diff --git a/Makefile b/Makefile index 166f87bdc190..bf22df29c4d8 100644 --- a/Makefile +++ b/Makefile @@ -1,7 +1,7 @@ # SPDX-License-Identifier: GPL-2.0 VERSION = 5 PATCHLEVEL = 10 -SUBLEVEL = 156 +SUBLEVEL = 157 EXTRAVERSION = NAME = Dare mighty things

diff --git a/arch/arm/boot/dts/am335x-pcm-953.dtsi b/arch/arm/boot/dts/am335x-pcm-953.dtsi index 6c547c83e5dd..fc465f0d7e18 100644 --- a/arch/arm/boot/dts/am335x-pcm-953.dtsi +++ b/arch/arm/boot/dts/am335x-pcm-953.dtsi @@ -12,22 +12,20 @@ / { compatible = "phytec,am335x-pcm-953", "phytec,am335x-phycore-som", "ti,am33xx";

/* Power */ - regulators { - vcc3v3: fixedregulator@1 { - compatible = "regulator-fixed"; - regulator-name = "vcc3v3"; - regulator-min-microvolt = <3300000>; - regulator-max-microvolt = <3300000>; - regulator-boot-on; - }; + vcc3v3: fixedregulator1 { + compatible = "regulator-fixed"; + regulator-name = "vcc3v3"; + regulator-min-microvolt = <3300000>; + regulator-max-microvolt = <3300000>; + regulator-boot-on; + };

- vcc1v8: fixedregulator@2 { - compatible = "regulator-fixed"; - regulator-name = "vcc1v8"; - regulator-min-microvolt = <1800000>; - regulator-max-microvolt = <1800000>; - regulator-boot-on; - }; + vcc1v8: fixedregulator2 { + compatible = "regulator-fixed"; + regulator-name = "vcc1v8"; + regulator-min-microvolt = <1800000>; + regulator-max-microvolt = <1800000>; + regulator-boot-on; };

/* User IO */ diff --git a/arch/arm/boot/dts/at91sam9g20ek_common.dtsi b/arch/arm/boot/dts/at91sam9g20ek_common.dtsi index ca03685f0f08..4783e657b4cb 100644 --- a/arch/arm/boot/dts/at91sam9g20ek_common.dtsi +++ b/arch/arm/boot/dts/at91sam9g20ek_common.dtsi @@ -39,6 +39,13 @@ pinctrl_pck0_as_mck: pck0_as_mck {

};

+ usb1 { + pinctrl_usb1_vbus_gpio: usb1_vbus_gpio { + atmel,pins = + <AT91_PIOC 5 AT91_PERIPH_GPIO AT91_PINCTRL_DEGLITCH>; /* PC5 GPIO */ + }; + }; + mmc0_slot1 { pinctrl_board_mmc0_slot1: mmc0_slot1-board { atmel,pins = @@ -84,6 +91,8 @@ macb0: ethernet@fffc4000 { };

usb1: gadget@fffa4000 { + pinctrl-0 = <&pinctrl_usb1_vbus_gpio>; + pinctrl-names = "default"; atmel,vbus-gpio = <&pioC 5 GPIO_ACTIVE_HIGH>; status = "okay"; }; diff --git a/arch/arm/boot/dts/imx6q-prti6q.dts b/arch/arm/boot/dts/imx6q-prti6q.dts index b4605edfd2ab..d8fa83effd63 100644 --- a/arch/arm/boot/dts/imx6q-prti6q.dts +++ b/arch/arm/boot/dts/imx6q-prti6q.dts @@ -364,8 +364,8 @@ wifi { pinctrl-names = "default"; pinctrl-0 = <&pinctrl_wifi>; interrupts-extended = <&gpio1 30 IRQ_TYPE_LEVEL_HIGH>; - ref-clock-frequency = "38400000"; - tcxo-clock-frequency = "19200000"; + ref-clock-frequency = <38400000>; + tcxo-clock-frequency = <19200000>; }; };

diff --git a/arch/arm/mach-mxs/mach-mxs.c b/arch/arm/mach-mxs/mach-mxs.c index c109f47e9cbc..a687e83ad604 100644 --- a/arch/arm/mach-mxs/mach-mxs.c +++ b/arch/arm/mach-mxs/mach-mxs.c @@ -387,8 +387,10 @@ static void __init mxs_machine_init(void)

root = of_find_node_by_path("/"); ret = of_property_read_string(root, "model", &soc_dev_attr->machine); - if (ret) + if (ret) { + kfree(soc_dev_attr); return; + }

soc_dev_attr->family = "Freescale MXS Family"; soc_dev_attr->soc_id = mxs_get_soc_id(); diff --git a/arch/arm64/boot/dts/rockchip/rk3399-puma-haikou.dts b/arch/arm64/boot/dts/rockchip/rk3399-puma-haikou.dts index a8d363568fd6..3fc761c8d550 100644 --- a/arch/arm64/boot/dts/rockchip/rk3399-puma-haikou.dts +++ b/arch/arm64/boot/dts/rockchip/rk3399-puma-haikou.dts @@ -203,7 +203,7 @@ &sdmmc { cap-sd-highspeed; cd-gpios = <&gpio0 RK_PA7 GPIO_ACTIVE_LOW>; disable-wp; - max-frequency = <150000000>; + max-frequency = <40000000>; pinctrl-names = "default"; pinctrl-0 = <&sdmmc_clk &sdmmc_cmd &sdmmc_cd &sdmmc_bus4>; vmmc-supply = <&vcc3v3_baseboard>; diff --git a/arch/arm64/include/asm/syscall_wrapper.h b/arch/arm64/include/asm/syscall_wrapper.h index b383b4802a7b..d30217c21eff 100644 --- a/arch/arm64/include/asm/syscall_wrapper.h +++ b/arch/arm64/include/asm/syscall_wrapper.h @@ -8,7 +8,7 @@ #ifndef __ASM_SYSCALL_WRAPPER_H #define __ASM_SYSCALL_WRAPPER_H

-struct pt_regs; +#include <asm/ptrace.h>

#define SC_ARM64_REGS_TO_ARGS(x, ...) \ __MAP(x,__SC_ARGS \ diff --git a/arch/mips/include/asm/fw/fw.h b/arch/mips/include/asm/fw/fw.h index d0ef8b4892bb..d0494ce4b337 100644 --- a/arch/mips/include/asm/fw/fw.h +++ b/arch/mips/include/asm/fw/fw.h @@ -26,6 +26,6 @@ extern char *fw_getcmdline(void); extern void fw_meminit(void); extern char *fw_getenv(char *name); extern unsigned long fw_getenvl(char *name); -extern void fw_init_early_console(char port); +extern void fw_init_early_console(void);

#endif /* __ASM_FW_H_ */ diff --git a/arch/mips/pic32/pic32mzda/early_console.c b/arch/mips/pic32/pic32mzda/early_console.c index 25372e62783b..3cd1b408fa1c 100644 --- a/arch/mips/pic32/pic32mzda/early_console.c +++ b/arch/mips/pic32/pic32mzda/early_console.c @@ -27,7 +27,7 @@ #define U_BRG(x) (UART_BASE(x) + 0x40)

static void __iomem *uart_base; -static char console_port = -1; +static int console_port = -1;

static int __init configure_uart_pins(int port) { @@ -47,7 +47,7 @@ static int __init configure_uart_pins(int port) return 0; }

-static void __init configure_uart(char port, int baud) +static void __init configure_uart(int port, int baud) { u32 pbclk;

@@ -60,7 +60,7 @@ static void __init configure_uart(char port, int baud) uart_base + PIC32_SET(U_STA(port))); }

-static void __init setup_early_console(char port, int baud) +static void __init setup_early_console(int port, int baud) { if (configure_uart_pins(port)) return; @@ -130,16 +130,15 @@ static int __init get_baud_from_cmdline(char *arch_cmdline) return baud; }

-void __init fw_init_early_console(char port) +void __init fw_init_early_console(void) { char *arch_cmdline = pic32_getcmdline(); - int baud = -1; + int baud, port;

uart_base = ioremap(PIC32_BASE_UART, 0xc00);

baud = get_baud_from_cmdline(arch_cmdline); - if (port == -1) - port = get_port_from_cmdline(arch_cmdline); + port = get_port_from_cmdline(arch_cmdline);

if (port == -1) port = EARLY_CONSOLE_PORT; diff --git a/arch/mips/pic32/pic32mzda/init.c b/arch/mips/pic32/pic32mzda/init.c index f232c77ff526..488c0bee7ebf 100644 --- a/arch/mips/pic32/pic32mzda/init.c +++ b/arch/mips/pic32/pic32mzda/init.c @@ -60,7 +60,7 @@ void __init plat_mem_setup(void) strlcpy(arcs_cmdline, boot_command_line, COMMAND_LINE_SIZE);

#ifdef CONFIG_EARLY_PRINTK - fw_init_early_console(-1); + fw_init_early_console(); #endif pic32_config_init(); } diff --git a/arch/nios2/boot/Makefile b/arch/nios2/boot/Makefile index 37dfc7e584bc..0b704c1f379f 100644 --- a/arch/nios2/boot/Makefile +++ b/arch/nios2/boot/Makefile @@ -20,7 +20,7 @@ $(obj)/vmlinux.bin: vmlinux FORCE $(obj)/vmlinux.gz: $(obj)/vmlinux.bin FORCE $(call if_changed,gzip)

-$(obj)/vmImage: $(obj)/vmlinux.gz +$(obj)/vmImage: $(obj)/vmlinux.gz FORCE $(call if_changed,uimage) @$(kecho) 'Kernel: $@ is ready'

diff --git a/arch/riscv/boot/dts/sifive/hifive-unleashed-a00.dts b/arch/riscv/boot/dts/sifive/hifive-unleashed-a00.dts index 60846e88ae4b..dddabfbbc7a9 100644 --- a/arch/riscv/boot/dts/sifive/hifive-unleashed-a00.dts +++ b/arch/riscv/boot/dts/sifive/hifive-unleashed-a00.dts @@ -3,6 +3,8 @@

#include "fu540-c000.dtsi" #include <dt-bindings/gpio/gpio.h> +#include <dt-bindings/leds/common.h> +#include <dt-bindings/pwm/pwm.h>

/* Clock frequency (in Hz) of the PCB crystal for rtcclk */ #define RTCCLK_FREQ 1000000 @@ -46,6 +48,42 @@ gpio-restart { compatible = "gpio-restart"; gpios = <&gpio 10 GPIO_ACTIVE_LOW>; }; + + led-controller { + compatible = "pwm-leds"; + + led-d1 { + pwms = <&pwm0 0 7812500 PWM_POLARITY_INVERTED>; + active-low; + color = <LED_COLOR_ID_GREEN>; + max-brightness = <255>; + label = "d1"; + }; + + led-d2 { + pwms = <&pwm0 1 7812500 PWM_POLARITY_INVERTED>; + active-low; + color = <LED_COLOR_ID_GREEN>; + max-brightness = <255>; + label = "d2"; + }; + + led-d3 { + pwms = <&pwm0 2 7812500 PWM_POLARITY_INVERTED>; + active-low; + color = <LED_COLOR_ID_GREEN>; + max-brightness = <255>; + label = "d3"; + }; + + led-d4 { + pwms = <&pwm0 3 7812500 PWM_POLARITY_INVERTED>; + active-low; + color = <LED_COLOR_ID_GREEN>; + max-brightness = <255>; + label = "d4"; + }; + }; };

&uart0 { diff --git a/arch/riscv/kernel/vdso/Makefile b/arch/riscv/kernel/vdso/Makefile index 926ab3960f9e..c92b55a0ec1c 100644 --- a/arch/riscv/kernel/vdso/Makefile +++ b/arch/riscv/kernel/vdso/Makefile @@ -28,6 +28,9 @@ obj-vdso := $(addprefix $(obj)/, $(obj-vdso))

obj-y += vdso.o vdso-syms.o CPPFLAGS_vdso.lds += -P -C -U$(ARCH) +ifneq ($(filter vgettimeofday, $(vdso-syms)),) +CPPFLAGS_vdso.lds += -DHAS_VGETTIMEOFDAY +endif

# Disable -pg to prevent insert call site CFLAGS_REMOVE_vgettimeofday.o = $(CC_FLAGS_FTRACE) diff --git a/arch/riscv/kernel/vdso/vdso.lds.S b/arch/riscv/kernel/vdso/vdso.lds.S index e6f558bca71b..b3e58402c342 100644 --- a/arch/riscv/kernel/vdso/vdso.lds.S +++ b/arch/riscv/kernel/vdso/vdso.lds.S @@ -64,9 +64,11 @@ VERSION LINUX_4.15 { global: __vdso_rt_sigreturn; +#ifdef HAS_VGETTIMEOFDAY __vdso_gettimeofday; __vdso_clock_gettime; __vdso_clock_getres; +#endif __vdso_getcpu; __vdso_flush_icache; local: *; diff --git a/arch/s390/kernel/crash_dump.c b/arch/s390/kernel/crash_dump.c index 76762dc67ca9..f292c3e10671 100644 --- a/arch/s390/kernel/crash_dump.c +++ b/arch/s390/kernel/crash_dump.c @@ -44,7 +44,7 @@ struct save_area { u64 fprs[16]; u32 fpc; u32 prefix; - u64 todpreg; + u32 todpreg; u64 timer; u64 todcmp; u64 vxrs_low[16]; diff --git a/arch/x86/kvm/svm/svm.c b/arch/x86/kvm/svm/svm.c index 2b7528821577..c34ba034ca11 100644 --- a/arch/x86/kvm/svm/svm.c +++ b/arch/x86/kvm/svm/svm.c @@ -305,12 +305,6 @@ int svm_set_efer(struct kvm_vcpu *vcpu, u64 efer) return 0; }

-static int is_external_interrupt(u32 info) -{ - info &= SVM_EVTINJ_TYPE_MASK | SVM_EVTINJ_VALID; - return info == (SVM_EVTINJ_VALID | SVM_EVTINJ_TYPE_INTR); -} - static u32 svm_get_interrupt_shadow(struct kvm_vcpu *vcpu) { struct vcpu_svm *svm = to_svm(vcpu); @@ -1357,6 +1351,7 @@ static void svm_free_vcpu(struct kvm_vcpu *vcpu) */ svm_clear_current_vmcb(svm->vmcb);

+ svm_leave_nested(vcpu); svm_free_nested(svm);

__free_page(pfn_to_page(__sme_clr(svm->vmcb_pa) >> PAGE_SHIFT)); @@ -3115,15 +3110,6 @@ static int handle_exit(struct kvm_vcpu *vcpu, fastpath_t exit_fastpath) return 0; }

