diff --git a/Makefile b/Makefile index 239b74a7147b..fce163d09139 100644 --- a/Makefile +++ b/Makefile @@ -1,6 +1,6 @@ VERSION = 4 PATCHLEVEL = 9 -SUBLEVEL = 161 +SUBLEVEL = 162 EXTRAVERSION = NAME = Roaring Lionus

diff --git a/arch/arc/include/asm/bitops.h b/arch/arc/include/asm/bitops.h index 8da87feec59a..99e6d8948f4a 100644 --- a/arch/arc/include/asm/bitops.h +++ b/arch/arc/include/asm/bitops.h @@ -340,7 +340,7 @@ static inline __attribute__ ((const)) int __fls(unsigned long x) /* * __ffs: Similar to ffs, but zero based (0-31) */ -static inline __attribute__ ((const)) int __ffs(unsigned long word) +static inline __attribute__ ((const)) unsigned long __ffs(unsigned long word) { if (!word) return word; @@ -400,9 +400,9 @@ static inline __attribute__ ((const)) int ffs(unsigned long x) /* * __ffs: Similar to ffs, but zero based (0-31) */ -static inline __attribute__ ((const)) int __ffs(unsigned long x) +static inline __attribute__ ((const)) unsigned long __ffs(unsigned long x) { - int n; + unsigned long n;

asm volatile( " ffs.f %0, %1 \n" /* 0:31; 31(Z) if src 0 */ diff --git a/arch/powerpc/include/asm/epapr_hcalls.h b/arch/powerpc/include/asm/epapr_hcalls.h index 334459ad145b..90863245df53 100644 --- a/arch/powerpc/include/asm/epapr_hcalls.h +++ b/arch/powerpc/include/asm/epapr_hcalls.h @@ -508,7 +508,7 @@ static unsigned long epapr_hypercall(unsigned long *in,

static inline long epapr_hypercall0_1(unsigned int nr, unsigned long *r2) { - unsigned long in[8]; + unsigned long in[8] = {0}; unsigned long out[8]; unsigned long r;

@@ -520,7 +520,7 @@ static inline long epapr_hypercall0_1(unsigned int nr, unsigned long *r2)

static inline long epapr_hypercall0(unsigned int nr) { - unsigned long in[8]; + unsigned long in[8] = {0}; unsigned long out[8];

return epapr_hypercall(in, out, nr); @@ -528,7 +528,7 @@ static inline long epapr_hypercall0(unsigned int nr)

static inline long epapr_hypercall1(unsigned int nr, unsigned long p1) { - unsigned long in[8]; + unsigned long in[8] = {0}; unsigned long out[8];

in[0] = p1; @@ -538,7 +538,7 @@ static inline long epapr_hypercall1(unsigned int nr, unsigned long p1) static inline long epapr_hypercall2(unsigned int nr, unsigned long p1, unsigned long p2) { - unsigned long in[8]; + unsigned long in[8] = {0}; unsigned long out[8];

in[0] = p1; @@ -549,7 +549,7 @@ static inline long epapr_hypercall2(unsigned int nr, unsigned long p1, static inline long epapr_hypercall3(unsigned int nr, unsigned long p1, unsigned long p2, unsigned long p3) { - unsigned long in[8]; + unsigned long in[8] = {0}; unsigned long out[8];

in[0] = p1; @@ -562,7 +562,7 @@ static inline long epapr_hypercall4(unsigned int nr, unsigned long p1, unsigned long p2, unsigned long p3, unsigned long p4) { - unsigned long in[8]; + unsigned long in[8] = {0}; unsigned long out[8];

in[0] = p1; diff --git a/arch/x86/include/asm/uaccess.h b/arch/x86/include/asm/uaccess.h index a8d85a687cf4..2177c7551ff7 100644 --- a/arch/x86/include/asm/uaccess.h +++ b/arch/x86/include/asm/uaccess.h @@ -292,8 +292,7 @@ do { \ __put_user_asm(x, ptr, retval, "l", "k", "ir", errret); \ break; \ case 8: \ - __put_user_asm_u64((__typeof__(*ptr))(x), ptr, retval, \ - errret); \ + __put_user_asm_u64(x, ptr, retval, errret); \ break; \ default: \ __put_user_bad(); \ @@ -427,8 +426,10 @@ do { \ #define __put_user_nocheck(x, ptr, size) \ ({ \ int __pu_err; \ + __typeof__(*(ptr)) __pu_val; \ + __pu_val = x; \ __uaccess_begin(); \ - __put_user_size((x), (ptr), (size), __pu_err, -EFAULT); \ + __put_user_size(__pu_val, (ptr), (size), __pu_err, -EFAULT);\ __uaccess_end(); \ __builtin_expect(__pu_err, 0); \ }) diff --git a/arch/x86/kvm/svm.c b/arch/x86/kvm/svm.c index c8efacf2e65f..01eb0451b96d 100644 --- a/arch/x86/kvm/svm.c +++ b/arch/x86/kvm/svm.c @@ -2862,6 +2862,14 @@ static int nested_svm_vmexit(struct vcpu_svm *svm) kvm_mmu_reset_context(&svm->vcpu); kvm_mmu_load(&svm->vcpu);

