private_data; return subs->hwptr_done; } /* * start/stop substream */ -static int snd_usX2Y_pcm_trigger(struct snd_pcm_substream *substream, int cmd) +static int snd_usx2y_pcm_trigger(struct snd_pcm_substream *substream, int cmd) { - struct snd_usX2Y_substream *subs = substream->runtime->private_data; + struct snd_usx2y_substream *subs = substream->runtime->private_data;

switch (cmd) { case SNDRV_PCM_TRIGGER_START: - snd_printdd("snd_usX2Y_pcm_trigger(START)\n"); - if (atomic_read(&subs->state) == state_PREPARED && - atomic_read(&subs->usX2Y->subs[SNDRV_PCM_STREAM_CAPTURE]->state) >= state_PREPARED) { - atomic_set(&subs->state, state_PRERUNNING); + snd_printdd("snd_usx2y_pcm_trigger(START)\n"); + if (atomic_read(&subs->state) == STATE_PREPARED && + atomic_read(&subs->usx2y->subs[SNDRV_PCM_STREAM_CAPTURE]->state) >= STATE_PREPARED) { + atomic_set(&subs->state, STATE_PRERUNNING); } else { snd_printdd("\n"); return -EPIPE; } break; case SNDRV_PCM_TRIGGER_STOP: - snd_printdd("snd_usX2Y_pcm_trigger(STOP)\n"); - if (atomic_read(&subs->state) >= state_PRERUNNING) - atomic_set(&subs->state, state_PREPARED); + snd_printdd("snd_usx2y_pcm_trigger(STOP)\n"); + if (atomic_read(&subs->state) >= STATE_PRERUNNING) + atomic_set(&subs->state, STATE_PREPARED); break; default: return -EINVAL; @@ -553,7 +553,7 @@ static const struct s_c2 { char c1, c2; } - SetRate44100[] = + setrate_44100[] = { { 0x14, 0x08}, // this line sets 44100, well actually a little less { 0x18, 0x40}, // only tascam / frontier design knows the further lines ....... @@ -589,7 +589,7 @@ static const struct s_c2 { 0x18, 0x7C}, { 0x18, 0x7E} }; -static const struct s_c2 SetRate48000[] = +static const struct s_c2 setrate_48000[] = { { 0x14, 0x09}, // this line sets 48000, well actually a little less { 0x18, 0x40}, // only tascam / frontier design knows the further lines ....... @@ -625,26 +625,26 @@ static const struct s_c2 SetRate48000[] = { 0x18, 0x7C}, { 0x18, 0x7E} }; -#define NOOF_SETRATE_URBS ARRAY_SIZE(SetRate48000) +#define NOOF_SETRATE_URBS ARRAY_SIZE(setrate_48000)

-static void i_usX2Y_04Int(struct urb *urb) +static void i_usx2y_04int(struct urb *urb) { - struct usX2Ydev *usX2Y = urb->context; + struct usx2ydev *usx2y = urb->context; if (urb->status) - snd_printk(KERN_ERR "snd_usX2Y_04Int() urb->status=%i\n", urb->status); - if (0 == --usX2Y->US04->len) - wake_up(&usX2Y->In04WaitQueue); + snd_printk(KERN_ERR "snd_usx2y_04int() urb->status=%i\n", urb->status); + if (0 == --usx2y->us04->len) + wake_up(&usx2y->in04_wait_queue); }

-static int usX2Y_rate_set(struct usX2Ydev *usX2Y, int rate) +static int usx2y_rate_set(struct usx2ydev *usx2y, int rate) { int err = 0, i; - struct snd_usX2Y_urbSeq *us = NULL; + struct snd_usx2y_urb_seq *us = NULL; int *usbdata = NULL; - const struct s_c2 *ra = rate == 48000 ? SetRate48000 : SetRate44100; + const struct s_c2 *ra = rate == 48000 ? setrate_48000 : setrate_44100;

- if (usX2Y->rate != rate) { + if (usx2y->rate != rate) { us = kzalloc(sizeof(*us) + sizeof(struct urb*) * NOOF_SETRATE_URBS, GFP_KERNEL); if (NULL == us) { err = -ENOMEM; @@ -663,17 +663,17 @@ static int usX2Y_rate_set(struct usX2Ydev *usX2Y, int rate) } ((char*)(usbdata + i))[0] = ra[i].c1; ((char*)(usbdata + i))[1] = ra[i].c2; - usb_fill_bulk_urb(us->urb[i], usX2Y->dev, usb_sndbulkpipe(usX2Y->dev, 4), - usbdata + i, 2, i_usX2Y_04Int, usX2Y); + usb_fill_bulk_urb(us->urb[i], usx2y->dev, usb_sndbulkpipe(usx2y->dev, 4), + usbdata + i, 2, i_usx2y_04int, usx2y); } err = usb_urb_ep_type_check(us->urb[0]); if (err < 0) goto cleanup; us->submitted = 0; us->len = NOOF_SETRATE_URBS; - usX2Y->US04 = us; - wait_event_timeout(usX2Y->In04WaitQueue, 0 == us->len, HZ); - usX2Y->US04 = NULL; + usx2y->us04 = us; + wait_event_timeout(usx2y->in04_wait_queue, 0 == us->len, HZ); + usx2y->us04 = NULL; if (us->len) err = -ENODEV; cleanup: @@ -690,11 +690,11 @@ static int usX2Y_rate_set(struct usX2Ydev *usX2Y, int rate) } usb_free_urb(urb); } - usX2Y->US04 = NULL; + usx2y->us04 = NULL; kfree(usbdata); kfree(us); if (!err) - usX2Y->rate = rate; + usx2y->rate = rate; } }

@@ -702,53 +702,53 @@ static int usX2Y_rate_set(struct usX2Ydev *usX2Y, int rate) }

-static int usX2Y_format_set(struct usX2Ydev *usX2Y, snd_pcm_format_t format) +static int usx2y_format_set(struct usx2ydev *usx2y, snd_pcm_format_t format) { int alternate, err; struct list_head* p; if (format == SNDRV_PCM_FORMAT_S24_3LE) { alternate = 2; - usX2Y->stride = 6; + usx2y->stride = 6; } else { alternate = 1; - usX2Y->stride = 4; + usx2y->stride = 4; } - list_for_each(p, &usX2Y->midi_list) { + list_for_each(p, &usx2y->midi_list) { snd_usbmidi_input_stop(p); } - usb_kill_urb(usX2Y->In04urb); - if ((err = usb_set_interface(usX2Y->dev, 0, alternate))) { + usb_kill_urb(usx2y->in04_urb); + if ((err = usb_set_interface(usx2y->dev, 0, alternate))) { snd_printk(KERN_ERR "usb_set_interface error \n"); return err; } - usX2Y->In04urb->dev = usX2Y->dev; - err = usb_submit_urb(usX2Y->In04urb, GFP_KERNEL); - list_for_each(p, &usX2Y->midi_list) { + usx2y->in04_urb->dev = usx2y->dev; + err = usb_submit_urb(usx2y->in04_urb, GFP_KERNEL); + list_for_each(p, &usx2y->midi_list) { snd_usbmidi_input_start(p); } - usX2Y->format = format; - usX2Y->rate = 0; + usx2y->format = format; + usx2y->rate = 0; return err; }

-static int snd_usX2Y_pcm_hw_params(struct snd_pcm_substream *substream, +static int snd_usx2y_pcm_hw_params(struct snd_pcm_substream *substream, struct snd_pcm_hw_params *hw_params) { int err = 0; unsigned int rate = params_rate(hw_params); snd_pcm_format_t format = params_format(hw_params); struct snd_card *card = substream->pstr->pcm->card; - struct usX2Ydev *dev = usX2Y(card); + struct usx2ydev *dev = usx2y(card); int i;

- mutex_lock(&usX2Y(card)->pcm_mutex); - snd_printdd("snd_usX2Y_hw_params(%p, %p)\n", substream, hw_params); - /* all pcm substreams off one usX2Y have to operate at the same + mutex_lock(&usx2y(card)->pcm_mutex); + snd_printdd("snd_usx2y_hw_params(%p, %p)\n", substream, hw_params); + /* all pcm substreams off one usx2y have to operate at the same * rate & format */ for (i = 0; i < dev->pcm_devs * 2; i++) { - struct snd_usX2Y_substream *subs = dev->subs[i]; + struct snd_usx2y_substream *subs = dev->subs[i]; struct snd_pcm_substream *test_substream;

if (!subs) @@ -767,39 +767,39 @@ static int snd_usX2Y_pcm_hw_params(struct snd_pcm_substream *substream, }

error: - mutex_unlock(&usX2Y(card)->pcm_mutex); + mutex_unlock(&usx2y(card)->pcm_mutex); return err; }

/* * free the buffer */ -static int snd_usX2Y_pcm_hw_free(struct snd_pcm_substream *substream) +static int snd_usx2y_pcm_hw_free(struct snd_pcm_substream *substream) { struct snd_pcm_runtime *runtime = substream->runtime; - struct snd_usX2Y_substream *subs = runtime->private_data; - mutex_lock(&subs->usX2Y->pcm_mutex); - snd_printdd("snd_usX2Y_hw_free(%p)\n", substream); + struct snd_usx2y_substream *subs = runtime->private_data; + mutex_lock(&subs->usx2y->pcm_mutex); + snd_printdd("snd_usx2y_hw_free(%p)\n", substream);

if (SNDRV_PCM_STREAM_PLAYBACK == substream->stream) { - struct snd_usX2Y_substream *cap_subs = subs->usX2Y->subs[SNDRV_PCM_STREAM_CAPTURE]; - atomic_set(&subs->state, state_STOPPED); - usX2Y_urbs_release(subs); + struct snd_usx2y_substream *cap_subs = subs->usx2y->subs[SNDRV_PCM_STREAM_CAPTURE]; + atomic_set(&subs->state, STATE_STOPPED); + usx2y_urbs_release(subs); if (!cap_subs->pcm_substream || !cap_subs->pcm_substream->runtime || !cap_subs->pcm_substream->runtime->status || cap_subs->pcm_substream->runtime->status->state < SNDRV_PCM_STATE_PREPARED) { - atomic_set(&cap_subs->state, state_STOPPED); - usX2Y_urbs_release(cap_subs); + atomic_set(&cap_subs->state, STATE_STOPPED); + usx2y_urbs_release(cap_subs); } } else { - struct snd_usX2Y_substream *playback_subs = subs->usX2Y->subs[SNDRV_PCM_STREAM_PLAYBACK]; - if (atomic_read(&playback_subs->state) < state_PREPARED) { - atomic_set(&subs->state, state_STOPPED); - usX2Y_urbs_release(subs); + struct snd_usx2y_substream *playback_subs = subs->usx2y->subs[SNDRV_PCM_STREAM_PLAYBACK]; + if (atomic_read(&playback_subs->state) < STATE_PREPARED) { + atomic_set(&subs->state, STATE_STOPPED); + usx2y_urbs_release(subs); } } - mutex_unlock(&subs->usX2Y->pcm_mutex); + mutex_unlock(&subs->usx2y->pcm_mutex); return 0; } /* @@ -807,40 +807,40 @@ static int snd_usX2Y_pcm_hw_free(struct snd_pcm_substream *substream) * * set format and initialize urbs */ -static int snd_usX2Y_pcm_prepare(struct snd_pcm_substream *substream) +static int snd_usx2y_pcm_prepare(struct snd_pcm_substream *substream) { struct snd_pcm_runtime *runtime = substream->runtime; - struct snd_usX2Y_substream *subs = runtime->private_data; - struct usX2Ydev *usX2Y = subs->usX2Y; - struct snd_usX2Y_substream *capsubs = subs->usX2Y->subs[SNDRV_PCM_STREAM_CAPTURE]; + struct snd_usx2y_substream *subs = runtime->private_data; + struct usx2ydev *usx2y = subs->usx2y; + struct snd_usx2y_substream *capsubs = subs->usx2y->subs[SNDRV_PCM_STREAM_CAPTURE]; int err = 0; - snd_printdd("snd_usX2Y_pcm_prepare(%p)\n", substream); + snd_printdd("snd_usx2y_pcm_prepare(%p)\n", substream);

- mutex_lock(&usX2Y->pcm_mutex); - usX2Y_subs_prepare(subs); + mutex_lock(&usx2y->pcm_mutex); + usx2y_subs_prepare(subs); // Start hardware streams // SyncStream first.... - if (atomic_read(&capsubs->state) < state_PREPARED) { - if (usX2Y->format != runtime->format) - if ((err = usX2Y_format_set(usX2Y, runtime->format)) < 0) + if (atomic_read(&capsubs->state) < STATE_PREPARED) { + if (usx2y->format != runtime->format) + if ((err = usx2y_format_set(usx2y, runtime->format)) < 0) goto up_prepare_mutex; - if (usX2Y->rate != runtime->rate) - if ((err = usX2Y_rate_set(usX2Y, runtime->rate)) < 0) + if (usx2y->rate != runtime->rate) + if ((err = usx2y_rate_set(usx2y, runtime->rate)) < 0) goto up_prepare_mutex; snd_printdd("starting capture pipe for %s\n", subs == capsubs ? "self" : "playpipe"); - if (0 > (err = usX2Y_urbs_start(capsubs))) + if (0 > (err = usx2y_urbs_start(capsubs))) goto up_prepare_mutex; }

- if (subs != capsubs && atomic_read(&subs->state) < state_PREPARED) - err = usX2Y_urbs_start(subs); + if (subs != capsubs && atomic_read(&subs->state) < STATE_PREPARED) + err = usx2y_urbs_start(subs);

up_prepare_mutex: - mutex_unlock(&usX2Y->pcm_mutex); + mutex_unlock(&usx2y->pcm_mutex); return err; }

-static const struct snd_pcm_hardware snd_usX2Y_2c = +static const struct snd_pcm_hardware snd_usx2y_2c = { .info = (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED | SNDRV_PCM_INFO_BLOCK_TRANSFER | @@ -862,16 +862,16 @@ static const struct snd_pcm_hardware snd_usX2Y_2c =

-static int snd_usX2Y_pcm_open(struct snd_pcm_substream *substream) +static int snd_usx2y_pcm_open(struct snd_pcm_substream *substream) { - struct snd_usX2Y_substream *subs = ((struct snd_usX2Y_substream **) + struct snd_usx2y_substream *subs = ((struct snd_usx2y_substream **) snd_pcm_substream_chip(substream))[substream->stream]; struct snd_pcm_runtime *runtime = substream->runtime;

- if (subs->usX2Y->chip_status & USX2Y_STAT_CHIP_MMAP_PCM_URBS) + if (subs->usx2y->chip_status & USX2Y_STAT_CHIP_MMAP_PCM_URBS) return -EBUSY;

- runtime->hw = snd_usX2Y_2c; + runtime->hw = snd_usx2y_2c; runtime->private_data = subs; subs->pcm_substream = substream; snd_pcm_hw_constraint_minmax(runtime, SNDRV_PCM_HW_PARAM_PERIOD_TIME, 1000, 200000); @@ -880,10 +880,10 @@ static int snd_usX2Y_pcm_open(struct snd_pcm_substream *substream)

-static int snd_usX2Y_pcm_close(struct snd_pcm_substream *substream) +static int snd_usx2y_pcm_close(struct snd_pcm_substream *substream) { struct snd_pcm_runtime *runtime = substream->runtime; - struct snd_usX2Y_substream *subs = runtime->private_data; + struct snd_usx2y_substream *subs = runtime->private_data;

subs->pcm_substream = NULL;

@@ -891,75 +891,75 @@ static int snd_usX2Y_pcm_close(struct snd_pcm_substream *substream) }

-static const struct snd_pcm_ops snd_usX2Y_pcm_ops = +static const struct snd_pcm_ops snd_usx2y_pcm_ops = { - .open = snd_usX2Y_pcm_open, - .close = snd_usX2Y_pcm_close, - .hw_params = snd_usX2Y_pcm_hw_params, - .hw_free = snd_usX2Y_pcm_hw_free, - .prepare = snd_usX2Y_pcm_prepare, - .trigger = snd_usX2Y_pcm_trigger, - .pointer = snd_usX2Y_pcm_pointer, + .open = snd_usx2y_pcm_open, + .close = snd_usx2y_pcm_close, + .hw_params = snd_usx2y_pcm_hw_params, + .hw_free = snd_usx2y_pcm_hw_free, + .prepare = snd_usx2y_pcm_prepare, + .trigger = snd_usx2y_pcm_trigger, + .pointer = snd_usx2y_pcm_pointer, };

/* * free a usb stream instance */ -static void usX2Y_audio_stream_free(struct snd_usX2Y_substream **usX2Y_substream) +static void usx2y_audio_stream_free(struct snd_usx2y_substream **usx2y_substream) { int stream;

for_each_pcm_streams(stream) { - kfree(usX2Y_substream[stream]); - usX2Y_substream[stream] = NULL; + kfree(usx2y_substream[stream]); + usx2y_substream[stream] = NULL; } }

-static void snd_usX2Y_pcm_private_free(struct snd_pcm *pcm) +static void snd_usx2y_pcm_private_free(struct snd_pcm *pcm) { - struct snd_usX2Y_substream **usX2Y_stream = pcm->private_data; - if (usX2Y_stream) - usX2Y_audio_stream_free(usX2Y_stream); + struct snd_usx2y_substream **usx2y_stream = pcm->private_data; + if (usx2y_stream) + usx2y_audio_stream_free(usx2y_stream); }

-static int usX2Y_audio_stream_new(struct snd_card *card, int playback_endpoint, int capture_endpoint) +static int usx2y_audio_stream_new(struct snd_card *card, int playback_endpoint, int capture_endpoint) { struct snd_pcm *pcm; int err, i; - struct snd_usX2Y_substream **usX2Y_substream = - usX2Y(card)->subs + 2 * usX2Y(card)->pcm_devs; + struct snd_usx2y_substream **usx2y_substream = + usx2y(card)->subs + 2 * usx2y(card)->pcm_devs;

for (i = playback_endpoint ? SNDRV_PCM_STREAM_PLAYBACK : SNDRV_PCM_STREAM_CAPTURE; i <= SNDRV_PCM_STREAM_CAPTURE; ++i) { - usX2Y_substream[i] = kzalloc(sizeof(struct snd_usX2Y_substream), GFP_KERNEL); - if (!usX2Y_substream[i]) + usx2y_substream[i] = kzalloc(sizeof(struct snd_usx2y_substream), GFP_KERNEL); + if (!usx2y_substream[i]) return -ENOMEM;

- usX2Y_substream[i]->usX2Y = usX2Y(card); + usx2y_substream[i]->usx2y = usx2y(card); }

if (playback_endpoint) - usX2Y_substream[SNDRV_PCM_STREAM_PLAYBACK]->endpoint = playback_endpoint; - usX2Y_substream[SNDRV_PCM_STREAM_CAPTURE]->endpoint = capture_endpoint; + usx2y_substream[SNDRV_PCM_STREAM_PLAYBACK]->endpoint = playback_endpoint; + usx2y_substream[SNDRV_PCM_STREAM_CAPTURE]->endpoint = capture_endpoint;

- err = snd_pcm_new(card, NAME_ALLCAPS" Audio", usX2Y(card)->pcm_devs, + err = snd_pcm_new(card, NAME_ALLCAPS" Audio", usx2y(card)->pcm_devs, playback_endpoint ? 1 : 0, 1, &pcm); if (err < 0) { - usX2Y_audio_stream_free(usX2Y_substream); + usx2y_audio_stream_free(usx2y_substream); return err; }

if (playback_endpoint) - snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_usX2Y_pcm_ops); - snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_usX2Y_pcm_ops); + snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_usx2y_pcm_ops); + snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_usx2y_pcm_ops);

- pcm->private_data = usX2Y_substream; - pcm->private_free = snd_usX2Y_pcm_private_free; + pcm->private_data = usx2y_substream; + pcm->private_free = snd_usx2y_pcm_private_free; pcm->info_flags = 0;

- sprintf(pcm->name, NAME_ALLCAPS" Audio #%d", usX2Y(card)->pcm_devs); + sprintf(pcm->name, NAME_ALLCAPS" Audio #%d", usx2y(card)->pcm_devs);

if (playback_endpoint) { snd_pcm_set_managed_buffer(pcm->streams[SNDRV_PCM_STREAM_PLAYBACK].substream, @@ -972,7 +972,7 @@ static int usX2Y_audio_stream_new(struct snd_card *card, int playback_endpoint, SNDRV_DMA_TYPE_CONTINUOUS, NULL, 64*1024, 128*1024); - usX2Y(card)->pcm_devs++; + usx2y(card)->pcm_devs++;

return 0; } @@ -980,18 +980,18 @@ static int usX2Y_audio_stream_new(struct snd_card *card, int playback_endpoint, /* * create a chip instance and set its names. */ -int usX2Y_audio_create(struct snd_card *card) +int usx2y_audio_create(struct snd_card *card) { int err = 0; - INIT_LIST_HEAD(&usX2Y(card)->pcm_list); + INIT_LIST_HEAD(&usx2y(card)->pcm_list);

- if (0 > (err = usX2Y_audio_stream_new(card, 0xA, 0x8))) + if (0 > (err = usx2y_audio_stream_new(card, 0xA, 0x8))) return err; - if (le16_to_cpu(usX2Y(card)->dev->descriptor.idProduct) == USB_ID_US428) - if (0 > (err = usX2Y_audio_stream_new(card, 0, 0xA))) + if (le16_to_cpu(usx2y(card)->dev->descriptor.idProduct) == USB_ID_US428) + if (0 > (err = usx2y_audio_stream_new(card, 0, 0xA))) return err; - if (le16_to_cpu(usX2Y(card)->dev->descriptor.idProduct) != USB_ID_US122) - err = usX2Y_rate_set(usX2Y(card), 44100); // Lets us428 recognize output-volume settings, disturbs us122. + if (le16_to_cpu(usx2y(card)->dev->descriptor.idProduct) != USB_ID_US122) + err = usx2y_rate_set(usx2y(card), 44100); // Lets us428 recognize output-volume settings, disturbs us122. return err; } diff --git a/sound/usb/usx2y/usx2yhwdeppcm.c b/sound/usb/usx2y/usx2yhwdeppcm.c index 8253669c6a7d..399470e51c41 100644 --- a/sound/usb/usx2y/usx2yhwdeppcm.c +++ b/sound/usb/usx2y/usx2yhwdeppcm.c @@ -47,17 +47,17 @@ #include <sound/hwdep.h>

-static int usX2Y_usbpcm_urb_capt_retire(struct snd_usX2Y_substream *subs) +static int usx2y_usbpcm_urb_capt_retire(struct snd_usx2y_substream *subs) { struct urb *urb = subs->completed_urb; struct snd_pcm_runtime *runtime = subs->pcm_substream->runtime; int i, lens = 0, hwptr_done = subs->hwptr_done; - struct usX2Ydev *usX2Y = subs->usX2Y; - if (0 > usX2Y->hwdep_pcm_shm->capture_iso_start) { //FIXME - int head = usX2Y->hwdep_pcm_shm->captured_iso_head + 1; - if (head >= ARRAY_SIZE(usX2Y->hwdep_pcm_shm->captured_iso)) + struct usx2ydev *usx2y = subs->usx2y; + if (0 > usx2y->hwdep_pcm_shm->capture_iso_start) { //FIXME + int head = usx2y->hwdep_pcm_shm->captured_iso_head + 1; + if (head >= ARRAY_SIZE(usx2y->hwdep_pcm_shm->captured_iso)) head = 0; - usX2Y->hwdep_pcm_shm->capture_iso_start = head; + usx2y->hwdep_pcm_shm->capture_iso_start = head; snd_printdd("cap start %i\n", head); } for (i = 0; i < nr_of_packs(); i++) { @@ -65,7 +65,7 @@ static int usX2Y_usbpcm_urb_capt_retire(struct snd_usX2Y_substream *subs) snd_printk(KERN_ERR "active frame status %i. Most probably some hardware problem.\n", urb->iso_frame_desc[i].status); return urb->iso_frame_desc[i].status; } - lens += urb->iso_frame_desc[i].actual_length / usX2Y->stride; + lens += urb->iso_frame_desc[i].actual_length / usx2y->stride; } if ((hwptr_done += lens) >= runtime->buffer_size) hwptr_done -= runtime->buffer_size; @@ -79,10 +79,10 @@ static int usX2Y_usbpcm_urb_capt_retire(struct snd_usX2Y_substream *subs) return 0; }

-static inline int usX2Y_iso_frames_per_buffer(struct snd_pcm_runtime *runtime, - struct usX2Ydev * usX2Y) +static inline int usx2y_iso_frames_per_buffer(struct snd_pcm_runtime *runtime, + struct usx2ydev * usx2y) { - return (runtime->buffer_size * 1000) / usX2Y->rate + 1; //FIXME: so far only correct period_size == 2^x ? + return (runtime->buffer_size * 1000) / usx2y->rate + 1; //FIXME: so far only correct period_size == 2^x ? }

/* @@ -95,17 +95,17 @@ static inline int usX2Y_iso_frames_per_buffer(struct snd_pcm_runtime *runtime, * it directly from the buffer. thus the data is once copied to * a temporary buffer and urb points to that. */ -static int usX2Y_hwdep_urb_play_prepare(struct snd_usX2Y_substream *subs, +static int usx2y_hwdep_urb_play_prepare(struct snd_usx2y_substream *subs, struct urb *urb) { int count, counts, pack; - struct usX2Ydev *usX2Y = subs->usX2Y; - struct snd_usX2Y_hwdep_pcm_shm *shm = usX2Y->hwdep_pcm_shm; + struct usx2ydev *usx2y = subs->usx2y; + struct snd_usx2y_hwdep_pcm_shm *shm = usx2y->hwdep_pcm_shm; struct snd_pcm_runtime *runtime = subs->pcm_substream->runtime;

if (0 > shm->playback_iso_start) { shm->playback_iso_start = shm->captured_iso_head - - usX2Y_iso_frames_per_buffer(runtime, usX2Y); + usx2y_iso_frames_per_buffer(runtime, usx2y); if (0 > shm->playback_iso_start) shm->playback_iso_start += ARRAY_SIZE(shm->captured_iso); shm->playback_iso_head = shm->playback_iso_start; @@ -114,7 +114,7 @@ static int usX2Y_hwdep_urb_play_prepare(struct snd_usX2Y_substream *subs, count = 0; for (pack = 0; pack < nr_of_packs(); pack++) { /* calculate the size of a packet */ - counts = shm->captured_iso[shm->playback_iso_head].length / usX2Y->stride; + counts = shm->captured_iso[shm->playback_iso_head].length / usx2y->stride; if (counts < 43 || counts > 50) { snd_printk(KERN_ERR "should not be here with counts=%i\n", counts); return -EPIPE; @@ -122,26 +122,26 @@ static int usX2Y_hwdep_urb_play_prepare(struct snd_usX2Y_substream *subs, /* set up descriptor */ urb->iso_frame_desc[pack].offset = shm->captured_iso[shm->playback_iso_head].offset; urb->iso_frame_desc[pack].length = shm->captured_iso[shm->playback_iso_head].length; - if (atomic_read(&subs->state) != state_RUNNING) + if (atomic_read(&subs->state) != STATE_RUNNING) memset((char *)urb->transfer_buffer + urb->iso_frame_desc[pack].offset, 0, urb->iso_frame_desc[pack].length); if (++shm->playback_iso_head >= ARRAY_SIZE(shm->captured_iso)) shm->playback_iso_head = 0; count += counts; } - urb->transfer_buffer_length = count * usX2Y->stride; + urb->transfer_buffer_length = count * usx2y->stride; return 0; }

-static inline void usX2Y_usbpcm_urb_capt_iso_advance(struct snd_usX2Y_substream *subs, +static inline void usx2y_usbpcm_urb_capt_iso_advance(struct snd_usx2y_substream *subs, struct urb *urb) { int pack; for (pack = 0; pack < nr_of_packs(); ++pack) { struct usb_iso_packet_descriptor *desc = urb->iso_frame_desc + pack; if (NULL != subs) { - struct snd_usX2Y_hwdep_pcm_shm *shm = subs->usX2Y->hwdep_pcm_shm; + struct snd_usx2y_hwdep_pcm_shm *shm = subs->usx2y->hwdep_pcm_shm; int head = shm->captured_iso_head + 1; if (head >= ARRAY_SIZE(shm->captured_iso)) head = 0; @@ -157,9 +157,9 @@ static inline void usX2Y_usbpcm_urb_capt_iso_advance(struct snd_usX2Y_substream } }