- if (is_external_interrupt(svm->vmcb->control.exit_int_info) && - exit_code != SVM_EXIT_EXCP_BASE + PF_VECTOR && - exit_code != SVM_EXIT_NPF && exit_code != SVM_EXIT_TASK_SWITCH && - exit_code != SVM_EXIT_INTR && exit_code != SVM_EXIT_NMI) - printk(KERN_ERR "%s: unexpected exit_int_info 0x%x " - "exit_code 0x%x\n", - __func__, svm->vmcb->control.exit_int_info, - exit_code); - if (exit_fastpath != EXIT_FASTPATH_NONE) return 1;

diff --git a/arch/x86/mm/ioremap.c b/arch/x86/mm/ioremap.c index 91e61dbba3e0..88cb537ccdea 100644 --- a/arch/x86/mm/ioremap.c +++ b/arch/x86/mm/ioremap.c @@ -216,9 +216,15 @@ __ioremap_caller(resource_size_t phys_addr, unsigned long size, * Mappings have to be page-aligned */ offset = phys_addr & ~PAGE_MASK; - phys_addr &= PHYSICAL_PAGE_MASK; + phys_addr &= PAGE_MASK; size = PAGE_ALIGN(last_addr+1) - phys_addr;

+ /* + * Mask out any bits not part of the actual physical + * address, like memory encryption bits. + */ + phys_addr &= PHYSICAL_PAGE_MASK; + retval = memtype_reserve(phys_addr, (u64)phys_addr + size, pcm, &new_pcm); if (retval) { diff --git a/block/bfq-cgroup.c b/block/bfq-cgroup.c index be6733558b83..badb90352bf3 100644 --- a/block/bfq-cgroup.c +++ b/block/bfq-cgroup.c @@ -611,6 +611,10 @@ struct bfq_group *bfq_bio_bfqg(struct bfq_data *bfqd, struct bio *bio) struct bfq_group *bfqg;

while (blkg) { + if (!blkg->online) { + blkg = blkg->parent; + continue; + } bfqg = blkg_to_bfqg(blkg); if (bfqg->online) { bio_associate_blkg_from_css(bio, &blkg->blkcg->css); diff --git a/drivers/android/binder.c b/drivers/android/binder.c index cfb1393a0891..4473adef2f5a 100644 --- a/drivers/android/binder.c +++ b/drivers/android/binder.c @@ -2008,15 +2008,21 @@ static void binder_cleanup_transaction(struct binder_transaction *t, /** * binder_get_object() - gets object and checks for valid metadata * @proc: binder_proc owning the buffer + * @u: sender's user pointer to base of buffer * @buffer: binder_buffer that we're parsing. * @offset: offset in the @buffer at which to validate an object. * @object: struct binder_object to read into * - * Return: If there's a valid metadata object at @offset in @buffer, the + * Copy the binder object at the given offset into @object. If @u is + * provided then the copy is from the sender's buffer. If not, then + * it is copied from the target's @buffer. + * + * Return: If there's a valid metadata object at @offset, the * size of that object. Otherwise, it returns zero. The object * is read into the struct binder_object pointed to by @object. */ static size_t binder_get_object(struct binder_proc *proc, + const void __user *u, struct binder_buffer *buffer, unsigned long offset, struct binder_object *object) @@ -2026,10 +2032,16 @@ static size_t binder_get_object(struct binder_proc *proc, size_t object_size = 0;

read_size = min_t(size_t, sizeof(*object), buffer->data_size - offset); - if (offset > buffer->data_size || read_size < sizeof(*hdr) || - binder_alloc_copy_from_buffer(&proc->alloc, object, buffer, - offset, read_size)) + if (offset > buffer->data_size || read_size < sizeof(*hdr)) return 0; + if (u) { + if (copy_from_user(object, u + offset, read_size)) + return 0; + } else { + if (binder_alloc_copy_from_buffer(&proc->alloc, object, buffer, + offset, read_size)) + return 0; + }

/* Ok, now see if we read a complete object. */ hdr = &object->hdr; @@ -2102,7 +2114,7 @@ static struct binder_buffer_object *binder_validate_ptr( b, buffer_offset, sizeof(object_offset))) return NULL; - object_size = binder_get_object(proc, b, object_offset, object); + object_size = binder_get_object(proc, NULL, b, object_offset, object); if (!object_size || object->hdr.type != BINDER_TYPE_PTR) return NULL; if (object_offsetp) @@ -2167,7 +2179,8 @@ static bool binder_validate_fixup(struct binder_proc *proc, unsigned long buffer_offset; struct binder_object last_object; struct binder_buffer_object *last_bbo; - size_t object_size = binder_get_object(proc, b, last_obj_offset, + size_t object_size = binder_get_object(proc, NULL, b, + last_obj_offset, &last_object); if (object_size != sizeof(*last_bbo)) return false; @@ -2282,7 +2295,7 @@ static void binder_transaction_buffer_release(struct binder_proc *proc, if (!binder_alloc_copy_from_buffer(&proc->alloc, &object_offset, buffer, buffer_offset, sizeof(object_offset))) - object_size = binder_get_object(proc, buffer, + object_size = binder_get_object(proc, NULL, buffer, object_offset, &object); if (object_size == 0) { pr_err("transaction release %d bad object at offset %lld, size %zd\n", @@ -2620,16 +2633,266 @@ static int binder_translate_fd(u32 fd, binder_size_t fd_offset, return ret; }

-static int binder_translate_fd_array(struct binder_fd_array_object *fda, +/** + * struct binder_ptr_fixup - data to be fixed-up in target buffer + * @offset offset in target buffer to fixup + * @skip_size bytes to skip in copy (fixup will be written later) + * @fixup_data data to write at fixup offset + * @node list node + * + * This is used for the pointer fixup list (pf) which is created and consumed + * during binder_transaction() and is only accessed locally. No + * locking is necessary. + * + * The list is ordered by @offset. + */ +struct binder_ptr_fixup { + binder_size_t offset; + size_t skip_size; + binder_uintptr_t fixup_data; + struct list_head node; +}; + +/** + * struct binder_sg_copy - scatter-gather data to be copied + * @offset offset in target buffer + * @sender_uaddr user address in source buffer + * @length bytes to copy + * @node list node + * + * This is used for the sg copy list (sgc) which is created and consumed + * during binder_transaction() and is only accessed locally. No + * locking is necessary. + * + * The list is ordered by @offset. + */ +struct binder_sg_copy { + binder_size_t offset; + const void __user *sender_uaddr; + size_t length; + struct list_head node; +}; + +/** + * binder_do_deferred_txn_copies() - copy and fixup scatter-gather data + * @alloc: binder_alloc associated with @buffer + * @buffer: binder buffer in target process + * @sgc_head: list_head of scatter-gather copy list + * @pf_head: list_head of pointer fixup list + * + * Processes all elements of @sgc_head, applying fixups from @pf_head + * and copying the scatter-gather data from the source process' user + * buffer to the target's buffer. It is expected that the list creation + * and processing all occurs during binder_transaction() so these lists + * are only accessed in local context. + * + * Return: 0=success, else -errno + */ +static int binder_do_deferred_txn_copies(struct binder_alloc *alloc, + struct binder_buffer *buffer, + struct list_head *sgc_head, + struct list_head *pf_head) +{ + int ret = 0; + struct binder_sg_copy *sgc, *tmpsgc; + struct binder_ptr_fixup *tmppf; + struct binder_ptr_fixup *pf = + list_first_entry_or_null(pf_head, struct binder_ptr_fixup, + node); + + list_for_each_entry_safe(sgc, tmpsgc, sgc_head, node) { + size_t bytes_copied = 0; + + while (bytes_copied < sgc->length) { + size_t copy_size; + size_t bytes_left = sgc->length - bytes_copied; + size_t offset = sgc->offset + bytes_copied; + + /* + * We copy up to the fixup (pointed to by pf) + */ + copy_size = pf ? min(bytes_left, (size_t)pf->offset - offset) + : bytes_left; + if (!ret && copy_size) + ret = binder_alloc_copy_user_to_buffer( + alloc, buffer, + offset, + sgc->sender_uaddr + bytes_copied, + copy_size); + bytes_copied += copy_size; + if (copy_size != bytes_left) { + BUG_ON(!pf); + /* we stopped at a fixup offset */ + if (pf->skip_size) { + /* + * we are just skipping. This is for + * BINDER_TYPE_FDA where the translated + * fds will be fixed up when we get + * to target context. + */ + bytes_copied += pf->skip_size; + } else { + /* apply the fixup indicated by pf */ + if (!ret) + ret = binder_alloc_copy_to_buffer( + alloc, buffer, + pf->offset, + &pf->fixup_data, + sizeof(pf->fixup_data)); + bytes_copied += sizeof(pf->fixup_data); + } + list_del(&pf->node); + kfree(pf); + pf = list_first_entry_or_null(pf_head, + struct binder_ptr_fixup, node); + } + } + list_del(&sgc->node); + kfree(sgc); + } + list_for_each_entry_safe(pf, tmppf, pf_head, node) { + BUG_ON(pf->skip_size == 0); + list_del(&pf->node); + kfree(pf); + } + BUG_ON(!list_empty(sgc_head)); + + return ret > 0 ? -EINVAL : ret; +} + +/** + * binder_cleanup_deferred_txn_lists() - free specified lists + * @sgc_head: list_head of scatter-gather copy list + * @pf_head: list_head of pointer fixup list + * + * Called to clean up @sgc_head and @pf_head if there is an + * error. + */ +static void binder_cleanup_deferred_txn_lists(struct list_head *sgc_head, + struct list_head *pf_head) +{ + struct binder_sg_copy *sgc, *tmpsgc; + struct binder_ptr_fixup *pf, *tmppf; + + list_for_each_entry_safe(sgc, tmpsgc, sgc_head, node) { + list_del(&sgc->node); + kfree(sgc); + } + list_for_each_entry_safe(pf, tmppf, pf_head, node) { + list_del(&pf->node); + kfree(pf); + } +} + +/** + * binder_defer_copy() - queue a scatter-gather buffer for copy + * @sgc_head: list_head of scatter-gather copy list + * @offset: binder buffer offset in target process + * @sender_uaddr: user address in source process + * @length: bytes to copy + * + * Specify a scatter-gather block to be copied. The actual copy must + * be deferred until all the needed fixups are identified and queued. + * Then the copy and fixups are done together so un-translated values + * from the source are never visible in the target buffer. + * + * We are guaranteed that repeated calls to this function will have + * monotonically increasing @offset values so the list will naturally + * be ordered. + * + * Return: 0=success, else -errno + */ +static int binder_defer_copy(struct list_head *sgc_head, binder_size_t offset, + const void __user *sender_uaddr, size_t length) +{ + struct binder_sg_copy *bc = kzalloc(sizeof(*bc), GFP_KERNEL); + + if (!bc) + return -ENOMEM; + + bc->offset = offset; + bc->sender_uaddr = sender_uaddr; + bc->length = length; + INIT_LIST_HEAD(&bc->node); + + /* + * We are guaranteed that the deferred copies are in-order + * so just add to the tail. + */ + list_add_tail(&bc->node, sgc_head); + + return 0; +} + +/** + * binder_add_fixup() - queue a fixup to be applied to sg copy + * @pf_head: list_head of binder ptr fixup list + * @offset: binder buffer offset in target process + * @fixup: bytes to be copied for fixup + * @skip_size: bytes to skip when copying (fixup will be applied later) + * + * Add the specified fixup to a list ordered by @offset. When copying + * the scatter-gather buffers, the fixup will be copied instead of + * data from the source buffer. For BINDER_TYPE_FDA fixups, the fixup + * will be applied later (in target process context), so we just skip + * the bytes specified by @skip_size. If @skip_size is 0, we copy the + * value in @fixup. + * + * This function is called *mostly* in @offset order, but there are + * exceptions. Since out-of-order inserts are relatively uncommon, + * we insert the new element by searching backward from the tail of + * the list. + * + * Return: 0=success, else -errno + */ +static int binder_add_fixup(struct list_head *pf_head, binder_size_t offset, + binder_uintptr_t fixup, size_t skip_size) +{ + struct binder_ptr_fixup *pf = kzalloc(sizeof(*pf), GFP_KERNEL); + struct binder_ptr_fixup *tmppf; + + if (!pf) + return -ENOMEM; + + pf->offset = offset; + pf->fixup_data = fixup; + pf->skip_size = skip_size; + INIT_LIST_HEAD(&pf->node); + + /* Fixups are *mostly* added in-order, but there are some + * exceptions. Look backwards through list for insertion point. + */ + list_for_each_entry_reverse(tmppf, pf_head, node) { + if (tmppf->offset < pf->offset) { + list_add(&pf->node, &tmppf->node); + return 0; + } + } + /* + * if we get here, then the new offset is the lowest so + * insert at the head + */ + list_add(&pf->node, pf_head); + return 0; +} + +static int binder_translate_fd_array(struct list_head *pf_head, + struct binder_fd_array_object *fda, + const void __user *sender_ubuffer, struct binder_buffer_object *parent, + struct binder_buffer_object *sender_uparent, struct binder_transaction *t, struct binder_thread *thread, struct binder_transaction *in_reply_to) { binder_size_t fdi, fd_buf_size; binder_size_t fda_offset; + const void __user *sender_ufda_base; struct binder_proc *proc = thread->proc; - struct binder_proc *target_proc = t->to_proc; + int ret; + + if (fda->num_fds == 0) + return 0;

fd_buf_size = sizeof(u32) * fda->num_fds; if (fda->num_fds >= SIZE_MAX / sizeof(u32)) { @@ -2653,19 +2916,25 @@ static int binder_translate_fd_array(struct binder_fd_array_object *fda, */ fda_offset = (parent->buffer - (uintptr_t)t->buffer->user_data) + fda->parent_offset; - if (!IS_ALIGNED((unsigned long)fda_offset, sizeof(u32))) { + sender_ufda_base = (void __user *)(uintptr_t)sender_uparent->buffer + + fda->parent_offset; + + if (!IS_ALIGNED((unsigned long)fda_offset, sizeof(u32)) || + !IS_ALIGNED((unsigned long)sender_ufda_base, sizeof(u32))) { binder_user_error("%d:%d parent offset not aligned correctly.\n", proc->pid, thread->pid); return -EINVAL; } + ret = binder_add_fixup(pf_head, fda_offset, 0, fda->num_fds * sizeof(u32)); + if (ret) + return ret; + for (fdi = 0; fdi < fda->num_fds; fdi++) { u32 fd; - int ret; binder_size_t offset = fda_offset + fdi * sizeof(fd); + binder_size_t sender_uoffset = fdi * sizeof(fd);

- ret = binder_alloc_copy_from_buffer(&target_proc->alloc, - &fd, t->buffer, - offset, sizeof(fd)); + ret = copy_from_user(&fd, sender_ufda_base + sender_uoffset, sizeof(fd)); if (!ret) ret = binder_translate_fd(fd, offset, t, thread, in_reply_to); @@ -2675,7 +2944,8 @@ static int binder_translate_fd_array(struct binder_fd_array_object *fda, return 0; }