+ /* + * Drop what we picked up for L2 via svm_complete_interrupts() so it + * doesn't end up in L1. + */ + svm->vcpu.arch.nmi_injected = false; + kvm_clear_exception_queue(&svm->vcpu); + kvm_clear_interrupt_queue(&svm->vcpu); + return 0; }

@@ -3932,25 +3940,14 @@ static int avic_incomplete_ipi_interception(struct vcpu_svm *svm) kvm_lapic_reg_write(apic, APIC_ICR, icrl); break; case AVIC_IPI_FAILURE_TARGET_NOT_RUNNING: { - int i; - struct kvm_vcpu *vcpu; - struct kvm *kvm = svm->vcpu.kvm; struct kvm_lapic *apic = svm->vcpu.arch.apic;

/* - * At this point, we expect that the AVIC HW has already - * set the appropriate IRR bits on the valid target - * vcpus. So, we just need to kick the appropriate vcpu. + * Update ICR high and low, then emulate sending IPI, + * which is handled when writing APIC_ICR. */ - kvm_for_each_vcpu(i, vcpu, kvm) { - bool m = kvm_apic_match_dest(vcpu, apic, - icrl & KVM_APIC_SHORT_MASK, - GET_APIC_DEST_FIELD(icrh), - icrl & KVM_APIC_DEST_MASK); - - if (m && !avic_vcpu_is_running(vcpu)) - kvm_vcpu_wake_up(vcpu); - } + kvm_lapic_reg_write(apic, APIC_ICR2, icrh); + kvm_lapic_reg_write(apic, APIC_ICR, icrl); break; } case AVIC_IPI_FAILURE_INVALID_TARGET: diff --git a/drivers/block/loop.c b/drivers/block/loop.c index 344f34746c10..28ce17405aab 100644 --- a/drivers/block/loop.c +++ b/drivers/block/loop.c @@ -81,6 +81,7 @@ #include <asm/uaccess.h>

static DEFINE_IDR(loop_index_idr); +static DEFINE_MUTEX(loop_index_mutex); static DEFINE_MUTEX(loop_ctl_mutex);

static int max_part; @@ -1559,11 +1560,9 @@ static int lo_compat_ioctl(struct block_device *bdev, fmode_t mode, static int lo_open(struct block_device *bdev, fmode_t mode) { struct loop_device *lo; - int err; + int err = 0;

- err = mutex_lock_killable(&loop_ctl_mutex); - if (err) - return err; + mutex_lock(&loop_index_mutex); lo = bdev->bd_disk->private_data; if (!lo) { err = -ENXIO; @@ -1572,20 +1571,18 @@ static int lo_open(struct block_device *bdev, fmode_t mode)

atomic_inc(&lo->lo_refcnt); out: - mutex_unlock(&loop_ctl_mutex); + mutex_unlock(&loop_index_mutex); return err; }

-static void lo_release(struct gendisk *disk, fmode_t mode) +static void __lo_release(struct loop_device *lo) { - struct loop_device *lo; int err;

- mutex_lock(&loop_ctl_mutex); - lo = disk->private_data; if (atomic_dec_return(&lo->lo_refcnt)) - goto out_unlock; + return;

+ mutex_lock(&loop_ctl_mutex); if (lo->lo_flags & LO_FLAGS_AUTOCLEAR) { /* * In autoclear mode, stop the loop thread @@ -1602,10 +1599,16 @@ static void lo_release(struct gendisk *disk, fmode_t mode) loop_flush(lo); }

-out_unlock: mutex_unlock(&loop_ctl_mutex); }

+static void lo_release(struct gendisk *disk, fmode_t mode) +{ + mutex_lock(&loop_index_mutex); + __lo_release(disk->private_data); + mutex_unlock(&loop_index_mutex); +} + static const struct block_device_operations lo_fops = { .owner = THIS_MODULE, .open = lo_open, @@ -1889,7 +1892,7 @@ static struct kobject *loop_probe(dev_t dev, int *part, void *data) struct kobject *kobj; int err;