-static inline int usX2Y_usbpcm_usbframe_complete(struct snd_usX2Y_substream *capsubs, - struct snd_usX2Y_substream *capsubs2, - struct snd_usX2Y_substream *playbacksubs, +static inline int usx2y_usbpcm_usbframe_complete(struct snd_usx2y_substream *capsubs, + struct snd_usx2y_substream *capsubs2, + struct snd_usx2y_substream *playbacksubs, int frame) { int err, state; @@ -167,25 +167,25 @@ static inline int usX2Y_usbpcm_usbframe_complete(struct snd_usX2Y_substream *cap

state = atomic_read(&playbacksubs->state); if (NULL != urb) { - if (state == state_RUNNING) - usX2Y_urb_play_retire(playbacksubs, urb); - else if (state >= state_PRERUNNING) + if (state == STATE_RUNNING) + usx2y_urb_play_retire(playbacksubs, urb); + else if (state >= STATE_PRERUNNING) atomic_inc(&playbacksubs->state); } else { switch (state) { - case state_STARTING1: + case STATE_STARTING1: urb = playbacksubs->urb[0]; atomic_inc(&playbacksubs->state); break; - case state_STARTING2: + case STATE_STARTING2: urb = playbacksubs->urb[1]; atomic_inc(&playbacksubs->state); break; } } if (urb) { - if ((err = usX2Y_hwdep_urb_play_prepare(playbacksubs, urb)) || - (err = usX2Y_urb_submit(playbacksubs, urb, frame))) { + if ((err = usx2y_hwdep_urb_play_prepare(playbacksubs, urb)) || + (err = usx2y_urb_submit(playbacksubs, urb, frame))) { return err; } } @@ -193,19 +193,19 @@ static inline int usX2Y_usbpcm_usbframe_complete(struct snd_usX2Y_substream *cap playbacksubs->completed_urb = NULL;

state = atomic_read(&capsubs->state); - if (state >= state_PREPARED) { - if (state == state_RUNNING) { - if ((err = usX2Y_usbpcm_urb_capt_retire(capsubs))) + if (state >= STATE_PREPARED) { + if (state == STATE_RUNNING) { + if ((err = usx2y_usbpcm_urb_capt_retire(capsubs))) return err; - } else if (state >= state_PRERUNNING) + } else if (state >= STATE_PRERUNNING) atomic_inc(&capsubs->state); - usX2Y_usbpcm_urb_capt_iso_advance(capsubs, capsubs->completed_urb); + usx2y_usbpcm_urb_capt_iso_advance(capsubs, capsubs->completed_urb); if (NULL != capsubs2) - usX2Y_usbpcm_urb_capt_iso_advance(NULL, capsubs2->completed_urb); - if ((err = usX2Y_urb_submit(capsubs, capsubs->completed_urb, frame))) + usx2y_usbpcm_urb_capt_iso_advance(NULL, capsubs2->completed_urb); + if ((err = usx2y_urb_submit(capsubs, capsubs->completed_urb, frame))) return err; if (NULL != capsubs2) - if ((err = usX2Y_urb_submit(capsubs2, capsubs2->completed_urb, frame))) + if ((err = usx2y_urb_submit(capsubs2, capsubs2->completed_urb, frame))) return err; } capsubs->completed_urb = NULL; @@ -215,42 +215,42 @@ static inline int usX2Y_usbpcm_usbframe_complete(struct snd_usX2Y_substream *cap }

-static void i_usX2Y_usbpcm_urb_complete(struct urb *urb) +static void i_usx2y_usbpcm_urb_complete(struct urb *urb) { - struct snd_usX2Y_substream *subs = urb->context; - struct usX2Ydev *usX2Y = subs->usX2Y; - struct snd_usX2Y_substream *capsubs, *capsubs2, *playbacksubs; + struct snd_usx2y_substream *subs = urb->context; + struct usx2ydev *usx2y = subs->usx2y; + struct snd_usx2y_substream *capsubs, *capsubs2, *playbacksubs;

- if (unlikely(atomic_read(&subs->state) < state_PREPARED)) { + if (unlikely(atomic_read(&subs->state) < STATE_PREPARED)) { snd_printdd("hcd_frame=%i ep=%i%s status=%i start_frame=%i\n", - usb_get_current_frame_number(usX2Y->dev), + usb_get_current_frame_number(usx2y->dev), subs->endpoint, usb_pipein(urb->pipe) ? "in" : "out", urb->status, urb->start_frame); return; } if (unlikely(urb->status)) { - usX2Y_error_urb_status(usX2Y, subs, urb); + usx2y_error_urb_status(usx2y, subs, urb); return; }

subs->completed_urb = urb; - capsubs = usX2Y->subs[SNDRV_PCM_STREAM_CAPTURE]; - capsubs2 = usX2Y->subs[SNDRV_PCM_STREAM_CAPTURE + 2]; - playbacksubs = usX2Y->subs[SNDRV_PCM_STREAM_PLAYBACK]; - if (capsubs->completed_urb && atomic_read(&capsubs->state) >= state_PREPARED && + capsubs = usx2y->subs[SNDRV_PCM_STREAM_CAPTURE]; + capsubs2 = usx2y->subs[SNDRV_PCM_STREAM_CAPTURE + 2]; + playbacksubs = usx2y->subs[SNDRV_PCM_STREAM_PLAYBACK]; + if (capsubs->completed_urb && atomic_read(&capsubs->state) >= STATE_PREPARED && (NULL == capsubs2 || capsubs2->completed_urb) && - (playbacksubs->completed_urb || atomic_read(&playbacksubs->state) < state_PREPARED)) { - if (!usX2Y_usbpcm_usbframe_complete(capsubs, capsubs2, playbacksubs, urb->start_frame)) - usX2Y->wait_iso_frame += nr_of_packs(); + (playbacksubs->completed_urb || atomic_read(&playbacksubs->state) < STATE_PREPARED)) { + if (!usx2y_usbpcm_usbframe_complete(capsubs, capsubs2, playbacksubs, urb->start_frame)) + usx2y->wait_iso_frame += nr_of_packs(); else { snd_printdd("\n"); - usX2Y_clients_stop(usX2Y); + usx2y_clients_stop(usx2y); } } }

-static void usX2Y_hwdep_urb_release(struct urb **urb) +static void usx2y_hwdep_urb_release(struct urb **urb) { usb_kill_urb(*urb); usb_free_urb(*urb); @@ -260,49 +260,49 @@ static void usX2Y_hwdep_urb_release(struct urb **urb) /* * release a substream */ -static void usX2Y_usbpcm_urbs_release(struct snd_usX2Y_substream *subs) +static void usx2y_usbpcm_urbs_release(struct snd_usx2y_substream *subs) { int i; - snd_printdd("snd_usX2Y_urbs_release() %i\n", subs->endpoint); + snd_printdd("snd_usx2y_urbs_release() %i\n", subs->endpoint); for (i = 0; i < NRURBS; i++) - usX2Y_hwdep_urb_release(subs->urb + i); + usx2y_hwdep_urb_release(subs->urb + i); }

-static void usX2Y_usbpcm_subs_startup_finish(struct usX2Ydev * usX2Y) +static void usx2y_usbpcm_subs_startup_finish(struct usx2ydev * usx2y) { - usX2Y_urbs_set_complete(usX2Y, i_usX2Y_usbpcm_urb_complete); - usX2Y->prepare_subs = NULL; + usx2y_urbs_set_complete(usx2y, i_usx2y_usbpcm_urb_complete); + usx2y->prepare_subs = NULL; }

-static void i_usX2Y_usbpcm_subs_startup(struct urb *urb) +static void i_usx2y_usbpcm_subs_startup(struct urb *urb) { - struct snd_usX2Y_substream *subs = urb->context; - struct usX2Ydev *usX2Y = subs->usX2Y; - struct snd_usX2Y_substream *prepare_subs = usX2Y->prepare_subs; + struct snd_usx2y_substream *subs = urb->context; + struct usx2ydev *usx2y = subs->usx2y; + struct snd_usx2y_substream *prepare_subs = usx2y->prepare_subs; if (NULL != prepare_subs && urb->start_frame == prepare_subs->urb[0]->start_frame) { atomic_inc(&prepare_subs->state); - if (prepare_subs == usX2Y->subs[SNDRV_PCM_STREAM_CAPTURE]) { - struct snd_usX2Y_substream *cap_subs2 = usX2Y->subs[SNDRV_PCM_STREAM_CAPTURE + 2]; + if (prepare_subs == usx2y->subs[SNDRV_PCM_STREAM_CAPTURE]) { + struct snd_usx2y_substream *cap_subs2 = usx2y->subs[SNDRV_PCM_STREAM_CAPTURE + 2]; if (cap_subs2 != NULL) atomic_inc(&cap_subs2->state); } - usX2Y_usbpcm_subs_startup_finish(usX2Y); - wake_up(&usX2Y->prepare_wait_queue); + usx2y_usbpcm_subs_startup_finish(usx2y); + wake_up(&usx2y->prepare_wait_queue); }

- i_usX2Y_usbpcm_urb_complete(urb); + i_usx2y_usbpcm_urb_complete(urb); }

/* * initialize a substream's urbs */ -static int usX2Y_usbpcm_urbs_allocate(struct snd_usX2Y_substream *subs) +static int usx2y_usbpcm_urbs_allocate(struct snd_usx2y_substream *subs) { int i; unsigned int pipe; - int is_playback = subs == subs->usX2Y->subs[SNDRV_PCM_STREAM_PLAYBACK]; - struct usb_device *dev = subs->usX2Y->dev; + int is_playback = subs == subs->usx2y->subs[SNDRV_PCM_STREAM_PLAYBACK]; + struct usb_device *dev = subs->usx2y->dev;

pipe = is_playback ? usb_sndisocpipe(dev, subs->endpoint) : usb_rcvisocpipe(dev, subs->endpoint); @@ -319,21 +319,21 @@ static int usX2Y_usbpcm_urbs_allocate(struct snd_usX2Y_substream *subs) } *purb = usb_alloc_urb(nr_of_packs(), GFP_KERNEL); if (NULL == *purb) { - usX2Y_usbpcm_urbs_release(subs); + usx2y_usbpcm_urbs_release(subs); return -ENOMEM; } (*purb)->transfer_buffer = is_playback ? - subs->usX2Y->hwdep_pcm_shm->playback : ( + subs->usx2y->hwdep_pcm_shm->playback : ( subs->endpoint == 0x8 ? - subs->usX2Y->hwdep_pcm_shm->capture0x8 : - subs->usX2Y->hwdep_pcm_shm->capture0xA); + subs->usx2y->hwdep_pcm_shm->capture0x8 : + subs->usx2y->hwdep_pcm_shm->capture0xA);

(*purb)->dev = dev; (*purb)->pipe = pipe; (*purb)->number_of_packets = nr_of_packs(); (*purb)->context = subs; (*purb)->interval = 1; - (*purb)->complete = i_usX2Y_usbpcm_subs_startup; + (*purb)->complete = i_usx2y_usbpcm_subs_startup; } return 0; } @@ -341,91 +341,91 @@ static int usX2Y_usbpcm_urbs_allocate(struct snd_usX2Y_substream *subs) /* * free the buffer */ -static int snd_usX2Y_usbpcm_hw_free(struct snd_pcm_substream *substream) +static int snd_usx2y_usbpcm_hw_free(struct snd_pcm_substream *substream) { struct snd_pcm_runtime *runtime = substream->runtime; - struct snd_usX2Y_substream *subs = runtime->private_data, - *cap_subs2 = subs->usX2Y->subs[SNDRV_PCM_STREAM_CAPTURE + 2]; - mutex_lock(&subs->usX2Y->pcm_mutex); - snd_printdd("snd_usX2Y_usbpcm_hw_free(%p)\n", substream); + struct snd_usx2y_substream *subs = runtime->private_data, + *cap_subs2 = subs->usx2y->subs[SNDRV_PCM_STREAM_CAPTURE + 2]; + mutex_lock(&subs->usx2y->pcm_mutex); + snd_printdd("snd_usx2y_usbpcm_hw_free(%p)\n", substream);

if (SNDRV_PCM_STREAM_PLAYBACK == substream->stream) { - struct snd_usX2Y_substream *cap_subs = subs->usX2Y->subs[SNDRV_PCM_STREAM_CAPTURE]; - atomic_set(&subs->state, state_STOPPED); - usX2Y_usbpcm_urbs_release(subs); + struct snd_usx2y_substream *cap_subs = subs->usx2y->subs[SNDRV_PCM_STREAM_CAPTURE]; + atomic_set(&subs->state, STATE_STOPPED); + usx2y_usbpcm_urbs_release(subs); if (!cap_subs->pcm_substream || !cap_subs->pcm_substream->runtime || !cap_subs->pcm_substream->runtime->status || cap_subs->pcm_substream->runtime->status->state < SNDRV_PCM_STATE_PREPARED) { - atomic_set(&cap_subs->state, state_STOPPED); + atomic_set(&cap_subs->state, STATE_STOPPED); if (NULL != cap_subs2) - atomic_set(&cap_subs2->state, state_STOPPED); - usX2Y_usbpcm_urbs_release(cap_subs); + atomic_set(&cap_subs2->state, STATE_STOPPED); + usx2y_usbpcm_urbs_release(cap_subs); if (NULL != cap_subs2) - usX2Y_usbpcm_urbs_release(cap_subs2); + usx2y_usbpcm_urbs_release(cap_subs2); } } else { - struct snd_usX2Y_substream *playback_subs = subs->usX2Y->subs[SNDRV_PCM_STREAM_PLAYBACK]; - if (atomic_read(&playback_subs->state) < state_PREPARED) { - atomic_set(&subs->state, state_STOPPED); + struct snd_usx2y_substream *playback_subs = subs->usx2y->subs[SNDRV_PCM_STREAM_PLAYBACK]; + if (atomic_read(&playback_subs->state) < STATE_PREPARED) { + atomic_set(&subs->state, STATE_STOPPED); if (NULL != cap_subs2) - atomic_set(&cap_subs2->state, state_STOPPED); - usX2Y_usbpcm_urbs_release(subs); + atomic_set(&cap_subs2->state, STATE_STOPPED); + usx2y_usbpcm_urbs_release(subs); if (NULL != cap_subs2) - usX2Y_usbpcm_urbs_release(cap_subs2); + usx2y_usbpcm_urbs_release(cap_subs2); } } - mutex_unlock(&subs->usX2Y->pcm_mutex); + mutex_unlock(&subs->usx2y->pcm_mutex); return 0; }

-static void usX2Y_usbpcm_subs_startup(struct snd_usX2Y_substream *subs) +static void usx2y_usbpcm_subs_startup(struct snd_usx2y_substream *subs) { - struct usX2Ydev * usX2Y = subs->usX2Y; - usX2Y->prepare_subs = subs; + struct usx2ydev * usx2y = subs->usx2y; + usx2y->prepare_subs = subs; subs->urb[0]->start_frame = -1; - smp_wmb(); // Make sure above modifications are seen by i_usX2Y_subs_startup() - usX2Y_urbs_set_complete(usX2Y, i_usX2Y_usbpcm_subs_startup); + smp_wmb(); // Make sure above modifications are seen by i_usx2y_subs_startup() + usx2y_urbs_set_complete(usx2y, i_usx2y_usbpcm_subs_startup); }

-static int usX2Y_usbpcm_urbs_start(struct snd_usX2Y_substream *subs) +static int usx2y_usbpcm_urbs_start(struct snd_usx2y_substream *subs) { int p, u, err, stream = subs->pcm_substream->stream; - struct usX2Ydev *usX2Y = subs->usX2Y; + struct usx2ydev *usx2y = subs->usx2y;

if (SNDRV_PCM_STREAM_CAPTURE == stream) { - usX2Y->hwdep_pcm_shm->captured_iso_head = -1; - usX2Y->hwdep_pcm_shm->captured_iso_frames = 0; + usx2y->hwdep_pcm_shm->captured_iso_head = -1; + usx2y->hwdep_pcm_shm->captured_iso_frames = 0; }

for (p = 0; 3 >= (stream + p); p += 2) { - struct snd_usX2Y_substream *subs = usX2Y->subs[stream + p]; + struct snd_usx2y_substream *subs = usx2y->subs[stream + p]; if (subs != NULL) { - if ((err = usX2Y_usbpcm_urbs_allocate(subs)) < 0) + if ((err = usx2y_usbpcm_urbs_allocate(subs)) < 0) return err; subs->completed_urb = NULL; } }

for (p = 0; p < 4; p++) { - struct snd_usX2Y_substream *subs = usX2Y->subs[p]; - if (subs != NULL && atomic_read(&subs->state) >= state_PREPARED) + struct snd_usx2y_substream *subs = usx2y->subs[p]; + if (subs != NULL && atomic_read(&subs->state) >= STATE_PREPARED) goto start; }

start: - usX2Y_usbpcm_subs_startup(subs); + usx2y_usbpcm_subs_startup(subs); for (u = 0; u < NRURBS; u++) { for (p = 0; 3 >= (stream + p); p += 2) { - struct snd_usX2Y_substream *subs = usX2Y->subs[stream + p]; + struct snd_usx2y_substream *subs = usx2y->subs[stream + p]; if (subs != NULL) { struct urb *urb = subs->urb[u]; if (usb_pipein(urb->pipe)) { unsigned long pack; if (0 == u) - atomic_set(&subs->state, state_STARTING3); - urb->dev = usX2Y->dev; + atomic_set(&subs->state, STATE_STARTING3); + urb->dev = usx2y->dev; for (pack = 0; pack < nr_of_packs(); pack++) { urb->iso_frame_desc[pack].offset = subs->maxpacksize * (pack + u * nr_of_packs()); urb->iso_frame_desc[pack].length = subs->maxpacksize; @@ -438,25 +438,25 @@ static int usX2Y_usbpcm_urbs_start(struct snd_usX2Y_substream *subs) } else { snd_printdd("%i\n", urb->start_frame); if (u == 0) - usX2Y->wait_iso_frame = urb->start_frame; + usx2y->wait_iso_frame = urb->start_frame; } urb->transfer_flags = 0; } else { - atomic_set(&subs->state, state_STARTING1); + atomic_set(&subs->state, STATE_STARTING1); break; } } } } err = 0; - wait_event(usX2Y->prepare_wait_queue, NULL == usX2Y->prepare_subs); - if (atomic_read(&subs->state) != state_PREPARED) + wait_event(usx2y->prepare_wait_queue, NULL == usx2y->prepare_subs); + if (atomic_read(&subs->state) != STATE_PREPARED) err = -EPIPE; cleanup: if (err) { - usX2Y_subs_startup_finish(usX2Y); // Call it now - usX2Y_clients_stop(usX2Y); // something is completely wroong > stop evrything + usx2y_subs_startup_finish(usx2y); // Call it now + usx2y_clients_stop(usx2y); // something is completely wroong > stop evrything } return err; } @@ -466,69 +466,69 @@ static int usX2Y_usbpcm_urbs_start(struct snd_usX2Y_substream *subs) * * set format and initialize urbs */ -static int snd_usX2Y_usbpcm_prepare(struct snd_pcm_substream *substream) +static int snd_usx2y_usbpcm_prepare(struct snd_pcm_substream *substream) { struct snd_pcm_runtime *runtime = substream->runtime; - struct snd_usX2Y_substream *subs = runtime->private_data; - struct usX2Ydev *usX2Y = subs->usX2Y; - struct snd_usX2Y_substream *capsubs = subs->usX2Y->subs[SNDRV_PCM_STREAM_CAPTURE]; + struct snd_usx2y_substream *subs = runtime->private_data; + struct usx2ydev *usx2y = subs->usx2y; + struct snd_usx2y_substream *capsubs = subs->usx2y->subs[SNDRV_PCM_STREAM_CAPTURE]; int err = 0; - snd_printdd("snd_usX2Y_pcm_prepare(%p)\n", substream); + snd_printdd("snd_usx2y_pcm_prepare(%p)\n", substream);

- if (NULL == usX2Y->hwdep_pcm_shm) { - usX2Y->hwdep_pcm_shm = alloc_pages_exact(sizeof(struct snd_usX2Y_hwdep_pcm_shm), + if (NULL == usx2y->hwdep_pcm_shm) { + usx2y->hwdep_pcm_shm = alloc_pages_exact(sizeof(struct snd_usx2y_hwdep_pcm_shm), GFP_KERNEL); - if (!usX2Y->hwdep_pcm_shm) + if (!usx2y->hwdep_pcm_shm) return -ENOMEM; - memset(usX2Y->hwdep_pcm_shm, 0, sizeof(struct snd_usX2Y_hwdep_pcm_shm)); + memset(usx2y->hwdep_pcm_shm, 0, sizeof(struct snd_usx2y_hwdep_pcm_shm)); }

- mutex_lock(&usX2Y->pcm_mutex); - usX2Y_subs_prepare(subs); + mutex_lock(&usx2y->pcm_mutex); + usx2y_subs_prepare(subs); // Start hardware streams // SyncStream first.... - if (atomic_read(&capsubs->state) < state_PREPARED) { - if (usX2Y->format != runtime->format) - if ((err = usX2Y_format_set(usX2Y, runtime->format)) < 0) + if (atomic_read(&capsubs->state) < STATE_PREPARED) { + if (usx2y->format != runtime->format) + if ((err = usx2y_format_set(usx2y, runtime->format)) < 0) goto up_prepare_mutex; - if (usX2Y->rate != runtime->rate) - if ((err = usX2Y_rate_set(usX2Y, runtime->rate)) < 0) + if (usx2y->rate != runtime->rate) + if ((err = usx2y_rate_set(usx2y, runtime->rate)) < 0) goto up_prepare_mutex; snd_printdd("starting capture pipe for %s\n", subs == capsubs ? "self" : "playpipe"); - if (0 > (err = usX2Y_usbpcm_urbs_start(capsubs))) + if (0 > (err = usx2y_usbpcm_urbs_start(capsubs))) goto up_prepare_mutex; }

if (subs != capsubs) { - usX2Y->hwdep_pcm_shm->playback_iso_start = -1; - if (atomic_read(&subs->state) < state_PREPARED) { - while (usX2Y_iso_frames_per_buffer(runtime, usX2Y) > - usX2Y->hwdep_pcm_shm->captured_iso_frames) { + usx2y->hwdep_pcm_shm->playback_iso_start = -1; + if (atomic_read(&subs->state) < STATE_PREPARED) { + while (usx2y_iso_frames_per_buffer(runtime, usx2y) > + usx2y->hwdep_pcm_shm->captured_iso_frames) { snd_printdd("Wait: iso_frames_per_buffer=%i," "captured_iso_frames=%i\n", - usX2Y_iso_frames_per_buffer(runtime, usX2Y), - usX2Y->hwdep_pcm_shm->captured_iso_frames); + usx2y_iso_frames_per_buffer(runtime, usx2y), + usx2y->hwdep_pcm_shm->captured_iso_frames); if (msleep_interruptible(10)) { err = -ERESTARTSYS; goto up_prepare_mutex; } } - if (0 > (err = usX2Y_usbpcm_urbs_start(subs))) + if (0 > (err = usx2y_usbpcm_urbs_start(subs))) goto up_prepare_mutex; } snd_printdd("Ready: iso_frames_per_buffer=%i,captured_iso_frames=%i\n", - usX2Y_iso_frames_per_buffer(runtime, usX2Y), - usX2Y->hwdep_pcm_shm->captured_iso_frames); + usx2y_iso_frames_per_buffer(runtime, usx2y), + usx2y->hwdep_pcm_shm->captured_iso_frames); } else - usX2Y->hwdep_pcm_shm->capture_iso_start = -1; + usx2y->hwdep_pcm_shm->capture_iso_start = -1;

up_prepare_mutex: - mutex_unlock(&usX2Y->pcm_mutex); + mutex_unlock(&usx2y->pcm_mutex); return err; }

-static const struct snd_pcm_hardware snd_usX2Y_4c = +static const struct snd_pcm_hardware snd_usx2y_4c = { .info = (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED | SNDRV_PCM_INFO_BLOCK_TRANSFER | @@ -549,17 +549,17 @@ static const struct snd_pcm_hardware snd_usX2Y_4c =

-static int snd_usX2Y_usbpcm_open(struct snd_pcm_substream *substream) +static int snd_usx2y_usbpcm_open(struct snd_pcm_substream *substream) { - struct snd_usX2Y_substream *subs = ((struct snd_usX2Y_substream **) + struct snd_usx2y_substream *subs = ((struct snd_usx2y_substream **) snd_pcm_substream_chip(substream))[substream->stream]; struct snd_pcm_runtime *runtime = substream->runtime;

- if (!(subs->usX2Y->chip_status & USX2Y_STAT_CHIP_MMAP_PCM_URBS)) + if (!(subs->usx2y->chip_status & USX2Y_STAT_CHIP_MMAP_PCM_URBS)) return -EBUSY;

- runtime->hw = SNDRV_PCM_STREAM_PLAYBACK == substream->stream ? snd_usX2Y_2c : - (subs->usX2Y->subs[3] ? snd_usX2Y_4c : snd_usX2Y_2c); + runtime->hw = SNDRV_PCM_STREAM_PLAYBACK == substream->stream ? snd_usx2y_2c : + (subs->usx2y->subs[3] ? snd_usx2y_4c : snd_usx2y_2c); runtime->private_data = subs; subs->pcm_substream = substream; snd_pcm_hw_constraint_minmax(runtime, SNDRV_PCM_HW_PARAM_PERIOD_TIME, 1000, 200000); @@ -567,35 +567,35 @@ static int snd_usX2Y_usbpcm_open(struct snd_pcm_substream *substream) }

-static int snd_usX2Y_usbpcm_close(struct snd_pcm_substream *substream) +static int snd_usx2y_usbpcm_close(struct snd_pcm_substream *substream) { struct snd_pcm_runtime *runtime = substream->runtime; - struct snd_usX2Y_substream *subs = runtime->private_data; + struct snd_usx2y_substream *subs = runtime->private_data;

subs->pcm_substream = NULL; return 0; }

-static const struct snd_pcm_ops snd_usX2Y_usbpcm_ops = +static const struct snd_pcm_ops snd_usx2y_usbpcm_ops = { - .open = snd_usX2Y_usbpcm_open, - .close = snd_usX2Y_usbpcm_close, - .hw_params = snd_usX2Y_pcm_hw_params, - .hw_free = snd_usX2Y_usbpcm_hw_free, - .prepare = snd_usX2Y_usbpcm_prepare, - .trigger = snd_usX2Y_pcm_trigger, - .pointer = snd_usX2Y_pcm_pointer, + .open = snd_usx2y_usbpcm_open, + .close = snd_usx2y_usbpcm_close, + .hw_params = snd_usx2y_pcm_hw_params, + .hw_free = snd_usx2y_usbpcm_hw_free, + .prepare = snd_usx2y_usbpcm_prepare, + .trigger = snd_usx2y_pcm_trigger, + .pointer = snd_usx2y_pcm_pointer, };

-static int usX2Y_pcms_busy_check(struct snd_card *card) +static int usx2y_pcms_busy_check(struct snd_card *card) { - struct usX2Ydev *dev = usX2Y(card); + struct usx2ydev *dev = usx2y(card); int i;

for (i = 0; i < dev->pcm_devs * 2; i++) { - struct snd_usX2Y_substream *subs = dev->subs[i]; + struct snd_usx2y_substream *subs = dev->subs[i]; if (subs && subs->pcm_substream && SUBSTREAM_BUSY(subs->pcm_substream)) return -EBUSY; @@ -603,102 +603,102 @@ static int usX2Y_pcms_busy_check(struct snd_card *card) return 0; }

-static int snd_usX2Y_hwdep_pcm_open(struct snd_hwdep *hw, struct file *file) +static int snd_usx2y_hwdep_pcm_open(struct snd_hwdep *hw, struct file *file) { struct snd_card *card = hw->card; int err;

- mutex_lock(&usX2Y(card)->pcm_mutex); - err = usX2Y_pcms_busy_check(card); + mutex_lock(&usx2y(card)->pcm_mutex); + err = usx2y_pcms_busy_check(card); if (!err) - usX2Y(card)->chip_status |= USX2Y_STAT_CHIP_MMAP_PCM_URBS; - mutex_unlock(&usX2Y(card)->pcm_mutex); + usx2y(card)->chip_status |= USX2Y_STAT_CHIP_MMAP_PCM_URBS; + mutex_unlock(&usx2y(card)->pcm_mutex); return err; }