-static int binder_fixup_parent(struct binder_transaction *t, +static int binder_fixup_parent(struct list_head *pf_head, + struct binder_transaction *t, struct binder_thread *thread, struct binder_buffer_object *bp, binder_size_t off_start_offset, @@ -2721,14 +2991,7 @@ static int binder_fixup_parent(struct binder_transaction *t, } buffer_offset = bp->parent_offset + (uintptr_t)parent->buffer - (uintptr_t)b->user_data; - if (binder_alloc_copy_to_buffer(&target_proc->alloc, b, buffer_offset, - &bp->buffer, sizeof(bp->buffer))) { - binder_user_error("%d:%d got transaction with invalid parent offset\n", - proc->pid, thread->pid); - return -EINVAL; - } - - return 0; + return binder_add_fixup(pf_head, buffer_offset, bp->buffer, 0); }

/** @@ -2848,6 +3111,7 @@ static void binder_transaction(struct binder_proc *proc, binder_size_t off_start_offset, off_end_offset; binder_size_t off_min; binder_size_t sg_buf_offset, sg_buf_end_offset; + binder_size_t user_offset = 0; struct binder_proc *target_proc = NULL; struct binder_thread *target_thread = NULL; struct binder_node *target_node = NULL; @@ -2862,6 +3126,12 @@ static void binder_transaction(struct binder_proc *proc, int t_debug_id = atomic_inc_return(&binder_last_id); char *secctx = NULL; u32 secctx_sz = 0; + struct list_head sgc_head; + struct list_head pf_head; + const void __user *user_buffer = (const void __user *) + (uintptr_t)tr->data.ptr.buffer; + INIT_LIST_HEAD(&sgc_head); + INIT_LIST_HEAD(&pf_head);

e = binder_transaction_log_add(&binder_transaction_log); e->debug_id = t_debug_id; @@ -3173,19 +3443,6 @@ static void binder_transaction(struct binder_proc *proc, t->buffer->clear_on_free = !!(t->flags & TF_CLEAR_BUF); trace_binder_transaction_alloc_buf(t->buffer);

- if (binder_alloc_copy_user_to_buffer( - &target_proc->alloc, - t->buffer, 0, - (const void __user *) - (uintptr_t)tr->data.ptr.buffer, - tr->data_size)) { - binder_user_error("%d:%d got transaction with invalid data ptr\n", - proc->pid, thread->pid); - return_error = BR_FAILED_REPLY; - return_error_param = -EFAULT; - return_error_line = __LINE__; - goto err_copy_data_failed; - } if (binder_alloc_copy_user_to_buffer( &target_proc->alloc, t->buffer, @@ -3230,6 +3487,7 @@ static void binder_transaction(struct binder_proc *proc, size_t object_size; struct binder_object object; binder_size_t object_offset; + binder_size_t copy_size;

if (binder_alloc_copy_from_buffer(&target_proc->alloc, &object_offset, @@ -3241,8 +3499,27 @@ static void binder_transaction(struct binder_proc *proc, return_error_line = __LINE__; goto err_bad_offset; } - object_size = binder_get_object(target_proc, t->buffer, - object_offset, &object); + + /* + * Copy the source user buffer up to the next object + * that will be processed. + */ + copy_size = object_offset - user_offset; + if (copy_size && (user_offset > object_offset || + binder_alloc_copy_user_to_buffer( + &target_proc->alloc, + t->buffer, user_offset, + user_buffer + user_offset, + copy_size))) { + binder_user_error("%d:%d got transaction with invalid data ptr\n", + proc->pid, thread->pid); + return_error = BR_FAILED_REPLY; + return_error_param = -EFAULT; + return_error_line = __LINE__; + goto err_copy_data_failed; + } + object_size = binder_get_object(target_proc, user_buffer, + t->buffer, object_offset, &object); if (object_size == 0 || object_offset < off_min) { binder_user_error("%d:%d got transaction with invalid offset (%lld, min %lld max %lld) or object.\n", proc->pid, thread->pid, @@ -3254,6 +3531,11 @@ static void binder_transaction(struct binder_proc *proc, return_error_line = __LINE__; goto err_bad_offset; } + /* + * Set offset to the next buffer fragment to be + * copied + */ + user_offset = object_offset + object_size;

hdr = &object.hdr; off_min = object_offset + object_size; @@ -3316,6 +3598,8 @@ static void binder_transaction(struct binder_proc *proc, case BINDER_TYPE_FDA: { struct binder_object ptr_object; binder_size_t parent_offset; + struct binder_object user_object; + size_t user_parent_size; struct binder_fd_array_object *fda = to_binder_fd_array_object(hdr); size_t num_valid = (buffer_offset - off_start_offset) / @@ -3347,11 +3631,35 @@ static void binder_transaction(struct binder_proc *proc, return_error_line = __LINE__; goto err_bad_parent; } - ret = binder_translate_fd_array(fda, parent, t, thread, - in_reply_to); - if (ret < 0) { + /* + * We need to read the user version of the parent + * object to get the original user offset + */ + user_parent_size = + binder_get_object(proc, user_buffer, t->buffer, + parent_offset, &user_object); + if (user_parent_size != sizeof(user_object.bbo)) { + binder_user_error("%d:%d invalid ptr object size: %zd vs %zd\n", + proc->pid, thread->pid, + user_parent_size, + sizeof(user_object.bbo)); + return_error = BR_FAILED_REPLY; + return_error_param = -EINVAL; + return_error_line = __LINE__; + goto err_bad_parent; + } + ret = binder_translate_fd_array(&pf_head, fda, + user_buffer, parent, + &user_object.bbo, t, + thread, in_reply_to); + if (!ret) + ret = binder_alloc_copy_to_buffer(&target_proc->alloc, + t->buffer, + object_offset, + fda, sizeof(*fda)); + if (ret) { return_error = BR_FAILED_REPLY; - return_error_param = ret; + return_error_param = ret > 0 ? -EINVAL : ret; return_error_line = __LINE__; goto err_translate_failed; } @@ -3373,19 +3681,14 @@ static void binder_transaction(struct binder_proc *proc, return_error_line = __LINE__; goto err_bad_offset; } - if (binder_alloc_copy_user_to_buffer( - &target_proc->alloc, - t->buffer, - sg_buf_offset, - (const void __user *) - (uintptr_t)bp->buffer, - bp->length)) { - binder_user_error("%d:%d got transaction with invalid offsets ptr\n", - proc->pid, thread->pid); - return_error_param = -EFAULT; + ret = binder_defer_copy(&sgc_head, sg_buf_offset, + (const void __user *)(uintptr_t)bp->buffer, + bp->length); + if (ret) { return_error = BR_FAILED_REPLY; + return_error_param = ret; return_error_line = __LINE__; - goto err_copy_data_failed; + goto err_translate_failed; } /* Fixup buffer pointer to target proc address space */ bp->buffer = (uintptr_t) @@ -3394,7 +3697,8 @@ static void binder_transaction(struct binder_proc *proc,

num_valid = (buffer_offset - off_start_offset) / sizeof(binder_size_t); - ret = binder_fixup_parent(t, thread, bp, + ret = binder_fixup_parent(&pf_head, t, + thread, bp, off_start_offset, num_valid, last_fixup_obj_off, @@ -3421,6 +3725,30 @@ static void binder_transaction(struct binder_proc *proc, goto err_bad_object_type; } } + /* Done processing objects, copy the rest of the buffer */ + if (binder_alloc_copy_user_to_buffer( + &target_proc->alloc, + t->buffer, user_offset, + user_buffer + user_offset, + tr->data_size - user_offset)) { + binder_user_error("%d:%d got transaction with invalid data ptr\n", + proc->pid, thread->pid); + return_error = BR_FAILED_REPLY; + return_error_param = -EFAULT; + return_error_line = __LINE__; + goto err_copy_data_failed; + } + + ret = binder_do_deferred_txn_copies(&target_proc->alloc, t->buffer, + &sgc_head, &pf_head); + if (ret) { + binder_user_error("%d:%d got transaction with invalid offsets ptr\n", + proc->pid, thread->pid); + return_error = BR_FAILED_REPLY; + return_error_param = ret; + return_error_line = __LINE__; + goto err_copy_data_failed; + } tcomplete->type = BINDER_WORK_TRANSACTION_COMPLETE; t->work.type = BINDER_WORK_TRANSACTION;

@@ -3487,6 +3815,7 @@ static void binder_transaction(struct binder_proc *proc, err_bad_offset: err_bad_parent: err_copy_data_failed: + binder_cleanup_deferred_txn_lists(&sgc_head, &pf_head); binder_free_txn_fixups(t); trace_binder_transaction_failed_buffer_release(t->buffer); binder_transaction_buffer_release(target_proc, NULL, t->buffer, diff --git a/drivers/ata/libata-scsi.c b/drivers/ata/libata-scsi.c index 459ece666c62..f1755efd30a2 100644 --- a/drivers/ata/libata-scsi.c +++ b/drivers/ata/libata-scsi.c @@ -4032,44 +4032,51 @@ void ata_scsi_dump_cdb(struct ata_port *ap, struct scsi_cmnd *cmd)

int __ata_scsi_queuecmd(struct scsi_cmnd *scmd, struct ata_device *dev) { + struct ata_port *ap = dev->link->ap; u8 scsi_op = scmd->cmnd[0]; ata_xlat_func_t xlat_func; - int rc = 0; + + /* + * scsi_queue_rq() will defer commands if scsi_host_in_recovery(). + * However, this check is done without holding the ap->lock (a libata + * specific lock), so we can have received an error irq since then, + * therefore we must check if EH is pending, while holding ap->lock. + */ + if (ap->pflags & (ATA_PFLAG_EH_PENDING | ATA_PFLAG_EH_IN_PROGRESS)) + return SCSI_MLQUEUE_DEVICE_BUSY; + + if (unlikely(!scmd->cmd_len)) + goto bad_cdb_len;

if (dev->class == ATA_DEV_ATA || dev->class == ATA_DEV_ZAC) { - if (unlikely(!scmd->cmd_len || scmd->cmd_len > dev->cdb_len)) + if (unlikely(scmd->cmd_len > dev->cdb_len)) goto bad_cdb_len;

xlat_func = ata_get_xlat_func(dev, scsi_op); - } else { - if (unlikely(!scmd->cmd_len)) - goto bad_cdb_len; + } else if (likely((scsi_op != ATA_16) || !atapi_passthru16)) { + /* relay SCSI command to ATAPI device */ + int len = COMMAND_SIZE(scsi_op);

- xlat_func = NULL; - if (likely((scsi_op != ATA_16) || !atapi_passthru16)) { - /* relay SCSI command to ATAPI device */ - int len = COMMAND_SIZE(scsi_op); - if (unlikely(len > scmd->cmd_len || - len > dev->cdb_len || - scmd->cmd_len > ATAPI_CDB_LEN)) - goto bad_cdb_len; + if (unlikely(len > scmd->cmd_len || + len > dev->cdb_len || + scmd->cmd_len > ATAPI_CDB_LEN)) + goto bad_cdb_len;

- xlat_func = atapi_xlat; - } else { - /* ATA_16 passthru, treat as an ATA command */ - if (unlikely(scmd->cmd_len > 16)) - goto bad_cdb_len; + xlat_func = atapi_xlat; + } else { + /* ATA_16 passthru, treat as an ATA command */ + if (unlikely(scmd->cmd_len > 16)) + goto bad_cdb_len;

- xlat_func = ata_get_xlat_func(dev, scsi_op); - } + xlat_func = ata_get_xlat_func(dev, scsi_op); }

if (xlat_func) - rc = ata_scsi_translate(dev, scmd, xlat_func); - else - ata_scsi_simulate(dev, scmd); + return ata_scsi_translate(dev, scmd, xlat_func);

- return rc; + ata_scsi_simulate(dev, scmd); + + return 0;

bad_cdb_len: DPRINTK("bad CDB len=%u, scsi_op=0x%02x, max=%u\n", diff --git a/drivers/bus/sunxi-rsb.c b/drivers/bus/sunxi-rsb.c index 9b1a5e62417c..f8c29b888e6b 100644 --- a/drivers/bus/sunxi-rsb.c +++ b/drivers/bus/sunxi-rsb.c @@ -268,6 +268,9 @@ EXPORT_SYMBOL_GPL(sunxi_rsb_driver_register); /* common code that starts a transfer */ static int _sunxi_rsb_run_xfer(struct sunxi_rsb *rsb) { + u32 int_mask, status; + bool timeout; + if (readl(rsb->regs + RSB_CTRL) & RSB_CTRL_START_TRANS) { dev_dbg(rsb->dev, "RSB transfer still in progress\n"); return -EBUSY; @@ -275,13 +278,23 @@ static int _sunxi_rsb_run_xfer(struct sunxi_rsb *rsb)

reinit_completion(&rsb->complete);

- writel(RSB_INTS_LOAD_BSY | RSB_INTS_TRANS_ERR | RSB_INTS_TRANS_OVER, - rsb->regs + RSB_INTE); + int_mask = RSB_INTS_LOAD_BSY | RSB_INTS_TRANS_ERR | RSB_INTS_TRANS_OVER; + writel(int_mask, rsb->regs + RSB_INTE); writel(RSB_CTRL_START_TRANS | RSB_CTRL_GLOBAL_INT_ENB, rsb->regs + RSB_CTRL);

- if (!wait_for_completion_io_timeout(&rsb->complete, - msecs_to_jiffies(100))) { + if (irqs_disabled()) { + timeout = readl_poll_timeout_atomic(rsb->regs + RSB_INTS, + status, (status & int_mask), + 10, 100000); + writel(status, rsb->regs + RSB_INTS); + } else { + timeout = !wait_for_completion_io_timeout(&rsb->complete, + msecs_to_jiffies(100)); + status = rsb->status; + } + + if (timeout) { dev_dbg(rsb->dev, "RSB timeout\n");

/* abort the transfer */ @@ -293,18 +306,18 @@ static int _sunxi_rsb_run_xfer(struct sunxi_rsb *rsb) return -ETIMEDOUT; }

- if (rsb->status & RSB_INTS_LOAD_BSY) { + if (status & RSB_INTS_LOAD_BSY) { dev_dbg(rsb->dev, "RSB busy\n"); return -EBUSY; }

- if (rsb->status & RSB_INTS_TRANS_ERR) { - if (rsb->status & RSB_INTS_TRANS_ERR_ACK) { + if (status & RSB_INTS_TRANS_ERR) { + if (status & RSB_INTS_TRANS_ERR_ACK) { dev_dbg(rsb->dev, "RSB slave nack\n"); return -EINVAL; }

- if (rsb->status & RSB_INTS_TRANS_ERR_DATA) { + if (status & RSB_INTS_TRANS_ERR_DATA) { dev_dbg(rsb->dev, "RSB transfer data error\n"); return -EIO; } diff --git a/drivers/dma-buf/dma-heap.c b/drivers/dma-buf/dma-heap.c index 798f86fcd50f..dcbb023acc45 100644 --- a/drivers/dma-buf/dma-heap.c +++ b/drivers/dma-buf/dma-heap.c @@ -209,18 +209,6 @@ struct dma_heap *dma_heap_add(const struct dma_heap_export_info *exp_info) return ERR_PTR(-EINVAL); }