- mutex_lock(&loop_ctl_mutex); + mutex_lock(&loop_index_mutex); err = loop_lookup(&lo, MINOR(dev) >> part_shift); if (err < 0) err = loop_add(&lo, MINOR(dev) >> part_shift); @@ -1897,7 +1900,7 @@ static struct kobject *loop_probe(dev_t dev, int *part, void *data) kobj = NULL; else kobj = get_disk(lo->lo_disk); - mutex_unlock(&loop_ctl_mutex); + mutex_unlock(&loop_index_mutex);

*part = 0; return kobj; @@ -1907,13 +1910,9 @@ static long loop_control_ioctl(struct file *file, unsigned int cmd, unsigned long parm) { struct loop_device *lo; - int ret; - - ret = mutex_lock_killable(&loop_ctl_mutex); - if (ret) - return ret; + int ret = -ENOSYS;

- ret = -ENOSYS; + mutex_lock(&loop_index_mutex); switch (cmd) { case LOOP_CTL_ADD: ret = loop_lookup(&lo, parm); @@ -1927,15 +1926,19 @@ static long loop_control_ioctl(struct file *file, unsigned int cmd, ret = loop_lookup(&lo, parm); if (ret < 0) break; + mutex_lock(&loop_ctl_mutex); if (lo->lo_state != Lo_unbound) { ret = -EBUSY; + mutex_unlock(&loop_ctl_mutex); break; } if (atomic_read(&lo->lo_refcnt) > 0) { ret = -EBUSY; + mutex_unlock(&loop_ctl_mutex); break; } lo->lo_disk->private_data = NULL; + mutex_unlock(&loop_ctl_mutex); idr_remove(&loop_index_idr, lo->lo_number); loop_remove(lo); break; @@ -1945,7 +1948,7 @@ static long loop_control_ioctl(struct file *file, unsigned int cmd, break; ret = loop_add(&lo, -1); } - mutex_unlock(&loop_ctl_mutex); + mutex_unlock(&loop_index_mutex);

return ret; } @@ -2028,10 +2031,10 @@ static int __init loop_init(void) THIS_MODULE, loop_probe, NULL, NULL);

/* pre-create number of devices given by config or max_loop */ - mutex_lock(&loop_ctl_mutex); + mutex_lock(&loop_index_mutex); for (i = 0; i < nr; i++) loop_add(&lo, i); - mutex_unlock(&loop_ctl_mutex); + mutex_unlock(&loop_index_mutex);

printk(KERN_INFO "loop: module loaded\n"); return 0; diff --git a/drivers/gpu/drm/msm/msm_rd.c b/drivers/gpu/drm/msm/msm_rd.c index 8487f461f05f..4823019eb422 100644 --- a/drivers/gpu/drm/msm/msm_rd.c +++ b/drivers/gpu/drm/msm/msm_rd.c @@ -112,7 +112,9 @@ static void rd_write(struct msm_rd_state *rd, const void *buf, int sz) char *fptr = &fifo->buf[fifo->head]; int n;

- wait_event(rd->fifo_event, circ_space(&rd->fifo) > 0); + wait_event(rd->fifo_event, circ_space(&rd->fifo) > 0 || !rd->open); + if (!rd->open) + return;

n = min(sz, circ_space_to_end(&rd->fifo)); memcpy(fptr, ptr, n); @@ -202,7 +204,10 @@ static int rd_open(struct inode *inode, struct file *file) static int rd_release(struct inode *inode, struct file *file) { struct msm_rd_state *rd = inode->i_private; + rd->open = false; + wake_up_all(&rd->fifo_event); + return 0; }

diff --git a/drivers/mmc/host/mmc_spi.c b/drivers/mmc/host/mmc_spi.c index e77d79c8cd9f..6224ad37fd80 100644 --- a/drivers/mmc/host/mmc_spi.c +++ b/drivers/mmc/host/mmc_spi.c @@ -1450,6 +1450,7 @@ static int mmc_spi_probe(struct spi_device *spi) mmc->caps &= ~MMC_CAP_NEEDS_POLL; mmc_gpiod_request_cd_irq(mmc); } + mmc_detect_change(mmc, 0);

if (host->pdata && host->pdata->flags & MMC_SPI_USE_RO_GPIO) { has_ro = true; diff --git a/drivers/net/ethernet/altera/altera_tse_main.c b/drivers/net/ethernet/altera/altera_tse_main.c index a0eee7218695..e306342506f1 100644 --- a/drivers/net/ethernet/altera/altera_tse_main.c +++ b/drivers/net/ethernet/altera/altera_tse_main.c @@ -692,8 +692,10 @@ static struct phy_device *connect_local_phy(struct net_device *dev)

phydev = phy_connect(dev, phy_id_fmt, &altera_tse_adjust_link, priv->phy_iface); - if (IS_ERR(phydev)) + if (IS_ERR(phydev)) { netdev_err(dev, "Could not attach to PHY\n"); + phydev = NULL; + }