-static int snd_usX2Y_hwdep_pcm_release(struct snd_hwdep *hw, struct file *file) +static int snd_usx2y_hwdep_pcm_release(struct snd_hwdep *hw, struct file *file) { struct snd_card *card = hw->card; int err;

- mutex_lock(&usX2Y(card)->pcm_mutex); - err = usX2Y_pcms_busy_check(card); + mutex_lock(&usx2y(card)->pcm_mutex); + err = usx2y_pcms_busy_check(card); if (!err) - usX2Y(hw->card)->chip_status &= ~USX2Y_STAT_CHIP_MMAP_PCM_URBS; - mutex_unlock(&usX2Y(card)->pcm_mutex); + usx2y(hw->card)->chip_status &= ~USX2Y_STAT_CHIP_MMAP_PCM_URBS; + mutex_unlock(&usx2y(card)->pcm_mutex); return err; }

-static void snd_usX2Y_hwdep_pcm_vm_open(struct vm_area_struct *area) +static void snd_usx2y_hwdep_pcm_vm_open(struct vm_area_struct *area) { }

-static void snd_usX2Y_hwdep_pcm_vm_close(struct vm_area_struct *area) +static void snd_usx2y_hwdep_pcm_vm_close(struct vm_area_struct *area) { }

-static vm_fault_t snd_usX2Y_hwdep_pcm_vm_fault(struct vm_fault *vmf) +static vm_fault_t snd_usx2y_hwdep_pcm_vm_fault(struct vm_fault *vmf) { unsigned long offset; void *vaddr;

offset = vmf->pgoff << PAGE_SHIFT; - vaddr = (char *)((struct usX2Ydev *)vmf->vma->vm_private_data)->hwdep_pcm_shm + offset; + vaddr = (char *)((struct usx2ydev *)vmf->vma->vm_private_data)->hwdep_pcm_shm + offset; vmf->page = virt_to_page(vaddr); get_page(vmf->page); return 0; }

-static const struct vm_operations_struct snd_usX2Y_hwdep_pcm_vm_ops = { - .open = snd_usX2Y_hwdep_pcm_vm_open, - .close = snd_usX2Y_hwdep_pcm_vm_close, - .fault = snd_usX2Y_hwdep_pcm_vm_fault, +static const struct vm_operations_struct snd_usx2y_hwdep_pcm_vm_ops = { + .open = snd_usx2y_hwdep_pcm_vm_open, + .close = snd_usx2y_hwdep_pcm_vm_close, + .fault = snd_usx2y_hwdep_pcm_vm_fault, };

-static int snd_usX2Y_hwdep_pcm_mmap(struct snd_hwdep * hw, struct file *filp, struct vm_area_struct *area) +static int snd_usx2y_hwdep_pcm_mmap(struct snd_hwdep * hw, struct file *filp, struct vm_area_struct *area) { unsigned long size = (unsigned long)(area->vm_end - area->vm_start); - struct usX2Ydev *usX2Y = hw->private_data; + struct usx2ydev *usx2y = hw->private_data;

- if (!(usX2Y->chip_status & USX2Y_STAT_CHIP_INIT)) + if (!(usx2y->chip_status & USX2Y_STAT_CHIP_INIT)) return -EBUSY;

/* if userspace tries to mmap beyond end of our buffer, fail */ - if (size > PAGE_ALIGN(sizeof(struct snd_usX2Y_hwdep_pcm_shm))) { - snd_printd("%lu > %lu\n", size, (unsigned long)sizeof(struct snd_usX2Y_hwdep_pcm_shm)); + if (size > PAGE_ALIGN(sizeof(struct snd_usx2y_hwdep_pcm_shm))) { + snd_printd("%lu > %lu\n", size, (unsigned long)sizeof(struct snd_usx2y_hwdep_pcm_shm)); return -EINVAL; }

- if (!usX2Y->hwdep_pcm_shm) { + if (!usx2y->hwdep_pcm_shm) { return -ENODEV; } - area->vm_ops = &snd_usX2Y_hwdep_pcm_vm_ops; + area->vm_ops = &snd_usx2y_hwdep_pcm_vm_ops; area->vm_flags |= VM_DONTEXPAND | VM_DONTDUMP; area->vm_private_data = hw->private_data; return 0; }

-static void snd_usX2Y_hwdep_pcm_private_free(struct snd_hwdep *hwdep) +static void snd_usx2y_hwdep_pcm_private_free(struct snd_hwdep *hwdep) { - struct usX2Ydev *usX2Y = hwdep->private_data; - if (NULL != usX2Y->hwdep_pcm_shm) - free_pages_exact(usX2Y->hwdep_pcm_shm, sizeof(struct snd_usX2Y_hwdep_pcm_shm)); + struct usx2ydev *usx2y = hwdep->private_data; + if (NULL != usx2y->hwdep_pcm_shm) + free_pages_exact(usx2y->hwdep_pcm_shm, sizeof(struct snd_usx2y_hwdep_pcm_shm)); }

-int usX2Y_hwdep_pcm_new(struct snd_card *card) +int usx2y_hwdep_pcm_new(struct snd_card *card) { int err; struct snd_hwdep *hw; struct snd_pcm *pcm; - struct usb_device *dev = usX2Y(card)->dev; + struct usb_device *dev = usx2y(card)->dev; if (1 != nr_of_packs()) return 0;

@@ -706,11 +706,11 @@ int usX2Y_hwdep_pcm_new(struct snd_card *card) return err;

hw->iface = SNDRV_HWDEP_IFACE_USX2Y_PCM; - hw->private_data = usX2Y(card); - hw->private_free = snd_usX2Y_hwdep_pcm_private_free; - hw->ops.open = snd_usX2Y_hwdep_pcm_open; - hw->ops.release = snd_usX2Y_hwdep_pcm_release; - hw->ops.mmap = snd_usX2Y_hwdep_pcm_mmap; + hw->private_data = usx2y(card); + hw->private_free = snd_usx2y_hwdep_pcm_private_free; + hw->ops.open = snd_usx2y_hwdep_pcm_open; + hw->ops.release = snd_usx2y_hwdep_pcm_release; + hw->ops.mmap = snd_usx2y_hwdep_pcm_mmap; hw->exclusive = 1; sprintf(hw->name, "/dev/bus/usb/%03d/%03d/hwdeppcm", dev->bus->busnum, dev->devnum);

@@ -718,10 +718,10 @@ int usX2Y_hwdep_pcm_new(struct snd_card *card) if (err < 0) { return err; } - snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_usX2Y_usbpcm_ops); - snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_usX2Y_usbpcm_ops); + snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_usx2y_usbpcm_ops); + snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_usx2y_usbpcm_ops);

- pcm->private_data = usX2Y(card)->subs; + pcm->private_data = usx2y(card)->subs; pcm->info_flags = 0;

sprintf(pcm->name, NAME_ALLCAPS" hwdep Audio"); @@ -739,7 +739,7 @@ int usX2Y_hwdep_pcm_new(struct snd_card *card)

#else

-int usX2Y_hwdep_pcm_new(struct snd_card *card) +int usx2y_hwdep_pcm_new(struct snd_card *card) { return 0; } diff --git a/sound/usb/usx2y/usx2yhwdeppcm.h b/sound/usb/usx2y/usx2yhwdeppcm.h index eb5a46466f0e..731b1c5a3474 100644 --- a/sound/usb/usx2y/usx2yhwdeppcm.h +++ b/sound/usb/usx2y/usx2yhwdeppcm.h @@ -4,7 +4,7 @@ #define MAXSTRIDE 3

#define SSS (((MAXPACK*MAXBUFFERMS*MAXSTRIDE + 4096) / 4096) * 4096) -struct snd_usX2Y_hwdep_pcm_shm { +struct snd_usx2y_hwdep_pcm_shm { char playback[SSS]; char capture0x8[SSS]; char capture0xA[SSS]; @@ -20,4 +20,4 @@ struct snd_usX2Y_hwdep_pcm_shm { int capture_iso_start; };

-int usX2Y_hwdep_pcm_new(struct snd_card *card); +int usx2y_hwdep_pcm_new(struct snd_card *card);

From: Takashi Sakamoto o-takashi@sakamocchi.jp

[ Upstream commit 5d6fb80a142b5994355ce675c517baba6089d199 ]

This reverts commit 0edabdfe89581669609eaac5f6a8d0ae6fe95e7f.

I've explained that optional FireWire card for d.2 is also built-in to d.2 Pro, however it's wrong. The optional card uses DM1000 ASIC and has 'Mackie DJ Mixer' in its model name of configuration ROM. On the other hand, built-in FireWire card for d.2 Pro and d.4 Pro uses OXFW971 ASIC and has 'd.Pro' in its model name according to manuals and user experiences. The former card is not the card for d.2 Pro. They are similar in appearance but different internally.

Signed-off-by: Takashi Sakamoto o-takashi@sakamocchi.jp Link: https://lore.kernel.org/r/20210518084557.102681-2-o-takashi@sakamocchi.jp Signed-off-by: Takashi Iwai tiwai@suse.de Signed-off-by: Sasha Levin sashal@kernel.org --- sound/firewire/Kconfig | 4 ++-- sound/firewire/bebob/bebob.c | 2 +- sound/firewire/oxfw/oxfw.c | 2 +- 3 files changed, 4 insertions(+), 4 deletions(-)

diff --git a/sound/firewire/Kconfig b/sound/firewire/Kconfig index 9897bd26a438..def1f3d5ecf5 100644 --- a/sound/firewire/Kconfig +++ b/sound/firewire/Kconfig @@ -38,7 +38,7 @@ config SND_OXFW * Mackie(Loud) Onyx 1640i (former model) * Mackie(Loud) Onyx Satellite * Mackie(Loud) Tapco Link.Firewire - * Mackie(Loud) d.4 pro + * Mackie(Loud) d.2 pro/d.4 pro (built-in FireWire card with OXFW971 ASIC) * Mackie(Loud) U.420/U.420d * TASCAM FireOne * Stanton Controllers & Systems 1 Deck/Mixer @@ -84,7 +84,7 @@ config SND_BEBOB * PreSonus FIREBOX/FIREPOD/FP10/Inspire1394 * BridgeCo RDAudio1/Audio5 * Mackie Onyx 1220/1620/1640 (FireWire I/O Card) - * Mackie d.2 (FireWire Option) and d.2 Pro + * Mackie d.2 (optional FireWire card with DM1000 ASIC) * Stanton FinalScratch 2 (ScratchAmp) * Tascam IF-FW/DM * Behringer XENIX UFX 1204/1604 diff --git a/sound/firewire/bebob/bebob.c b/sound/firewire/bebob/bebob.c index daeecfa8b9aa..90e98a6d1546 100644 --- a/sound/firewire/bebob/bebob.c +++ b/sound/firewire/bebob/bebob.c @@ -387,7 +387,7 @@ static const struct ieee1394_device_id bebob_id_table[] = { SND_BEBOB_DEV_ENTRY(VEN_BRIDGECO, 0x00010049, &spec_normal), /* Mackie, Onyx 1220/1620/1640 (Firewire I/O Card) */ SND_BEBOB_DEV_ENTRY(VEN_MACKIE2, 0x00010065, &spec_normal), - // Mackie, d.2 (Firewire option card) and d.2 Pro (the card is built-in). + // Mackie, d.2 (optional Firewire card with DM1000). SND_BEBOB_DEV_ENTRY(VEN_MACKIE1, 0x00010067, &spec_normal), /* Stanton, ScratchAmp */ SND_BEBOB_DEV_ENTRY(VEN_STANTON, 0x00000001, &spec_normal), diff --git a/sound/firewire/oxfw/oxfw.c b/sound/firewire/oxfw/oxfw.c index 9eea25c46dc7..5490637d278a 100644 --- a/sound/firewire/oxfw/oxfw.c +++ b/sound/firewire/oxfw/oxfw.c @@ -355,7 +355,7 @@ static const struct ieee1394_device_id oxfw_id_table[] = { * Onyx-i series (former models): 0x081216 * Mackie Onyx Satellite: 0x00200f * Tapco LINK.firewire 4x6: 0x000460 - * d.4 pro: Unknown + * d.2 pro/d.4 pro (built-in card): Unknown * U.420: Unknown * U.420d: Unknown */

From: Luiz Sampaio sampaio.ime@gmail.com

[ Upstream commit 1f5e7518f063728aee0679c5086b92d8ea429e11 ]

The purpose of the w1_ds2438_get_page function is to get the register values at the page passed as the pageno parameter. However, the page0 was hardcoded, such that the function always returned the page0 contents. Fixed so that the function can retrieve any page.

Signed-off-by: Luiz Sampaio sampaio.ime@gmail.com Link: https://lore.kernel.org/r/20210519223046.13798-5-sampaio.ime@gmail.com Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org Signed-off-by: Sasha Levin sashal@kernel.org --- drivers/w1/slaves/w1_ds2438.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/w1/slaves/w1_ds2438.c b/drivers/w1/slaves/w1_ds2438.c index 5cfb0ae23e91..5698566b0ee0 100644 --- a/drivers/w1/slaves/w1_ds2438.c +++ b/drivers/w1/slaves/w1_ds2438.c @@ -62,13 +62,13 @@ static int w1_ds2438_get_page(struct w1_slave *sl, int pageno, u8 *buf) if (w1_reset_select_slave(sl)) continue; w1_buf[0] = W1_DS2438_RECALL_MEMORY; - w1_buf[1] = 0x00; + w1_buf[1] = (u8)pageno; w1_write_block(sl->master, w1_buf, 2);

if (w1_reset_select_slave(sl)) continue; w1_buf[0] = W1_DS2438_READ_SCRATCH; - w1_buf[1] = 0x00; + w1_buf[1] = (u8)pageno; w1_write_block(sl->master, w1_buf, 2);

count = w1_read_block(sl->master, buf, DS2438_PAGE_SIZE + 1);

From: ching Huang ching2048@areca.com.tw

[ Upstream commit d9a231226f28261a787535e08d0c78669e1ad010 ]

It is possible for the IOP to be delayed in updating the doorbell status. The doorbell status should not be 0 so loop until the value changes.

Link: https://lore.kernel.org/r/afdfdf7eabecf14632492c4987a6b9ac6312a7ad.camel@are... Signed-off-by: ching Huang ching2048@areca.com.tw Signed-off-by: Martin K. Petersen martin.petersen@oracle.com Signed-off-by: Sasha Levin sashal@kernel.org --- drivers/scsi/arcmsr/arcmsr_hba.c | 11 +++++++++-- 1 file changed, 9 insertions(+), 2 deletions(-)

diff --git a/drivers/scsi/arcmsr/arcmsr_hba.c b/drivers/scsi/arcmsr/arcmsr_hba.c index 930972cda38c..42e494a7106c 100644 --- a/drivers/scsi/arcmsr/arcmsr_hba.c +++ b/drivers/scsi/arcmsr/arcmsr_hba.c @@ -2419,10 +2419,17 @@ static void arcmsr_hbaD_doorbell_isr(struct AdapterControlBlock *pACB)

static void arcmsr_hbaE_doorbell_isr(struct AdapterControlBlock *pACB) { - uint32_t outbound_doorbell, in_doorbell, tmp; + uint32_t outbound_doorbell, in_doorbell, tmp, i; struct MessageUnit_E __iomem *reg = pACB->pmuE;

- in_doorbell = readl(&reg->iobound_doorbell); + if (pACB->adapter_type == ACB_ADAPTER_TYPE_F) { + for (i = 0; i < 5; i++) { + in_doorbell = readl(&reg->iobound_doorbell); + if (in_doorbell != 0) + break; + } + } else + in_doorbell = readl(&reg->iobound_doorbell); outbound_doorbell = in_doorbell ^ pACB->in_doorbell; do { writel(0, &reg->host_int_status); /* clear interrupt */

From: James Smart jsmart2021@gmail.com

[ Upstream commit e30d55137edef47434c40d7570276a0846fe922c ]

An 'unexpected timeout' message may be seen in a point-2-point topology. The message occurs when a PLOGI is received before the driver is notified of FLOGI completion. The FLOGI completion failure causes discovery to be triggered for a second time. The discovery timer is restarted but no new discovery activity is initiated, thus the timeout message eventually appears.

In point-2-point, when discovery has progressed before the FLOGI completion is processed, it is not a failure. Add code to FLOGI completion to detect that discovery has progressed and exit the FLOGI handling (noop'ing it).

Link: https://lore.kernel.org/r/20210514195559.119853-4-jsmart2021@gmail.com Co-developed-by: Justin Tee justin.tee@broadcom.com Signed-off-by: Justin Tee justin.tee@broadcom.com Signed-off-by: James Smart jsmart2021@gmail.com Signed-off-by: Martin K. Petersen martin.petersen@oracle.com Signed-off-by: Sasha Levin sashal@kernel.org --- drivers/scsi/lpfc/lpfc_els.c | 9 +++++++++ 1 file changed, 9 insertions(+)

diff --git a/drivers/scsi/lpfc/lpfc_els.c b/drivers/scsi/lpfc/lpfc_els.c index 5c4172e8c81b..3b72aea9d15d 100644 --- a/drivers/scsi/lpfc/lpfc_els.c +++ b/drivers/scsi/lpfc/lpfc_els.c @@ -1175,6 +1175,15 @@ stop_rr_fcf_flogi: phba->fcf.fcf_redisc_attempted = 0; /* reset */ goto out; } + } else if (vport->port_state > LPFC_FLOGI && + vport->fc_flag & FC_PT2PT) { + /* + * In a p2p topology, it is possible that discovery has + * already progressed, and this completion can be ignored. + * Recheck the indicated topology. + */ + if (!sp->cmn.fPort) + goto out; }

flogifail:

From: John Garry john.garry@huawei.com

[ Upstream commit ea2f0f77538c50739b9fb4de4700cee5535e1f77 ]

The sysfs handling function sdev_store_queue_depth() enforces that the sdev queue depth cannot exceed shost can_queue. The initial sdev queue depth comes from shost cmd_per_lun. However, the LLDD may manually set cmd_per_lun to be larger than can_queue, which leads to an initial sdev queue depth greater than can_queue.

Such an issue was reported in [0], which caused a hang. That has since been fixed in commit fc09acb7de31 ("scsi: scsi_debug: Fix cmd_per_lun, set to max_queue").

Stop this possibly happening for other drivers by capping shost cmd_per_lun at shost can_queue.

[0] https://lore.kernel.org/linux-scsi/YHaez6iN2HHYxYOh@T590/

Link: https://lore.kernel.org/r/1621434662-173079-1-git-send-email-john.garry@huaw... Reviewed-by: Ming Lei ming.lei@redhat.com Reviewed-by: Bart Van Assche bvanassche@acm.org Signed-off-by: John Garry john.garry@huawei.com Signed-off-by: Martin K. Petersen martin.petersen@oracle.com Signed-off-by: Sasha Levin sashal@kernel.org --- drivers/scsi/hosts.c | 3 +++ 1 file changed, 3 insertions(+)

diff --git a/drivers/scsi/hosts.c b/drivers/scsi/hosts.c index bd0dcb540f82..da3920a19d53 100644 --- a/drivers/scsi/hosts.c +++ b/drivers/scsi/hosts.c @@ -220,6 +220,9 @@ int scsi_add_host_with_dma(struct Scsi_Host *shost, struct device *dev, goto fail; }

+ shost->cmd_per_lun = min_t(short, shost->cmd_per_lun, + shost->can_queue); + error = scsi_init_sense_cache(shost); if (error) goto fail;

From: Christophe JAILLET christophe.jaillet@wanadoo.fr

[ Upstream commit fad92b11047a748c996ebd6cfb164a63814eeb2e ]

In the probe function, if the final 'serial_config()' fails, 'info' is leaking.

Add a resource handling path to free this memory.

Signed-off-by: Christophe JAILLET christophe.jaillet@wanadoo.fr Link: https://lore.kernel.org/r/dc25f96b7faebf42e60fe8d02963c941cf4d8124.162197172... Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org Signed-off-by: Sasha Levin sashal@kernel.org --- drivers/tty/serial/8250/serial_cs.c | 11 ++++++++++- 1 file changed, 10 insertions(+), 1 deletion(-)

diff --git a/drivers/tty/serial/8250/serial_cs.c b/drivers/tty/serial/8250/serial_cs.c index 1cc749903d12..ff6a95a35226 100644 --- a/drivers/tty/serial/8250/serial_cs.c +++ b/drivers/tty/serial/8250/serial_cs.c @@ -306,6 +306,7 @@ static int serial_resume(struct pcmcia_device *link) static int serial_probe(struct pcmcia_device *link) { struct serial_info *info; + int ret;

dev_dbg(&link->dev, "serial_attach()\n");

@@ -320,7 +321,15 @@ static int serial_probe(struct pcmcia_device *link) if (do_sound) link->config_flags |= CONF_ENABLE_SPKR;

- return serial_config(link); + ret = serial_config(link); + if (ret) + goto free_info; + + return 0; + +free_info: + kfree(info); + return ret; }

static void serial_detach(struct pcmcia_device *link)

From: Hannes Reinecke hare@suse.de

[ Upstream commit 8793613de913e03e7c884f4cc56e350bc716431e ]

The description for scsi_mode_sense() claims to return the number of valid bytes on success, which is not what the code does. Additionally there is no gain in returning the SCSI status, as everything the callers do is to check against scsi_result_is_good(), which is what scsi_mode_sense() does already. So change the calling convention to return a standard error code on failure, and 0 on success, and adapt the description and all callers.

Link: https://lore.kernel.org/r/20210427083046.31620-4-hare@suse.de Reviewed-by: Bart Van Assche bvanassche@acm.org Signed-off-by: Hannes Reinecke hare@suse.de Signed-off-by: Martin K. Petersen martin.petersen@oracle.com Signed-off-by: Sasha Levin sashal@kernel.org --- drivers/scsi/scsi_lib.c | 10 ++++++---- drivers/scsi/scsi_transport_sas.c | 9 ++++----- drivers/scsi/sd.c | 12 ++++++------ drivers/scsi/sr.c | 2 +- 4 files changed, 17 insertions(+), 16 deletions(-)

diff --git a/drivers/scsi/scsi_lib.c b/drivers/scsi/scsi_lib.c index e172c660dcd5..1b02556f9ec0 100644 --- a/drivers/scsi/scsi_lib.c +++ b/drivers/scsi/scsi_lib.c @@ -2081,9 +2081,7 @@ EXPORT_SYMBOL_GPL(scsi_mode_select); * @sshdr: place to put sense data (or NULL if no sense to be collected). * must be SCSI_SENSE_BUFFERSIZE big. * - * Returns zero if unsuccessful, or the header offset (either 4 - * or 8 depending on whether a six or ten byte command was - * issued) if successful. + * Returns zero if successful, or a negative error number on failure */ int scsi_mode_sense(struct scsi_device *sdev, int dbd, int modepage, @@ -2130,6 +2128,8 @@ scsi_mode_sense(struct scsi_device *sdev, int dbd, int modepage,

result = scsi_execute_req(sdev, cmd, DMA_FROM_DEVICE, buffer, len, sshdr, timeout, retries, NULL); + if (result < 0) + return result;

/* This code looks awful: what it's doing is making sure an * ILLEGAL REQUEST sense return identifies the actual command @@ -2174,13 +2174,15 @@ scsi_mode_sense(struct scsi_device *sdev, int dbd, int modepage, data->block_descriptor_length = buffer[3]; } data->header_length = header_length; + result = 0; } else if ((status_byte(result) == CHECK_CONDITION) && scsi_sense_valid(sshdr) && sshdr->sense_key == UNIT_ATTENTION && retry_count) { retry_count--; goto retry; } - + if (result > 0) + result = -EIO; return result; } EXPORT_SYMBOL(scsi_mode_sense); diff --git a/drivers/scsi/scsi_transport_sas.c b/drivers/scsi/scsi_transport_sas.c index c9abed8429c9..4a96fb05731d 100644 --- a/drivers/scsi/scsi_transport_sas.c +++ b/drivers/scsi/scsi_transport_sas.c @@ -1229,16 +1229,15 @@ int sas_read_port_mode_page(struct scsi_device *sdev) char *buffer = kzalloc(BUF_SIZE, GFP_KERNEL), *msdata; struct sas_end_device *rdev = sas_sdev_to_rdev(sdev); struct scsi_mode_data mode_data; - int res, error; + int error;

if (!buffer) return -ENOMEM;

- res = scsi_mode_sense(sdev, 1, 0x19, buffer, BUF_SIZE, 30*HZ, 3, - &mode_data, NULL); + error = scsi_mode_sense(sdev, 1, 0x19, buffer, BUF_SIZE, 30*HZ, 3, + &mode_data, NULL);

- error = -EINVAL; - if (!scsi_status_is_good(res)) + if (error) goto out;

msdata = buffer + mode_data.header_length + diff --git a/drivers/scsi/sd.c b/drivers/scsi/sd.c index a0356f3707b8..3431ac12b730 100644 --- a/drivers/scsi/sd.c +++ b/drivers/scsi/sd.c @@ -2683,18 +2683,18 @@ sd_read_write_protect_flag(struct scsi_disk *sdkp, unsigned char *buffer) * 5: Illegal Request, Sense Code 24: Invalid field in * CDB. */ - if (!scsi_status_is_good(res)) + if (res < 0) res = sd_do_mode_sense(sdkp, 0, 0, buffer, 4, &data, NULL);

/* * Third attempt: ask 255 bytes, as we did earlier. */ - if (!scsi_status_is_good(res)) + if (res < 0) res = sd_do_mode_sense(sdkp, 0, 0x3F, buffer, 255, &data, NULL); }

- if (!scsi_status_is_good(res)) { + if (res < 0) { sd_first_printk(KERN_WARNING, sdkp, "Test WP failed, assume Write Enabled\n"); } else { @@ -2755,7 +2755,7 @@ sd_read_cache_type(struct scsi_disk *sdkp, unsigned char *buffer) res = sd_do_mode_sense(sdkp, dbd, modepage, buffer, first_len, &data, &sshdr);

- if (!scsi_status_is_good(res)) + if (res < 0) goto bad_sense;

if (!data.header_length) { @@ -2787,7 +2787,7 @@ sd_read_cache_type(struct scsi_disk *sdkp, unsigned char *buffer) res = sd_do_mode_sense(sdkp, dbd, modepage, buffer, len, &data, &sshdr);

- if (scsi_status_is_good(res)) { + if (!res) { int offset = data.header_length + data.block_descriptor_length;

while (offset < len) { @@ -2905,7 +2905,7 @@ static void sd_read_app_tag_own(struct scsi_disk *sdkp, unsigned char *buffer) res = scsi_mode_sense(sdp, 1, 0x0a, buffer, 36, SD_TIMEOUT, sdkp->max_retries, &data, &sshdr);

- if (!scsi_status_is_good(res) || !data.header_length || + if (res < 0 || !data.header_length || data.length < 6) { sd_first_printk(KERN_WARNING, sdkp, "getting Control mode page failed, assume no ATO\n"); diff --git a/drivers/scsi/sr.c b/drivers/scsi/sr.c index 7815ed642d43..1a94c7b1de2d 100644 --- a/drivers/scsi/sr.c +++ b/drivers/scsi/sr.c @@ -913,7 +913,7 @@ static void get_capabilities(struct scsi_cd *cd) rc = scsi_mode_sense(cd->device, 0, 0x2a, buffer, ms_len, SR_TIMEOUT, 3, &data, NULL);

- if (!scsi_status_is_good(rc) || data.length > ms_len || + if (rc < 0 || data.length > ms_len || data.header_length + data.block_descriptor_length > data.length) { /* failed, drive doesn't have capabilities mode page */ cd->cdi.speed = 1;

From: Jiapeng Chong jiapeng.chong@linux.alibaba.com

[ Upstream commit 492109333c29e1bb16d8732e1d597b02e8e0bf2e ]

The error code is missing in this code scenario, add the error code '-EINVAL' to the return value 'rc.

Eliminate the follow smatch warning:

fs/jfs/jfs_logmgr.c:1327 lmLogInit() warn: missing error code 'rc'.