- /* check the name is unique */ - mutex_lock(&heap_list_lock); - list_for_each_entry(h, &heap_list, list) { - if (!strcmp(h->name, exp_info->name)) { - mutex_unlock(&heap_list_lock); - pr_err("dma_heap: Already registered heap named %s\n", - exp_info->name); - return ERR_PTR(-EINVAL); - } - } - mutex_unlock(&heap_list_lock); - heap = kzalloc(sizeof(*heap), GFP_KERNEL); if (!heap) return ERR_PTR(-ENOMEM); @@ -259,13 +247,27 @@ struct dma_heap *dma_heap_add(const struct dma_heap_export_info *exp_info) err_ret = ERR_CAST(dev_ret); goto err2; } - /* Add heap to the list */ + mutex_lock(&heap_list_lock); + /* check the name is unique */ + list_for_each_entry(h, &heap_list, list) { + if (!strcmp(h->name, exp_info->name)) { + mutex_unlock(&heap_list_lock); + pr_err("dma_heap: Already registered heap named %s\n", + exp_info->name); + err_ret = ERR_PTR(-EINVAL); + goto err3; + } + } + + /* Add heap to the list */ list_add(&heap->list, &heap_list); mutex_unlock(&heap_list_lock);

return heap;

+err3: + device_destroy(dma_heap_class, heap->heap_devt); err2: cdev_del(&heap->heap_cdev); err1: diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c index e8c76bd8c501..6aa9fd9cb83b 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c @@ -341,11 +341,9 @@ int amdgpu_gem_userptr_ioctl(struct drm_device *dev, void *data, if (r) goto release_object;

- if (args->flags & AMDGPU_GEM_USERPTR_REGISTER) { - r = amdgpu_mn_register(bo, args->addr); - if (r) - goto release_object; - } + r = amdgpu_mn_register(bo, args->addr); + if (r) + goto release_object;

if (args->flags & AMDGPU_GEM_USERPTR_VALIDATE) { r = amdgpu_ttm_tt_get_user_pages(bo, bo->tbo.ttm->pages); diff --git a/drivers/gpu/drm/amd/display/dc/dce120/dce120_resource.c b/drivers/gpu/drm/amd/display/dc/dce120/dce120_resource.c index 8f362e8c1787..be6d43c9979c 100644 --- a/drivers/gpu/drm/amd/display/dc/dce120/dce120_resource.c +++ b/drivers/gpu/drm/amd/display/dc/dce120/dce120_resource.c @@ -361,7 +361,8 @@ static const struct dce_audio_registers audio_regs[] = { audio_regs(2), audio_regs(3), audio_regs(4), - audio_regs(5) + audio_regs(5), + audio_regs(6), };

#define DCE120_AUD_COMMON_MASK_SH_LIST(mask_sh)\ diff --git a/drivers/gpu/drm/drm_dp_dual_mode_helper.c b/drivers/gpu/drm/drm_dp_dual_mode_helper.c index 1c9ea9f7fdaf..f2ff0bfdf54d 100644 --- a/drivers/gpu/drm/drm_dp_dual_mode_helper.c +++ b/drivers/gpu/drm/drm_dp_dual_mode_helper.c @@ -62,23 +62,45 @@ ssize_t drm_dp_dual_mode_read(struct i2c_adapter *adapter, u8 offset, void *buffer, size_t size) { + u8 zero = 0; + char *tmpbuf = NULL; + /* + * As sub-addressing is not supported by all adaptors, + * always explicitly read from the start and discard + * any bytes that come before the requested offset. + * This way, no matter whether the adaptor supports it + * or not, we'll end up reading the proper data. + */ struct i2c_msg msgs[] = { { .addr = DP_DUAL_MODE_SLAVE_ADDRESS, .flags = 0, .len = 1, - .buf = &offset, + .buf = &zero, }, { .addr = DP_DUAL_MODE_SLAVE_ADDRESS, .flags = I2C_M_RD, - .len = size, + .len = size + offset, .buf = buffer, }, }; int ret;

+ if (offset) { + tmpbuf = kmalloc(size + offset, GFP_KERNEL); + if (!tmpbuf) + return -ENOMEM; + + msgs[1].buf = tmpbuf; + } + ret = i2c_transfer(adapter, msgs, ARRAY_SIZE(msgs)); + if (tmpbuf) + memcpy(buffer, tmpbuf + offset, size); + + kfree(tmpbuf); + if (ret < 0) return ret; if (ret != ARRAY_SIZE(msgs)) @@ -205,18 +227,6 @@ enum drm_dp_dual_mode_type drm_dp_dual_mode_detect(struct i2c_adapter *adapter) if (ret) return DRM_DP_DUAL_MODE_UNKNOWN;

- /* - * Sigh. Some (maybe all?) type 1 adaptors are broken and ack - * the offset but ignore it, and instead they just always return - * data from the start of the HDMI ID buffer. So for a broken - * type 1 HDMI adaptor a single byte read will always give us - * 0x44, and for a type 1 DVI adaptor it should give 0x00 - * (assuming it implements any registers). Fortunately neither - * of those values will match the type 2 signature of the - * DP_DUAL_MODE_ADAPTOR_ID register so we can proceed with - * the type 2 adaptor detection safely even in the presence - * of broken type 1 adaptors. - */ ret = drm_dp_dual_mode_read(adapter, DP_DUAL_MODE_ADAPTOR_ID, &adaptor_id, sizeof(adaptor_id)); DRM_DEBUG_KMS("DP dual mode adaptor ID: %02x (err %zd)\n", @@ -231,11 +241,10 @@ enum drm_dp_dual_mode_type drm_dp_dual_mode_detect(struct i2c_adapter *adapter) return DRM_DP_DUAL_MODE_TYPE2_DVI; } /* - * If neither a proper type 1 ID nor a broken type 1 adaptor - * as described above, assume type 1, but let the user know - * that we may have misdetected the type. + * If not a proper type 1 ID, still assume type 1, but let + * the user know that we may have misdetected the type. */ - if (!is_type1_adaptor(adaptor_id) && adaptor_id != hdmi_id[0]) + if (!is_type1_adaptor(adaptor_id)) DRM_ERROR("Unexpected DP dual mode adaptor ID %02x\n", adaptor_id);

@@ -339,10 +348,8 @@ EXPORT_SYMBOL(drm_dp_dual_mode_get_tmds_output); * @enable: enable (as opposed to disable) the TMDS output buffers * * Set the state of the TMDS output buffers in the adaptor. For - * type2 this is set via the DP_DUAL_MODE_TMDS_OEN register. As - * some type 1 adaptors have problems with registers (see comments - * in drm_dp_dual_mode_detect()) we avoid touching the register, - * making this function a no-op on type 1 adaptors. + * type2 this is set via the DP_DUAL_MODE_TMDS_OEN register. + * Type1 adaptors do not support any register writes. * * Returns: * 0 on success, negative error code on failure diff --git a/drivers/gpu/drm/drm_panel_orientation_quirks.c b/drivers/gpu/drm/drm_panel_orientation_quirks.c index 083273736c83..ca0fefeaab20 100644 --- a/drivers/gpu/drm/drm_panel_orientation_quirks.c +++ b/drivers/gpu/drm/drm_panel_orientation_quirks.c @@ -128,6 +128,12 @@ static const struct dmi_system_id orientation_data[] = { DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "One S1003"), }, .driver_data = (void *)&lcd800x1280_rightside_up, + }, { /* Acer Switch V 10 (SW5-017) */ + .matches = { + DMI_EXACT_MATCH(DMI_SYS_VENDOR, "Acer"), + DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "SW5-017"), + }, + .driver_data = (void *)&lcd800x1280_rightside_up, }, { /* Anbernic Win600 */ .matches = { DMI_EXACT_MATCH(DMI_BOARD_VENDOR, "Anbernic"), diff --git a/drivers/gpu/drm/i915/gt/intel_gt.c b/drivers/gpu/drm/i915/gt/intel_gt.c index a33887f2464f..5f86d9aacb8a 100644 --- a/drivers/gpu/drm/i915/gt/intel_gt.c +++ b/drivers/gpu/drm/i915/gt/intel_gt.c @@ -745,6 +745,10 @@ void intel_gt_invalidate_tlbs(struct intel_gt *gt) if (!i915_mmio_reg_offset(rb.reg)) continue;

+ if (INTEL_GEN(i915) == 12 && (engine->class == VIDEO_DECODE_CLASS || + engine->class == VIDEO_ENHANCEMENT_CLASS)) + rb.bit = _MASKED_BIT_ENABLE(rb.bit); + intel_uncore_write_fw(uncore, rb.reg, rb.bit); }

diff --git a/drivers/gpu/drm/tegra/drm.c b/drivers/gpu/drm/tegra/drm.c index 2c6ebc328b24..318692ad9680 100644 --- a/drivers/gpu/drm/tegra/drm.c +++ b/drivers/gpu/drm/tegra/drm.c @@ -1042,6 +1042,10 @@ static bool host1x_drm_wants_iommu(struct host1x_device *dev) struct host1x *host1x = dev_get_drvdata(dev->dev.parent); struct iommu_domain *domain;

+ /* Our IOMMU usage policy doesn't currently play well with GART */ + if (of_machine_is_compatible("nvidia,tegra20")) + return false; + /* * If the Tegra DRM clients are backed by an IOMMU, push buffers are * likely to be allocated beyond the 32-bit boundary if sufficient diff --git a/drivers/gpu/host1x/dev.c b/drivers/gpu/host1x/dev.c index 8659558b518d..9f674a8d5009 100644 --- a/drivers/gpu/host1x/dev.c +++ b/drivers/gpu/host1x/dev.c @@ -198,6 +198,10 @@ static void host1x_setup_sid_table(struct host1x *host)

static bool host1x_wants_iommu(struct host1x *host1x) { + /* Our IOMMU usage policy doesn't currently play well with GART */ + if (of_machine_is_compatible("nvidia,tegra20")) + return false; + /* * If we support addressing a maximum of 32 bits of physical memory * and if the host1x firewall is enabled, there's no need to enable diff --git a/drivers/hv/channel_mgmt.c b/drivers/hv/channel_mgmt.c index 10188b1a6a08..5b902adb0d1b 100644 --- a/drivers/hv/channel_mgmt.c +++ b/drivers/hv/channel_mgmt.c @@ -501,13 +501,17 @@ static void vmbus_add_channel_work(struct work_struct *work) * Add the new device to the bus. This will kick off device-driver * binding which eventually invokes the device driver's AddDevice() * method. + * + * If vmbus_device_register() fails, the 'device_obj' is freed in + * vmbus_device_release() as called by device_unregister() in the + * error path of vmbus_device_register(). In the outside error + * path, there's no need to free it. */ ret = vmbus_device_register(newchannel->device_obj);

if (ret != 0) { pr_err("unable to add child device object (relid %d)\n", newchannel->offermsg.child_relid); - kfree(newchannel->device_obj); goto err_deq_chan; }

diff --git a/drivers/hv/vmbus_drv.c b/drivers/hv/vmbus_drv.c index 514279dac7cb..e99400f3ae1d 100644 --- a/drivers/hv/vmbus_drv.c +++ b/drivers/hv/vmbus_drv.c @@ -2020,6 +2020,7 @@ int vmbus_device_register(struct hv_device *child_device_obj) ret = device_register(&child_device_obj->device); if (ret) { pr_err("Unable to register child device\n"); + put_device(&child_device_obj->device); return ret; }

diff --git a/drivers/iio/industrialio-sw-trigger.c b/drivers/iio/industrialio-sw-trigger.c index 9ae793a70b8b..a7714d32a641 100644 --- a/drivers/iio/industrialio-sw-trigger.c +++ b/drivers/iio/industrialio-sw-trigger.c @@ -58,8 +58,12 @@ int iio_register_sw_trigger_type(struct iio_sw_trigger_type *t)

t->group = configfs_register_default_group(iio_triggers_group, t->name, &iio_trigger_type_group_type); - if (IS_ERR(t->group)) + if (IS_ERR(t->group)) { + mutex_lock(&iio_trigger_types_lock); + list_del(&t->list); + mutex_unlock(&iio_trigger_types_lock); ret = PTR_ERR(t->group); + }

return ret; } diff --git a/drivers/iio/light/apds9960.c b/drivers/iio/light/apds9960.c index 9afb3fcc74e6..4a7ccf268ebf 100644 --- a/drivers/iio/light/apds9960.c +++ b/drivers/iio/light/apds9960.c @@ -53,9 +53,6 @@ #define APDS9960_REG_CONTROL_PGAIN_MASK_SHIFT 2

#define APDS9960_REG_CONFIG_2 0x90 -#define APDS9960_REG_CONFIG_2_GGAIN_MASK 0x60 -#define APDS9960_REG_CONFIG_2_GGAIN_MASK_SHIFT 5 - #define APDS9960_REG_ID 0x92

#define APDS9960_REG_STATUS 0x93 @@ -76,6 +73,9 @@ #define APDS9960_REG_GCONF_1_GFIFO_THRES_MASK_SHIFT 6

#define APDS9960_REG_GCONF_2 0xa3 +#define APDS9960_REG_GCONF_2_GGAIN_MASK 0x60 +#define APDS9960_REG_GCONF_2_GGAIN_MASK_SHIFT 5 + #define APDS9960_REG_GOFFSET_U 0xa4 #define APDS9960_REG_GOFFSET_D 0xa5 #define APDS9960_REG_GPULSE 0xa6 @@ -395,9 +395,9 @@ static int apds9960_set_pxs_gain(struct apds9960_data *data, int val) }

ret = regmap_update_bits(data->regmap, - APDS9960_REG_CONFIG_2, - APDS9960_REG_CONFIG_2_GGAIN_MASK, - idx << APDS9960_REG_CONFIG_2_GGAIN_MASK_SHIFT); + APDS9960_REG_GCONF_2, + APDS9960_REG_GCONF_2_GGAIN_MASK, + idx << APDS9960_REG_GCONF_2_GGAIN_MASK_SHIFT); if (!ret) data->pxs_gain = idx; mutex_unlock(&data->lock); diff --git a/drivers/iio/pressure/ms5611.h b/drivers/iio/pressure/ms5611.h index bc06271fa38b..5e2d2d4d87b5 100644 --- a/drivers/iio/pressure/ms5611.h +++ b/drivers/iio/pressure/ms5611.h @@ -25,13 +25,6 @@ enum { MS5607, };

-struct ms5611_chip_info { - u16 prom[MS5611_PROM_WORDS_NB]; - - int (*temp_and_pressure_compensate)(struct ms5611_chip_info *chip_info, - s32 *temp, s32 *pressure); -}; - /* * OverSampling Rate descriptor. * Warning: cmd MUST be kept aligned on a word boundary (see @@ -50,12 +43,15 @@ struct ms5611_state { const struct ms5611_osr *pressure_osr; const struct ms5611_osr *temp_osr;