} else { int ret; diff --git a/drivers/net/ethernet/ibm/ibmveth.c b/drivers/net/ethernet/ibm/ibmveth.c index 4996228fd7e6..955f658f3b65 100644 --- a/drivers/net/ethernet/ibm/ibmveth.c +++ b/drivers/net/ethernet/ibm/ibmveth.c @@ -1240,7 +1240,6 @@ static int ibmveth_poll(struct napi_struct *napi, int budget) struct iphdr *iph; u16 mss = 0;

-restart_poll: while (frames_processed < budget) { if (!ibmveth_rxq_pending_buffer(adapter)) break; @@ -1338,7 +1337,6 @@ static int ibmveth_poll(struct napi_struct *napi, int budget) napi_reschedule(napi)) { lpar_rc = h_vio_signal(adapter->vdev->unit_address, VIO_IRQ_DISABLE); - goto restart_poll; } }

diff --git a/drivers/net/usb/asix_devices.c b/drivers/net/usb/asix_devices.c index 5be6b67492d5..393fd3ed6b94 100644 --- a/drivers/net/usb/asix_devices.c +++ b/drivers/net/usb/asix_devices.c @@ -729,8 +729,13 @@ static int ax88772_bind(struct usbnet *dev, struct usb_interface *intf) asix_read_cmd(dev, AX_CMD_STATMNGSTS_REG, 0, 0, 1, &chipcode, 0); chipcode &= AX_CHIPCODE_MASK;

- (chipcode == AX_AX88772_CHIPCODE) ? ax88772_hw_reset(dev, 0) : - ax88772a_hw_reset(dev, 0); + ret = (chipcode == AX_AX88772_CHIPCODE) ? ax88772_hw_reset(dev, 0) : + ax88772a_hw_reset(dev, 0); + + if (ret < 0) { + netdev_dbg(dev->net, "Failed to reset AX88772: %d\n", ret); + return ret; + }

/* Read PHYID register *AFTER* the PHY was reset properly */ phyid = asix_get_phyid(dev); diff --git a/drivers/scsi/csiostor/csio_attr.c b/drivers/scsi/csiostor/csio_attr.c index 2d1c4ebd40f9..6587f20cff1a 100644 --- a/drivers/scsi/csiostor/csio_attr.c +++ b/drivers/scsi/csiostor/csio_attr.c @@ -582,12 +582,12 @@ csio_vport_create(struct fc_vport *fc_vport, bool disable) }

fc_vport_set_state(fc_vport, FC_VPORT_INITIALIZING); + ln->fc_vport = fc_vport;

if (csio_fcoe_alloc_vnp(hw, ln)) goto error;

*(struct csio_lnode **)fc_vport->dd_data = ln; - ln->fc_vport = fc_vport; if (!fc_vport->node_name) fc_vport->node_name = wwn_to_u64(csio_ln_wwnn(ln)); if (!fc_vport->port_name) diff --git a/drivers/scsi/libsas/sas_expander.c b/drivers/scsi/libsas/sas_expander.c index 12886f96b286..7be581f7c35d 100644 --- a/drivers/scsi/libsas/sas_expander.c +++ b/drivers/scsi/libsas/sas_expander.c @@ -818,6 +818,7 @@ static struct domain_device *sas_ex_discover_end_dev( rphy = sas_end_device_alloc(phy->port); if (!rphy) goto out_free; + rphy->identify.phy_identifier = phy_id;

child->rphy = rphy; get_device(&rphy->dev); @@ -845,6 +846,7 @@ static struct domain_device *sas_ex_discover_end_dev(

child->rphy = rphy; get_device(&rphy->dev); + rphy->identify.phy_identifier = phy_id; sas_fill_in_rphy(child, rphy);