Reported-by: Abaci Robot abaci@linux.alibaba.com Signed-off-by: Jiapeng Chong jiapeng.chong@linux.alibaba.com Signed-off-by: Dave Kleikamp dave.kleikamp@oracle.com Signed-off-by: Sasha Levin sashal@kernel.org --- fs/jfs/jfs_logmgr.c | 1 + 1 file changed, 1 insertion(+)

diff --git a/fs/jfs/jfs_logmgr.c b/fs/jfs/jfs_logmgr.c index 9330eff210e0..78fd136ac13b 100644 --- a/fs/jfs/jfs_logmgr.c +++ b/fs/jfs/jfs_logmgr.c @@ -1324,6 +1324,7 @@ int lmLogInit(struct jfs_log * log) } else { if (!uuid_equal(&logsuper->uuid, &log->uuid)) { jfs_warn("wrong uuid on JFS log device"); + rc = -EINVAL; goto errout20; } log->size = le32_to_cpu(logsuper->size);

From: Kashyap Desai kashyap.desai@broadcom.com

[ Upstream commit ae6874ba4b43c5a00065f48599811a09d33b873d ]

Consider the case where a VD is deleted and the targetID of that VD is assigned to a newly created VD. If the sequence of deletion/addition of VD happens very quickly there is a possibility that second event (VD add) occurs even before the driver processes the first event (VD delete). As event processing is done in deferred context the device list remains the same (but targetID is re-used) so driver will not learn the VD deletion/additon. I/Os meant for the older VD will be directed to new VD which may lead to data corruption.

Make driver detect the deleted VD as soon as possible based on the RaidMap update and block further I/O to that device.

Link: https://lore.kernel.org/r/20210528131307.25683-4-chandrakanth.patil@broadcom... Reported-by: kernel test robot lkp@intel.com Signed-off-by: Kashyap Desai kashyap.desai@broadcom.com Signed-off-by: Chandrakanth Patil chandrakanth.patil@broadcom.com Signed-off-by: Martin K. Petersen martin.petersen@oracle.com Signed-off-by: Sasha Levin sashal@kernel.org --- drivers/scsi/megaraid/megaraid_sas.h | 12 ++++ drivers/scsi/megaraid/megaraid_sas_base.c | 83 ++++++++++++++++++++--- drivers/scsi/megaraid/megaraid_sas_fp.c | 6 +- 3 files changed, 92 insertions(+), 9 deletions(-)

diff --git a/drivers/scsi/megaraid/megaraid_sas.h b/drivers/scsi/megaraid/megaraid_sas.h index 0f808d63580e..69fed9318468 100644 --- a/drivers/scsi/megaraid/megaraid_sas.h +++ b/drivers/scsi/megaraid/megaraid_sas.h @@ -2259,6 +2259,15 @@ enum MR_PERF_MODE { (mode) == MR_LATENCY_PERF_MODE ? "Latency" : \ "Unknown")

+enum MEGASAS_LD_TARGET_ID_STATUS { + LD_TARGET_ID_INITIAL, + LD_TARGET_ID_ACTIVE, + LD_TARGET_ID_DELETED, +}; + +#define MEGASAS_TARGET_ID(sdev) \ + (((sdev->channel % 2) * MEGASAS_MAX_DEV_PER_CHANNEL) + sdev->id) + struct megasas_instance {

unsigned int *reply_map; @@ -2323,6 +2332,9 @@ struct megasas_instance { struct megasas_pd_list pd_list[MEGASAS_MAX_PD]; struct megasas_pd_list local_pd_list[MEGASAS_MAX_PD]; u8 ld_ids[MEGASAS_MAX_LD_IDS]; + u8 ld_tgtid_status[MEGASAS_MAX_LD_IDS]; + u8 ld_ids_prev[MEGASAS_MAX_LD_IDS]; + u8 ld_ids_from_raidmap[MEGASAS_MAX_LD_IDS]; s8 init_id;

u16 max_num_sge; diff --git a/drivers/scsi/megaraid/megaraid_sas_base.c b/drivers/scsi/megaraid/megaraid_sas_base.c index 7ab741f03b84..c9c8a5e4925c 100644 --- a/drivers/scsi/megaraid/megaraid_sas_base.c +++ b/drivers/scsi/megaraid/megaraid_sas_base.c @@ -132,6 +132,8 @@ static int megasas_register_aen(struct megasas_instance *instance, u32 seq_num, u32 class_locale_word); static void megasas_get_pd_info(struct megasas_instance *instance, struct scsi_device *sdev); +static void +megasas_set_ld_removed_by_fw(struct megasas_instance *instance);

/* * PCI ID table for all supported controllers @@ -426,6 +428,12 @@ megasas_decode_evt(struct megasas_instance *instance) (class_locale.members.locale), format_class(class_locale.members.class), evt_detail->description); + + if (megasas_dbg_lvl & LD_PD_DEBUG) + dev_info(&instance->pdev->dev, + "evt_detail.args.ld.target_id/index %d/%d\n", + evt_detail->args.ld.target_id, evt_detail->args.ld.ld_index); + }

/* @@ -1769,6 +1777,7 @@ megasas_queue_command(struct Scsi_Host *shost, struct scsi_cmnd *scmd) { struct megasas_instance *instance; struct MR_PRIV_DEVICE *mr_device_priv_data; + u32 ld_tgt_id;

instance = (struct megasas_instance *) scmd->device->host->hostdata; @@ -1795,17 +1804,21 @@ megasas_queue_command(struct Scsi_Host *shost, struct scsi_cmnd *scmd) } }

- if (atomic_read(&instance->adprecovery) == MEGASAS_HW_CRITICAL_ERROR) { + mr_device_priv_data = scmd->device->hostdata; + if (!mr_device_priv_data || + (atomic_read(&instance->adprecovery) == MEGASAS_HW_CRITICAL_ERROR)) { scmd->result = DID_NO_CONNECT << 16; scmd->scsi_done(scmd); return 0; }

- mr_device_priv_data = scmd->device->hostdata; - if (!mr_device_priv_data) { - scmd->result = DID_NO_CONNECT << 16; - scmd->scsi_done(scmd); - return 0; + if (MEGASAS_IS_LOGICAL(scmd->device)) { + ld_tgt_id = MEGASAS_TARGET_ID(scmd->device); + if (instance->ld_tgtid_status[ld_tgt_id] == LD_TARGET_ID_DELETED) { + scmd->result = DID_NO_CONNECT << 16; + scmd->scsi_done(scmd); + return 0; + } }

if (atomic_read(&instance->adprecovery) != MEGASAS_HBA_OPERATIONAL) @@ -2085,7 +2098,7 @@ static int megasas_slave_configure(struct scsi_device *sdev)

static int megasas_slave_alloc(struct scsi_device *sdev) { - u16 pd_index = 0; + u16 pd_index = 0, ld_tgt_id; struct megasas_instance *instance ; struct MR_PRIV_DEVICE *mr_device_priv_data;

@@ -2110,6 +2123,14 @@ scan_target: GFP_KERNEL); if (!mr_device_priv_data) return -ENOMEM; + + if (MEGASAS_IS_LOGICAL(sdev)) { + ld_tgt_id = MEGASAS_TARGET_ID(sdev); + instance->ld_tgtid_status[ld_tgt_id] = LD_TARGET_ID_ACTIVE; + if (megasas_dbg_lvl & LD_PD_DEBUG) + sdev_printk(KERN_INFO, sdev, "LD target ID %d created.\n", ld_tgt_id); + } + sdev->hostdata = mr_device_priv_data;

atomic_set(&mr_device_priv_data->r1_ldio_hint, @@ -2119,6 +2140,19 @@ scan_target:

static void megasas_slave_destroy(struct scsi_device *sdev) { + u16 ld_tgt_id; + struct megasas_instance *instance; + + instance = megasas_lookup_instance(sdev->host->host_no); + + if (MEGASAS_IS_LOGICAL(sdev)) { + ld_tgt_id = MEGASAS_TARGET_ID(sdev); + instance->ld_tgtid_status[ld_tgt_id] = LD_TARGET_ID_DELETED; + if (megasas_dbg_lvl & LD_PD_DEBUG) + sdev_printk(KERN_INFO, sdev, + "LD target ID %d removed from OS stack\n", ld_tgt_id); + } + kfree(sdev->hostdata); sdev->hostdata = NULL; } @@ -3491,6 +3525,22 @@ megasas_complete_abort(struct megasas_instance *instance, } }

+static void +megasas_set_ld_removed_by_fw(struct megasas_instance *instance) +{ + uint i; + + for (i = 0; (i < MEGASAS_MAX_LD_IDS); i++) { + if (instance->ld_ids_prev[i] != 0xff && + instance->ld_ids_from_raidmap[i] == 0xff) { + if (megasas_dbg_lvl & LD_PD_DEBUG) + dev_info(&instance->pdev->dev, + "LD target ID %d removed from RAID map\n", i); + instance->ld_tgtid_status[i] = LD_TARGET_ID_DELETED; + } + } +} + /** * megasas_complete_cmd - Completes a command * @instance: Adapter soft state @@ -3653,9 +3703,13 @@ megasas_complete_cmd(struct megasas_instance *instance, struct megasas_cmd *cmd, fusion->fast_path_io = 0; }

+ if (instance->adapter_type >= INVADER_SERIES) + megasas_set_ld_removed_by_fw(instance); + megasas_sync_map_info(instance); spin_unlock_irqrestore(instance->host->host_lock, flags); + break; } if (opcode == MR_DCMD_CTRL_EVENT_GET_INFO || @@ -8764,8 +8818,10 @@ megasas_aen_polling(struct work_struct *work) union megasas_evt_class_locale class_locale; int event_type = 0; u32 seq_num; + u16 ld_target_id; int error; u8 dcmd_ret = DCMD_SUCCESS; + struct scsi_device *sdev1;

if (!instance) { printk(KERN_ERR "invalid instance!\n"); @@ -8788,12 +8844,23 @@ megasas_aen_polling(struct work_struct *work) break;

case MR_EVT_LD_OFFLINE: - case MR_EVT_CFG_CLEARED: case MR_EVT_LD_DELETED: + ld_target_id = instance->evt_detail->args.ld.target_id; + sdev1 = scsi_device_lookup(instance->host, + MEGASAS_MAX_PD_CHANNELS + + (ld_target_id / MEGASAS_MAX_DEV_PER_CHANNEL), + (ld_target_id - MEGASAS_MAX_DEV_PER_CHANNEL), + 0); + if (sdev1) + megasas_remove_scsi_device(sdev1); + + event_type = SCAN_VD_CHANNEL; + break; case MR_EVT_LD_CREATED: event_type = SCAN_VD_CHANNEL; break;

+ case MR_EVT_CFG_CLEARED: case MR_EVT_CTRL_HOST_BUS_SCAN_REQUESTED: case MR_EVT_FOREIGN_CFG_IMPORTED: case MR_EVT_LD_STATE_CHANGE: diff --git a/drivers/scsi/megaraid/megaraid_sas_fp.c b/drivers/scsi/megaraid/megaraid_sas_fp.c index b6c08d620033..83f69c33b01a 100644 --- a/drivers/scsi/megaraid/megaraid_sas_fp.c +++ b/drivers/scsi/megaraid/megaraid_sas_fp.c @@ -349,6 +349,10 @@ u8 MR_ValidateMapInfo(struct megasas_instance *instance, u64 map_id)

num_lds = le16_to_cpu(drv_map->raidMap.ldCount);

+ memcpy(instance->ld_ids_prev, + instance->ld_ids_from_raidmap, + sizeof(instance->ld_ids_from_raidmap)); + memset(instance->ld_ids_from_raidmap, 0xff, MEGASAS_MAX_LD_IDS); /*Convert Raid capability values to CPU arch */ for (i = 0; (num_lds > 0) && (i < MAX_LOGICAL_DRIVES_EXT); i++) { ld = MR_TargetIdToLdGet(i, drv_map); @@ -359,7 +363,7 @@ u8 MR_ValidateMapInfo(struct megasas_instance *instance, u64 map_id)

raid = MR_LdRaidGet(ld, drv_map); le32_to_cpus((u32 *)&raid->capability); - + instance->ld_ids_from_raidmap[i] = i; num_lds--; }

From: Mike Christie michael.christie@oracle.com

[ Upstream commit b1d19e8c92cfb0ded180ef3376c20e130414e067 ]

There are a couple places where we could free the iscsi_cls_conn while it's still in use. This adds some helpers to get/put a refcount on the struct and converts an exiting user. Subsequent commits will then use the helpers to fix 2 bugs in the eh code.

Link: https://lore.kernel.org/r/20210525181821.7617-11-michael.christie@oracle.com Reviewed-by: Lee Duncan lduncan@suse.com Signed-off-by: Mike Christie michael.christie@oracle.com Signed-off-by: Martin K. Petersen martin.petersen@oracle.com Signed-off-by: Sasha Levin sashal@kernel.org --- drivers/scsi/libiscsi.c | 7 ++----- drivers/scsi/scsi_transport_iscsi.c | 12 ++++++++++++ include/scsi/scsi_transport_iscsi.h | 2 ++ 3 files changed, 16 insertions(+), 5 deletions(-)

diff --git a/drivers/scsi/libiscsi.c b/drivers/scsi/libiscsi.c index 2aaf83678654..ab39d7f65bbb 100644 --- a/drivers/scsi/libiscsi.c +++ b/drivers/scsi/libiscsi.c @@ -1361,7 +1361,6 @@ void iscsi_session_failure(struct iscsi_session *session, enum iscsi_err err) { struct iscsi_conn *conn; - struct device *dev;

spin_lock_bh(&session->frwd_lock); conn = session->leadconn; @@ -1370,10 +1369,8 @@ void iscsi_session_failure(struct iscsi_session *session, return; }

- dev = get_device(&conn->cls_conn->dev); + iscsi_get_conn(conn->cls_conn); spin_unlock_bh(&session->frwd_lock); - if (!dev) - return; /* * if the host is being removed bypass the connection * recovery initialization because we are going to kill @@ -1383,7 +1380,7 @@ void iscsi_session_failure(struct iscsi_session *session, iscsi_conn_error_event(conn->cls_conn, err); else iscsi_conn_failure(conn, err); - put_device(dev); + iscsi_put_conn(conn->cls_conn); } EXPORT_SYMBOL_GPL(iscsi_session_failure);

diff --git a/drivers/scsi/scsi_transport_iscsi.c b/drivers/scsi/scsi_transport_iscsi.c index 6ce1cc992d1d..b07105ae7c91 100644 --- a/drivers/scsi/scsi_transport_iscsi.c +++ b/drivers/scsi/scsi_transport_iscsi.c @@ -2459,6 +2459,18 @@ int iscsi_destroy_conn(struct iscsi_cls_conn *conn) } EXPORT_SYMBOL_GPL(iscsi_destroy_conn);

+void iscsi_put_conn(struct iscsi_cls_conn *conn) +{ + put_device(&conn->dev); +} +EXPORT_SYMBOL_GPL(iscsi_put_conn); + +void iscsi_get_conn(struct iscsi_cls_conn *conn) +{ + get_device(&conn->dev); +} +EXPORT_SYMBOL_GPL(iscsi_get_conn); + /* * iscsi interface functions */ diff --git a/include/scsi/scsi_transport_iscsi.h b/include/scsi/scsi_transport_iscsi.h index 3974329d4d02..c5d7810fd792 100644 --- a/include/scsi/scsi_transport_iscsi.h +++ b/include/scsi/scsi_transport_iscsi.h @@ -443,6 +443,8 @@ extern void iscsi_remove_session(struct iscsi_cls_session *session); extern void iscsi_free_session(struct iscsi_cls_session *session); extern struct iscsi_cls_conn *iscsi_create_conn(struct iscsi_cls_session *sess, int dd_size, uint32_t cid); +extern void iscsi_put_conn(struct iscsi_cls_conn *conn); +extern void iscsi_get_conn(struct iscsi_cls_conn *conn); extern int iscsi_destroy_conn(struct iscsi_cls_conn *conn); extern void iscsi_unblock_session(struct iscsi_cls_session *session); extern void iscsi_block_session(struct iscsi_cls_session *session);

From: Mike Christie michael.christie@oracle.com

[ Upstream commit bdd4aad7ff92ae39c2e93c415bb6761cb8b584da ]

The iscsi offload drivers are setting the shost->max_id to the max number of sessions they support. The problem is that max_id is not the max number of targets but the highest identifier the targets can have. To use it to limit the number of targets we need to set it to max sessions - 1, or we can end up with a session we might not have preallocated resources for.

Link: https://lore.kernel.org/r/20210525181821.7617-15-michael.christie@oracle.com Reviewed-by: Lee Duncan lduncan@suse.com Signed-off-by: Mike Christie michael.christie@oracle.com Signed-off-by: Martin K. Petersen martin.petersen@oracle.com Signed-off-by: Sasha Levin sashal@kernel.org --- drivers/scsi/be2iscsi/be_main.c | 4 ++-- drivers/scsi/bnx2i/bnx2i_iscsi.c | 2 +- drivers/scsi/cxgbi/libcxgbi.c | 4 ++-- drivers/scsi/qedi/qedi_main.c | 2 +- 4 files changed, 6 insertions(+), 6 deletions(-)

diff --git a/drivers/scsi/be2iscsi/be_main.c b/drivers/scsi/be2iscsi/be_main.c index e9658a67d9da..09d2f8351539 100644 --- a/drivers/scsi/be2iscsi/be_main.c +++ b/drivers/scsi/be2iscsi/be_main.c @@ -416,7 +416,7 @@ static struct beiscsi_hba *beiscsi_hba_alloc(struct pci_dev *pcidev) "beiscsi_hba_alloc - iscsi_host_alloc failed\n"); return NULL; } - shost->max_id = BE2_MAX_SESSIONS; + shost->max_id = BE2_MAX_SESSIONS - 1; shost->max_channel = 0; shost->max_cmd_len = BEISCSI_MAX_CMD_LEN; shost->max_lun = BEISCSI_NUM_MAX_LUN; @@ -5318,7 +5318,7 @@ static int beiscsi_enable_port(struct beiscsi_hba *phba) /* Re-enable UER. If different TPE occurs then it is recoverable. */ beiscsi_set_uer_feature(phba);

- phba->shost->max_id = phba->params.cxns_per_ctrl; + phba->shost->max_id = phba->params.cxns_per_ctrl - 1; phba->shost->can_queue = phba->params.ios_per_ctrl; ret = beiscsi_init_port(phba); if (ret < 0) { diff --git a/drivers/scsi/bnx2i/bnx2i_iscsi.c b/drivers/scsi/bnx2i/bnx2i_iscsi.c index 2ad85c6b99fd..8cf2f9a7cfdc 100644 --- a/drivers/scsi/bnx2i/bnx2i_iscsi.c +++ b/drivers/scsi/bnx2i/bnx2i_iscsi.c @@ -791,7 +791,7 @@ struct bnx2i_hba *bnx2i_alloc_hba(struct cnic_dev *cnic) return NULL; shost->dma_boundary = cnic->pcidev->dma_mask; shost->transportt = bnx2i_scsi_xport_template; - shost->max_id = ISCSI_MAX_CONNS_PER_HBA; + shost->max_id = ISCSI_MAX_CONNS_PER_HBA - 1; shost->max_channel = 0; shost->max_lun = 512; shost->max_cmd_len = 16; diff --git a/drivers/scsi/cxgbi/libcxgbi.c b/drivers/scsi/cxgbi/libcxgbi.c index f6bcae829c29..506b561670af 100644 --- a/drivers/scsi/cxgbi/libcxgbi.c +++ b/drivers/scsi/cxgbi/libcxgbi.c @@ -337,7 +337,7 @@ void cxgbi_hbas_remove(struct cxgbi_device *cdev) EXPORT_SYMBOL_GPL(cxgbi_hbas_remove);

int cxgbi_hbas_add(struct cxgbi_device *cdev, u64 max_lun, - unsigned int max_id, struct scsi_host_template *sht, + unsigned int max_conns, struct scsi_host_template *sht, struct scsi_transport_template *stt) { struct cxgbi_hba *chba; @@ -357,7 +357,7 @@ int cxgbi_hbas_add(struct cxgbi_device *cdev, u64 max_lun,

shost->transportt = stt; shost->max_lun = max_lun; - shost->max_id = max_id; + shost->max_id = max_conns - 1; shost->max_channel = 0; shost->max_cmd_len = SCSI_MAX_VARLEN_CDB_SIZE;

diff --git a/drivers/scsi/qedi/qedi_main.c b/drivers/scsi/qedi/qedi_main.c index 69c5b5ee2169..b33eff9ea80b 100644 --- a/drivers/scsi/qedi/qedi_main.c +++ b/drivers/scsi/qedi/qedi_main.c @@ -642,7 +642,7 @@ static struct qedi_ctx *qedi_host_alloc(struct pci_dev *pdev) goto exit_setup_shost; }

- shost->max_id = QEDI_MAX_ISCSI_CONNS_PER_HBA; + shost->max_id = QEDI_MAX_ISCSI_CONNS_PER_HBA - 1; shost->max_channel = 0; shost->max_lun = ~0; shost->max_cmd_len = 16;

From: Mike Christie michael.christie@oracle.com

[ Upstream commit 2ce002366a3fcc3f9616d4583194f65dde0ad253 ]

If the SCSI cmd completes after qedi_tmf_work calls iscsi_itt_to_task then the qedi qedi_cmd->task_id could be freed and used for another cmd. If we then call qedi_iscsi_cleanup_task with that task_id we will be cleaning up the wrong cmd.

Wait to release the task_id until the last put has been done on the iscsi_task. Because libiscsi grabs a ref to the task when sending the abort, we know that for the non-abort timeout case that the task_id we are referencing is for the cmd that was supposed to be aborted.

A latter commit will fix the case where the abort times out while we are running qedi_tmf_work.

Link: https://lore.kernel.org/r/20210525181821.7617-21-michael.christie@oracle.com Reviewed-by: Manish Rangankar mrangankar@marvell.com Signed-off-by: Mike Christie michael.christie@oracle.com Signed-off-by: Martin K. Petersen martin.petersen@oracle.com Signed-off-by: Sasha Levin sashal@kernel.org --- drivers/scsi/qedi/qedi_fw.c | 15 --------------- drivers/scsi/qedi/qedi_iscsi.c | 20 +++++++++++++++++--- 2 files changed, 17 insertions(+), 18 deletions(-)

diff --git a/drivers/scsi/qedi/qedi_fw.c b/drivers/scsi/qedi/qedi_fw.c index cf57b4e49700..c12bb2dd5ff9 100644 --- a/drivers/scsi/qedi/qedi_fw.c +++ b/drivers/scsi/qedi/qedi_fw.c @@ -73,7 +73,6 @@ static void qedi_process_logout_resp(struct qedi_ctx *qedi, spin_unlock(&qedi_conn->list_lock);

cmd->state = RESPONSE_RECEIVED; - qedi_clear_task_idx(qedi, cmd->task_id); __iscsi_complete_pdu(conn, (struct iscsi_hdr *)resp_hdr, NULL, 0);

spin_unlock(&session->back_lock); @@ -138,7 +137,6 @@ static void qedi_process_text_resp(struct qedi_ctx *qedi, spin_unlock(&qedi_conn->list_lock);

cmd->state = RESPONSE_RECEIVED; - qedi_clear_task_idx(qedi, cmd->task_id);

__iscsi_complete_pdu(conn, (struct iscsi_hdr *)resp_hdr_ptr, qedi_conn->gen_pdu.resp_buf, @@ -164,13 +162,11 @@ static void qedi_tmf_resp_work(struct work_struct *work) iscsi_block_session(session->cls_session); rval = qedi_cleanup_all_io(qedi, qedi_conn, qedi_cmd->task, true); if (rval) { - qedi_clear_task_idx(qedi, qedi_cmd->task_id); iscsi_unblock_session(session->cls_session); goto exit_tmf_resp; }

iscsi_unblock_session(session->cls_session); - qedi_clear_task_idx(qedi, qedi_cmd->task_id);

spin_lock(&session->back_lock); __iscsi_complete_pdu(conn, (struct iscsi_hdr *)resp_hdr_ptr, NULL, 0); @@ -245,8 +241,6 @@ static void qedi_process_tmf_resp(struct qedi_ctx *qedi, goto unblock_sess; }

- qedi_clear_task_idx(qedi, qedi_cmd->task_id); - __iscsi_complete_pdu(conn, (struct iscsi_hdr *)resp_hdr_ptr, NULL, 0); kfree(resp_hdr_ptr);

@@ -314,7 +308,6 @@ static void qedi_process_login_resp(struct qedi_ctx *qedi, "Freeing tid=0x%x for cid=0x%x\n", cmd->task_id, qedi_conn->iscsi_conn_id); cmd->state = RESPONSE_RECEIVED; - qedi_clear_task_idx(qedi, cmd->task_id); }

static void qedi_get_rq_bdq_buf(struct qedi_ctx *qedi, @@ -468,7 +461,6 @@ static int qedi_process_nopin_mesg(struct qedi_ctx *qedi, }

spin_unlock(&qedi_conn->list_lock); - qedi_clear_task_idx(qedi, cmd->task_id); }

done: @@ -673,7 +665,6 @@ static void qedi_scsi_completion(struct qedi_ctx *qedi, if (qedi_io_tracing) qedi_trace_io(qedi, task, cmd->task_id, QEDI_IO_TRACE_RSP);

- qedi_clear_task_idx(qedi, cmd->task_id); __iscsi_complete_pdu(conn, (struct iscsi_hdr *)hdr, conn->data, datalen); error: @@ -730,7 +721,6 @@ static void qedi_process_nopin_local_cmpl(struct qedi_ctx *qedi, cqe->itid, cmd->task_id);

cmd->state = RESPONSE_RECEIVED; - qedi_clear_task_idx(qedi, cmd->task_id);

spin_lock_bh(&session->back_lock); __iscsi_put_task(task); @@ -748,7 +738,6 @@ static void qedi_process_cmd_cleanup_resp(struct qedi_ctx *qedi, itt_t protoitt = 0; int found = 0; struct qedi_cmd *qedi_cmd = NULL; - u32 rtid = 0; u32 iscsi_cid; struct qedi_conn *qedi_conn; struct qedi_cmd *dbg_cmd; @@ -779,7 +768,6 @@ static void qedi_process_cmd_cleanup_resp(struct qedi_ctx *qedi, found = 1; mtask = qedi_cmd->task; tmf_hdr = (struct iscsi_tm *)mtask->hdr; - rtid = work->rtid;

list_del_init(&work->list); kfree(work); @@ -821,8 +809,6 @@ static void qedi_process_cmd_cleanup_resp(struct qedi_ctx *qedi, if (qedi_cmd->state == CLEANUP_WAIT_FAILED) qedi_cmd->state = CLEANUP_RECV;

- qedi_clear_task_idx(qedi_conn->qedi, rtid); - spin_lock(&qedi_conn->list_lock); if (likely(dbg_cmd->io_cmd_in_list)) { dbg_cmd->io_cmd_in_list = false; @@ -856,7 +842,6 @@ static void qedi_process_cmd_cleanup_resp(struct qedi_ctx *qedi, QEDI_INFO(&qedi->dbg_ctx, QEDI_LOG_TID, "Freeing tid=0x%x for cid=0x%x\n", cqe->itid, qedi_conn->iscsi_conn_id); - qedi_clear_task_idx(qedi_conn->qedi, cqe->itid);

} else { qedi_get_proto_itt(qedi, cqe->itid, &ptmp_itt); diff --git a/drivers/scsi/qedi/qedi_iscsi.c b/drivers/scsi/qedi/qedi_iscsi.c index 087c7ff28cd5..4acc12111330 100644 --- a/drivers/scsi/qedi/qedi_iscsi.c +++ b/drivers/scsi/qedi/qedi_iscsi.c @@ -783,7 +783,6 @@ static int qedi_mtask_xmit(struct iscsi_conn *conn, struct iscsi_task *task) }

cmd->conn = conn->dd_data; - cmd->scsi_cmd = NULL; return qedi_iscsi_send_generic_request(task); }

@@ -794,6 +793,10 @@ static int qedi_task_xmit(struct iscsi_task *task) struct qedi_cmd *cmd = task->dd_data; struct scsi_cmnd *sc = task->sc;

+ /* Clear now so in cleanup_task we know it didn't make it */ + cmd->scsi_cmd = NULL; + cmd->task_id = U16_MAX; + if (test_bit(QEDI_IN_SHUTDOWN, &qedi_conn->qedi->flags)) return -ENODEV;

@@ -1394,13 +1397,24 @@ static umode_t qedi_attr_is_visible(int param_type, int param)

static void qedi_cleanup_task(struct iscsi_task *task) { - if (!task->sc || task->state == ISCSI_TASK_PENDING) { + struct qedi_cmd *cmd; + + if (task->state == ISCSI_TASK_PENDING) { QEDI_INFO(NULL, QEDI_LOG_IO, "Returning ref_cnt=%d\n", refcount_read(&task->refcount)); return; }

- qedi_iscsi_unmap_sg_list(task->dd_data); + if (task->sc) + qedi_iscsi_unmap_sg_list(task->dd_data); + + cmd = task->dd_data; + if (cmd->task_id != U16_MAX) + qedi_clear_task_idx(iscsi_host_priv(task->conn->session->host), + cmd->task_id); + + cmd->task_id = U16_MAX; + cmd->scsi_cmd = NULL; }

struct iscsi_transport qedi_iscsi_transport = {

From: Mike Christie michael.christie@oracle.com

[ Upstream commit 0c72191da68638a479602dd515b587ada913184a ]

Drivers shouldn't be calling block/unblock session for cmd cleanup because the functions can change the session state from under libiscsi. This adds a new a driver level bit so it can block all I/O the host while it drains the card.