- int (*reset)(struct device *dev); - int (*read_prom_word)(struct device *dev, int index, u16 *word); - int (*read_adc_temp_and_pressure)(struct device *dev, + u16 prom[MS5611_PROM_WORDS_NB]; + + int (*reset)(struct ms5611_state *st); + int (*read_prom_word)(struct ms5611_state *st, int index, u16 *word); + int (*read_adc_temp_and_pressure)(struct ms5611_state *st, s32 *temp, s32 *pressure);

- struct ms5611_chip_info *chip_info; + int (*compensate_temp_and_pressure)(struct ms5611_state *st, s32 *temp, + s32 *pressure); struct regulator *vdd; };

diff --git a/drivers/iio/pressure/ms5611_core.c b/drivers/iio/pressure/ms5611_core.c index 214b0d25f598..874a73b3ea9d 100644 --- a/drivers/iio/pressure/ms5611_core.c +++ b/drivers/iio/pressure/ms5611_core.c @@ -85,8 +85,7 @@ static int ms5611_read_prom(struct iio_dev *indio_dev) struct ms5611_state *st = iio_priv(indio_dev);

for (i = 0; i < MS5611_PROM_WORDS_NB; i++) { - ret = st->read_prom_word(&indio_dev->dev, - i, &st->chip_info->prom[i]); + ret = st->read_prom_word(st, i, &st->prom[i]); if (ret < 0) { dev_err(&indio_dev->dev, "failed to read prom at %d\n", i); @@ -94,7 +93,7 @@ static int ms5611_read_prom(struct iio_dev *indio_dev) } }

- if (!ms5611_prom_is_valid(st->chip_info->prom, MS5611_PROM_WORDS_NB)) { + if (!ms5611_prom_is_valid(st->prom, MS5611_PROM_WORDS_NB)) { dev_err(&indio_dev->dev, "PROM integrity check failed\n"); return -ENODEV; } @@ -108,28 +107,27 @@ static int ms5611_read_temp_and_pressure(struct iio_dev *indio_dev, int ret; struct ms5611_state *st = iio_priv(indio_dev);

- ret = st->read_adc_temp_and_pressure(&indio_dev->dev, temp, pressure); + ret = st->read_adc_temp_and_pressure(st, temp, pressure); if (ret < 0) { dev_err(&indio_dev->dev, "failed to read temperature and pressure\n"); return ret; }

- return st->chip_info->temp_and_pressure_compensate(st->chip_info, - temp, pressure); + return st->compensate_temp_and_pressure(st, temp, pressure); }

-static int ms5611_temp_and_pressure_compensate(struct ms5611_chip_info *chip_info, +static int ms5611_temp_and_pressure_compensate(struct ms5611_state *st, s32 *temp, s32 *pressure) { s32 t = *temp, p = *pressure; s64 off, sens, dt;

- dt = t - (chip_info->prom[5] << 8); - off = ((s64)chip_info->prom[2] << 16) + ((chip_info->prom[4] * dt) >> 7); - sens = ((s64)chip_info->prom[1] << 15) + ((chip_info->prom[3] * dt) >> 8); + dt = t - (st->prom[5] << 8); + off = ((s64)st->prom[2] << 16) + ((st->prom[4] * dt) >> 7); + sens = ((s64)st->prom[1] << 15) + ((st->prom[3] * dt) >> 8);

- t = 2000 + ((chip_info->prom[6] * dt) >> 23); + t = 2000 + ((st->prom[6] * dt) >> 23); if (t < 2000) { s64 off2, sens2, t2;

@@ -155,17 +153,17 @@ static int ms5611_temp_and_pressure_compensate(struct ms5611_chip_info *chip_inf return 0; }

-static int ms5607_temp_and_pressure_compensate(struct ms5611_chip_info *chip_info, +static int ms5607_temp_and_pressure_compensate(struct ms5611_state *st, s32 *temp, s32 *pressure) { s32 t = *temp, p = *pressure; s64 off, sens, dt;

- dt = t - (chip_info->prom[5] << 8); - off = ((s64)chip_info->prom[2] << 17) + ((chip_info->prom[4] * dt) >> 6); - sens = ((s64)chip_info->prom[1] << 16) + ((chip_info->prom[3] * dt) >> 7); + dt = t - (st->prom[5] << 8); + off = ((s64)st->prom[2] << 17) + ((st->prom[4] * dt) >> 6); + sens = ((s64)st->prom[1] << 16) + ((st->prom[3] * dt) >> 7);

- t = 2000 + ((chip_info->prom[6] * dt) >> 23); + t = 2000 + ((st->prom[6] * dt) >> 23); if (t < 2000) { s64 off2, sens2, t2, tmp;

@@ -196,7 +194,7 @@ static int ms5611_reset(struct iio_dev *indio_dev) int ret; struct ms5611_state *st = iio_priv(indio_dev);

- ret = st->reset(&indio_dev->dev); + ret = st->reset(st); if (ret < 0) { dev_err(&indio_dev->dev, "failed to reset device\n"); return ret; @@ -343,15 +341,6 @@ static int ms5611_write_raw(struct iio_dev *indio_dev,

static const unsigned long ms5611_scan_masks[] = {0x3, 0};

-static struct ms5611_chip_info chip_info_tbl[] = { - [MS5611] = { - .temp_and_pressure_compensate = ms5611_temp_and_pressure_compensate, - }, - [MS5607] = { - .temp_and_pressure_compensate = ms5607_temp_and_pressure_compensate, - } -}; - static const struct iio_chan_spec ms5611_channels[] = { { .type = IIO_PRESSURE, @@ -434,7 +423,20 @@ int ms5611_probe(struct iio_dev *indio_dev, struct device *dev, struct ms5611_state *st = iio_priv(indio_dev);

mutex_init(&st->lock); - st->chip_info = &chip_info_tbl[type]; + + switch (type) { + case MS5611: + st->compensate_temp_and_pressure = + ms5611_temp_and_pressure_compensate; + break; + case MS5607: + st->compensate_temp_and_pressure = + ms5607_temp_and_pressure_compensate; + break; + default: + return -EINVAL; + } + st->temp_osr = &ms5611_avail_temp_osr[ARRAY_SIZE(ms5611_avail_temp_osr) - 1]; st->pressure_osr = diff --git a/drivers/iio/pressure/ms5611_i2c.c b/drivers/iio/pressure/ms5611_i2c.c index 7c04f730430c..cccc40f7df0b 100644 --- a/drivers/iio/pressure/ms5611_i2c.c +++ b/drivers/iio/pressure/ms5611_i2c.c @@ -20,17 +20,15 @@

#include "ms5611.h"

-static int ms5611_i2c_reset(struct device *dev) +static int ms5611_i2c_reset(struct ms5611_state *st) { - struct ms5611_state *st = iio_priv(dev_to_iio_dev(dev)); - return i2c_smbus_write_byte(st->client, MS5611_RESET); }

-static int ms5611_i2c_read_prom_word(struct device *dev, int index, u16 *word) +static int ms5611_i2c_read_prom_word(struct ms5611_state *st, int index, + u16 *word) { int ret; - struct ms5611_state *st = iio_priv(dev_to_iio_dev(dev));

ret = i2c_smbus_read_word_swapped(st->client, MS5611_READ_PROM_WORD + (index << 1)); @@ -57,11 +55,10 @@ static int ms5611_i2c_read_adc(struct ms5611_state *st, s32 *val) return 0; }

-static int ms5611_i2c_read_adc_temp_and_pressure(struct device *dev, +static int ms5611_i2c_read_adc_temp_and_pressure(struct ms5611_state *st, s32 *temp, s32 *pressure) { int ret; - struct ms5611_state *st = iio_priv(dev_to_iio_dev(dev)); const struct ms5611_osr *osr = st->temp_osr;

ret = i2c_smbus_write_byte(st->client, osr->cmd); diff --git a/drivers/iio/pressure/ms5611_spi.c b/drivers/iio/pressure/ms5611_spi.c index f7743ee3318f..3039fe8aa2a2 100644 --- a/drivers/iio/pressure/ms5611_spi.c +++ b/drivers/iio/pressure/ms5611_spi.c @@ -15,18 +15,17 @@

#include "ms5611.h"

-static int ms5611_spi_reset(struct device *dev) +static int ms5611_spi_reset(struct ms5611_state *st) { u8 cmd = MS5611_RESET; - struct ms5611_state *st = iio_priv(dev_to_iio_dev(dev));

return spi_write_then_read(st->client, &cmd, 1, NULL, 0); }

-static int ms5611_spi_read_prom_word(struct device *dev, int index, u16 *word) +static int ms5611_spi_read_prom_word(struct ms5611_state *st, int index, + u16 *word) { int ret; - struct ms5611_state *st = iio_priv(dev_to_iio_dev(dev));

ret = spi_w8r16be(st->client, MS5611_READ_PROM_WORD + (index << 1)); if (ret < 0) @@ -37,11 +36,10 @@ static int ms5611_spi_read_prom_word(struct device *dev, int index, u16 *word) return 0; }

-static int ms5611_spi_read_adc(struct device *dev, s32 *val) +static int ms5611_spi_read_adc(struct ms5611_state *st, s32 *val) { int ret; u8 buf[3] = { MS5611_READ_ADC }; - struct ms5611_state *st = iio_priv(dev_to_iio_dev(dev));

ret = spi_write_then_read(st->client, buf, 1, buf, 3); if (ret < 0) @@ -52,11 +50,10 @@ static int ms5611_spi_read_adc(struct device *dev, s32 *val) return 0; }

-static int ms5611_spi_read_adc_temp_and_pressure(struct device *dev, +static int ms5611_spi_read_adc_temp_and_pressure(struct ms5611_state *st, s32 *temp, s32 *pressure) { int ret; - struct ms5611_state *st = iio_priv(dev_to_iio_dev(dev)); const struct ms5611_osr *osr = st->temp_osr;

/* @@ -68,7 +65,7 @@ static int ms5611_spi_read_adc_temp_and_pressure(struct device *dev, return ret;

usleep_range(osr->conv_usec, osr->conv_usec + (osr->conv_usec / 10UL)); - ret = ms5611_spi_read_adc(dev, temp); + ret = ms5611_spi_read_adc(st, temp); if (ret < 0) return ret;

@@ -78,7 +75,7 @@ static int ms5611_spi_read_adc_temp_and_pressure(struct device *dev, return ret;

usleep_range(osr->conv_usec, osr->conv_usec + (osr->conv_usec / 10UL)); - return ms5611_spi_read_adc(dev, pressure); + return ms5611_spi_read_adc(st, pressure); }

static int ms5611_spi_probe(struct spi_device *spi) diff --git a/drivers/input/misc/soc_button_array.c b/drivers/input/misc/soc_button_array.c index efffcf0ebd3b..31c02c2019c1 100644 --- a/drivers/input/misc/soc_button_array.c +++ b/drivers/input/misc/soc_button_array.c @@ -18,6 +18,10 @@ #include <linux/gpio.h> #include <linux/platform_device.h>

+static bool use_low_level_irq; +module_param(use_low_level_irq, bool, 0444); +MODULE_PARM_DESC(use_low_level_irq, "Use low-level triggered IRQ instead of edge triggered"); + struct soc_button_info { const char *name; int acpi_index; @@ -73,6 +77,13 @@ static const struct dmi_system_id dmi_use_low_level_irq[] = { DMI_MATCH(DMI_PRODUCT_NAME, "Aspire SW5-012"), }, }, + { + /* Acer Switch V 10 SW5-017, same issue as Acer Switch 10 SW5-012. */ + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "Acer"), + DMI_MATCH(DMI_PRODUCT_NAME, "SW5-017"), + }, + }, { /* * Acer One S1003. _LID method messes with power-button GPIO @@ -164,7 +175,8 @@ soc_button_device_create(struct platform_device *pdev, }

/* See dmi_use_low_level_irq[] comment */ - if (!autorepeat && dmi_check_system(dmi_use_low_level_irq)) { + if (!autorepeat && (use_low_level_irq || + dmi_check_system(dmi_use_low_level_irq))) { irq_set_irq_type(irq, IRQ_TYPE_LEVEL_LOW); gpio_keys[n_buttons].irq = irq; gpio_keys[n_buttons].gpio = -ENOENT; diff --git a/drivers/input/mouse/synaptics.c b/drivers/input/mouse/synaptics.c index 82577095e175..f1013b950d57 100644 --- a/drivers/input/mouse/synaptics.c +++ b/drivers/input/mouse/synaptics.c @@ -191,6 +191,7 @@ static const char * const smbus_pnp_ids[] = { "SYN3221", /* HP 15-ay000 */ "SYN323d", /* HP Spectre X360 13-w013dx */ "SYN3257", /* HP Envy 13-ad105ng */ + "SYN3286", /* HP Laptop 15-da3001TU */ NULL };

diff --git a/drivers/input/touchscreen/goodix.c b/drivers/input/touchscreen/goodix.c index b23abde5d7db..b7f87ad4b9a9 100644 --- a/drivers/input/touchscreen/goodix.c +++ b/drivers/input/touchscreen/goodix.c @@ -1059,6 +1059,7 @@ static int goodix_configure_dev(struct goodix_ts_data *ts) input_set_abs_params(ts->input_dev, ABS_MT_WIDTH_MAJOR, 0, 255, 0, 0); input_set_abs_params(ts->input_dev, ABS_MT_TOUCH_MAJOR, 0, 255, 0, 0);

+retry_read_config: /* Read configuration and apply touchscreen parameters */ goodix_read_config(ts);

@@ -1066,6 +1067,16 @@ static int goodix_configure_dev(struct goodix_ts_data *ts) touchscreen_parse_properties(ts->input_dev, true, &ts->prop);

if (!ts->prop.max_x || !ts->prop.max_y || !ts->max_touch_num) { + if (!ts->reset_controller_at_probe && + ts->irq_pin_access_method != IRQ_PIN_ACCESS_NONE) { + dev_info(&ts->client->dev, "Config not set, resetting controller\n"); + /* Retry after a controller reset */ + ts->reset_controller_at_probe = true; + error = goodix_reset(ts); + if (error) + return error; + goto retry_read_config; + } dev_err(&ts->client->dev, "Invalid config (%d, %d, %d), using defaults\n", ts->prop.max_x, ts->prop.max_y, ts->max_touch_num); diff --git a/drivers/irqchip/irq-gic-v3-its.c b/drivers/irqchip/irq-gic-v3-its.c index 42b295337baf..d8cb5bcd6b10 100644 --- a/drivers/irqchip/irq-gic-v3-its.c +++ b/drivers/irqchip/irq-gic-v3-its.c @@ -1615,7 +1615,7 @@ static int its_select_cpu(struct irq_data *d,

cpu = cpumask_pick_least_loaded(d, tmpmask); } else { - cpumask_and(tmpmask, irq_data_get_affinity_mask(d), cpu_online_mask); + cpumask_copy(tmpmask, aff_mask);

/* If we cannot cross sockets, limit the search to that node */ if ((its_dev->its->flags & ITS_FLAGS_WORKAROUND_CAVIUM_23144) && diff --git a/drivers/md/dm-integrity.c b/drivers/md/dm-integrity.c index 835b1f3464d0..2156a2d5ac70 100644 --- a/drivers/md/dm-integrity.c +++ b/drivers/md/dm-integrity.c @@ -254,6 +254,7 @@ struct dm_integrity_c {

struct completion crypto_backoff;