list_add_tail(&child->disco_list_node, &parent->port->disco_list); diff --git a/drivers/thermal/int340x_thermal/processor_thermal_device.c b/drivers/thermal/int340x_thermal/processor_thermal_device.c index ff3b36f339e3..1fdf6fd24cdf 100644 --- a/drivers/thermal/int340x_thermal/processor_thermal_device.c +++ b/drivers/thermal/int340x_thermal/processor_thermal_device.c @@ -77,7 +77,12 @@ static ssize_t power_limit_##index##_##suffix##_show(struct device *dev, \ struct pci_dev *pci_dev; \ struct platform_device *pdev; \ struct proc_thermal_device *proc_dev; \ -\ + \ + if (proc_thermal_emum_mode == PROC_THERMAL_NONE) { \ + dev_warn(dev, "Attempted to get power limit before device was initialized!\n"); \ + return 0; \ + } \ + \ if (proc_thermal_emum_mode == PROC_THERMAL_PLATFORM_DEV) { \ pdev = to_platform_device(dev); \ proc_dev = platform_get_drvdata(pdev); \ @@ -291,11 +296,6 @@ static int proc_thermal_add(struct device *dev, *priv = proc_priv;

ret = proc_thermal_read_ppcc(proc_priv); - if (!ret) { - ret = sysfs_create_group(&dev->kobj, - &power_limit_attribute_group); - - } if (ret) return ret;

@@ -309,8 +309,7 @@ static int proc_thermal_add(struct device *dev,

proc_priv->int340x_zone = int340x_thermal_zone_add(adev, ops); if (IS_ERR(proc_priv->int340x_zone)) { - ret = PTR_ERR(proc_priv->int340x_zone); - goto remove_group; + return PTR_ERR(proc_priv->int340x_zone); } else ret = 0;

@@ -324,9 +323,6 @@ static int proc_thermal_add(struct device *dev,

remove_zone: int340x_thermal_zone_remove(proc_priv->int340x_zone); -remove_group: - sysfs_remove_group(&proc_priv->dev->kobj, - &power_limit_attribute_group);

return ret; } @@ -357,7 +353,10 @@ static int int3401_add(struct platform_device *pdev) platform_set_drvdata(pdev, proc_priv); proc_thermal_emum_mode = PROC_THERMAL_PLATFORM_DEV;

- return 0; + dev_info(&pdev->dev, "Creating sysfs group for PROC_THERMAL_PLATFORM_DEV\n"); + + return sysfs_create_group(&pdev->dev.kobj, + &power_limit_attribute_group); }

static int int3401_remove(struct platform_device *pdev) @@ -416,7 +415,7 @@ static int proc_thermal_pci_probe(struct pci_dev *pdev, proc_priv->soc_dts = intel_soc_dts_iosf_init( INTEL_SOC_DTS_INTERRUPT_MSI, 2, 0);

- if (proc_priv->soc_dts && pdev->irq) { + if (!IS_ERR(proc_priv->soc_dts) && pdev->irq) { ret = pci_enable_msi(pdev); if (!ret) { ret = request_threaded_irq(pdev->irq, NULL, @@ -434,7 +433,10 @@ static int proc_thermal_pci_probe(struct pci_dev *pdev, dev_err(&pdev->dev, "No auxiliary DTSs enabled\n"); }

- return 0; + dev_info(&pdev->dev, "Creating sysfs group for PROC_THERMAL_PCI\n"); + + return sysfs_create_group(&pdev->dev.kobj, + &power_limit_attribute_group); }

static void proc_thermal_pci_remove(struct pci_dev *pdev) diff --git a/drivers/tty/serial/fsl_lpuart.c b/drivers/tty/serial/fsl_lpuart.c index 5c471c3481bd..800996522fdc 100644 --- a/drivers/tty/serial/fsl_lpuart.c +++ b/drivers/tty/serial/fsl_lpuart.c @@ -1494,7 +1494,7 @@ lpuart32_set_termios(struct uart_port *port, struct ktermios *termios, }

/* ask the core to calculate the divisor */ - baud = uart_get_baud_rate(port, termios, old, 50, port->uartclk / 16); + baud = uart_get_baud_rate(port, termios, old, 50, port->uartclk / 4);

spin_lock_irqsave(&sport->port.lock, flags);

diff --git a/drivers/usb/dwc3/gadget.c b/drivers/usb/dwc3/gadget.c index ed6b9bfe3759..712bd450f857 100644 --- a/drivers/usb/dwc3/gadget.c +++ b/drivers/usb/dwc3/gadget.c @@ -1705,6 +1705,7 @@ static int __dwc3_gadget_start(struct dwc3 *dwc)

/* begin to receive SETUP packets */ dwc->ep0state = EP0_SETUP_PHASE; + dwc->link_state = DWC3_LINK_STATE_SS_DIS; dwc3_ep0_out_start(dwc);

dwc3_gadget_enable_irq(dwc); @@ -3096,6 +3097,8 @@ int dwc3_gadget_suspend(struct dwc3 *dwc) dwc3_disconnect_gadget(dwc); __dwc3_gadget_stop(dwc);