Link: https://lore.kernel.org/r/20210525181821.7617-26-michael.christie@oracle.com Reviewed-by: Manish Rangankar mrangankar@marvell.com Signed-off-by: Mike Christie michael.christie@oracle.com Signed-off-by: Martin K. Petersen martin.petersen@oracle.com Signed-off-by: Sasha Levin sashal@kernel.org --- drivers/scsi/qedi/qedi.h | 1 + drivers/scsi/qedi/qedi_iscsi.c | 17 +++++++++++++++-- 2 files changed, 16 insertions(+), 2 deletions(-)

diff --git a/drivers/scsi/qedi/qedi.h b/drivers/scsi/qedi/qedi.h index c342defc3f52..ce199a7a16b8 100644 --- a/drivers/scsi/qedi/qedi.h +++ b/drivers/scsi/qedi/qedi.h @@ -284,6 +284,7 @@ struct qedi_ctx { #define QEDI_IN_RECOVERY 5 #define QEDI_IN_OFFLINE 6 #define QEDI_IN_SHUTDOWN 7 +#define QEDI_BLOCK_IO 8

u8 mac[ETH_ALEN]; u32 src_ip[4]; diff --git a/drivers/scsi/qedi/qedi_iscsi.c b/drivers/scsi/qedi/qedi_iscsi.c index 4acc12111330..5f7e62f19d83 100644 --- a/drivers/scsi/qedi/qedi_iscsi.c +++ b/drivers/scsi/qedi/qedi_iscsi.c @@ -330,12 +330,22 @@ free_conn:

void qedi_mark_device_missing(struct iscsi_cls_session *cls_session) { - iscsi_block_session(cls_session); + struct iscsi_session *session = cls_session->dd_data; + struct qedi_conn *qedi_conn = session->leadconn->dd_data; + + spin_lock_bh(&session->frwd_lock); + set_bit(QEDI_BLOCK_IO, &qedi_conn->qedi->flags); + spin_unlock_bh(&session->frwd_lock); }

void qedi_mark_device_available(struct iscsi_cls_session *cls_session) { - iscsi_unblock_session(cls_session); + struct iscsi_session *session = cls_session->dd_data; + struct qedi_conn *qedi_conn = session->leadconn->dd_data; + + spin_lock_bh(&session->frwd_lock); + clear_bit(QEDI_BLOCK_IO, &qedi_conn->qedi->flags); + spin_unlock_bh(&session->frwd_lock); }

static int qedi_bind_conn_to_iscsi_cid(struct qedi_ctx *qedi, @@ -800,6 +810,9 @@ static int qedi_task_xmit(struct iscsi_task *task) if (test_bit(QEDI_IN_SHUTDOWN, &qedi_conn->qedi->flags)) return -ENODEV;

+ if (test_bit(QEDI_BLOCK_IO, &qedi_conn->qedi->flags)) + return -EACCES; + cmd->state = 0; cmd->task = NULL; cmd->use_slowpath = false;

From: Tony Lindgren tony@atomide.com

[ Upstream commit 0b7cbe811ca524295ea43d9a4d73d3427e419c54 ]

We have started to get a bunch of pointless dmamask not set warnings that makes the output of dmesg -l err,warn hard to read with many extra warnings:

cpcap-regulator cpcap-regulator.0: DMA mask not set cpcap_adc cpcap_adc.0: DMA mask not set cpcap_battery cpcap_battery.0: DMA mask not set cpcap-charger cpcap-charger.0: DMA mask not set cpcap-pwrbutton cpcap-pwrbutton.0: DMA mask not set cpcap-led cpcap-led.0: DMA mask not set cpcap-led cpcap-led.1: DMA mask not set cpcap-led cpcap-led.2: DMA mask not set cpcap-led cpcap-led.3: DMA mask not set cpcap-led cpcap-led.4: DMA mask not set cpcap-rtc cpcap-rtc.0: DMA mask not set cpcap-usb-phy cpcap-usb-phy.0: DMA mask not set

This seems to have started with commit 4d8bde883bfb ("OF: Don't set default coherent DMA mask"). We have the parent SPI controller use DMA, while CPCAP driver and it's children do not. For audio, the DMA is handled over I2S bus with the McBSP driver.

Cc: Carl Philipp Klemm philipp@uvos.xyz Cc: Ivan Jelincic parazyd@dyne.org Cc: Merlijn Wajer merlijn@wizzup.org Cc: Pavel Machek pavel@ucw.cz Cc: Sebastian Reichel sre@kernel.org Cc: Sicelo A. Mhlongo absicsz@gmail.com Signed-off-by: Tony Lindgren tony@atomide.com Signed-off-by: Lee Jones lee.jones@linaro.org Signed-off-by: Sasha Levin sashal@kernel.org --- drivers/mfd/motorola-cpcap.c | 4 ++++ 1 file changed, 4 insertions(+)

diff --git a/drivers/mfd/motorola-cpcap.c b/drivers/mfd/motorola-cpcap.c index 30d82bfe5b02..6fb206da2729 100644 --- a/drivers/mfd/motorola-cpcap.c +++ b/drivers/mfd/motorola-cpcap.c @@ -327,6 +327,10 @@ static int cpcap_probe(struct spi_device *spi) if (ret) return ret;

+ /* Parent SPI controller uses DMA, CPCAP and child devices do not */ + spi->dev.coherent_dma_mask = 0; + spi->dev.dma_mask = &spi->dev.coherent_dma_mask; + return devm_mfd_add_devices(&spi->dev, 0, cpcap_mfd_devices, ARRAY_SIZE(cpcap_mfd_devices), NULL, 0, NULL); }

From: Zou Wei zou_wei@huawei.com

[ Upstream commit 19a52178125c1e8b84444d85f2ce34c0964b4a91 ]

This patch adds missing MODULE_DEVICE_TABLE definition which generates correct modalias for automatic loading of this driver when it is built as an external module.

Reported-by: Hulk Robot hulkci@huawei.com Signed-off-by: Zou Wei zou_wei@huawei.com Link: https://lore.kernel.org/r/1620896249-52769-1-git-send-email-zou_wei@huawei.c... Signed-off-by: Joel Stanley joel@jms.id.au Signed-off-by: Sasha Levin sashal@kernel.org --- drivers/fsi/fsi-master-aspeed.c | 1 + drivers/fsi/fsi-master-ast-cf.c | 1 + drivers/fsi/fsi-master-gpio.c | 1 + drivers/fsi/fsi-occ.c | 1 + 4 files changed, 4 insertions(+)

diff --git a/drivers/fsi/fsi-master-aspeed.c b/drivers/fsi/fsi-master-aspeed.c index 90dbe58ca1ed..dbad73162c83 100644 --- a/drivers/fsi/fsi-master-aspeed.c +++ b/drivers/fsi/fsi-master-aspeed.c @@ -645,6 +645,7 @@ static const struct of_device_id fsi_master_aspeed_match[] = { { .compatible = "aspeed,ast2600-fsi-master" }, { }, }; +MODULE_DEVICE_TABLE(of, fsi_master_aspeed_match);

static struct platform_driver fsi_master_aspeed_driver = { .driver = { diff --git a/drivers/fsi/fsi-master-ast-cf.c b/drivers/fsi/fsi-master-ast-cf.c index 57a779a89b07..70c03e304d6c 100644 --- a/drivers/fsi/fsi-master-ast-cf.c +++ b/drivers/fsi/fsi-master-ast-cf.c @@ -1427,6 +1427,7 @@ static const struct of_device_id fsi_master_acf_match[] = { { .compatible = "aspeed,ast2500-cf-fsi-master" }, { }, }; +MODULE_DEVICE_TABLE(of, fsi_master_acf_match);

static struct platform_driver fsi_master_acf = { .driver = { diff --git a/drivers/fsi/fsi-master-gpio.c b/drivers/fsi/fsi-master-gpio.c index aa97c4a250cb..7d5f29b4b595 100644 --- a/drivers/fsi/fsi-master-gpio.c +++ b/drivers/fsi/fsi-master-gpio.c @@ -882,6 +882,7 @@ static const struct of_device_id fsi_master_gpio_match[] = { { .compatible = "fsi-master-gpio" }, { }, }; +MODULE_DEVICE_TABLE(of, fsi_master_gpio_match);

static struct platform_driver fsi_master_gpio_driver = { .driver = { diff --git a/drivers/fsi/fsi-occ.c b/drivers/fsi/fsi-occ.c index cb05b6dacc9d..dc74bffedd72 100644 --- a/drivers/fsi/fsi-occ.c +++ b/drivers/fsi/fsi-occ.c @@ -636,6 +636,7 @@ static const struct of_device_id occ_match[] = { }, { }, }; +MODULE_DEVICE_TABLE(of, occ_match);

static struct platform_driver occ_driver = { .driver = {

From: Valentin Vidic vvidic@valentin-vidic.from.hr

[ Upstream commit b7d91d230a119fdcc334d10c9889ce9c5e15118b ]

Console name reported in /proc/consoles:

ttyS1 -W- (EC p ) 4:65

does not match the char device name:

crw--w---- 1 root root 4, 65 May 17 12:18 /dev/ttysclp0

so debian-installer inside a QEMU s390x instance gets confused and fails to start with the following error:

steal-ctty: No such file or directory

Signed-off-by: Valentin Vidic vvidic@valentin-vidic.from.hr Link: https://lore.kernel.org/r/20210427194010.9330-1-vvidic@valentin-vidic.from.h... Signed-off-by: Christian Borntraeger borntraeger@de.ibm.com Signed-off-by: Vasily Gorbik gor@linux.ibm.com Signed-off-by: Sasha Levin sashal@kernel.org --- arch/s390/kernel/setup.c | 2 +- drivers/s390/char/sclp_vt220.c | 4 ++-- 2 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/arch/s390/kernel/setup.c b/arch/s390/kernel/setup.c index 382d73da134c..93538e63fa03 100644 --- a/arch/s390/kernel/setup.c +++ b/arch/s390/kernel/setup.c @@ -165,7 +165,7 @@ static void __init set_preferred_console(void) else if (CONSOLE_IS_3270) add_preferred_console("tty3270", 0, NULL); else if (CONSOLE_IS_VT220) - add_preferred_console("ttyS", 1, NULL); + add_preferred_console("ttysclp", 0, NULL); else if (CONSOLE_IS_HVC) add_preferred_console("hvc", 0, NULL); } diff --git a/drivers/s390/char/sclp_vt220.c b/drivers/s390/char/sclp_vt220.c index 047f812d1a1c..71ed1bf15598 100644 --- a/drivers/s390/char/sclp_vt220.c +++ b/drivers/s390/char/sclp_vt220.c @@ -35,8 +35,8 @@ #define SCLP_VT220_MINOR 65 #define SCLP_VT220_DRIVER_NAME "sclp_vt220" #define SCLP_VT220_DEVICE_NAME "ttysclp" -#define SCLP_VT220_CONSOLE_NAME "ttyS" -#define SCLP_VT220_CONSOLE_INDEX 1 /* console=ttyS1 */ +#define SCLP_VT220_CONSOLE_NAME "ttysclp" +#define SCLP_VT220_CONSOLE_INDEX 0 /* console=ttysclp0 */

/* Representation of a single write request */ struct sclp_vt220_request {

From: Po-Hsu Lin po-hsu.lin@canonical.com

[ Upstream commit 0d3e5a057992bdc66e4dca2ca50b77fa4a7bd90e ]

This test will require /dev/rtc0, the default RTC device, or one specified by user to run. Since this default RTC is not guaranteed to exist on all of the devices, so check its existence first, otherwise skip this test with the kselftest skip code 4.

Without this patch this test will fail like this on a s390x zVM: $ selftests: timers: rtcpie $ /dev/rtc0: No such file or directory not ok 1 selftests: timers: rtcpie # exit=22

With this patch: $ selftests: timers: rtcpie $ Default RTC /dev/rtc0 does not exist. Test Skipped! not ok 9 selftests: timers: rtcpie # SKIP

Fixed up change log so "With this patch" text doesn't get dropped. Shuah Khan skhan@linuxfoundation.org

Signed-off-by: Po-Hsu Lin po-hsu.lin@canonical.com Signed-off-by: Shuah Khan skhan@linuxfoundation.org Signed-off-by: Sasha Levin sashal@kernel.org --- tools/testing/selftests/timers/rtcpie.c | 10 +++++++++- 1 file changed, 9 insertions(+), 1 deletion(-)

diff --git a/tools/testing/selftests/timers/rtcpie.c b/tools/testing/selftests/timers/rtcpie.c index 47b5bad1b393..4ef2184f1558 100644 --- a/tools/testing/selftests/timers/rtcpie.c +++ b/tools/testing/selftests/timers/rtcpie.c @@ -18,6 +18,8 @@ #include <stdlib.h> #include <errno.h>

+#include "../kselftest.h" + /* * This expects the new RTC class driver framework, working with * clocks that will often not be clones of what the PC-AT had. @@ -35,8 +37,14 @@ int main(int argc, char **argv) switch (argc) { case 2: rtc = argv[1]; - /* FALLTHROUGH */ + break; case 1: + fd = open(default_rtc, O_RDONLY); + if (fd == -1) { + printf("Default RTC %s does not exist. Test Skipped!\n", default_rtc); + exit(KSFT_SKIP); + } + close(fd); break; default: fprintf(stderr, "usage: rtctest [rtcdev] [d]\n");

From: Takashi Iwai tiwai@suse.de

[ Upstream commit c305366a37441c2ac90b08711cb6f032b43672f2 ]

snd_sb_qsound_destroy() contains the calls of removing the previously created mixer controls, but it doesn't clear the pointers. As snd_sb_qsound_destroy() itself may be repeatedly called via ioctl, this could lead to double-free potentially.

Fix it by clearing the struct fields properly afterwards.

Link: https://lore.kernel.org/r/20210608140540.17885-4-tiwai@suse.de Signed-off-by: Takashi Iwai tiwai@suse.de Signed-off-by: Sasha Levin sashal@kernel.org --- sound/isa/sb/sb16_csp.c | 8 ++++++-- 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/sound/isa/sb/sb16_csp.c b/sound/isa/sb/sb16_csp.c index 4789345a8fdd..c98ccd421a2e 100644 --- a/sound/isa/sb/sb16_csp.c +++ b/sound/isa/sb/sb16_csp.c @@ -1072,10 +1072,14 @@ static void snd_sb_qsound_destroy(struct snd_sb_csp * p) card = p->chip->card; down_write(&card->controls_rwsem); - if (p->qsound_switch) + if (p->qsound_switch) { snd_ctl_remove(card, p->qsound_switch); - if (p->qsound_space) + p->qsound_switch = NULL; + } + if (p->qsound_space) { snd_ctl_remove(card, p->qsound_space); + p->qsound_space = NULL; + } up_write(&card->controls_rwsem);

/* cancel pending transfer of QSound parameters */

From: Xiyu Yang xiyuyang19@fudan.edu.cn

[ Upstream commit 1adf30f198c26539a62d761e45af72cde570413d ]

arm_smmu_rpm_get() invokes pm_runtime_get_sync(), which increases the refcount of the "smmu" even though the return value is less than 0.

The reference counting issue happens in some error handling paths of arm_smmu_rpm_get() in its caller functions. When arm_smmu_rpm_get() fails, the caller functions forget to decrease the refcount of "smmu" increased by arm_smmu_rpm_get(), causing a refcount leak.

Fix this issue by calling pm_runtime_resume_and_get() instead of pm_runtime_get_sync() in arm_smmu_rpm_get(), which can keep the refcount balanced in case of failure.

Signed-off-by: Xiyu Yang xiyuyang19@fudan.edu.cn Signed-off-by: Xin Tan tanxin.ctf@gmail.com Link: https://lore.kernel.org/r/1623293672-17954-1-git-send-email-xiyuyang19@fudan... Signed-off-by: Will Deacon will@kernel.org Signed-off-by: Sasha Levin sashal@kernel.org --- drivers/iommu/arm/arm-smmu/arm-smmu.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/iommu/arm/arm-smmu/arm-smmu.c b/drivers/iommu/arm/arm-smmu/arm-smmu.c index d8c6bfde6a61..128c2c87b4e5 100644 --- a/drivers/iommu/arm/arm-smmu/arm-smmu.c +++ b/drivers/iommu/arm/arm-smmu/arm-smmu.c @@ -74,7 +74,7 @@ static bool using_legacy_binding, using_generic_binding; static inline int arm_smmu_rpm_get(struct arm_smmu_device *smmu) { if (pm_runtime_enabled(smmu->dev)) - return pm_runtime_get_sync(smmu->dev); + return pm_runtime_resume_and_get(smmu->dev);

return 0; }

From: Yang Yingliang yangyingliang@huawei.com

[ Upstream commit be471fe332f7f14aa6828010b220d7e6902b91a0 ]

It will cause null-ptr-deref if platform_get_resource() returns NULL, we need check the return value.

Signed-off-by: Yang Yingliang yangyingliang@huawei.com Link: https://lore.kernel.org/r/20210610124958.116142-1-yangyingliang@huawei.com Signed-off-by: Takashi Iwai tiwai@suse.de Signed-off-by: Sasha Levin sashal@kernel.org --- sound/mips/snd-n64.c | 4 ++++ 1 file changed, 4 insertions(+)

diff --git a/sound/mips/snd-n64.c b/sound/mips/snd-n64.c index e35e93157755..463a6fe589eb 100644 --- a/sound/mips/snd-n64.c +++ b/sound/mips/snd-n64.c @@ -338,6 +338,10 @@ static int __init n64audio_probe(struct platform_device *pdev) strcpy(card->longname, "N64 Audio");

res = platform_get_resource(pdev, IORESOURCE_IRQ, 0); + if (!res) { + err = -EINVAL; + goto fail_dma_alloc; + } if (devm_request_irq(&pdev->dev, res->start, n64audio_isr, IRQF_SHARED, "N64 Audio", priv)) { err = -EBUSY;

From: Srinivas Neeli srinivas.neeli@xilinx.com

[ Upstream commit a51b2fb94b04ab71e53a71b9fad03fa826941254 ]

Return value of "pm_runtime_get_sync" API was neither captured nor checked. Fixed it by capturing the return value and then checking for any warning.

Addresses-Coverity: "check_return" Signed-off-by: Srinivas Neeli srinivas.neeli@xilinx.com Signed-off-by: Bartosz Golaszewski bgolaszewski@baylibre.com Signed-off-by: Sasha Levin sashal@kernel.org --- drivers/gpio/gpio-zynq.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/drivers/gpio/gpio-zynq.c b/drivers/gpio/gpio-zynq.c index 3521c1dc3ac0..fb8684d70fe3 100644 --- a/drivers/gpio/gpio-zynq.c +++ b/drivers/gpio/gpio-zynq.c @@ -1001,8 +1001,11 @@ err_pm_dis: static int zynq_gpio_remove(struct platform_device *pdev) { struct zynq_gpio *gpio = platform_get_drvdata(pdev); + int ret;

- pm_runtime_get_sync(&pdev->dev); + ret = pm_runtime_get_sync(&pdev->dev); + if (ret < 0) + dev_warn(&pdev->dev, "pm_runtime_get_sync() Failed\n"); gpiochip_remove(&gpio->chip); clk_disable_unprepare(gpio->clk); device_set_wakeup_capable(&pdev->dev, 0);

From: Michael Kelley mikelley@microsoft.com

[ Upstream commit 52e1b3b3daa9d53f0204bf474ee1d4b1beb38234 ]

Hyper-V is observed to sometimes set multiple flags in the srb_status, such as ABORTED and ERROR. Current code in storvsc_handle_error() handles only a single flag being set, and does nothing when multiple flags are set. Fix this by changing the case statement into a series of "if" statements testing individual flags. The functionality for handling each flag is unchanged.

Link: https://lore.kernel.org/r/1622827263-12516-3-git-send-email-mikelley@microso... Signed-off-by: Michael Kelley mikelley@microsoft.com Signed-off-by: Martin K. Petersen martin.petersen@oracle.com Signed-off-by: Sasha Levin sashal@kernel.org --- drivers/scsi/storvsc_drv.c | 61 +++++++++++++++++++++----------------- 1 file changed, 33 insertions(+), 28 deletions(-)

diff --git a/drivers/scsi/storvsc_drv.c b/drivers/scsi/storvsc_drv.c index 6bc5453cea8a..181d7b372fd0 100644 --- a/drivers/scsi/storvsc_drv.c +++ b/drivers/scsi/storvsc_drv.c @@ -1005,17 +1005,40 @@ static void storvsc_handle_error(struct vmscsi_request *vm_srb, struct storvsc_scan_work *wrk; void (*process_err_fn)(struct work_struct *work); struct hv_host_device *host_dev = shost_priv(host); - bool do_work = false;

- switch (SRB_STATUS(vm_srb->srb_status)) { - case SRB_STATUS_ERROR: + /* + * In some situations, Hyper-V sets multiple bits in the + * srb_status, such as ABORTED and ERROR. So process them + * individually, with the most specific bits first. + */ + + if (vm_srb->srb_status & SRB_STATUS_INVALID_LUN) { + set_host_byte(scmnd, DID_NO_CONNECT); + process_err_fn = storvsc_remove_lun; + goto do_work; + } + + if (vm_srb->srb_status & SRB_STATUS_ABORTED) { + if (vm_srb->srb_status & SRB_STATUS_AUTOSENSE_VALID && + /* Capacity data has changed */ + (asc == 0x2a) && (ascq == 0x9)) { + process_err_fn = storvsc_device_scan; + /* + * Retry the I/O that triggered this. + */ + set_host_byte(scmnd, DID_REQUEUE); + goto do_work; + } + } + + if (vm_srb->srb_status & SRB_STATUS_ERROR) { /* * Let upper layer deal with error when * sense message is present. */ - if (vm_srb->srb_status & SRB_STATUS_AUTOSENSE_VALID) - break; + return; + /* * If there is an error; offline the device since all * error recovery strategies would have already been @@ -1028,37 +1051,19 @@ static void storvsc_handle_error(struct vmscsi_request *vm_srb, set_host_byte(scmnd, DID_PASSTHROUGH); break; /* - * On Some Windows hosts TEST_UNIT_READY command can return - * SRB_STATUS_ERROR, let the upper level code deal with it - * based on the sense information. + * On some Hyper-V hosts TEST_UNIT_READY command can + * return SRB_STATUS_ERROR. Let the upper level code + * deal with it based on the sense information. */ case TEST_UNIT_READY: break; default: set_host_byte(scmnd, DID_ERROR); } - break; - case SRB_STATUS_INVALID_LUN: - set_host_byte(scmnd, DID_NO_CONNECT); - do_work = true; - process_err_fn = storvsc_remove_lun; - break; - case SRB_STATUS_ABORTED: - if (vm_srb->srb_status & SRB_STATUS_AUTOSENSE_VALID && - (asc == 0x2a) && (ascq == 0x9)) { - do_work = true; - process_err_fn = storvsc_device_scan; - /* - * Retry the I/O that triggered this. - */ - set_host_byte(scmnd, DID_REQUEUE); - } - break; } + return;

- if (!do_work) - return; - +do_work: /* * We need to schedule work to process this error; schedule it. */

From: Athira Rajeev atrajeev@linux.vnet.ibm.com

[ Upstream commit 45677c9aebe926192e59475b35a1ff35ff2d4217 ]

The "no_handler_test" in ebb selftests attempts to read the PMU registers twice via helper function "dump_ebb_state". First dump is just before closing of event and the second invocation is done after closing of the event. The original intention of second dump_ebb_state was to dump the state of registers at the end of the test when the counters are frozen. But this will be achieved with the first call itself since sample period is set to low value and PMU will be frozen by then. Hence patch removes the dump which was done before closing of the event.

Reported-by: Shirisha Ganta shirisha.ganta1@ibm.com Signed-off-by: Athira Rajeev atrajeev@linux.vnet.ibm.com Tested-by: Nageswara R Sastry <rnsastry@linux.ibm.com mailto:rnsastry@linux.ibm.com> Signed-off-by: Michael Ellerman mpe@ellerman.id.au Link: https://lore.kernel.org/r/1621950703-1532-2-git-send-email-atrajeev@linux.vn... Signed-off-by: Sasha Levin sashal@kernel.org --- tools/testing/selftests/powerpc/pmu/ebb/no_handler_test.c | 2 -- 1 file changed, 2 deletions(-)

diff --git a/tools/testing/selftests/powerpc/pmu/ebb/no_handler_test.c b/tools/testing/selftests/powerpc/pmu/ebb/no_handler_test.c index fc5bf4870d8e..01e827c31169 100644 --- a/tools/testing/selftests/powerpc/pmu/ebb/no_handler_test.c +++ b/tools/testing/selftests/powerpc/pmu/ebb/no_handler_test.c @@ -50,8 +50,6 @@ static int no_handler_test(void)

event_close(&event);

- dump_ebb_state(); - /* The real test is that we never took an EBB at 0x0 */

return 0;

From: Aneesh Kumar K.V aneesh.kumar@linux.ibm.com

[ Upstream commit 07d8ad6fd8a3d47f50595ca4826f41dbf4f3a0c6 ]

Update _tlbiel_pid() such that we can avoid build errors like below when using this function in other places.

arch/powerpc/mm/book3s64/radix_tlb.c: In function ‘__radix__flush_tlb_range_psize’: arch/powerpc/mm/book3s64/radix_tlb.c:114:2: warning: ‘asm’ operand 3 probably does not match constraints 114 | asm volatile(PPC_TLBIEL(%0, %4, %3, %2, %1) | ^~~ arch/powerpc/mm/book3s64/radix_tlb.c:114:2: error: impossible constraint in ‘asm’ make[4]: *** [scripts/Makefile.build:271: arch/powerpc/mm/book3s64/radix_tlb.o] Error 1 m

With this fix, we can also drop the __always_inline in __radix_flush_tlb_range_psize which was added by commit e12d6d7d46a6 ("powerpc/mm/radix: mark __radix__flush_tlb_range_psize() as __always_inline")

Signed-off-by: Aneesh Kumar K.V aneesh.kumar@linux.ibm.com Reviewed-by: Christophe Leroy christophe.leroy@csgroup.eu Acked-by: Michael Ellerman mpe@ellerman.id.au Signed-off-by: Michael Ellerman mpe@ellerman.id.au Link: https://lore.kernel.org/r/20210610083639.387365-1-aneesh.kumar@linux.ibm.com Signed-off-by: Sasha Levin sashal@kernel.org --- arch/powerpc/mm/book3s64/radix_tlb.c | 26 +++++++++++++++++--------- 1 file changed, 17 insertions(+), 9 deletions(-)

diff --git a/arch/powerpc/mm/book3s64/radix_tlb.c b/arch/powerpc/mm/book3s64/radix_tlb.c index 409e61210789..817a02ef6032 100644 --- a/arch/powerpc/mm/book3s64/radix_tlb.c +++ b/arch/powerpc/mm/book3s64/radix_tlb.c @@ -291,22 +291,30 @@ static inline void fixup_tlbie_lpid(unsigned long lpid) /* * We use 128 set in radix mode and 256 set in hpt mode. */ -static __always_inline void _tlbiel_pid(unsigned long pid, unsigned long ric) +static inline void _tlbiel_pid(unsigned long pid, unsigned long ric) { int set;

asm volatile("ptesync": : :"memory");

- /* - * Flush the first set of the TLB, and if we're doing a RIC_FLUSH_ALL, - * also flush the entire Page Walk Cache. - */ - __tlbiel_pid(pid, 0, ric); + switch (ric) { + case RIC_FLUSH_PWC:

- /* For PWC, only one flush is needed */ - if (ric == RIC_FLUSH_PWC) { + /* For PWC, only one flush is needed */ + __tlbiel_pid(pid, 0, RIC_FLUSH_PWC); ppc_after_tlbiel_barrier(); return; + case RIC_FLUSH_TLB: + __tlbiel_pid(pid, 0, RIC_FLUSH_TLB); + break; + case RIC_FLUSH_ALL: + default: + /* + * Flush the first set of the TLB, and if + * we're doing a RIC_FLUSH_ALL, also flush + * the entire Page Walk Cache. + */ + __tlbiel_pid(pid, 0, RIC_FLUSH_ALL); }

if (!cpu_has_feature(CPU_FTR_ARCH_31)) { @@ -1176,7 +1184,7 @@ void radix__tlb_flush(struct mmu_gather *tlb) } }

-static __always_inline void __radix__flush_tlb_range_psize(struct mm_struct *mm, +static void __radix__flush_tlb_range_psize(struct mm_struct *mm, unsigned long start, unsigned long end, int psize, bool also_pwc) {

From: Mathias Nyman mathias.nyman@linux.intel.com

[ Upstream commit 271a21d8b280b186f8cc9ca6f7151902efde9512 ]

Set the urb->actual_length to bytes successfully copied in case all bytes weren't copied from a temporary buffer to the URB sg list. Also print a debug message

Signed-off-by: Mathias Nyman mathias.nyman@linux.intel.com Link: https://lore.kernel.org/r/20210617150354.1512157-4-mathias.nyman@linux.intel... Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org Signed-off-by: Sasha Levin sashal@kernel.org --- drivers/usb/host/xhci.c | 9 +++++++-- 1 file changed, 7 insertions(+), 2 deletions(-)

diff --git a/drivers/usb/host/xhci.c b/drivers/usb/host/xhci.c index 0d2f1c37ab74..73cdaa3f3067 100644 --- a/drivers/usb/host/xhci.c +++ b/drivers/usb/host/xhci.c @@ -1362,12 +1362,17 @@ static void xhci_unmap_temp_buf(struct usb_hcd *hcd, struct urb *urb) urb->transfer_buffer_length, dir);

- if (usb_urb_dir_in(urb)) + if (usb_urb_dir_in(urb)) { len = sg_pcopy_from_buffer(urb->sg, urb->num_sgs, urb->transfer_buffer, buf_len, 0); - + if (len != buf_len) { + xhci_dbg(hcd_to_xhci(hcd), + "Copy from tmp buf to urb sg list failed\n"); + urb->actual_length = len; + } + } urb->transfer_flags &= ~URB_DMA_MAP_SINGLE; kfree(urb->transfer_buffer); urb->transfer_buffer = NULL;

From: Ohad Sharabi osharabi@habana.ai

[ Upstream commit 0f37510ca34848718db1003479bb4671e8f3c112 ]

When converting virtual address to physical we need to add correct offset to the physical page.