+ bool wrote_to_journal; bool journal_uptodate; bool just_formatted; bool recalculate_flag; @@ -2256,6 +2257,8 @@ static void integrity_commit(struct work_struct *w) if (!commit_sections) goto release_flush_bios;

+ ic->wrote_to_journal = true; + i = commit_start; for (n = 0; n < commit_sections; n++) { for (j = 0; j < ic->journal_section_entries; j++) { @@ -2470,10 +2473,6 @@ static void integrity_writer(struct work_struct *w)

unsigned prev_free_sectors;

- /* the following test is not needed, but it tests the replay code */ - if (unlikely(dm_post_suspending(ic->ti)) && !ic->meta_dev) - return; - spin_lock_irq(&ic->endio_wait.lock); write_start = ic->committed_section; write_sections = ic->n_committed_sections; @@ -2980,10 +2979,17 @@ static void dm_integrity_postsuspend(struct dm_target *ti) drain_workqueue(ic->commit_wq);

if (ic->mode == 'J') { - if (ic->meta_dev) - queue_work(ic->writer_wq, &ic->writer_work); + queue_work(ic->writer_wq, &ic->writer_work); drain_workqueue(ic->writer_wq); dm_integrity_flush_buffers(ic, true); + if (ic->wrote_to_journal) { + init_journal(ic, ic->free_section, + ic->journal_sections - ic->free_section, ic->commit_seq); + if (ic->free_section) { + init_journal(ic, 0, ic->free_section, + next_commit_seq(ic->commit_seq)); + } + } }

if (ic->mode == 'B') { @@ -3011,6 +3017,8 @@ static void dm_integrity_resume(struct dm_target *ti)

DEBUG_print("resume\n");

+ ic->wrote_to_journal = false; + if (ic->provided_data_sectors != old_provided_data_sectors) { if (ic->provided_data_sectors > old_provided_data_sectors && ic->mode == 'B' && diff --git a/drivers/mmc/host/sdhci-brcmstb.c b/drivers/mmc/host/sdhci-brcmstb.c index f24623aac2db..4d42b1810ace 100644 --- a/drivers/mmc/host/sdhci-brcmstb.c +++ b/drivers/mmc/host/sdhci-brcmstb.c @@ -12,28 +12,55 @@ #include <linux/bitops.h> #include <linux/delay.h>

+#include "sdhci-cqhci.h" #include "sdhci-pltfm.h" #include "cqhci.h"

#define SDHCI_VENDOR 0x78 #define SDHCI_VENDOR_ENHANCED_STRB 0x1 +#define SDHCI_VENDOR_GATE_SDCLK_EN 0x2

-#define BRCMSTB_PRIV_FLAGS_NO_64BIT BIT(0) -#define BRCMSTB_PRIV_FLAGS_BROKEN_TIMEOUT BIT(1) +#define BRCMSTB_MATCH_FLAGS_NO_64BIT BIT(0) +#define BRCMSTB_MATCH_FLAGS_BROKEN_TIMEOUT BIT(1) +#define BRCMSTB_MATCH_FLAGS_HAS_CLOCK_GATE BIT(2) + +#define BRCMSTB_PRIV_FLAGS_HAS_CQE BIT(0) +#define BRCMSTB_PRIV_FLAGS_GATE_CLOCK BIT(1)

#define SDHCI_ARASAN_CQE_BASE_ADDR 0x200

struct sdhci_brcmstb_priv { void __iomem *cfg_regs; - bool has_cqe; + unsigned int flags; };

struct brcmstb_match_priv { void (*hs400es)(struct mmc_host *mmc, struct mmc_ios *ios); struct sdhci_ops *ops; - unsigned int flags; + const unsigned int flags; };

+static inline void enable_clock_gating(struct sdhci_host *host) +{ + u32 reg; + + reg = sdhci_readl(host, SDHCI_VENDOR); + reg |= SDHCI_VENDOR_GATE_SDCLK_EN; + sdhci_writel(host, reg, SDHCI_VENDOR); +} + +void brcmstb_reset(struct sdhci_host *host, u8 mask) +{ + struct sdhci_pltfm_host *pltfm_host = sdhci_priv(host); + struct sdhci_brcmstb_priv *priv = sdhci_pltfm_priv(pltfm_host); + + sdhci_and_cqhci_reset(host, mask); + + /* Reset will clear this, so re-enable it */ + if (priv->flags & BRCMSTB_PRIV_FLAGS_GATE_CLOCK) + enable_clock_gating(host); +} + static void sdhci_brcmstb_hs400es(struct mmc_host *mmc, struct mmc_ios *ios) { struct sdhci_host *host = mmc_priv(mmc); @@ -129,22 +156,23 @@ static struct sdhci_ops sdhci_brcmstb_ops = { static struct sdhci_ops sdhci_brcmstb_ops_7216 = { .set_clock = sdhci_brcmstb_set_clock, .set_bus_width = sdhci_set_bus_width, - .reset = sdhci_reset, + .reset = brcmstb_reset, .set_uhs_signaling = sdhci_brcmstb_set_uhs_signaling, };

static struct brcmstb_match_priv match_priv_7425 = { - .flags = BRCMSTB_PRIV_FLAGS_NO_64BIT | - BRCMSTB_PRIV_FLAGS_BROKEN_TIMEOUT, + .flags = BRCMSTB_MATCH_FLAGS_NO_64BIT | + BRCMSTB_MATCH_FLAGS_BROKEN_TIMEOUT, .ops = &sdhci_brcmstb_ops, };

static struct brcmstb_match_priv match_priv_7445 = { - .flags = BRCMSTB_PRIV_FLAGS_BROKEN_TIMEOUT, + .flags = BRCMSTB_MATCH_FLAGS_BROKEN_TIMEOUT, .ops = &sdhci_brcmstb_ops, };

static const struct brcmstb_match_priv match_priv_7216 = { + .flags = BRCMSTB_MATCH_FLAGS_HAS_CLOCK_GATE, .hs400es = sdhci_brcmstb_hs400es, .ops = &sdhci_brcmstb_ops_7216, }; @@ -176,7 +204,7 @@ static int sdhci_brcmstb_add_host(struct sdhci_host *host, bool dma64; int ret;

- if (!priv->has_cqe) + if ((priv->flags & BRCMSTB_PRIV_FLAGS_HAS_CQE) == 0) return sdhci_add_host(host);

dev_dbg(mmc_dev(host->mmc), "CQE is enabled\n"); @@ -225,7 +253,6 @@ static int sdhci_brcmstb_probe(struct platform_device *pdev) struct sdhci_brcmstb_priv *priv; struct sdhci_host *host; struct resource *iomem; - bool has_cqe = false; struct clk *clk; int res;

@@ -244,10 +271,6 @@ static int sdhci_brcmstb_probe(struct platform_device *pdev) return res;

memset(&brcmstb_pdata, 0, sizeof(brcmstb_pdata)); - if (device_property_read_bool(&pdev->dev, "supports-cqe")) { - has_cqe = true; - match_priv->ops->irq = sdhci_brcmstb_cqhci_irq; - } brcmstb_pdata.ops = match_priv->ops; host = sdhci_pltfm_init(pdev, &brcmstb_pdata, sizeof(struct sdhci_brcmstb_priv)); @@ -258,7 +281,10 @@ static int sdhci_brcmstb_probe(struct platform_device *pdev)

pltfm_host = sdhci_priv(host); priv = sdhci_pltfm_priv(pltfm_host); - priv->has_cqe = has_cqe; + if (device_property_read_bool(&pdev->dev, "supports-cqe")) { + priv->flags |= BRCMSTB_PRIV_FLAGS_HAS_CQE; + match_priv->ops->irq = sdhci_brcmstb_cqhci_irq; + }

/* Map in the non-standard CFG registers */ iomem = platform_get_resource(pdev, IORESOURCE_MEM, 1); @@ -273,6 +299,14 @@ static int sdhci_brcmstb_probe(struct platform_device *pdev) if (res) goto err;

+ /* + * Automatic clock gating does not work for SD cards that may + * voltage switch so only enable it for non-removable devices. + */ + if ((match_priv->flags & BRCMSTB_MATCH_FLAGS_HAS_CLOCK_GATE) && + (host->mmc->caps & MMC_CAP_NONREMOVABLE)) + priv->flags |= BRCMSTB_PRIV_FLAGS_GATE_CLOCK; + /* * If the chip has enhanced strobe and it's enabled, add * callback @@ -287,14 +321,14 @@ static int sdhci_brcmstb_probe(struct platform_device *pdev) * properties through mmc_of_parse(). */ host->caps = sdhci_readl(host, SDHCI_CAPABILITIES); - if (match_priv->flags & BRCMSTB_PRIV_FLAGS_NO_64BIT) + if (match_priv->flags & BRCMSTB_MATCH_FLAGS_NO_64BIT) host->caps &= ~SDHCI_CAN_64BIT; host->caps1 = sdhci_readl(host, SDHCI_CAPABILITIES_1); host->caps1 &= ~(SDHCI_SUPPORT_SDR50 | SDHCI_SUPPORT_SDR104 | SDHCI_SUPPORT_DDR50); host->quirks |= SDHCI_QUIRK_MISSING_CAPS;

- if (match_priv->flags & BRCMSTB_PRIV_FLAGS_BROKEN_TIMEOUT) + if (match_priv->flags & BRCMSTB_MATCH_FLAGS_BROKEN_TIMEOUT) host->quirks |= SDHCI_QUIRK_BROKEN_TIMEOUT_VAL;

res = sdhci_brcmstb_add_host(host, priv); diff --git a/drivers/net/arcnet/arc-rimi.c b/drivers/net/arcnet/arc-rimi.c index 98df38fe553c..12d085405bd0 100644 --- a/drivers/net/arcnet/arc-rimi.c +++ b/drivers/net/arcnet/arc-rimi.c @@ -332,7 +332,7 @@ static int __init arc_rimi_init(void) dev->irq = 9;

if (arcrimi_probe(dev)) { - free_netdev(dev); + free_arcdev(dev); return -EIO; }

@@ -349,7 +349,7 @@ static void __exit arc_rimi_exit(void) iounmap(lp->mem_start); release_mem_region(dev->mem_start, dev->mem_end - dev->mem_start + 1); free_irq(dev->irq, dev); - free_netdev(dev); + free_arcdev(dev); }

#ifndef MODULE diff --git a/drivers/net/arcnet/arcdevice.h b/drivers/net/arcnet/arcdevice.h index 22a49c6d7ae6..5d4a4c7efbbf 100644 --- a/drivers/net/arcnet/arcdevice.h +++ b/drivers/net/arcnet/arcdevice.h @@ -298,6 +298,10 @@ struct arcnet_local {

int excnak_pending; /* We just got an excesive nak interrupt */

+ /* RESET flag handling */ + int reset_in_progress; + struct work_struct reset_work; + struct { uint16_t sequence; /* sequence number (incs with each packet) */ __be16 aborted_seq; @@ -350,7 +354,9 @@ void arcnet_dump_skb(struct net_device *dev, struct sk_buff *skb, char *desc)

void arcnet_unregister_proto(struct ArcProto *proto); irqreturn_t arcnet_interrupt(int irq, void *dev_id); + struct net_device *alloc_arcdev(const char *name); +void free_arcdev(struct net_device *dev);

int arcnet_open(struct net_device *dev); int arcnet_close(struct net_device *dev); diff --git a/drivers/net/arcnet/arcnet.c b/drivers/net/arcnet/arcnet.c index e04efc0a5c97..d76dd7d14299 100644 --- a/drivers/net/arcnet/arcnet.c +++ b/drivers/net/arcnet/arcnet.c @@ -387,10 +387,44 @@ static void arcnet_timer(struct timer_list *t) struct arcnet_local *lp = from_timer(lp, t, timer); struct net_device *dev = lp->dev;

- if (!netif_carrier_ok(dev)) { + spin_lock_irq(&lp->lock); + + if (!lp->reset_in_progress && !netif_carrier_ok(dev)) { netif_carrier_on(dev); netdev_info(dev, "link up\n"); } + + spin_unlock_irq(&lp->lock); +} + +static void reset_device_work(struct work_struct *work) +{ + struct arcnet_local *lp; + struct net_device *dev; + + lp = container_of(work, struct arcnet_local, reset_work); + dev = lp->dev; + + /* Do not bring the network interface back up if an ifdown + * was already done. + */ + if (!netif_running(dev) || !lp->reset_in_progress) + return; + + rtnl_lock(); + + /* Do another check, in case of an ifdown that was triggered in + * the small race window between the exit condition above and + * acquiring RTNL. + */ + if (!netif_running(dev) || !lp->reset_in_progress) + goto out; + + dev_close(dev); + dev_open(dev, NULL); + +out: + rtnl_unlock(); }

static void arcnet_reply_tasklet(unsigned long data) @@ -452,12 +486,25 @@ struct net_device *alloc_arcdev(const char *name) lp->dev = dev; spin_lock_init(&lp->lock); timer_setup(&lp->timer, arcnet_timer, 0); + INIT_WORK(&lp->reset_work, reset_device_work); }

return dev; } EXPORT_SYMBOL(alloc_arcdev);

+void free_arcdev(struct net_device *dev) +{ + struct arcnet_local *lp = netdev_priv(dev); + + /* Do not cancel this at ->ndo_close(), as the workqueue itself + * indirectly calls the ifdown path through dev_close(). + */ + cancel_work_sync(&lp->reset_work); + free_netdev(dev); +} +EXPORT_SYMBOL(free_arcdev); + /* Open/initialize the board. This is called sometime after booting when * the 'ifconfig' program is run. * @@ -587,6 +634,10 @@ int arcnet_close(struct net_device *dev)

/* shut down the card */ lp->hw.close(dev); + + /* reset counters */ + lp->reset_in_progress = 0; + module_put(lp->hw.owner); return 0; } @@ -820,6 +871,9 @@ irqreturn_t arcnet_interrupt(int irq, void *dev_id)

spin_lock_irqsave(&lp->lock, flags);

+ if (lp->reset_in_progress) + goto out; + /* RESET flag was enabled - if device is not running, we must * clear it right away (but nothing else). */ @@ -852,11 +906,14 @@ irqreturn_t arcnet_interrupt(int irq, void *dev_id) if (status & RESETflag) { arc_printk(D_NORMAL, dev, "spurious reset (status=%Xh)\n", status); - arcnet_close(dev); - arcnet_open(dev); + + lp->reset_in_progress = 1; + netif_stop_queue(dev); + netif_carrier_off(dev); + schedule_work(&lp->reset_work);

/* get out of the interrupt handler! */ - break; + goto out; } /* RX is inhibited - we must have received something. * Prepare to receive into the next buffer. @@ -1052,6 +1109,7 @@ irqreturn_t arcnet_interrupt(int irq, void *dev_id) udelay(1); lp->hw.intmask(dev, lp->intmask);