+ synchronize_irq(dwc->irq_gadget); + return 0; }

diff --git a/drivers/usb/gadget/function/f_sourcesink.c b/drivers/usb/gadget/function/f_sourcesink.c index 8784fa12ea2c..6e9d958004a0 100644 --- a/drivers/usb/gadget/function/f_sourcesink.c +++ b/drivers/usb/gadget/function/f_sourcesink.c @@ -842,7 +842,7 @@ static struct usb_function *source_sink_alloc_func(

ss = kzalloc(sizeof(*ss), GFP_KERNEL); if (!ss) - return NULL; + return ERR_PTR(-ENOMEM);

ss_opts = container_of(fi, struct f_ss_opts, func_inst);

diff --git a/fs/direct-io.c b/fs/direct-io.c index 07cc38ec66ca..fc90f0c33cbe 100644 --- a/fs/direct-io.c +++ b/fs/direct-io.c @@ -616,6 +616,7 @@ static int get_more_blocks(struct dio *dio, struct dio_submit *sdio, unsigned long fs_count; /* Number of filesystem-sized blocks */ int create; unsigned int i_blkbits = sdio->blkbits + sdio->blkfactor; + loff_t i_size;

/* * If there was a memory error and we've overwritten all the @@ -645,8 +646,8 @@ static int get_more_blocks(struct dio *dio, struct dio_submit *sdio, */ create = dio->op == REQ_OP_WRITE; if (dio->flags & DIO_SKIP_HOLES) { - if (fs_startblk <= ((i_size_read(dio->inode) - 1) >> - i_blkbits)) + i_size = i_size_read(dio->inode); + if (i_size && fs_startblk <= (i_size - 1) >> i_blkbits) create = 0; }

diff --git a/kernel/locking/rwsem-xadd.c b/kernel/locking/rwsem-xadd.c index a4112dfcd0fb..be06c45cbe4f 100644 --- a/kernel/locking/rwsem-xadd.c +++ b/kernel/locking/rwsem-xadd.c @@ -195,15 +195,22 @@ static void __rwsem_mark_wake(struct rw_semaphore *sem, woken++; tsk = waiter->task;

- wake_q_add(wake_q, tsk); + get_task_struct(tsk); list_del(&waiter->list); /* - * Ensure that the last operation is setting the reader + * Ensure calling get_task_struct() before setting the reader * waiter to nil such that rwsem_down_read_failed() cannot * race with do_exit() by always holding a reference count * to the task to wakeup. */ smp_store_release(&waiter->task, NULL); + /* + * Ensure issuing the wakeup (either by us or someone else) + * after setting the reader waiter to nil. + */ + wake_q_add(wake_q, tsk); + /* wake_q_add() already take the task ref */ + put_task_struct(tsk); }

adjustment = woken * RWSEM_ACTIVE_READ_BIAS - adjustment; diff --git a/mm/mmap.c b/mm/mmap.c index 283755645d17..3f2314ad6acd 100644 --- a/mm/mmap.c +++ b/mm/mmap.c @@ -2345,12 +2345,11 @@ int expand_downwards(struct vm_area_struct *vma, struct mm_struct *mm = vma->vm_mm; struct vm_area_struct *prev; unsigned long gap_addr; - int error; + int error = 0;

address &= PAGE_MASK; - error = security_mmap_addr(address); - if (error) - return error; + if (address < mmap_min_addr) + return -EPERM;

/* Enforce stack_guard_gap */ gap_addr = address - stack_guard_gap; diff --git a/net/mac80211/cfg.c b/net/mac80211/cfg.c index 6ef9d32c34f1..954315e1661d 100644 --- a/net/mac80211/cfg.c +++ b/net/mac80211/cfg.c @@ -1425,6 +1425,10 @@ static int ieee80211_add_station(struct wiphy *wiphy, struct net_device *dev, if (params->sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER)) sta->sta.tdls = true;