For this we need to use mask that include ALL bits of page offset.

Signed-off-by: Ohad Sharabi osharabi@habana.ai Reviewed-by: Oded Gabbay ogabbay@kernel.org Signed-off-by: Oded Gabbay ogabbay@kernel.org Signed-off-by: Sasha Levin sashal@kernel.org --- drivers/misc/habanalabs/common/mmu/mmu.c | 14 +++++++++++--- 1 file changed, 11 insertions(+), 3 deletions(-)

diff --git a/drivers/misc/habanalabs/common/mmu/mmu.c b/drivers/misc/habanalabs/common/mmu/mmu.c index 93c9e5f587e1..86dfa7c41ee7 100644 --- a/drivers/misc/habanalabs/common/mmu/mmu.c +++ b/drivers/misc/habanalabs/common/mmu/mmu.c @@ -501,12 +501,20 @@ static void hl_mmu_pa_page_with_offset(struct hl_ctx *ctx, u64 virt_addr,

if ((hops->range_type == HL_VA_RANGE_TYPE_DRAM) && !is_power_of_2(prop->dram_page_size)) { - u32 bit; + unsigned long dram_page_size = prop->dram_page_size; u64 page_offset_mask; u64 phys_addr_mask; + u32 bit;

- bit = __ffs64((u64)prop->dram_page_size); - page_offset_mask = ((1ull << bit) - 1); + /* + * find last set bit in page_size to cover all bits of page + * offset. note that 1 has to be added to bit index. + * note that the internal ulong variable is used to avoid + * alignment issue. + */ + bit = find_last_bit(&dram_page_size, + sizeof(dram_page_size) * BITS_PER_BYTE) + 1; + page_offset_mask = (BIT_ULL(bit) - 1); phys_addr_mask = ~page_offset_mask; *phys_addr = (tmp_phys_addr & phys_addr_mask) | (virt_addr & page_offset_mask);

From: Koby Elbaz kelbaz@habana.ai

[ Upstream commit f5eb7bf0c487a212ebda3c1b048fc3ccabacc147 ]

fix the following smatch warnings:

goya_pin_memory_before_cs() warn: '&userptr->job_node' not removed from list

gaudi_pin_memory_before_cs() warn: '&userptr->job_node' not removed from list

Signed-off-by: Koby Elbaz kelbaz@habana.ai Reviewed-by: Oded Gabbay ogabbay@kernel.org Signed-off-by: Oded Gabbay ogabbay@kernel.org Signed-off-by: Sasha Levin sashal@kernel.org --- drivers/misc/habanalabs/gaudi/gaudi.c | 1 + drivers/misc/habanalabs/goya/goya.c | 1 + 2 files changed, 2 insertions(+)

diff --git a/drivers/misc/habanalabs/gaudi/gaudi.c b/drivers/misc/habanalabs/gaudi/gaudi.c index a03f13aa47f8..0c6092ebbc04 100644 --- a/drivers/misc/habanalabs/gaudi/gaudi.c +++ b/drivers/misc/habanalabs/gaudi/gaudi.c @@ -4901,6 +4901,7 @@ already_pinned: return 0;

unpin_memory: + list_del(&userptr->job_node); hl_unpin_host_memory(hdev, userptr); free_userptr: kfree(userptr); diff --git a/drivers/misc/habanalabs/goya/goya.c b/drivers/misc/habanalabs/goya/goya.c index ed566c52ccaa..45c9065c4b92 100644 --- a/drivers/misc/habanalabs/goya/goya.c +++ b/drivers/misc/habanalabs/goya/goya.c @@ -3249,6 +3249,7 @@ already_pinned: return 0;

unpin_memory: + list_del(&userptr->job_node); hl_unpin_host_memory(hdev, userptr); free_userptr: kfree(userptr);

From: Heiko Carstens hca@linux.ibm.com

[ Upstream commit 9c9a915afd90f7534c16a71d1cd44b58596fddf3 ]

s390 is the only architecture which makes use of the __no_kasan_or_inline attribute for two functions. Given that both stap() and __load_psw_mask() are very small functions they can and should be always inlined anyway.

Therefore get rid of __no_kasan_or_inline and always inline these functions.

Signed-off-by: Heiko Carstens hca@linux.ibm.com Signed-off-by: Vasily Gorbik gor@linux.ibm.com Signed-off-by: Sasha Levin sashal@kernel.org --- arch/s390/include/asm/processor.h | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/arch/s390/include/asm/processor.h b/arch/s390/include/asm/processor.h index 023a15dc25a3..dbd380d81133 100644 --- a/arch/s390/include/asm/processor.h +++ b/arch/s390/include/asm/processor.h @@ -207,7 +207,7 @@ static __always_inline unsigned long current_stack_pointer(void) return sp; }

-static __no_kasan_or_inline unsigned short stap(void) +static __always_inline unsigned short stap(void) { unsigned short cpu_address;

@@ -246,7 +246,7 @@ static inline void __load_psw(psw_t psw) * Set PSW mask to specified value, while leaving the * PSW addr pointing to the next instruction. */ -static __no_kasan_or_inline void __load_psw_mask(unsigned long mask) +static __always_inline void __load_psw_mask(unsigned long mask) { unsigned long addr; psw_t psw;

From: Heiko Carstens hca@linux.ibm.com

[ Upstream commit 86807f348f418a84970eebb8f9912a7eea16b497 ]

The __diag260() inline asm temporarily changes the program check new psw to redirect a potential program check on the diag instruction. Restoring of the program check new psw is done in C code behind the inline asm.

This can be problematic, especially if the function is inlined, since the compiler can reorder instructions in such a way that a different instruction, which may result in a program check, might be executed before the program check new psw has been restored.

To avoid such a scenario move restoring into the inline asm. For consistency reasons move also saving of the original program check new psw into the inline asm.

Signed-off-by: Heiko Carstens hca@linux.ibm.com Signed-off-by: Vasily Gorbik gor@linux.ibm.com Signed-off-by: Sasha Levin sashal@kernel.org --- arch/s390/boot/mem_detect.c | 19 +++++++++++-------- 1 file changed, 11 insertions(+), 8 deletions(-)

diff --git a/arch/s390/boot/mem_detect.c b/arch/s390/boot/mem_detect.c index 40168e59abd3..3f093556dc3b 100644 --- a/arch/s390/boot/mem_detect.c +++ b/arch/s390/boot/mem_detect.c @@ -69,24 +69,27 @@ static int __diag260(unsigned long rx1, unsigned long rx2) register unsigned long _ry asm("4") = 0x10; /* storage configuration */ int rc = -1; /* fail */ unsigned long reg1, reg2; - psw_t old = S390_lowcore.program_new_psw; + psw_t old;

asm volatile( + " mvc 0(16,%[psw_old]),0(%[psw_pgm])\n" " epsw %0,%1\n" - " st %0,%[psw_pgm]\n" - " st %1,%[psw_pgm]+4\n" + " st %0,0(%[psw_pgm])\n" + " st %1,4(%[psw_pgm])\n" " larl %0,1f\n" - " stg %0,%[psw_pgm]+8\n" + " stg %0,8(%[psw_pgm])\n" " diag %[rx],%[ry],0x260\n" " ipm %[rc]\n" " srl %[rc],28\n" - "1:\n" + "1: mvc 0(16,%[psw_pgm]),0(%[psw_old])\n" : "=&d" (reg1), "=&a" (reg2), - [psw_pgm] "=Q" (S390_lowcore.program_new_psw), + "+Q" (S390_lowcore.program_new_psw), + "=Q" (old), [rc] "+&d" (rc), [ry] "+d" (_ry) - : [rx] "d" (_rx1), "d" (_rx2) + : [rx] "d" (_rx1), "d" (_rx2), + [psw_old] "a" (&old), + [psw_pgm] "a" (&S390_lowcore.program_new_psw) : "cc", "memory"); - S390_lowcore.program_new_psw = old; return rc == 0 ? _ry : -1; }

From: Yizhuo Zhai yzhai003@ucr.edu

[ Upstream commit cac7100d4c51c04979dacdfe6c9a5e400d3f0a27 ]

Inside function hideep_nvm_unlock(), variable "unmask_code" could be uninitialized if hideep_pgm_r_reg() returns error, however, it is used in the later if statement after an "and" operation, which is potentially unsafe.

Signed-off-by: Yizhuo yzhai003@ucr.edu Signed-off-by: Dmitry Torokhov dmitry.torokhov@gmail.com Signed-off-by: Sasha Levin sashal@kernel.org --- drivers/input/touchscreen/hideep.c | 13 ++++++++++--- 1 file changed, 10 insertions(+), 3 deletions(-)

diff --git a/drivers/input/touchscreen/hideep.c b/drivers/input/touchscreen/hideep.c index ddad4a82a5e5..e9547ee29756 100644 --- a/drivers/input/touchscreen/hideep.c +++ b/drivers/input/touchscreen/hideep.c @@ -361,13 +361,16 @@ static int hideep_enter_pgm(struct hideep_ts *ts) return -EIO; }

-static void hideep_nvm_unlock(struct hideep_ts *ts) +static int hideep_nvm_unlock(struct hideep_ts *ts) { u32 unmask_code; + int error;

hideep_pgm_w_reg(ts, HIDEEP_FLASH_CFG, HIDEEP_NVM_SFR_RPAGE); - hideep_pgm_r_reg(ts, 0x0000000C, &unmask_code); + error = hideep_pgm_r_reg(ts, 0x0000000C, &unmask_code); hideep_pgm_w_reg(ts, HIDEEP_FLASH_CFG, HIDEEP_NVM_DEFAULT_PAGE); + if (error) + return error;

/* make it unprotected code */ unmask_code &= ~HIDEEP_PROT_MODE; @@ -384,6 +387,8 @@ static void hideep_nvm_unlock(struct hideep_ts *ts) NVM_W_SFR(HIDEEP_NVM_MASK_OFS, ts->nvm_mask); SET_FLASH_HWCONTROL(); hideep_pgm_w_reg(ts, HIDEEP_FLASH_CFG, HIDEEP_NVM_DEFAULT_PAGE); + + return 0; }

static int hideep_check_status(struct hideep_ts *ts) @@ -462,7 +467,9 @@ static int hideep_program_nvm(struct hideep_ts *ts, u32 addr = 0; int error;

- hideep_nvm_unlock(ts); + error = hideep_nvm_unlock(ts); + if (error) + return error;

while (ucode_len > 0) { xfer_len = min_t(size_t, ucode_len, HIDEEP_NVM_PAGE_SIZE);

From: Greg Ungerer gerg@linux-m68k.org

[ Upstream commit 3f605ee17f8e785ba6ff69bee8e584e377a3cf28 ]

The kernel test robot reports that the "screen_bits" splash screen data is missing for the dragen platform:

arch/m68k/68000/dragen2.c:73:16: error: 'screen_bits' undeclared (first use in this function) 73 | LSSA = (long) screen_bits; | ^~~~~~~~~~~ arch/m68k/68000/dragen2.c:73:16: note: each undeclared identifier is reported only once for each function it appears in

Digging around a bit I found the screen_bits data structure was originally in a screen.h file that was generated from a screen.xbm file. That was removed in commit 0c0e6db80683 ("m68k: drop unused parts of 68VZ328 Makefile").

Other splash screen initializers for 68000 targets are kept here as the C data structures so lets do the same for this one. Add the missing screen.h file and include it in the dragen specific startup code.

Reported-by: kernel test robot lkp@intel.com Signed-off-by: Greg Ungerer gerg@linux-m68k.org Acked-by: Arnd Bergmann arnd@arndb.de Signed-off-by: Sasha Levin sashal@kernel.org --- arch/m68k/68000/dragen2.c | 1 + arch/m68k/68000/screen.h | 804 ++++++++++++++++++++++++++++++++++++++ 2 files changed, 805 insertions(+) create mode 100644 arch/m68k/68000/screen.h

diff --git a/arch/m68k/68000/dragen2.c b/arch/m68k/68000/dragen2.c index 584893c57c37..62f10a9e1ab7 100644 --- a/arch/m68k/68000/dragen2.c +++ b/arch/m68k/68000/dragen2.c @@ -11,6 +11,7 @@ #include <linux/init.h> #include <asm/machdep.h> #include <asm/MC68VZ328.h> +#include "screen.h"

/***************************************************************************/ /* Init Drangon Engine hardware */ diff --git a/arch/m68k/68000/screen.h b/arch/m68k/68000/screen.h new file mode 100644 index 000000000000..2089bdf02688 --- /dev/null +++ b/arch/m68k/68000/screen.h @@ -0,0 +1,804 @@ +/* Created with The GIMP */ +#define screen_width 320 +#define screen_height 240 +static unsigned char screen_bits[] = { + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 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0x00, 0x00, + 0x00, 0x11, 0x00, 0x09, 0x02, 0x03, 0x53, 0x15, 0x2a, 0x49, 0x4a, 0xa5, + 0x49, 0x29, 0x29, 0x24, 0x2a, 0xd5, 0x54, 0xa3, 0xff, 0xff, 0xff, 0xff, + 0xff, 0xc6, 0x00, 0x00, 0x00, 0x03, 0x1f, 0xff, 0xff, 0xfe, 0x01, 0x24, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x24, 0x02, 0x20, 0x26, 0xd4, 0xa2, + 0x49, 0xb5, 0x15, 0x4a, 0x52, 0xa9, 0x4a, 0x92, 0xa5, 0x12, 0x52, 0xa3, + 0xff, 0xff, 0xff, 0xff, 0xff, 0xc6, 0x00, 0x00, 0x00, 0x03, 0x1f, 0xff, + 0xff, 0xf0, 0x14, 0x92, 0x00, 0x00, 0x00, 0x00, 0x00, 0x84, 0x00, 0x44, + 0x00, 0x0c, 0xc4, 0xa4, 0xa8, 0x25, 0x2a, 0xaa, 0x84, 0x45, 0x28, 0xa4, + 0xa8, 0xa5, 0x4a, 0x43, 0xff, 0xff, 0xff, 0xff, 0xff, 0xc2, 0x00, 0x00, + 0x00, 0x06, 0x1f, 0xff, 0xff, 0xc0, 0x25, 0x24, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x10, 0x80, 0x12, 0x01, 0x11, 0x12, 0x8a, 0x95, 0x49, 0x55, 0x49, + 0x2a, 0xaa, 0x45, 0x0a, 0x4a, 0x94, 0xaa, 0x90, 0xff, 0xff, 0xff, 0xff, + 0xff, 0xc2, 0x00, 0x00, 0x00, 0x06, 0x1f, 0xff, 0xff, 0x02, 0x48, 0x92, + 0x00, 0x00, 0x00, 0x00, 0x02, 0x01, 0x08, 0x00, 0x22, 0x01, 0x24, 0x95, + 0x21, 0x55, 0x55, 0x2a, 0x54, 0x92, 0x94, 0xa8, 0xa9, 0x2a, 0x92, 0xa8, + 0x1f, 0xff, 0xff, 0xff, 0xff, 0x82, 0x00, 0x00, 0x00, 0x06, 0x0f, 0xff, + 0xfe, 0x02, 0x49, 0x24, 0x00, 0x00, 0x00, 0x00, 0x00, 0x60, 0x01, 0x40, + 0x00, 0xc4, 0x89, 0x11, 0x54, 0x95, 0x29, 0x49, 0x49, 0x24, 0x29, 0x12, + 0x92, 0xa5, 0x55, 0x28, 0x01, 0xff, 0xff, 0xff, 0xff, 0x82, 0x00, 0x00, + 0x00, 0x02, 0x0f, 0xff, 0xfc, 0x14, 0x92, 0x49, 0x00, 0x00, 0x00, 0x00, + 0x08, 0x42, 0x06, 0x44, 0x45, 0x08, 0x92, 0x24, 0x95, 0xaa, 0xa5, 0x52, + 0x92, 0x55, 0x42, 0x52, 0xaa, 0x4a, 0x49, 0x4a, 0x80, 0x0f, 0xff, 0xff, + 0xff, 0x84, 0x00, 0x00, 0x00, 0x00, 0x0f, 0xff, 0xf0, 0x04, 0x92, 0x49, + 0x00, 0x00, 0x00, 0x00, 0x01, 0x00, 0x2a, 0x80, 0x01, 0x95, 0x2a, 0x8a, + 0xa0, 0x95, 0x2a, 0x95, 0x54, 0xa4, 0x54, 0x84, 0x44, 0x95, 0x55, 0x29, + 0x54, 0x00, 0x7f, 0xff, 0xff, 0x00, 0x00, 0x00, 0x00, 0x00, 0x07, 0xff, + 0xe0, 0x29, 0x24, 0x92, 0x00, 0x00, 0x00, 0x00, 0x22, 0x04, 0x03, 0x03, + 0x42, 0x12, 0x52, 0x2a, 0x15, 0x55, 0x54, 0xa8, 0x92, 0xa9, 0x49, 0x29, + 0x54, 0xaa, 0x92, 0x52, 0xa5, 0x40, 0x07, 0xff, 0xff, 0x00, 0x15, 0x50, + 0x92, 0x44, 0x07, 0xff, 0xc0, 0x52, 0x54, 0xaa, 0x00, 0x00, 0x00, 0x00, + 0x84, 0x02, 0x86, 0x03, 0x08, 0x41, 0x48, 0x94, 0xa5, 0x52, 0xaa, 0x8a, + 0x49, 0x52, 0x92, 0x45, 0x49, 0x55, 0x2a, 0xaa, 0x94, 0x96, 0x00, 0x7f, + 0xfe, 0x01, 0x55, 0x2b, 0x25, 0x50, 0x03, 0xff, 0x00, 0xa4, 0x91, 0x08, + 0x00, 0x00, 0x00, 0x00, 0x88, 0x2c, 0x18, 0x14, 0x0a, 0xaa, 0x92, 0x55, + 0x49, 0x55, 0x4a, 0xa9, 0x52, 0x44, 0x92, 0x94, 0x92, 0x92, 0xca, 0x4a, + 0x55, 0x27, 0xa0, 0x0f, 0xf8, 0x05, 0x35, 0x49, 0x68, 0x91, 0x00, 0xf8, + 0x04, 0x95, 0x25, 0x29, 0x00, 0x00, 0x00, 0x01, 0x08, 0x04, 0x18, 0x00, + 0x08, 0x04, 0x49, 0x08, 0x55, 0x4a, 0xa9, 0x12, 0x95, 0x55, 0x49, 0x22, + 0x65, 0x2a, 0x5a, 0x92, 0xa9, 0x49, 0x54, 0x00, 0xe0, 0x24, 0xb2, 0x55, + 0x15, 0x4c, 0x00, 0x00, 0x02, 0x48, 0x52, 0x52, 0x00, 0x00, 0x00, 0x02, + 0x21, 0x09, 0x50, 0x81, 0x51, 0x69, 0x48, 0x52, 0x92, 0x94, 0xaa, 0x54, + 0x25, 0x54, 0x92, 0x4a, 0x89, 0x54, 0x82, 0xaa, 0x4a, 0x53, 0x55, 0x00, + 0x00, 0x49, 0x65, 0x52, 0x51, 0x12, 0x80, 0x00, 0x14, 0x92, 0x92, 0x42, + 0x00, 0x00, 0x00, 0x01, 0x00, 0x20, 0x50, 0x24, 0x2a, 0x95, 0x25, 0x29, + 0x4a, 0xb5, 0x48, 0xa5, 0x52, 0x49, 0x24, 0x94, 0xaa, 0xab, 0x15, 0x24, + 0x92, 0xa5, 0x54, 0x40, 0x00, 0xaa, 0xb5, 0x25, 0x4a, 0xa4, 0x80, 0x00, + 0x21, 0x24, 0xa8, 0x94, 0x00, 0x00, 0x00, 0x0a, 0x44, 0x02, 0xb1, 0x01, + 0x24, 0x80, 0x48, 0xa2, 0x55, 0x55, 0x52, 0x8a, 0x94, 0xaa, 0x49, 0x22, + 0x8a, 0x49, 0x49, 0x55, 0x4a, 0x51, 0x25, 0x48, 0x02, 0xa8, 0x6a, 0x69, + 0x12, 0x29, 0x50, 0x00, 0x55, 0x24, 0x81, 0x24, 0x00, 0x00, 0x00, 0x23, + 0x80, 0x90, 0x70, 0x14, 0x82, 0x55, 0x22, 0x8a, 0xa9, 0x14, 0xaa, 0xa9, + 0x25, 0x51, 0x2a, 0x55, 0x21, 0x55, 0x55, 0x12, 0x55, 0x32, 0xaa, 0x94, + 0xa5, 0x55, 0x5a, 0x92, 0x54, 0xa5, 0x52, 0x24, 0xa2, 0x49, 0x2a, 0x92, + 0x00, 0x00, 0x00, 0x0e, 0x08, 0x00, 0xe2, 0xa0, 0x04, 0x54, 0x84, 0x52, + 0x4a, 0xa4, 0xaa, 0x2a, 0xa9, 0x25, 0x45, 0x42, 0xae, 0x92, 0x44, 0xa4, + 0x91, 0x24, 0xaa, 0xaa, 0xaa, 0x91, 0x55, 0x55, 0x51, 0x55, 0x54, 0xa9, + 0x14, 0x92, 0x49, 0x24, 0x00, 0x00, 0x00, 0x24, 0x01, 0x82, 0x70, 0x09, + 0x2a, 0x41, 0x2a, 0x89, 0x14, 0x49, 0x29, 0x52, 0x4a, 0xaa, 0x2a, 0x15, + 0x12, 0xaa, 0xa9, 0x2a, 0xaa, 0xba, 0xa4, 0x94, 0x95, 0x55, 0x5a, 0x49, + 0x25, 0x20, 0x49, 0x22, 0xa5, 0x24, 0x92, 0x92, 0x00, 0x00, 0x01, 0x0c, + 0x93, 0x10, 0xe2, 0x11, 0x00, 0x94, 0x22, 0x52, 0x69, 0x53, 0x52, 0x45, + 0x49, 0x22, 0xa4, 0x4a, 0x55, 0x29, 0x2a, 0xa4, 0x52, 0x42, 0xaa, 0xa5, + 0x52, 0xa8, 0xaa, 0x55, 0x4a, 0xab, 0xa9, 0x4a, 0x54, 0x49, 0x32, 0x24 };

From: Geoffrey D. Bennett g@b4.vu

[ Upstream commit 9b5ddea9ce5a68d7d2bedcb69901ac2a86c96c7b ]

The private->vol_updated flag was being checked outside of the mutex_lock/unlock() of private->data_mutex leading to the volume data being fetched twice from the device unnecessarily or old volume data being returned.

Update scarlett2_*_ctl_get() and include the private->vol_updated flag check inside the critical region.

Signed-off-by: Geoffrey D. Bennett g@b4.vu Link: https://lore.kernel.org/r/20210620164643.GA9216@m.b4.vu Signed-off-by: Takashi Iwai tiwai@suse.de Signed-off-by: Sasha Levin sashal@kernel.org --- sound/usb/mixer_scarlett_gen2.c | 21 +++++++++------------ 1 file changed, 9 insertions(+), 12 deletions(-)

diff --git a/sound/usb/mixer_scarlett_gen2.c b/sound/usb/mixer_scarlett_gen2.c index 1982e67a0f32..2ea41c8eafd1 100644 --- a/sound/usb/mixer_scarlett_gen2.c +++ b/sound/usb/mixer_scarlett_gen2.c @@ -1033,11 +1033,10 @@ static int scarlett2_master_volume_ctl_get(struct snd_kcontrol *kctl, struct usb_mixer_interface *mixer = elem->head.mixer; struct scarlett2_mixer_data *private = mixer->private_data;

- if (private->vol_updated) { - mutex_lock(&private->data_mutex); + mutex_lock(&private->data_mutex); + if (private->vol_updated) scarlett2_update_volumes(mixer); - mutex_unlock(&private->data_mutex); - } + mutex_unlock(&private->data_mutex);

ucontrol->value.integer.value[0] = private->master_vol; return 0; @@ -1051,11 +1050,10 @@ static int scarlett2_volume_ctl_get(struct snd_kcontrol *kctl, struct scarlett2_mixer_data *private = mixer->private_data; int index = elem->control;

- if (private->vol_updated) { - mutex_lock(&private->data_mutex); + mutex_lock(&private->data_mutex); + if (private->vol_updated) scarlett2_update_volumes(mixer); - mutex_unlock(&private->data_mutex); - } + mutex_unlock(&private->data_mutex);

ucontrol->value.integer.value[0] = private->vol[index]; return 0; @@ -1319,11 +1317,10 @@ static int scarlett2_button_ctl_get(struct snd_kcontrol *kctl, struct usb_mixer_interface *mixer = elem->head.mixer; struct scarlett2_mixer_data *private = mixer->private_data;

- if (private->vol_updated) { - mutex_lock(&private->data_mutex); + mutex_lock(&private->data_mutex); + if (private->vol_updated) scarlett2_update_volumes(mixer); - mutex_unlock(&private->data_mutex); - } + mutex_unlock(&private->data_mutex);

ucontrol->value.enumerated.item[0] = private->buttons[elem->control]; return 0;

From: Ruslan Bilovol ruslan.bilovol@gmail.com

[ Upstream commit 33cb46c4676d01956811b68a29157ea969a5df70 ]

Running sparse checker it shows warning message about incorrect endianness used for descriptor initialization:

| f_hid.c:91:43: warning: incorrect type in initializer (different base types) | f_hid.c:91:43: expected restricted __le16 [usertype] bcdHID | f_hid.c:91:43: got int

Fixing issue with cpu_to_le16() macro, however this is not a real issue as the value is the same both endians.