+out: spin_unlock_irqrestore(&lp->lock, flags); return retval; } diff --git a/drivers/net/arcnet/com20020-isa.c b/drivers/net/arcnet/com20020-isa.c index f983c4ce6b07..be618e4b9ed5 100644 --- a/drivers/net/arcnet/com20020-isa.c +++ b/drivers/net/arcnet/com20020-isa.c @@ -169,7 +169,7 @@ static int __init com20020_init(void) dev->irq = 9;

if (com20020isa_probe(dev)) { - free_netdev(dev); + free_arcdev(dev); return -EIO; }

@@ -182,7 +182,7 @@ static void __exit com20020_exit(void) unregister_netdev(my_dev); free_irq(my_dev->irq, my_dev); release_region(my_dev->base_addr, ARCNET_TOTAL_SIZE); - free_netdev(my_dev); + free_arcdev(my_dev); }

#ifndef MODULE diff --git a/drivers/net/arcnet/com20020-pci.c b/drivers/net/arcnet/com20020-pci.c index 9f44e2e458df..b4f8798d8c50 100644 --- a/drivers/net/arcnet/com20020-pci.c +++ b/drivers/net/arcnet/com20020-pci.c @@ -294,7 +294,7 @@ static void com20020pci_remove(struct pci_dev *pdev)

unregister_netdev(dev); free_irq(dev->irq, dev); - free_netdev(dev); + free_arcdev(dev); } }

diff --git a/drivers/net/arcnet/com20020_cs.c b/drivers/net/arcnet/com20020_cs.c index cf607ffcf358..e0c7720bd5da 100644 --- a/drivers/net/arcnet/com20020_cs.c +++ b/drivers/net/arcnet/com20020_cs.c @@ -113,6 +113,7 @@ static int com20020_probe(struct pcmcia_device *p_dev) struct com20020_dev *info; struct net_device *dev; struct arcnet_local *lp; + int ret = -ENOMEM;

dev_dbg(&p_dev->dev, "com20020_attach()\n");

@@ -142,12 +143,18 @@ static int com20020_probe(struct pcmcia_device *p_dev) info->dev = dev; p_dev->priv = info;

- return com20020_config(p_dev); + ret = com20020_config(p_dev); + if (ret) + goto fail_config; + + return 0;

+fail_config: + free_arcdev(dev); fail_alloc_dev: kfree(info); fail_alloc_info: - return -ENOMEM; + return ret; } /* com20020_attach */

static void com20020_detach(struct pcmcia_device *link) @@ -177,7 +184,7 @@ static void com20020_detach(struct pcmcia_device *link) dev = info->dev; if (dev) { dev_dbg(&link->dev, "kfree...\n"); - free_netdev(dev); + free_arcdev(dev); } dev_dbg(&link->dev, "kfree2...\n"); kfree(info); diff --git a/drivers/net/arcnet/com90io.c b/drivers/net/arcnet/com90io.c index cf214b730671..3856b447d38e 100644 --- a/drivers/net/arcnet/com90io.c +++ b/drivers/net/arcnet/com90io.c @@ -396,7 +396,7 @@ static int __init com90io_init(void) err = com90io_probe(dev);

if (err) { - free_netdev(dev); + free_arcdev(dev); return err; }

@@ -419,7 +419,7 @@ static void __exit com90io_exit(void)

free_irq(dev->irq, dev); release_region(dev->base_addr, ARCNET_TOTAL_SIZE); - free_netdev(dev); + free_arcdev(dev); }

module_init(com90io_init) diff --git a/drivers/net/arcnet/com90xx.c b/drivers/net/arcnet/com90xx.c index 3dc3d533cb19..d8dfb9ea0de8 100644 --- a/drivers/net/arcnet/com90xx.c +++ b/drivers/net/arcnet/com90xx.c @@ -554,7 +554,7 @@ static int __init com90xx_found(int ioaddr, int airq, u_long shmem, err_release_mem: release_mem_region(dev->mem_start, dev->mem_end - dev->mem_start + 1); err_free_dev: - free_netdev(dev); + free_arcdev(dev); return -EIO; }

@@ -672,7 +672,7 @@ static void __exit com90xx_exit(void) release_region(dev->base_addr, ARCNET_TOTAL_SIZE); release_mem_region(dev->mem_start, dev->mem_end - dev->mem_start + 1); - free_netdev(dev); + free_arcdev(dev); } }

diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_sriov.c b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_sriov.c index 08437eaacbb9..ac327839eed9 100644 --- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_sriov.c +++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_sriov.c @@ -795,16 +795,20 @@ static void bnx2x_vf_enable_traffic(struct bnx2x *bp, struct bnx2x_virtf *vf)

static u8 bnx2x_vf_is_pcie_pending(struct bnx2x *bp, u8 abs_vfid) { - struct pci_dev *dev; struct bnx2x_virtf *vf = bnx2x_vf_by_abs_fid(bp, abs_vfid); + struct pci_dev *dev; + bool pending;

if (!vf) return false;

dev = pci_get_domain_bus_and_slot(vf->domain, vf->bus, vf->devfn); - if (dev) - return bnx2x_is_pcie_pending(dev); - return false; + if (!dev) + return false; + pending = bnx2x_is_pcie_pending(dev); + pci_dev_put(dev); + + return pending; }

int bnx2x_vf_flr_clnup_epilog(struct bnx2x *bp, u8 abs_vfid) diff --git a/drivers/net/ethernet/cavium/liquidio/lio_main.c b/drivers/net/ethernet/cavium/liquidio/lio_main.c index c4dc6e2ccd6b..eefb25bcf57f 100644 --- a/drivers/net/ethernet/cavium/liquidio/lio_main.c +++ b/drivers/net/ethernet/cavium/liquidio/lio_main.c @@ -1798,7 +1798,7 @@ static int liquidio_open(struct net_device *netdev)

ifstate_set(lio, LIO_IFSTATE_RUNNING);

- if (!OCTEON_CN23XX_PF(oct) || (OCTEON_CN23XX_PF(oct) && !oct->msix_on)) { + if (!OCTEON_CN23XX_PF(oct) || !oct->msix_on) { ret = setup_tx_poll_fn(netdev); if (ret) goto err_poll; @@ -1828,7 +1828,7 @@ static int liquidio_open(struct net_device *netdev) return 0;

err_rx_ctrl: - if (!OCTEON_CN23XX_PF(oct) || (OCTEON_CN23XX_PF(oct) && !oct->msix_on)) + if (!OCTEON_CN23XX_PF(oct) || !oct->msix_on) cleanup_tx_poll_fn(netdev); err_poll: if (lio->ptp_clock) { diff --git a/drivers/net/ethernet/cavium/thunder/thunder_bgx.c b/drivers/net/ethernet/cavium/thunder/thunder_bgx.c index 8ff28ed04b7f..f0e48b9373d6 100644 --- a/drivers/net/ethernet/cavium/thunder/thunder_bgx.c +++ b/drivers/net/ethernet/cavium/thunder/thunder_bgx.c @@ -1438,8 +1438,10 @@ static acpi_status bgx_acpi_match_id(acpi_handle handle, u32 lvl, return AE_OK; }

- if (strncmp(string.pointer, bgx_sel, 4)) + if (strncmp(string.pointer, bgx_sel, 4)) { + kfree(string.pointer); return AE_OK; + }

acpi_walk_namespace(ACPI_TYPE_DEVICE, handle, 1, bgx_acpi_register_phy, NULL, bgx, NULL); diff --git a/drivers/net/ethernet/freescale/enetc/enetc.c b/drivers/net/ethernet/freescale/enetc/enetc.c index ca62c72eb772..975762ccb66f 100644 --- a/drivers/net/ethernet/freescale/enetc/enetc.c +++ b/drivers/net/ethernet/freescale/enetc/enetc.c @@ -1212,7 +1212,7 @@ static void enetc_setup_txbdr(struct enetc_hw *hw, struct enetc_bdr *tx_ring) /* enable Tx ints by setting pkt thr to 1 */ enetc_txbdr_wr(hw, idx, ENETC_TBICR0, ENETC_TBICR0_ICEN | 0x1);

- tbmr = ENETC_TBMR_EN; + tbmr = ENETC_TBMR_EN | ENETC_TBMR_SET_PRIO(tx_ring->prio); if (tx_ring->ndev->features & NETIF_F_HW_VLAN_CTAG_TX) tbmr |= ENETC_TBMR_VIH;

@@ -1272,13 +1272,14 @@ static void enetc_setup_rxbdr(struct enetc_hw *hw, struct enetc_bdr *rx_ring)

static void enetc_setup_bdrs(struct enetc_ndev_priv *priv) { + struct enetc_hw *hw = &priv->si->hw; int i;

for (i = 0; i < priv->num_tx_rings; i++) - enetc_setup_txbdr(&priv->si->hw, priv->tx_ring[i]); + enetc_setup_txbdr(hw, priv->tx_ring[i]);

for (i = 0; i < priv->num_rx_rings; i++) - enetc_setup_rxbdr(&priv->si->hw, priv->rx_ring[i]); + enetc_setup_rxbdr(hw, priv->rx_ring[i]); }

static void enetc_clear_rxbdr(struct enetc_hw *hw, struct enetc_bdr *rx_ring) @@ -1311,13 +1312,14 @@ static void enetc_clear_txbdr(struct enetc_hw *hw, struct enetc_bdr *tx_ring)

static void enetc_clear_bdrs(struct enetc_ndev_priv *priv) { + struct enetc_hw *hw = &priv->si->hw; int i;

for (i = 0; i < priv->num_tx_rings; i++) - enetc_clear_txbdr(&priv->si->hw, priv->tx_ring[i]); + enetc_clear_txbdr(hw, priv->tx_ring[i]);

for (i = 0; i < priv->num_rx_rings; i++) - enetc_clear_rxbdr(&priv->si->hw, priv->rx_ring[i]); + enetc_clear_rxbdr(hw, priv->rx_ring[i]);

udelay(1); } @@ -1325,13 +1327,13 @@ static void enetc_clear_bdrs(struct enetc_ndev_priv *priv) static int enetc_setup_irqs(struct enetc_ndev_priv *priv) { struct pci_dev *pdev = priv->si->pdev; + struct enetc_hw *hw = &priv->si->hw; int i, j, err;

for (i = 0; i < priv->bdr_int_num; i++) { int irq = pci_irq_vector(pdev, ENETC_BDR_INT_BASE_IDX + i); struct enetc_int_vector *v = priv->int_vector[i]; int entry = ENETC_BDR_INT_BASE_IDX + i; - struct enetc_hw *hw = &priv->si->hw;

snprintf(v->name, sizeof(v->name), "%s-rxtx%d", priv->ndev->name, i); @@ -1419,13 +1421,14 @@ static void enetc_setup_interrupts(struct enetc_ndev_priv *priv)

static void enetc_clear_interrupts(struct enetc_ndev_priv *priv) { + struct enetc_hw *hw = &priv->si->hw; int i;

for (i = 0; i < priv->num_tx_rings; i++) - enetc_txbdr_wr(&priv->si->hw, i, ENETC_TBIER, 0); + enetc_txbdr_wr(hw, i, ENETC_TBIER, 0);

for (i = 0; i < priv->num_rx_rings; i++) - enetc_rxbdr_wr(&priv->si->hw, i, ENETC_RBIER, 0); + enetc_rxbdr_wr(hw, i, ENETC_RBIER, 0); }

static int enetc_phylink_connect(struct net_device *ndev) @@ -1565,6 +1568,7 @@ static int enetc_setup_tc_mqprio(struct net_device *ndev, void *type_data) { struct enetc_ndev_priv *priv = netdev_priv(ndev); struct tc_mqprio_qopt *mqprio = type_data; + struct enetc_hw *hw = &priv->si->hw; struct enetc_bdr *tx_ring; u8 num_tc; int i; @@ -1579,7 +1583,8 @@ static int enetc_setup_tc_mqprio(struct net_device *ndev, void *type_data) /* Reset all ring priorities to 0 */ for (i = 0; i < priv->num_tx_rings; i++) { tx_ring = priv->tx_ring[i]; - enetc_set_bdr_prio(&priv->si->hw, tx_ring->index, 0); + tx_ring->prio = 0; + enetc_set_bdr_prio(hw, tx_ring->index, tx_ring->prio); }

return 0; @@ -1598,7 +1603,8 @@ static int enetc_setup_tc_mqprio(struct net_device *ndev, void *type_data) */ for (i = 0; i < num_tc; i++) { tx_ring = priv->tx_ring[i]; - enetc_set_bdr_prio(&priv->si->hw, tx_ring->index, i); + tx_ring->prio = i; + enetc_set_bdr_prio(hw, tx_ring->index, tx_ring->prio); }

/* Reset the number of netdev queues based on the TC count */ @@ -1679,19 +1685,21 @@ static int enetc_set_rss(struct net_device *ndev, int en) static void enetc_enable_rxvlan(struct net_device *ndev, bool en) { struct enetc_ndev_priv *priv = netdev_priv(ndev); + struct enetc_hw *hw = &priv->si->hw; int i;

for (i = 0; i < priv->num_rx_rings; i++) - enetc_bdr_enable_rxvlan(&priv->si->hw, i, en); + enetc_bdr_enable_rxvlan(hw, i, en); }

static void enetc_enable_txvlan(struct net_device *ndev, bool en) { struct enetc_ndev_priv *priv = netdev_priv(ndev); + struct enetc_hw *hw = &priv->si->hw; int i;

for (i = 0; i < priv->num_tx_rings; i++) - enetc_bdr_enable_txvlan(&priv->si->hw, i, en); + enetc_bdr_enable_txvlan(hw, i, en); }

void enetc_set_features(struct net_device *ndev, netdev_features_t features) diff --git a/drivers/net/ethernet/freescale/enetc/enetc.h b/drivers/net/ethernet/freescale/enetc/enetc.h index 00386c5d3cde..725c3d1cbb19 100644 --- a/drivers/net/ethernet/freescale/enetc/enetc.h +++ b/drivers/net/ethernet/freescale/enetc/enetc.h @@ -58,6 +58,7 @@ struct enetc_bdr { void __iomem *rcir; }; u16 index; + u16 prio; int bd_count; /* # of BDs */ int next_to_use; int next_to_clean; @@ -338,19 +339,20 @@ int enetc_set_psfp(struct net_device *ndev, bool en);

static inline void enetc_get_max_cap(struct enetc_ndev_priv *priv) { + struct enetc_hw *hw = &priv->si->hw; u32 reg;