+ if (sta->sta.tdls && sdata->vif.type == NL80211_IFTYPE_STATION && + !sdata->u.mgd.associated) + return -EINVAL; + err = sta_apply_parameters(local, sta, params); if (err) { sta_info_free(local, sta); diff --git a/net/mac80211/rx.c b/net/mac80211/rx.c index af02d2136a06..23f6c8baae95 100644 --- a/net/mac80211/rx.c +++ b/net/mac80211/rx.c @@ -217,7 +217,7 @@ static void ieee80211_handle_mu_mimo_mon(struct ieee80211_sub_if_data *sdata, struct ieee80211_hdr_3addr hdr; u8 category; u8 action_code; - } __packed action; + } __packed __aligned(2) action;

if (!sdata) return; @@ -2510,7 +2510,9 @@ ieee80211_rx_h_mesh_fwding(struct ieee80211_rx_data *rx) skb_set_queue_mapping(skb, q);

if (!--mesh_hdr->ttl) { - IEEE80211_IFSTA_MESH_CTR_INC(ifmsh, dropped_frames_ttl); + if (!is_multicast_ether_addr(hdr->addr1)) + IEEE80211_IFSTA_MESH_CTR_INC(ifmsh, + dropped_frames_ttl); goto out; }

diff --git a/net/wireless/reg.c b/net/wireless/reg.c index 36d1d25082e3..7c19d0d2549b 100644 --- a/net/wireless/reg.c +++ b/net/wireless/reg.c @@ -773,7 +773,7 @@ static bool reg_does_bw_fit(const struct ieee80211_freq_range *freq_range, * definitions (the "2.4 GHz band", the "5 GHz band" and the "60GHz band"), * however it is safe for now to assume that a frequency rule should not be * part of a frequency's band if the start freq or end freq are off by more - * than 2 GHz for the 2.4 and 5 GHz bands, and by more than 10 GHz for the + * than 2 GHz for the 2.4 and 5 GHz bands, and by more than 20 GHz for the * 60 GHz band. * This resolution can be lowered and should be considered as we add * regulatory rule support for other "bands". @@ -788,7 +788,7 @@ static bool freq_in_rule_band(const struct ieee80211_freq_range *freq_range, * with the Channel starting frequency above 45 GHz. */ u32 limit = freq_khz > 45 * ONE_GHZ_IN_KHZ ? - 10 * ONE_GHZ_IN_KHZ : 2 * ONE_GHZ_IN_KHZ; + 20 * ONE_GHZ_IN_KHZ : 2 * ONE_GHZ_IN_KHZ; if (abs(freq_khz - freq_range->start_freq_khz) <= limit) return true; if (abs(freq_khz - freq_range->end_freq_khz) <= limit) diff --git a/sound/core/compress_offload.c b/sound/core/compress_offload.c index 4490a699030b..555df64d46ff 100644 --- a/sound/core/compress_offload.c +++ b/sound/core/compress_offload.c @@ -529,7 +529,8 @@ static int snd_compress_check_input(struct snd_compr_params *params) { /* first let's check the buffer parameter's */ if (params->buffer.fragment_size == 0 || - params->buffer.fragments > INT_MAX / params->buffer.fragment_size) + params->buffer.fragments > INT_MAX / params->buffer.fragment_size || + params->buffer.fragments == 0) return -EINVAL;

/* now codec parameters */ diff --git a/sound/soc/fsl/imx-audmux.c b/sound/soc/fsl/imx-audmux.c index fc57da341d61..136df38c4536 100644 --- a/sound/soc/fsl/imx-audmux.c +++ b/sound/soc/fsl/imx-audmux.c @@ -86,49 +86,49 @@ static ssize_t audmux_read_file(struct file *file, char __user *user_buf, if (!buf) return -ENOMEM;

- ret = snprintf(buf, PAGE_SIZE, "PDCR: %08x\nPTCR: %08x\n", + ret = scnprintf(buf, PAGE_SIZE, "PDCR: %08x\nPTCR: %08x\n", pdcr, ptcr);

if (ptcr & IMX_AUDMUX_V2_PTCR_TFSDIR) - ret += snprintf(buf + ret, PAGE_SIZE - ret, + ret += scnprintf(buf + ret, PAGE_SIZE - ret, "TxFS output from %s, ", audmux_port_string((ptcr >> 27) & 0x7)); else - ret += snprintf(buf + ret, PAGE_SIZE - ret, + ret += scnprintf(buf + ret, PAGE_SIZE - ret, "TxFS input, ");

if (ptcr & IMX_AUDMUX_V2_PTCR_TCLKDIR) - ret += snprintf(buf + ret, PAGE_SIZE - ret, + ret += scnprintf(buf + ret, PAGE_SIZE - ret, "TxClk output from %s", audmux_port_string((ptcr >> 22) & 0x7)); else - ret += snprintf(buf + ret, PAGE_SIZE - ret, + ret += scnprintf(buf + ret, PAGE_SIZE - ret, "TxClk input");