Cc: Fabien Chouteau fabien.chouteau@barco.com Cc: Segiy Stetsyuk serg_stetsuk@ukr.net Signed-off-by: Ruslan Bilovol ruslan.bilovol@gmail.com Link: https://lore.kernel.org/r/20210617162755.29676-1-ruslan.bilovol@gmail.com Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org Signed-off-by: Sasha Levin sashal@kernel.org --- drivers/usb/gadget/function/f_hid.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/usb/gadget/function/f_hid.c b/drivers/usb/gadget/function/f_hid.c index e55699308117..a82b3de1a54b 100644 --- a/drivers/usb/gadget/function/f_hid.c +++ b/drivers/usb/gadget/function/f_hid.c @@ -88,7 +88,7 @@ static struct usb_interface_descriptor hidg_interface_desc = { static struct hid_descriptor hidg_desc = { .bLength = sizeof hidg_desc, .bDescriptorType = HID_DT_HID, - .bcdHID = 0x0101, + .bcdHID = cpu_to_le16(0x0101), .bCountryCode = 0x00, .bNumDescriptors = 0x1, /*.desc[0].bDescriptorType = DYNAMIC */

From: Benjamin Herrenschmidt benh@kernel.crashing.org

[ Upstream commit c93f80849bdd9b45d834053ae1336e28f0026c84 ]

This fixes the core devtree.c functions and the ns16550 UART backend.

Signed-off-by: Benjamin Herrenschmidt benh@kernel.crashing.org Signed-off-by: Paul Mackerras paulus@ozlabs.org Reviewed-by: Segher Boessenkool segher@kernel.crashing.org Acked-by: Nicholas Piggin npiggin@gmail.com Signed-off-by: Michael Ellerman mpe@ellerman.id.au Link: https://lore.kernel.org/r/YMwXrPT8nc4YUdJ9@thinks.paulus.ozlabs.org Signed-off-by: Sasha Levin sashal@kernel.org --- arch/powerpc/boot/devtree.c | 59 +++++++++++++++++++++---------------- arch/powerpc/boot/ns16550.c | 9 ++++-- 2 files changed, 41 insertions(+), 27 deletions(-)

diff --git a/arch/powerpc/boot/devtree.c b/arch/powerpc/boot/devtree.c index 5d91036ad626..58fbcfcc98c9 100644 --- a/arch/powerpc/boot/devtree.c +++ b/arch/powerpc/boot/devtree.c @@ -13,6 +13,7 @@ #include "string.h" #include "stdio.h" #include "ops.h" +#include "of.h"

void dt_fixup_memory(u64 start, u64 size) { @@ -23,21 +24,25 @@ void dt_fixup_memory(u64 start, u64 size) root = finddevice("/"); if (getprop(root, "#address-cells", &naddr, sizeof(naddr)) < 0) naddr = 2; + else + naddr = be32_to_cpu(naddr); if (naddr < 1 || naddr > 2) fatal("Can't cope with #address-cells == %d in /\n\r", naddr);

if (getprop(root, "#size-cells", &nsize, sizeof(nsize)) < 0) nsize = 1; + else + nsize = be32_to_cpu(nsize); if (nsize < 1 || nsize > 2) fatal("Can't cope with #size-cells == %d in /\n\r", nsize);

i = 0; if (naddr == 2) - memreg[i++] = start >> 32; - memreg[i++] = start & 0xffffffff; + memreg[i++] = cpu_to_be32(start >> 32); + memreg[i++] = cpu_to_be32(start & 0xffffffff); if (nsize == 2) - memreg[i++] = size >> 32; - memreg[i++] = size & 0xffffffff; + memreg[i++] = cpu_to_be32(size >> 32); + memreg[i++] = cpu_to_be32(size & 0xffffffff);

memory = finddevice("/memory"); if (! memory) { @@ -45,9 +50,9 @@ void dt_fixup_memory(u64 start, u64 size) setprop_str(memory, "device_type", "memory"); }

- printf("Memory <- <0x%x", memreg[0]); + printf("Memory <- <0x%x", be32_to_cpu(memreg[0])); for (i = 1; i < (naddr + nsize); i++) - printf(" 0x%x", memreg[i]); + printf(" 0x%x", be32_to_cpu(memreg[i])); printf("> (%ldMB)\n\r", (unsigned long)(size >> 20));

setprop(memory, "reg", memreg, (naddr + nsize)*sizeof(u32)); @@ -65,10 +70,10 @@ void dt_fixup_cpu_clocks(u32 cpu, u32 tb, u32 bus) printf("CPU bus-frequency <- 0x%x (%dMHz)\n\r", bus, MHZ(bus));

while ((devp = find_node_by_devtype(devp, "cpu"))) { - setprop_val(devp, "clock-frequency", cpu); - setprop_val(devp, "timebase-frequency", tb); + setprop_val(devp, "clock-frequency", cpu_to_be32(cpu)); + setprop_val(devp, "timebase-frequency", cpu_to_be32(tb)); if (bus > 0) - setprop_val(devp, "bus-frequency", bus); + setprop_val(devp, "bus-frequency", cpu_to_be32(bus)); }

timebase_period_ns = 1000000000 / tb; @@ -80,7 +85,7 @@ void dt_fixup_clock(const char *path, u32 freq)

if (devp) { printf("%s: clock-frequency <- %x (%dMHz)\n\r", path, freq, MHZ(freq)); - setprop_val(devp, "clock-frequency", freq); + setprop_val(devp, "clock-frequency", cpu_to_be32(freq)); } }

@@ -133,8 +138,12 @@ void dt_get_reg_format(void *node, u32 *naddr, u32 *nsize) { if (getprop(node, "#address-cells", naddr, 4) != 4) *naddr = 2; + else + *naddr = be32_to_cpu(*naddr); if (getprop(node, "#size-cells", nsize, 4) != 4) *nsize = 1; + else + *nsize = be32_to_cpu(*nsize); }

static void copy_val(u32 *dest, u32 *src, int naddr) @@ -163,9 +172,9 @@ static int add_reg(u32 *reg, u32 *add, int naddr) int i, carry = 0;

for (i = MAX_ADDR_CELLS - 1; i >= MAX_ADDR_CELLS - naddr; i--) { - u64 tmp = (u64)reg[i] + add[i] + carry; + u64 tmp = (u64)be32_to_cpu(reg[i]) + be32_to_cpu(add[i]) + carry; carry = tmp >> 32; - reg[i] = (u32)tmp; + reg[i] = cpu_to_be32((u32)tmp); }

return !carry; @@ -180,18 +189,18 @@ static int compare_reg(u32 *reg, u32 *range, u32 *rangesize) u32 end;

for (i = 0; i < MAX_ADDR_CELLS; i++) { - if (reg[i] < range[i]) + if (be32_to_cpu(reg[i]) < be32_to_cpu(range[i])) return 0; - if (reg[i] > range[i]) + if (be32_to_cpu(reg[i]) > be32_to_cpu(range[i])) break; }

for (i = 0; i < MAX_ADDR_CELLS; i++) { - end = range[i] + rangesize[i]; + end = be32_to_cpu(range[i]) + be32_to_cpu(rangesize[i]);

- if (reg[i] < end) + if (be32_to_cpu(reg[i]) < end) break; - if (reg[i] > end) + if (be32_to_cpu(reg[i]) > end) return 0; }

@@ -240,7 +249,6 @@ static int dt_xlate(void *node, int res, int reglen, unsigned long *addr, return 0;

dt_get_reg_format(parent, &naddr, &nsize); - if (nsize > 2) return 0;

@@ -252,10 +260,10 @@ static int dt_xlate(void *node, int res, int reglen, unsigned long *addr,

copy_val(last_addr, prop_buf + offset, naddr);

- ret_size = prop_buf[offset + naddr]; + ret_size = be32_to_cpu(prop_buf[offset + naddr]); if (nsize == 2) { ret_size <<= 32; - ret_size |= prop_buf[offset + naddr + 1]; + ret_size |= be32_to_cpu(prop_buf[offset + naddr + 1]); }

for (;;) { @@ -278,7 +286,6 @@ static int dt_xlate(void *node, int res, int reglen, unsigned long *addr,

offset = find_range(last_addr, prop_buf, prev_naddr, naddr, prev_nsize, buflen / 4); - if (offset < 0) return 0;

@@ -296,8 +303,7 @@ static int dt_xlate(void *node, int res, int reglen, unsigned long *addr, if (naddr > 2) return 0;

- ret_addr = ((u64)last_addr[2] << 32) | last_addr[3]; - + ret_addr = ((u64)be32_to_cpu(last_addr[2]) << 32) | be32_to_cpu(last_addr[3]); if (sizeof(void *) == 4 && (ret_addr >= 0x100000000ULL || ret_size > 0x100000000ULL || ret_addr + ret_size > 0x100000000ULL)) @@ -350,11 +356,14 @@ int dt_is_compatible(void *node, const char *compat) int dt_get_virtual_reg(void *node, void **addr, int nres) { unsigned long xaddr; - int n; + int n, i;

n = getprop(node, "virtual-reg", addr, nres * 4); - if (n > 0) + if (n > 0) { + for (i = 0; i < n/4; i ++) + ((u32 *)addr)[i] = be32_to_cpu(((u32 *)addr)[i]); return n / 4; + }

for (n = 0; n < nres; n++) { if (!dt_xlate_reg(node, n, &xaddr, NULL)) diff --git a/arch/powerpc/boot/ns16550.c b/arch/powerpc/boot/ns16550.c index b0da4466d419..f16d2be1d0f3 100644 --- a/arch/powerpc/boot/ns16550.c +++ b/arch/powerpc/boot/ns16550.c @@ -15,6 +15,7 @@ #include "stdio.h" #include "io.h" #include "ops.h" +#include "of.h"

#define UART_DLL 0 /* Out: Divisor Latch Low */ #define UART_DLM 1 /* Out: Divisor Latch High */ @@ -58,16 +59,20 @@ int ns16550_console_init(void *devp, struct serial_console_data *scdp) int n; u32 reg_offset;

- if (dt_get_virtual_reg(devp, (void **)&reg_base, 1) < 1) + if (dt_get_virtual_reg(devp, (void **)&reg_base, 1) < 1) { + printf("virt reg parse fail...\r\n"); return -1; + }

n = getprop(devp, "reg-offset", &reg_offset, sizeof(reg_offset)); if (n == sizeof(reg_offset)) - reg_base += reg_offset; + reg_base += be32_to_cpu(reg_offset);

n = getprop(devp, "reg-shift", &reg_shift, sizeof(reg_shift)); if (n != sizeof(reg_shift)) reg_shift = 0; + else + reg_shift = be32_to_cpu(reg_shift);

scdp->open = ns16550_open; scdp->putc = ns16550_putc;

From: Pierre-Louis Bossart pierre-louis.bossart@linux.intel.com

[ Upstream commit 94efd726b947f265bd313605c9f73edec5469d65 ]

Sparse throws the following warnings:

sound/soc/intel/boards/kbl_da7219_max98357a.c:647:25: error: too long initializer-string for array of char(no space for nul char)

Fix by using the 'mx' acronym for Maxim.

Signed-off-by: Pierre-Louis Bossart pierre-louis.bossart@linux.intel.com Reviewed-by: Paul Olaru paul.olaru@oss.nxp.com Reviewed-by: Guennadi Liakhovetski guennadi.liakhovetski@linux.intel.com Reviewed-by: Rander Wang rander.wang@intel.com Link: https://lore.kernel.org/r/20210621194057.21711-6-pierre-louis.bossart@linux.... Signed-off-by: Mark Brown broonie@kernel.org Signed-off-by: Sasha Levin sashal@kernel.org --- sound/soc/intel/boards/kbl_da7219_max98357a.c | 4 ++-- sound/soc/intel/common/soc-acpi-intel-kbl-match.c | 2 +- 2 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/sound/soc/intel/boards/kbl_da7219_max98357a.c b/sound/soc/intel/boards/kbl_da7219_max98357a.c index dc3d897ad280..36f1f49e0b76 100644 --- a/sound/soc/intel/boards/kbl_da7219_max98357a.c +++ b/sound/soc/intel/boards/kbl_da7219_max98357a.c @@ -594,7 +594,7 @@ static int kabylake_audio_probe(struct platform_device *pdev)

static const struct platform_device_id kbl_board_ids[] = { { - .name = "kbl_da7219_max98357a", + .name = "kbl_da7219_mx98357a", .driver_data = (kernel_ulong_t)&kabylake_audio_card_da7219_m98357a, }, @@ -616,4 +616,4 @@ module_platform_driver(kabylake_audio) MODULE_DESCRIPTION("Audio Machine driver-DA7219 & MAX98357A in I2S mode"); MODULE_AUTHOR("Naveen Manohar naveen.m@intel.com"); MODULE_LICENSE("GPL v2"); -MODULE_ALIAS("platform:kbl_da7219_max98357a"); +MODULE_ALIAS("platform:kbl_da7219_mx98357a"); diff --git a/sound/soc/intel/common/soc-acpi-intel-kbl-match.c b/sound/soc/intel/common/soc-acpi-intel-kbl-match.c index 47dadc9d5d2a..ba5ff468c265 100644 --- a/sound/soc/intel/common/soc-acpi-intel-kbl-match.c +++ b/sound/soc/intel/common/soc-acpi-intel-kbl-match.c @@ -113,7 +113,7 @@ struct snd_soc_acpi_mach snd_soc_acpi_intel_kbl_machines[] = { }, { .id = "DLGS7219", - .drv_name = "kbl_da7219_max98373", + .drv_name = "kbl_da7219_mx98373", .fw_filename = "intel/dsp_fw_kbl.bin", .machine_quirk = snd_soc_acpi_codec_list, .quirk_data = &kbl_7219_98373_codecs,

From: Jiajun Cao jjcao20@fudan.edu.cn

[ Upstream commit 8c13212443230d03ff25014514ec0d53498c0912 ]

The function hda_tegra_first_init() neglects to check the return value after executing platform_get_irq().

hda_tegra_first_init() should check the return value (if negative error number) for errors so as to not pass a negative value to the devm_request_irq().

Fix it by adding a check for the return value irq_id.

Signed-off-by: Jiajun Cao jjcao20@fudan.edu.cn Signed-off-by: Xin Tan tanxin.ctf@gmail.com Reviewed-by: Thierry Reding treding@nvidia.com Link: https://lore.kernel.org/r/20210622131947.94346-1-jjcao20@fudan.edu.cn Signed-off-by: Takashi Iwai tiwai@suse.de Signed-off-by: Sasha Levin sashal@kernel.org --- sound/pci/hda/hda_tegra.c | 3 +++ 1 file changed, 3 insertions(+)

diff --git a/sound/pci/hda/hda_tegra.c b/sound/pci/hda/hda_tegra.c index 6f2b743b9d75..6c6dc3fcde60 100644 --- a/sound/pci/hda/hda_tegra.c +++ b/sound/pci/hda/hda_tegra.c @@ -262,6 +262,9 @@ static int hda_tegra_first_init(struct azx *chip, struct platform_device *pdev) const char *sname, *drv_name = "tegra-hda"; struct device_node *np = pdev->dev.of_node;

+ if (irq_id < 0) + return irq_id; + err = hda_tegra_init_chip(chip, pdev); if (err) return err;

From: Takashi Sakamoto o-takashi@sakamocchi.jp

[ Upstream commit fa4db23233eb912234bdfb0b26a38be079c6b5ea ]

The devices in protocol version 2 has a register with flag for IEC 60958 signal detection as source of sampling clock without discrimination between coaxial and optical interfaces. On the other hand, current implementation of driver manage to interpret type of signal on optical interface instead.

This commit fixes the detection of optical/coaxial interface for S/PDIF signal.

Signed-off-by: Takashi Sakamoto o-takashi@sakamocchi.jp Link: https://lore.kernel.org/r/20210623075941.72562-2-o-takashi@sakamocchi.jp Signed-off-by: Takashi Iwai tiwai@suse.de Signed-off-by: Sasha Levin sashal@kernel.org --- sound/firewire/motu/motu-protocol-v2.c | 13 ++++++------- 1 file changed, 6 insertions(+), 7 deletions(-)

diff --git a/sound/firewire/motu/motu-protocol-v2.c b/sound/firewire/motu/motu-protocol-v2.c index 784073aa1026..f0a0ecad4d74 100644 --- a/sound/firewire/motu/motu-protocol-v2.c +++ b/sound/firewire/motu/motu-protocol-v2.c @@ -86,24 +86,23 @@ static int detect_clock_source_optical_model(struct snd_motu *motu, u32 data, *src = SND_MOTU_CLOCK_SOURCE_INTERNAL; break; case 1: + *src = SND_MOTU_CLOCK_SOURCE_ADAT_ON_OPT; + break; + case 2: { __be32 reg;

// To check the configuration of optical interface. - int err = snd_motu_transaction_read(motu, V2_IN_OUT_CONF_OFFSET, - &reg, sizeof(reg)); + int err = snd_motu_transaction_read(motu, V2_IN_OUT_CONF_OFFSET, &reg, sizeof(reg)); if (err < 0) return err;

- if (be32_to_cpu(reg) & 0x00000200) + if (((data & V2_OPT_IN_IFACE_MASK) >> V2_OPT_IN_IFACE_SHIFT) == V2_OPT_IFACE_MODE_SPDIF) *src = SND_MOTU_CLOCK_SOURCE_SPDIF_ON_OPT; else - *src = SND_MOTU_CLOCK_SOURCE_ADAT_ON_OPT; + *src = SND_MOTU_CLOCK_SOURCE_SPDIF_ON_COAX; break; } - case 2: - *src = SND_MOTU_CLOCK_SOURCE_SPDIF_ON_COAX; - break; case 3: *src = SND_MOTU_CLOCK_SOURCE_SPH; break;

From: Fabio Aiuto fabioaiuto83@gmail.com

[ Upstream commit 6d490a27e23c5fb79b766530016ab8665169498e ]

fix IQK_Matrix_Settings_NUM macro value to 14 which is the max channel number value allowed in a 2.4Ghz device.

Acked-by: Hans de Goede hdegoede@redhat.com Signed-off-by: Fabio Aiuto fabioaiuto83@gmail.com Link: https://lore.kernel.org/r/0b4a876929949248aa18cb919da3583c65e4ee4e.162436707... Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org Signed-off-by: Sasha Levin sashal@kernel.org --- drivers/staging/rtl8723bs/hal/odm.h | 5 +---- 1 file changed, 1 insertion(+), 4 deletions(-)

diff --git a/drivers/staging/rtl8723bs/hal/odm.h b/drivers/staging/rtl8723bs/hal/odm.h index 16e8f66a3171..a8d232245227 100644 --- a/drivers/staging/rtl8723bs/hal/odm.h +++ b/drivers/staging/rtl8723bs/hal/odm.h @@ -197,10 +197,7 @@ typedef struct _ODM_RATE_ADAPTIVE {

#define AVG_THERMAL_NUM 8 #define IQK_Matrix_REG_NUM 8 -#define IQK_Matrix_Settings_NUM (14 + 24 + 21) /* Channels_2_4G_NUM - * + Channels_5G_20M_NUM - * + Channels_5G - */ +#define IQK_Matrix_Settings_NUM 14 /* Channels_2_4G_NUM */

#define DM_Type_ByFW 0 #define DM_Type_ByDriver 1

From: Dmitry Torokhov dmitry.torokhov@gmail.com

[ Upstream commit b64210f2f7c11c757432ba3701d88241b2b98fb1 ]

If an i2c client receives an interrupt during reboot or shutdown it may be too late to service it by making an i2c transaction on the bus because the i2c controller has already been shutdown. This can lead to system hangs if the i2c controller tries to make a transfer that is doomed to fail because the access to the i2c pins is already shut down, or an iommu translation has been torn down so i2c controller register access doesn't work.

Let's simply disable the irq if there isn't a shutdown callback for an i2c client when there is an irq associated with the device. This will make sure that irqs don't come in later than the time that we can handle it. We don't do this if the i2c client device already has a shutdown callback because presumably they're doing the right thing and quieting the device so irqs don't come in after the shutdown callback returns.

Reported-by: kernel test robot lkp@intel.com [swboyd@chromium.org: Dropped newline, added commit text, added interrupt.h for robot build error] Signed-off-by: Stephen Boyd swboyd@chromium.org Signed-off-by: Dmitry Torokhov dmitry.torokhov@gmail.com Signed-off-by: Wolfram Sang wsa@kernel.org Signed-off-by: Sasha Levin sashal@kernel.org --- drivers/i2c/i2c-core-base.c | 3 +++ 1 file changed, 3 insertions(+)

diff --git a/drivers/i2c/i2c-core-base.c b/drivers/i2c/i2c-core-base.c index f21362355973..8e4be0d4ce34 100644 --- a/drivers/i2c/i2c-core-base.c +++ b/drivers/i2c/i2c-core-base.c @@ -24,6 +24,7 @@ #include <linux/i2c-smbus.h> #include <linux/idr.h> #include <linux/init.h> +#include <linux/interrupt.h> #include <linux/irqflags.h> #include <linux/jump_label.h> #include <linux/kernel.h> @@ -587,6 +588,8 @@ static void i2c_device_shutdown(struct device *dev) driver = to_i2c_driver(dev->driver); if (driver->shutdown) driver->shutdown(client); + else if (client->irq > 0) + disable_irq(client->irq); }

static void i2c_client_dev_release(struct device *dev)

From: Dimitri John Ledkov dimitri.ledkov@canonical.com

[ Upstream commit 2c484419efc09e7234c667aa72698cb79ba8d8ed ]

lz4 compatible decompressor is simple. The format is underspecified and relies on EOF notification to determine when to stop. Initramfs buffer format[1] explicitly states that it can have arbitrary number of zero padding. Thus when operating without a fill function, be extra careful to ensure that sizes less than 4, or apperantly empty chunksizes are treated as EOF.

To test this I have created two cpio initrds, first a normal one, main.cpio. And second one with just a single /test-file with content "second" second.cpio. Then i compressed both of them with gzip, and with lz4 -l. Then I created a padding of 4 bytes (dd if=/dev/zero of=pad4 bs=1 count=4). To create four testcase initrds:

1) main.cpio.gzip + extra.cpio.gzip = pad0.gzip 2) main.cpio.lz4 + extra.cpio.lz4 = pad0.lz4 3) main.cpio.gzip + pad4 + extra.cpio.gzip = pad4.gzip 4) main.cpio.lz4 + pad4 + extra.cpio.lz4 = pad4.lz4

The pad4 test-cases replicate the initrd load by grub, as it pads and aligns every initrd it loads.

All of the above boot, however /test-file was not accessible in the initrd for the testcase #4, as decoding in lz4 decompressor failed. Also an error message printed which usually is harmless.

Whith a patched kernel, all of the above testcases now pass, and /test-file is accessible.

This fixes lz4 initrd decompress warning on every boot with grub. And more importantly this fixes inability to load multiple lz4 compressed initrds with grub. This patch has been shipping in Ubuntu kernels since January 2021.

[1] ./Documentation/driver-api/early-userspace/buffer-format.rst

BugLink: https://bugs.launchpad.net/bugs/1835660 Link: https://lore.kernel.org/lkml/20210114200256.196589-1-xnox@ubuntu.com/ # v0 Link: https://lkml.kernel.org/r/20210513104831.432975-1-dimitri.ledkov@canonical.c... Signed-off-by: Dimitri John Ledkov dimitri.ledkov@canonical.com Cc: Kyungsik Lee kyungsik.lee@lge.com Cc: Yinghai Lu yinghai@kernel.org Cc: Bongkyu Kim bongkyu.kim@lge.com Cc: Kees Cook keescook@chromium.org Cc: Sven Schmidt 4sschmid@informatik.uni-hamburg.de Cc: Rajat Asthana thisisrast7@gmail.com Cc: Nick Terrell terrelln@fb.com Cc: Gao Xiang hsiangkao@redhat.com Signed-off-by: Andrew Morton akpm@linux-foundation.org Signed-off-by: Linus Torvalds torvalds@linux-foundation.org Signed-off-by: Sasha Levin sashal@kernel.org --- lib/decompress_unlz4.c | 8 ++++++++ 1 file changed, 8 insertions(+)

diff --git a/lib/decompress_unlz4.c b/lib/decompress_unlz4.c index c0cfcfd486be..e6327391b6b6 100644 --- a/lib/decompress_unlz4.c +++ b/lib/decompress_unlz4.c @@ -112,6 +112,9 @@ STATIC inline int INIT unlz4(u8 *input, long in_len, error("data corrupted"); goto exit_2; } + } else if (size < 4) { + /* empty or end-of-file */ + goto exit_3; }

chunksize = get_unaligned_le32(inp); @@ -125,6 +128,10 @@ STATIC inline int INIT unlz4(u8 *input, long in_len, continue; }

+ if (!fill && chunksize == 0) { + /* empty or end-of-file */ + goto exit_3; + }

if (posp) *posp += 4; @@ -184,6 +191,7 @@ STATIC inline int INIT unlz4(u8 *input, long in_len, } }

+exit_3: ret = 0; exit_2: if (!input)

From: Zou Wei zou_wei@huawei.com

[ Upstream commit 603fcfb9d4ec1cad8d66d3bb37f3613afa8a661a ]

This patch adds missing MODULE_DEVICE_TABLE definition which generates correct modalias for automatic loading of this driver when it is built as an external module.

Reported-by: Hulk Robot hulkci@huawei.com Signed-off-by: Zou Wei zou_wei@huawei.com Signed-off-by: Sebastian Reichel sebastian.reichel@collabora.com Signed-off-by: Sasha Levin sashal@kernel.org --- drivers/power/supply/sc27xx_fuel_gauge.c | 1 + 1 file changed, 1 insertion(+)

diff --git a/drivers/power/supply/sc27xx_fuel_gauge.c b/drivers/power/supply/sc27xx_fuel_gauge.c index 9c627618c224..1ae8374e1ceb 100644 --- a/drivers/power/supply/sc27xx_fuel_gauge.c +++ b/drivers/power/supply/sc27xx_fuel_gauge.c @@ -1342,6 +1342,7 @@ static const struct of_device_id sc27xx_fgu_of_match[] = { { .compatible = "sprd,sc2731-fgu", }, { } }; +MODULE_DEVICE_TABLE(of, sc27xx_fgu_of_match);

static struct platform_driver sc27xx_fgu_driver = { .probe = sc27xx_fgu_probe,

From: Uwe Kleine-König u.kleine-koenig@pengutronix.de

[ Upstream commit b601a18f12383001e7a8da238de7ca1559ebc450 ]

A consumer is expected to disable a PWM before calling pwm_put(). And if they didn't there is hopefully a good reason (or the consumer needs fixing). Also if disabling an enabled PWM was the right thing to do, this should better be done in the framework instead of in each low level driver.

So drop the hardware modification from the .remove() callback.

Signed-off-by: Uwe Kleine-König u.kleine-koenig@pengutronix.de Signed-off-by: Thierry Reding thierry.reding@gmail.com Signed-off-by: Sasha Levin sashal@kernel.org --- drivers/pwm/pwm-spear.c | 4 ---- 1 file changed, 4 deletions(-)

diff --git a/drivers/pwm/pwm-spear.c b/drivers/pwm/pwm-spear.c index f63b54aae1b4..7467e03d2fb5 100644 --- a/drivers/pwm/pwm-spear.c +++ b/drivers/pwm/pwm-spear.c @@ -229,10 +229,6 @@ static int spear_pwm_probe(struct platform_device *pdev) static int spear_pwm_remove(struct platform_device *pdev) { struct spear_pwm_chip *pc = platform_get_drvdata(pdev); - int i; - - for (i = 0; i < NUM_PWM; i++) - pwm_disable(&pc->chip.pwms[i]);

/* clk was prepared in probe, hence unprepare it here */ clk_unprepare(pc->clk);

From: Linus Walleij linus.walleij@linaro.org

[ Upstream commit 5bcb5087c9dd3dca1ff0ebd8002c5313c9332b56 ]

Sometimes the code will crash because we haven't enabled AC or USB charging and thus not created the corresponding psy device. Fix it by checking that it is there before notifying.