- ret += snprintf(buf + ret, PAGE_SIZE - ret, "\n"); + ret += scnprintf(buf + ret, PAGE_SIZE - ret, "\n");

if (ptcr & IMX_AUDMUX_V2_PTCR_SYN) { - ret += snprintf(buf + ret, PAGE_SIZE - ret, + ret += scnprintf(buf + ret, PAGE_SIZE - ret, "Port is symmetric"); } else { if (ptcr & IMX_AUDMUX_V2_PTCR_RFSDIR) - ret += snprintf(buf + ret, PAGE_SIZE - ret, + ret += scnprintf(buf + ret, PAGE_SIZE - ret, "RxFS output from %s, ", audmux_port_string((ptcr >> 17) & 0x7)); else - ret += snprintf(buf + ret, PAGE_SIZE - ret, + ret += scnprintf(buf + ret, PAGE_SIZE - ret, "RxFS input, ");

if (ptcr & IMX_AUDMUX_V2_PTCR_RCLKDIR) - ret += snprintf(buf + ret, PAGE_SIZE - ret, + ret += scnprintf(buf + ret, PAGE_SIZE - ret, "RxClk output from %s", audmux_port_string((ptcr >> 12) & 0x7)); else - ret += snprintf(buf + ret, PAGE_SIZE - ret, + ret += scnprintf(buf + ret, PAGE_SIZE - ret, "RxClk input"); }

- ret += snprintf(buf + ret, PAGE_SIZE - ret, + ret += scnprintf(buf + ret, PAGE_SIZE - ret, "\nData received from %s\n", audmux_port_string((pdcr >> 13) & 0x7));

diff --git a/sound/soc/intel/boards/broadwell.c b/sound/soc/intel/boards/broadwell.c index 7486a0022fde..993d2c105ae1 100644 --- a/sound/soc/intel/boards/broadwell.c +++ b/sound/soc/intel/boards/broadwell.c @@ -191,7 +191,7 @@ static struct snd_soc_dai_link broadwell_rt286_dais[] = { .stream_name = "Loopback", .cpu_dai_name = "Loopback Pin", .platform_name = "haswell-pcm-audio", - .dynamic = 0, + .dynamic = 1, .codec_name = "snd-soc-dummy", .codec_dai_name = "snd-soc-dummy-dai", .trigger = {SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST}, diff --git a/sound/soc/intel/boards/haswell.c b/sound/soc/intel/boards/haswell.c index 863f1d5e2a2c..11d0cc2b0e39 100644 --- a/sound/soc/intel/boards/haswell.c +++ b/sound/soc/intel/boards/haswell.c @@ -145,7 +145,7 @@ static struct snd_soc_dai_link haswell_rt5640_dais[] = { .stream_name = "Loopback", .cpu_dai_name = "Loopback Pin", .platform_name = "haswell-pcm-audio", - .dynamic = 0, + .dynamic = 1, .codec_name = "snd-soc-dummy", .codec_dai_name = "snd-soc-dummy-dai", .trigger = {SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST}, diff --git a/sound/soc/soc-dapm.c b/sound/soc/soc-dapm.c index 8bfc534e3b34..ab647f1fe11b 100644 --- a/sound/soc/soc-dapm.c +++ b/sound/soc/soc-dapm.c @@ -1976,19 +1976,19 @@ static ssize_t dapm_widget_power_read_file(struct file *file, out = is_connected_output_ep(w, NULL, NULL); }

- ret = snprintf(buf, PAGE_SIZE, "%s: %s%s in %d out %d", + ret = scnprintf(buf, PAGE_SIZE, "%s: %s%s in %d out %d", w->name, w->power ? "On" : "Off", w->force ? " (forced)" : "", in, out);

if (w->reg >= 0) - ret += snprintf(buf + ret, PAGE_SIZE - ret, + ret += scnprintf(buf + ret, PAGE_SIZE - ret, " - R%d(0x%x) mask 0x%x", w->reg, w->reg, w->mask << w->shift);

- ret += snprintf(buf + ret, PAGE_SIZE - ret, "\n"); + ret += scnprintf(buf + ret, PAGE_SIZE - ret, "\n");

if (w->sname) - ret += snprintf(buf + ret, PAGE_SIZE - ret, " stream %s %s\n", + ret += scnprintf(buf + ret, PAGE_SIZE - ret, " stream %s %s\n", w->sname, w->active ? "active" : "inactive");

@@ -2001,7 +2001,7 @@ static ssize_t dapm_widget_power_read_file(struct file *file, if (!p->connect) continue;

- ret += snprintf(buf + ret, PAGE_SIZE - ret, + ret += scnprintf(buf + ret, PAGE_SIZE - ret, " %s "%s" "%s"\n", (rdir == SND_SOC_DAPM_DIR_IN) ? "in" : "out", p->name ? p->name : "static",