Signed-off-by: Linus Walleij linus.walleij@linaro.org Signed-off-by: Sebastian Reichel sebastian.reichel@collabora.com Signed-off-by: Sasha Levin sashal@kernel.org --- drivers/power/supply/ab8500_charger.c | 18 +++++++++++++++++- 1 file changed, 17 insertions(+), 1 deletion(-)

diff --git a/drivers/power/supply/ab8500_charger.c b/drivers/power/supply/ab8500_charger.c index ac77c8882d17..893185448284 100644 --- a/drivers/power/supply/ab8500_charger.c +++ b/drivers/power/supply/ab8500_charger.c @@ -413,6 +413,14 @@ disable_otp: static void ab8500_power_supply_changed(struct ab8500_charger *di, struct power_supply *psy) { + /* + * This happens if we get notifications or interrupts and + * the platform has been configured not to support one or + * other type of charging. + */ + if (!psy) + return; + if (di->autopower_cfg) { if (!di->usb.charger_connected && !di->ac.charger_connected && @@ -439,7 +447,15 @@ static void ab8500_charger_set_usb_connected(struct ab8500_charger *di, if (!connected) di->flags.vbus_drop_end = false;

- sysfs_notify(&di->usb_chg.psy->dev.kobj, NULL, "present"); + /* + * Sometimes the platform is configured not to support + * USB charging and no psy has been created, but we still + * will get these notifications. + */ + if (di->usb_chg.psy) { + sysfs_notify(&di->usb_chg.psy->dev.kobj, NULL, + "present"); + }

if (connected) { mutex_lock(&di->charger_attached_mutex);

From: Krzysztof Kozlowski krzk@kernel.org

[ Upstream commit 7fbf6b731bca347700e460d94b130f9d734b33e9 ]

Interrupt line can be configured on different hardware in different way, even inverted. Therefore driver should not enforce specific trigger type - edge falling - but instead rely on Devicetree to configure it.

The Maxim 17047/77693 datasheets describe the interrupt line as active low with a requirement of acknowledge from the CPU therefore the edge falling is not correct.

The interrupt line is shared between PMIC and RTC driver, so using level sensitive interrupt is here especially important to avoid races. With an edge configuration in case if first PMIC signals interrupt followed shortly after by the RTC, the interrupt might not be yet cleared/acked thus the second one would not be noticed.

Signed-off-by: Krzysztof Kozlowski krzk@kernel.org Signed-off-by: Sebastian Reichel sebastian.reichel@collabora.com Signed-off-by: Sasha Levin sashal@kernel.org --- drivers/power/supply/max17042_battery.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/power/supply/max17042_battery.c b/drivers/power/supply/max17042_battery.c index 79d4b5988360..8117ecabe31c 100644 --- a/drivers/power/supply/max17042_battery.c +++ b/drivers/power/supply/max17042_battery.c @@ -1104,7 +1104,7 @@ static int max17042_probe(struct i2c_client *client, }

if (client->irq) { - unsigned int flags = IRQF_TRIGGER_FALLING | IRQF_ONESHOT; + unsigned int flags = IRQF_ONESHOT;

/* * On ACPI systems the IRQ may be handled by ACPI-event code,

From: Nick Desaulniers ndesaulniers@google.com

[ Upstream commit 8b95a7d90ce8160ac5cffd5bace6e2eba01a871e ]

There's a few instructions that GAS infers operands but Clang doesn't; from what I can tell the Arm ARM doesn't say these are optional.

F5.1.257 TBB, TBH T1 Halfword variant F5.1.238 STREXD T1 variant F5.1.84 LDREXD T1 variant

Link: https://github.com/ClangBuiltLinux/linux/issues/1309

Signed-off-by: Nick Desaulniers ndesaulniers@google.com Reviewed-by: Jian Cai jiancai@google.com Signed-off-by: Russell King rmk+kernel@armlinux.org.uk Signed-off-by: Sasha Levin sashal@kernel.org --- arch/arm/probes/kprobes/test-thumb.c | 10 +++++----- 1 file changed, 5 insertions(+), 5 deletions(-)

diff --git a/arch/arm/probes/kprobes/test-thumb.c b/arch/arm/probes/kprobes/test-thumb.c index 456c181a7bfe..4e11f0b760f8 100644 --- a/arch/arm/probes/kprobes/test-thumb.c +++ b/arch/arm/probes/kprobes/test-thumb.c @@ -441,21 +441,21 @@ void kprobe_thumb32_test_cases(void) "3: mvn r0, r0 \n\t" "2: nop \n\t")

- TEST_RX("tbh [pc, r",7, (9f-(1f+4))>>1,"]", + TEST_RX("tbh [pc, r",7, (9f-(1f+4))>>1,", lsl #1]", "9: \n\t" ".short (2f-1b-4)>>1 \n\t" ".short (3f-1b-4)>>1 \n\t" "3: mvn r0, r0 \n\t" "2: nop \n\t")

- TEST_RX("tbh [pc, r",12, ((9f-(1f+4))>>1)+1,"]", + TEST_RX("tbh [pc, r",12, ((9f-(1f+4))>>1)+1,", lsl #1]", "9: \n\t" ".short (2f-1b-4)>>1 \n\t" ".short (3f-1b-4)>>1 \n\t" "3: mvn r0, r0 \n\t" "2: nop \n\t")

- TEST_RRX("tbh [r",1,9f, ", r",14,1,"]", + TEST_RRX("tbh [r",1,9f, ", r",14,1,", lsl #1]", "9: \n\t" ".short (2f-1b-4)>>1 \n\t" ".short (3f-1b-4)>>1 \n\t" @@ -468,10 +468,10 @@ void kprobe_thumb32_test_cases(void)

TEST_UNSUPPORTED("strexb r0, r1, [r2]") TEST_UNSUPPORTED("strexh r0, r1, [r2]") - TEST_UNSUPPORTED("strexd r0, r1, [r2]") + TEST_UNSUPPORTED("strexd r0, r1, r2, [r2]") TEST_UNSUPPORTED("ldrexb r0, [r1]") TEST_UNSUPPORTED("ldrexh r0, [r1]") - TEST_UNSUPPORTED("ldrexd r0, [r1]") + TEST_UNSUPPORTED("ldrexd r0, r1, [r1]")

TEST_GROUP("Data-processing (shifted register) and (modified immediate)")

From: Trond Myklebust trond.myklebust@hammerspace.com

[ Upstream commit be20037725d17935ec669044bd2b15bc40c3b5ab ]

If we're unable to immediately recover all locks because the server is unable to immediately service our reclaim calls, then we want to retry after we've finished servicing all the other asynchronous delegation returns on our queue.

Signed-off-by: Trond Myklebust trond.myklebust@hammerspace.com Signed-off-by: Sasha Levin sashal@kernel.org --- fs/nfs/delegation.c | 71 +++++++++++++++++++++++++++++++++++---------- fs/nfs/delegation.h | 1 + fs/nfs/nfs4_fs.h | 1 + 3 files changed, 58 insertions(+), 15 deletions(-)

diff --git a/fs/nfs/delegation.c b/fs/nfs/delegation.c index 04bf8066980c..d6ac2c4f88b6 100644 --- a/fs/nfs/delegation.c +++ b/fs/nfs/delegation.c @@ -75,6 +75,13 @@ void nfs_mark_delegation_referenced(struct nfs_delegation *delegation) set_bit(NFS_DELEGATION_REFERENCED, &delegation->flags); }

+static void nfs_mark_return_delegation(struct nfs_server *server, + struct nfs_delegation *delegation) +{ + set_bit(NFS_DELEGATION_RETURN, &delegation->flags); + set_bit(NFS4CLNT_DELEGRETURN, &server->nfs_client->cl_state); +} + static bool nfs4_is_valid_delegation(const struct nfs_delegation *delegation, fmode_t flags) @@ -293,6 +300,7 @@ nfs_start_delegation_return_locked(struct nfs_inode *nfsi) goto out; spin_lock(&delegation->lock); if (!test_and_set_bit(NFS_DELEGATION_RETURNING, &delegation->flags)) { + clear_bit(NFS_DELEGATION_RETURN_DELAYED, &delegation->flags); /* Refcount matched in nfs_end_delegation_return() */ ret = nfs_get_delegation(delegation); } @@ -314,16 +322,17 @@ nfs_start_delegation_return(struct nfs_inode *nfsi) return delegation; }

-static void -nfs_abort_delegation_return(struct nfs_delegation *delegation, - struct nfs_client *clp) +static void nfs_abort_delegation_return(struct nfs_delegation *delegation, + struct nfs_client *clp, int err) {

spin_lock(&delegation->lock); clear_bit(NFS_DELEGATION_RETURNING, &delegation->flags); - set_bit(NFS_DELEGATION_RETURN, &delegation->flags); + if (err == -EAGAIN) { + set_bit(NFS_DELEGATION_RETURN_DELAYED, &delegation->flags); + set_bit(NFS4CLNT_DELEGRETURN_DELAYED, &clp->cl_state); + } spin_unlock(&delegation->lock); - set_bit(NFS4CLNT_DELEGRETURN, &clp->cl_state); }

static struct nfs_delegation * @@ -528,7 +537,7 @@ static int nfs_end_delegation_return(struct inode *inode, struct nfs_delegation } while (err == 0);

if (err) { - nfs_abort_delegation_return(delegation, clp); + nfs_abort_delegation_return(delegation, clp, err); goto out; }

@@ -557,6 +566,7 @@ static bool nfs_delegation_need_return(struct nfs_delegation *delegation) if (ret) clear_bit(NFS_DELEGATION_RETURN_IF_CLOSED, &delegation->flags); if (test_bit(NFS_DELEGATION_RETURNING, &delegation->flags) || + test_bit(NFS_DELEGATION_RETURN_DELAYED, &delegation->flags) || test_bit(NFS_DELEGATION_REVOKED, &delegation->flags)) ret = false;

@@ -636,6 +646,38 @@ out: return err; }

+static bool nfs_server_clear_delayed_delegations(struct nfs_server *server) +{ + struct nfs_delegation *d; + bool ret = false; + + list_for_each_entry_rcu (d, &server->delegations, super_list) { + if (!test_bit(NFS_DELEGATION_RETURN_DELAYED, &d->flags)) + continue; + nfs_mark_return_delegation(server, d); + clear_bit(NFS_DELEGATION_RETURN_DELAYED, &d->flags); + ret = true; + } + return ret; +} + +static bool nfs_client_clear_delayed_delegations(struct nfs_client *clp) +{ + struct nfs_server *server; + bool ret = false; + + if (!test_and_clear_bit(NFS4CLNT_DELEGRETURN_DELAYED, &clp->cl_state)) + goto out; + rcu_read_lock(); + list_for_each_entry_rcu (server, &clp->cl_superblocks, client_link) { + if (nfs_server_clear_delayed_delegations(server)) + ret = true; + } + rcu_read_unlock(); +out: + return ret; +} + /** * nfs_client_return_marked_delegations - return previously marked delegations * @clp: nfs_client to process @@ -648,8 +690,14 @@ out: */ int nfs_client_return_marked_delegations(struct nfs_client *clp) { - return nfs_client_for_each_server(clp, - nfs_server_return_marked_delegations, NULL); + int err = nfs_client_for_each_server( + clp, nfs_server_return_marked_delegations, NULL); + if (err) + return err; + /* If a return was delayed, sleep to prevent hard looping */ + if (nfs_client_clear_delayed_delegations(clp)) + ssleep(1); + return 0; }

/** @@ -764,13 +812,6 @@ static void nfs_mark_return_if_closed_delegation(struct nfs_server *server, set_bit(NFS4CLNT_DELEGRETURN, &server->nfs_client->cl_state); }

-static void nfs_mark_return_delegation(struct nfs_server *server, - struct nfs_delegation *delegation) -{ - set_bit(NFS_DELEGATION_RETURN, &delegation->flags); - set_bit(NFS4CLNT_DELEGRETURN, &server->nfs_client->cl_state); -} - static bool nfs_server_mark_return_all_delegations(struct nfs_server *server) { struct nfs_delegation *delegation; diff --git a/fs/nfs/delegation.h b/fs/nfs/delegation.h index 9b00a0b7f832..26f57a99da84 100644 --- a/fs/nfs/delegation.h +++ b/fs/nfs/delegation.h @@ -36,6 +36,7 @@ enum { NFS_DELEGATION_REVOKED, NFS_DELEGATION_TEST_EXPIRED, NFS_DELEGATION_INODE_FREEING, + NFS_DELEGATION_RETURN_DELAYED, };

int nfs_inode_set_delegation(struct inode *inode, const struct cred *cred, diff --git a/fs/nfs/nfs4_fs.h b/fs/nfs/nfs4_fs.h index 543d916f79ab..3e344bec3647 100644 --- a/fs/nfs/nfs4_fs.h +++ b/fs/nfs/nfs4_fs.h @@ -45,6 +45,7 @@ enum nfs4_client_state { NFS4CLNT_RECALL_RUNNING, NFS4CLNT_RECALL_ANY_LAYOUT_READ, NFS4CLNT_RECALL_ANY_LAYOUT_RW, + NFS4CLNT_DELEGRETURN_DELAYED, };

#define NFS4_RENEW_TIMEOUT 0x01

From: Russell King rmk+kernel@armlinux.org.uk

[ Upstream commit 8fe55ef23387ce3c7488375b1fd539420d7654bb ]

Attempting to boot 32-bit ARM kernels under QEMU's 3.x virt models fails when we have more than 512M of RAM in the model as we run out of vmalloc space for the PCI ECAM regions. This failure will be silent when running libvirt, as the console in that situation is a PCI device.

In this configuration, the kernel maps the whole ECAM, which QEMU sets up for 256 buses, even when maybe only seven buses are in use. Each bus uses 1M of ECAM space, and ioremap() adds an additional guard page between allocations. The kernel vmap allocator will align these regions to 512K, resulting in each mapping eating 1.5M of vmalloc space. This means we need 384M of vmalloc space just to map all of these, which is very wasteful of resources.

Fix this by only mapping the ECAM for buses we are going to be using. In my setups, this is around seven buses in most guests, which is 10.5M of vmalloc space - way smaller than the 384M that would otherwise be required. This also means that the kernel can boot without forcing extra RAM into highmem with the vmalloc= argument, or decreasing the virtual RAM available to the guest.

Suggested-by: Arnd Bergmann arnd@arndb.de Link: https://lore.kernel.org/r/E1lhCAV-0002yb-50@rmk-PC.armlinux.org.uk Signed-off-by: Russell King rmk+kernel@armlinux.org.uk Signed-off-by: Bjorn Helgaas bhelgaas@google.com Reviewed-by: Arnd Bergmann arnd@arndb.de Signed-off-by: Sasha Levin sashal@kernel.org --- drivers/pci/ecam.c | 54 ++++++++++++++++++++++++++++++++++------ include/linux/pci-ecam.h | 1 + 2 files changed, 47 insertions(+), 8 deletions(-)

diff --git a/drivers/pci/ecam.c b/drivers/pci/ecam.c index d2a1920bb055..1c40d2506aef 100644 --- a/drivers/pci/ecam.c +++ b/drivers/pci/ecam.c @@ -32,7 +32,7 @@ struct pci_config_window *pci_ecam_create(struct device *dev, struct pci_config_window *cfg; unsigned int bus_range, bus_range_max, bsz; struct resource *conflict; - int i, err; + int err;

if (busr->start > busr->end) return ERR_PTR(-EINVAL); @@ -50,6 +50,7 @@ struct pci_config_window *pci_ecam_create(struct device *dev, cfg->busr.start = busr->start; cfg->busr.end = busr->end; cfg->busr.flags = IORESOURCE_BUS; + cfg->bus_shift = bus_shift; bus_range = resource_size(&cfg->busr); bus_range_max = resource_size(cfgres) >> bus_shift; if (bus_range > bus_range_max) { @@ -77,13 +78,6 @@ struct pci_config_window *pci_ecam_create(struct device *dev, cfg->winp = kcalloc(bus_range, sizeof(*cfg->winp), GFP_KERNEL); if (!cfg->winp) goto err_exit_malloc; - for (i = 0; i < bus_range; i++) { - cfg->winp[i] = - pci_remap_cfgspace(cfgres->start + i * bsz, - bsz); - if (!cfg->winp[i]) - goto err_exit_iomap; - } } else { cfg->win = pci_remap_cfgspace(cfgres->start, bus_range * bsz); if (!cfg->win) @@ -129,6 +123,44 @@ void pci_ecam_free(struct pci_config_window *cfg) } EXPORT_SYMBOL_GPL(pci_ecam_free);

+static int pci_ecam_add_bus(struct pci_bus *bus) +{ + struct pci_config_window *cfg = bus->sysdata; + unsigned int bsz = 1 << cfg->bus_shift; + unsigned int busn = bus->number; + phys_addr_t start; + + if (!per_bus_mapping) + return 0; + + if (busn < cfg->busr.start || busn > cfg->busr.end) + return -EINVAL; + + busn -= cfg->busr.start; + start = cfg->res.start + busn * bsz; + + cfg->winp[busn] = pci_remap_cfgspace(start, bsz); + if (!cfg->winp[busn]) + return -ENOMEM; + + return 0; +} + +static void pci_ecam_remove_bus(struct pci_bus *bus) +{ + struct pci_config_window *cfg = bus->sysdata; + unsigned int busn = bus->number; + + if (!per_bus_mapping || busn < cfg->busr.start || busn > cfg->busr.end) + return; + + busn -= cfg->busr.start; + if (cfg->winp[busn]) { + iounmap(cfg->winp[busn]); + cfg->winp[busn] = NULL; + } +} + /* * Function to implement the pci_ops ->map_bus method */ @@ -167,6 +199,8 @@ EXPORT_SYMBOL_GPL(pci_ecam_map_bus); /* ECAM ops */ const struct pci_ecam_ops pci_generic_ecam_ops = { .pci_ops = { + .add_bus = pci_ecam_add_bus, + .remove_bus = pci_ecam_remove_bus, .map_bus = pci_ecam_map_bus, .read = pci_generic_config_read, .write = pci_generic_config_write, @@ -178,6 +212,8 @@ EXPORT_SYMBOL_GPL(pci_generic_ecam_ops); /* ECAM ops for 32-bit access only (non-compliant) */ const struct pci_ecam_ops pci_32b_ops = { .pci_ops = { + .add_bus = pci_ecam_add_bus, + .remove_bus = pci_ecam_remove_bus, .map_bus = pci_ecam_map_bus, .read = pci_generic_config_read32, .write = pci_generic_config_write32, @@ -187,6 +223,8 @@ const struct pci_ecam_ops pci_32b_ops = { /* ECAM ops for 32-bit read only (non-compliant) */ const struct pci_ecam_ops pci_32b_read_ops = { .pci_ops = { + .add_bus = pci_ecam_add_bus, + .remove_bus = pci_ecam_remove_bus, .map_bus = pci_ecam_map_bus, .read = pci_generic_config_read32, .write = pci_generic_config_write, diff --git a/include/linux/pci-ecam.h b/include/linux/pci-ecam.h index 65d3d83015c3..944da75ff25c 100644 --- a/include/linux/pci-ecam.h +++ b/include/linux/pci-ecam.h @@ -55,6 +55,7 @@ struct pci_ecam_ops { struct pci_config_window { struct resource res; struct resource busr; + unsigned int bus_shift; void *priv; const struct pci_ecam_ops *ops; union {

From: Zou Wei zou_wei@huawei.com

[ Upstream commit 90b7c141132244e8e49a34a4c1e445cce33e07f4 ]

This module's remove path calls del_timer(). However, that function does not wait until the timer handler finishes. This means that the timer handler may still be running after the driver's remove function has finished, which would result in a use-after-free.

Fix by calling del_timer_sync(), which makes sure the timer handler has finished, and unable to re-schedule itself.

Reported-by: Hulk Robot hulkci@huawei.com Signed-off-by: Zou Wei zou_wei@huawei.com Reviewed-by: Guenter Roeck linux@roeck-us.net Link: https://lore.kernel.org/r/1620716691-108460-1-git-send-email-zou_wei@huawei.... Signed-off-by: Guenter Roeck linux@roeck-us.net Signed-off-by: Wim Van Sebroeck wim@linux-watchdog.org Signed-off-by: Sasha Levin sashal@kernel.org --- drivers/watchdog/sc520_wdt.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/watchdog/sc520_wdt.c b/drivers/watchdog/sc520_wdt.c index e66e6b905964..ca65468f4b9c 100644 --- a/drivers/watchdog/sc520_wdt.c +++ b/drivers/watchdog/sc520_wdt.c @@ -186,7 +186,7 @@ static int wdt_startup(void) static int wdt_turnoff(void) { /* Stop the timer */ - del_timer(&timer); + del_timer_sync(&timer);

/* Stop the watchdog */ wdt_config(0);

From: Stefan Eichenberger eichest@gmail.com

[ Upstream commit 854478a381078ee86ae2a7908a934b1ded399130 ]

If the WDIOF_PRETIMEOUT flag is not set when registering the device the driver will not show the sysfs entries or register the default governor. By moving the registering after the decision whether pretimeout is supported this gets fixed.

Signed-off-by: Stefan Eichenberger eichest@gmail.com Reviewed-by: Guenter Roeck linux@roeck-us.net Reviewed-by: Dong Aisheng aisheng.dong@nxp.com Link: https://lore.kernel.org/r/20210519080311.142928-1-eichest@gmail.com Signed-off-by: Guenter Roeck linux@roeck-us.net Signed-off-by: Wim Van Sebroeck wim@linux-watchdog.org Signed-off-by: Sasha Levin sashal@kernel.org --- drivers/watchdog/imx_sc_wdt.c | 11 ++++------- 1 file changed, 4 insertions(+), 7 deletions(-)

diff --git a/drivers/watchdog/imx_sc_wdt.c b/drivers/watchdog/imx_sc_wdt.c index e9ee22a7cb45..8ac021748d16 100644 --- a/drivers/watchdog/imx_sc_wdt.c +++ b/drivers/watchdog/imx_sc_wdt.c @@ -183,16 +183,12 @@ static int imx_sc_wdt_probe(struct platform_device *pdev) watchdog_stop_on_reboot(wdog); watchdog_stop_on_unregister(wdog);

- ret = devm_watchdog_register_device(dev, wdog); - if (ret) - return ret; - ret = imx_scu_irq_group_enable(SC_IRQ_GROUP_WDOG, SC_IRQ_WDOG, true); if (ret) { dev_warn(dev, "Enable irq failed, pretimeout NOT supported\n"); - return 0; + goto register_device; }

imx_sc_wdd->wdt_notifier.notifier_call = imx_sc_wdt_notify; @@ -203,7 +199,7 @@ static int imx_sc_wdt_probe(struct platform_device *pdev) false); dev_warn(dev, "Register irq notifier failed, pretimeout NOT supported\n"); - return 0; + goto register_device; }

ret = devm_add_action_or_reset(dev, imx_sc_wdt_action, @@ -213,7 +209,8 @@ static int imx_sc_wdt_probe(struct platform_device *pdev) else dev_warn(dev, "Add action failed, pretimeout NOT supported\n");

- return 0; +register_device: + return devm_watchdog_register_device(dev, wdog); }

static int __maybe_unused imx_sc_wdt_suspend(struct device *dev)

From: Thomas Gleixner tglx@linutronix.de

[ Upstream commit aee8c67a4faa40a8df4e79316dbfc92d123989c1 ]

When *RSTOR from user memory raises an exception, there is no way to differentiate them. That's bad because it forces the slow path even when the failure was not a fault. If the operation raised eg. #GP then going through the slow path is pointless.

Use _ASM_EXTABLE_FAULT() which stores the trap number and let the exception fixup return the negated trap number as error.

This allows to separate the fast path and let it handle faults directly and avoid the slow path for all other exceptions.

Signed-off-by: Thomas Gleixner tglx@linutronix.de Signed-off-by: Borislav Petkov bp@suse.de Link: https://lkml.kernel.org/r/20210623121457.601480369@linutronix.de Signed-off-by: Sasha Levin sashal@kernel.org --- arch/x86/include/asm/fpu/internal.h | 19 ++++++++++++------- 1 file changed, 12 insertions(+), 7 deletions(-)

diff --git a/arch/x86/include/asm/fpu/internal.h b/arch/x86/include/asm/fpu/internal.h index 16bf4d4a8159..4e5af2b00d89 100644 --- a/arch/x86/include/asm/fpu/internal.h +++ b/arch/x86/include/asm/fpu/internal.h @@ -103,6 +103,7 @@ static inline void fpstate_init_fxstate(struct fxregs_state *fx) } extern void fpstate_sanitize_xstate(struct fpu *fpu);

+/* Returns 0 or the negated trap number, which results in -EFAULT for #PF */ #define user_insn(insn, output, input...) \ ({ \ int err; \ @@ -110,14 +111,14 @@ extern void fpstate_sanitize_xstate(struct fpu *fpu); might_fault(); \ \ asm volatile(ASM_STAC "\n" \ - "1:" #insn "\n\t" \ + "1: " #insn "\n" \ "2: " ASM_CLAC "\n" \ ".section .fixup,"ax"\n" \ - "3: movl $-1,%[err]\n" \ + "3: negl %%eax\n" \ " jmp 2b\n" \ ".previous\n" \ - _ASM_EXTABLE(1b, 3b) \ - : [err] "=r" (err), output \ + _ASM_EXTABLE_FAULT(1b, 3b) \ + : [err] "=a" (err), output \ : "0"(0), input); \ err; \ }) @@ -219,16 +220,20 @@ static inline void fxsave(struct fxregs_state *fx) #define XRSTOR ".byte " REX_PREFIX "0x0f,0xae,0x2f" #define XRSTORS ".byte " REX_PREFIX "0x0f,0xc7,0x1f"

+/* + * After this @err contains 0 on success or the negated trap number when + * the operation raises an exception. For faults this results in -EFAULT. + */ #define XSTATE_OP(op, st, lmask, hmask, err) \ asm volatile("1:" op "\n\t" \ "xor %[err], %[err]\n" \ "2:\n\t" \ ".pushsection .fixup,"ax"\n\t" \ - "3: movl $-2,%[err]\n\t" \ + "3: negl %%eax\n\t" \ "jmp 2b\n\t" \ ".popsection\n\t" \ - _ASM_EXTABLE(1b, 3b) \ - : [err] "=r" (err) \ + _ASM_EXTABLE_FAULT(1b, 3b) \ + : [err] "=a" (err) \ : "D" (st), "m" (*st), "a" (lmask), "d" (hmask) \ : "memory")

From: Zou Wei zou_wei@huawei.com

[ Upstream commit 7bf475a4614a9722b9b989e53184a02596cf16d1 ]

Add missing MODULE_DEVICE_TABLE definition so we generate correct modalias for automatic loading of this driver when it is built as a module.

Link: https://lore.kernel.org/r/1620792422-16535-1-git-send-email-zou_wei@huawei.c... Reported-by: Hulk Robot hulkci@huawei.com Signed-off-by: Zou Wei zou_wei@huawei.com Signed-off-by: Lorenzo Pieralisi lorenzo.pieralisi@arm.com Signed-off-by: Bjorn Helgaas bhelgaas@google.com Reviewed-by: Vidya Sagar vidyas@nvidia.com Acked-by: Thierry Reding treding@nvidia.com Signed-off-by: Sasha Levin sashal@kernel.org --- drivers/pci/controller/pci-tegra.c | 1 + 1 file changed, 1 insertion(+)

diff --git a/drivers/pci/controller/pci-tegra.c b/drivers/pci/controller/pci-tegra.c index 8fcabed7c6a6..1a2af963599c 100644 --- a/drivers/pci/controller/pci-tegra.c +++ b/drivers/pci/controller/pci-tegra.c @@ -2506,6 +2506,7 @@ static const struct of_device_id tegra_pcie_of_match[] = { { .compatible = "nvidia,tegra20-pcie", .data = &tegra20_pcie }, { }, }; +MODULE_DEVICE_TABLE(of, tegra_pcie_of_match);

static void *tegra_pcie_ports_seq_start(struct seq_file *s, loff_t *pos) {