- reg = enetc_port_rd(&priv->si->hw, ENETC_PSIDCAPR); + reg = enetc_port_rd(hw, ENETC_PSIDCAPR); priv->psfp_cap.max_streamid = reg & ENETC_PSIDCAPR_MSK; /* Port stream filter capability */ - reg = enetc_port_rd(&priv->si->hw, ENETC_PSFCAPR); + reg = enetc_port_rd(hw, ENETC_PSFCAPR); priv->psfp_cap.max_psfp_filter = reg & ENETC_PSFCAPR_MSK; /* Port stream gate capability */ - reg = enetc_port_rd(&priv->si->hw, ENETC_PSGCAPR); + reg = enetc_port_rd(hw, ENETC_PSGCAPR); priv->psfp_cap.max_psfp_gate = (reg & ENETC_PSGCAPR_SGIT_MSK); priv->psfp_cap.max_psfp_gatelist = (reg & ENETC_PSGCAPR_GCL_MSK) >> 16; /* Port flow meter capability */ - reg = enetc_port_rd(&priv->si->hw, ENETC_PFMCAPR); + reg = enetc_port_rd(hw, ENETC_PFMCAPR); priv->psfp_cap.max_psfp_meter = reg & ENETC_PFMCAPR_MSK; }

diff --git a/drivers/net/ethernet/freescale/enetc/enetc_pf.c b/drivers/net/ethernet/freescale/enetc/enetc_pf.c index 6904e10dd46b..515db7e6e649 100644 --- a/drivers/net/ethernet/freescale/enetc/enetc_pf.c +++ b/drivers/net/ethernet/freescale/enetc/enetc_pf.c @@ -748,9 +748,6 @@ static void enetc_pf_netdev_setup(struct enetc_si *si, struct net_device *ndev,

ndev->priv_flags |= IFF_UNICAST_FLT;

- if (si->hw_features & ENETC_SI_F_QBV) - priv->active_offloads |= ENETC_F_QBV; - if (si->hw_features & ENETC_SI_F_PSFP && !enetc_psfp_enable(priv)) { priv->active_offloads |= ENETC_F_QCI; ndev->features |= NETIF_F_HW_TC; @@ -996,7 +993,8 @@ static void enetc_pl_mac_link_up(struct phylink_config *config, struct enetc_ndev_priv *priv;

priv = netdev_priv(pf->si->ndev); - if (priv->active_offloads & ENETC_F_QBV) + + if (pf->si->hw_features & ENETC_SI_F_QBV) enetc_sched_speed_set(priv, speed);

if (!phylink_autoneg_inband(mode) && diff --git a/drivers/net/ethernet/freescale/enetc/enetc_qos.c b/drivers/net/ethernet/freescale/enetc/enetc_qos.c index 62efe1aebf86..5841721c8119 100644 --- a/drivers/net/ethernet/freescale/enetc/enetc_qos.c +++ b/drivers/net/ethernet/freescale/enetc/enetc_qos.c @@ -17,8 +17,9 @@ static u16 enetc_get_max_gcl_len(struct enetc_hw *hw)

void enetc_sched_speed_set(struct enetc_ndev_priv *priv, int speed) { + struct enetc_hw *hw = &priv->si->hw; u32 old_speed = priv->speed; - u32 pspeed; + u32 pspeed, tmp;

if (speed == old_speed) return; @@ -39,16 +40,15 @@ void enetc_sched_speed_set(struct enetc_ndev_priv *priv, int speed) }

priv->speed = speed; - enetc_port_wr(&priv->si->hw, ENETC_PMR, - (enetc_port_rd(&priv->si->hw, ENETC_PMR) - & (~ENETC_PMR_PSPEED_MASK)) - | pspeed); + tmp = enetc_port_rd(hw, ENETC_PMR); + enetc_port_wr(hw, ENETC_PMR, (tmp & ~ENETC_PMR_PSPEED_MASK) | pspeed); }

static int enetc_setup_taprio(struct net_device *ndev, struct tc_taprio_qopt_offload *admin_conf) { struct enetc_ndev_priv *priv = netdev_priv(ndev); + struct enetc_hw *hw = &priv->si->hw; struct enetc_cbd cbd = {.cmd = 0}; struct tgs_gcl_conf *gcl_config; struct tgs_gcl_data *gcl_data; @@ -60,15 +60,16 @@ static int enetc_setup_taprio(struct net_device *ndev, int err; int i;

- if (admin_conf->num_entries > enetc_get_max_gcl_len(&priv->si->hw)) + if (admin_conf->num_entries > enetc_get_max_gcl_len(hw)) return -EINVAL; gcl_len = admin_conf->num_entries;

- tge = enetc_rd(&priv->si->hw, ENETC_QBV_PTGCR_OFFSET); + tge = enetc_rd(hw, ENETC_QBV_PTGCR_OFFSET); if (!admin_conf->enable) { - enetc_wr(&priv->si->hw, - ENETC_QBV_PTGCR_OFFSET, - tge & (~ENETC_QBV_TGE)); + enetc_wr(hw, ENETC_QBV_PTGCR_OFFSET, tge & ~ENETC_QBV_TGE); + + priv->active_offloads &= ~ENETC_F_QBV; + return 0; }

@@ -123,18 +124,18 @@ static int enetc_setup_taprio(struct net_device *ndev, cbd.cls = BDCR_CMD_PORT_GCL; cbd.status_flags = 0;

- enetc_wr(&priv->si->hw, ENETC_QBV_PTGCR_OFFSET, - tge | ENETC_QBV_TGE); + enetc_wr(hw, ENETC_QBV_PTGCR_OFFSET, tge | ENETC_QBV_TGE);

err = enetc_send_cmd(priv->si, &cbd); if (err) - enetc_wr(&priv->si->hw, - ENETC_QBV_PTGCR_OFFSET, - tge & (~ENETC_QBV_TGE)); + enetc_wr(hw, ENETC_QBV_PTGCR_OFFSET, tge & ~ENETC_QBV_TGE);

dma_unmap_single(&priv->si->pdev->dev, dma, data_size, DMA_TO_DEVICE); kfree(gcl_data);

+ if (!err) + priv->active_offloads |= ENETC_F_QBV; + return err; }

@@ -142,6 +143,8 @@ int enetc_setup_tc_taprio(struct net_device *ndev, void *type_data) { struct tc_taprio_qopt_offload *taprio = type_data; struct enetc_ndev_priv *priv = netdev_priv(ndev); + struct enetc_hw *hw = &priv->si->hw; + struct enetc_bdr *tx_ring; int err; int i;

@@ -150,18 +153,20 @@ int enetc_setup_tc_taprio(struct net_device *ndev, void *type_data) if (priv->tx_ring[i]->tsd_enable) return -EBUSY;

- for (i = 0; i < priv->num_tx_rings; i++) - enetc_set_bdr_prio(&priv->si->hw, - priv->tx_ring[i]->index, - taprio->enable ? i : 0); + for (i = 0; i < priv->num_tx_rings; i++) { + tx_ring = priv->tx_ring[i]; + tx_ring->prio = taprio->enable ? i : 0; + enetc_set_bdr_prio(hw, tx_ring->index, tx_ring->prio); + }

err = enetc_setup_taprio(ndev, taprio); - - if (err) - for (i = 0; i < priv->num_tx_rings; i++) - enetc_set_bdr_prio(&priv->si->hw, - priv->tx_ring[i]->index, - taprio->enable ? 0 : i); + if (err) { + for (i = 0; i < priv->num_tx_rings; i++) { + tx_ring = priv->tx_ring[i]; + tx_ring->prio = taprio->enable ? 0 : i; + enetc_set_bdr_prio(hw, tx_ring->index, tx_ring->prio); + } + }

return err; } @@ -182,7 +187,7 @@ int enetc_setup_tc_cbs(struct net_device *ndev, void *type_data) struct tc_cbs_qopt_offload *cbs = type_data; u32 port_transmit_rate = priv->speed; u8 tc_nums = netdev_get_num_tc(ndev); - struct enetc_si *si = priv->si; + struct enetc_hw *hw = &priv->si->hw; u32 hi_credit_bit, hi_credit_reg; u32 max_interference_size; u32 port_frame_max_size; @@ -203,15 +208,15 @@ int enetc_setup_tc_cbs(struct net_device *ndev, void *type_data) * lower than this TC have been disabled. */ if (tc == prio_top && - enetc_get_cbs_enable(&si->hw, prio_next)) { + enetc_get_cbs_enable(hw, prio_next)) { dev_err(&ndev->dev, "Disable TC%d before disable TC%d\n", prio_next, tc); return -EINVAL; }

- enetc_port_wr(&si->hw, ENETC_PTCCBSR1(tc), 0); - enetc_port_wr(&si->hw, ENETC_PTCCBSR0(tc), 0); + enetc_port_wr(hw, ENETC_PTCCBSR1(tc), 0); + enetc_port_wr(hw, ENETC_PTCCBSR0(tc), 0);

return 0; } @@ -228,13 +233,13 @@ int enetc_setup_tc_cbs(struct net_device *ndev, void *type_data) * higher than this TC have been enabled. */ if (tc == prio_next) { - if (!enetc_get_cbs_enable(&si->hw, prio_top)) { + if (!enetc_get_cbs_enable(hw, prio_top)) { dev_err(&ndev->dev, "Enable TC%d first before enable TC%d\n", prio_top, prio_next); return -EINVAL; } - bw_sum += enetc_get_cbs_bw(&si->hw, prio_top); + bw_sum += enetc_get_cbs_bw(hw, prio_top); }

if (bw_sum + bw >= 100) { @@ -243,7 +248,7 @@ int enetc_setup_tc_cbs(struct net_device *ndev, void *type_data) return -EINVAL; }

- enetc_port_rd(&si->hw, ENETC_PTCMSDUR(tc)); + enetc_port_rd(hw, ENETC_PTCMSDUR(tc));

/* For top prio TC, the max_interfrence_size is maxSizedFrame. * @@ -263,8 +268,8 @@ int enetc_setup_tc_cbs(struct net_device *ndev, void *type_data) u32 m0, ma, r0, ra;

m0 = port_frame_max_size * 8; - ma = enetc_port_rd(&si->hw, ENETC_PTCMSDUR(prio_top)) * 8; - ra = enetc_get_cbs_bw(&si->hw, prio_top) * + ma = enetc_port_rd(hw, ENETC_PTCMSDUR(prio_top)) * 8; + ra = enetc_get_cbs_bw(hw, prio_top) * port_transmit_rate * 10000ULL; r0 = port_transmit_rate * 1000000ULL; max_interference_size = m0 + ma + @@ -284,10 +289,10 @@ int enetc_setup_tc_cbs(struct net_device *ndev, void *type_data) hi_credit_reg = (u32)div_u64((ENETC_CLK * 100ULL) * hi_credit_bit, port_transmit_rate * 1000000ULL);

- enetc_port_wr(&si->hw, ENETC_PTCCBSR1(tc), hi_credit_reg); + enetc_port_wr(hw, ENETC_PTCCBSR1(tc), hi_credit_reg);

/* Set bw register and enable this traffic class */ - enetc_port_wr(&si->hw, ENETC_PTCCBSR0(tc), bw | ENETC_CBSE); + enetc_port_wr(hw, ENETC_PTCCBSR0(tc), bw | ENETC_CBSE);

return 0; } @@ -297,6 +302,7 @@ int enetc_setup_tc_txtime(struct net_device *ndev, void *type_data) struct enetc_ndev_priv *priv = netdev_priv(ndev); struct tc_etf_qopt_offload *qopt = type_data; u8 tc_nums = netdev_get_num_tc(ndev); + struct enetc_hw *hw = &priv->si->hw; int tc;

if (!tc_nums) @@ -312,12 +318,11 @@ int enetc_setup_tc_txtime(struct net_device *ndev, void *type_data) return -EBUSY;

/* TSD and Qbv are mutually exclusive in hardware */ - if (enetc_rd(&priv->si->hw, ENETC_QBV_PTGCR_OFFSET) & ENETC_QBV_TGE) + if (enetc_rd(hw, ENETC_QBV_PTGCR_OFFSET) & ENETC_QBV_TGE) return -EBUSY;

priv->tx_ring[tc]->tsd_enable = qopt->enable; - enetc_port_wr(&priv->si->hw, ENETC_PTCTSDR(tc), - qopt->enable ? ENETC_TSDE : 0); + enetc_port_wr(hw, ENETC_PTCTSDR(tc), qopt->enable ? ENETC_TSDE : 0);

return 0; } diff --git a/drivers/net/ethernet/mediatek/mtk_eth_soc.c b/drivers/net/ethernet/mediatek/mtk_eth_soc.c index c7aff89141e1..217dc67c48fa 100644 --- a/drivers/net/ethernet/mediatek/mtk_eth_soc.c +++ b/drivers/net/ethernet/mediatek/mtk_eth_soc.c @@ -2299,7 +2299,10 @@ static int mtk_open(struct net_device *dev) int err = mtk_start_dma(eth);

if (err) + if (err) { + phylink_disconnect_phy(mac->phylink); return err; + }

mtk_gdm_config(eth, MTK_GDMA_TO_PDMA);

diff --git a/drivers/net/ethernet/mellanox/mlx4/qp.c b/drivers/net/ethernet/mellanox/mlx4/qp.c index 427e7a31862c..d7f2890c254f 100644 --- a/drivers/net/ethernet/mellanox/mlx4/qp.c +++ b/drivers/net/ethernet/mellanox/mlx4/qp.c @@ -697,7 +697,8 @@ static int mlx4_create_zones(struct mlx4_dev *dev, err = mlx4_bitmap_init(*bitmap + k, 1, MLX4_QP_TABLE_RAW_ETH_SIZE - 1, 0, 0); - mlx4_bitmap_alloc_range(*bitmap + k, 1, 1, 0); + if (!err) + mlx4_bitmap_alloc_range(*bitmap + k, 1, 1, 0); }

if (err) diff --git a/drivers/net/ethernet/mellanox/mlx5/core/cmd.c b/drivers/net/ethernet/mellanox/mlx5/core/cmd.c index cf07318048df..c838d8698eab 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/cmd.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/cmd.c @@ -959,6 +959,7 @@ static void cmd_work_handler(struct work_struct *work) cmd_ent_get(ent); set_bit(MLX5_CMD_ENT_STATE_PENDING_COMP, &ent->state);

+ cmd_ent_get(ent); /* for the _real_ FW event on completion */ /* Skip sending command to fw if internal error */ if (mlx5_cmd_is_down(dev) || !opcode_allowed(&dev->cmd, ent->op)) { u8 status = 0; @@ -972,7 +973,6 @@ static void cmd_work_handler(struct work_struct *work) return; }

- cmd_ent_get(ent); /* for the _real_ FW event on completion */ /* ring doorbell after the descriptor is valid */ mlx5_core_dbg(dev, "writing 0x%x to command doorbell\n", 1 << ent->idx); wmb(); @@ -1586,8 +1586,8 @@ static void mlx5_cmd_comp_handler(struct mlx5_core_dev *dev, u64 vec, bool force cmd_ent_put(ent); /* timeout work was canceled */

if (!forced || /* Real FW completion */ - pci_channel_offline(dev->pdev) || /* FW is inaccessible */ - dev->state == MLX5_DEVICE_STATE_INTERNAL_ERROR) + mlx5_cmd_is_down(dev) || /* No real FW completion is expected */ + !opcode_allowed(cmd, ent->op)) cmd_ent_put(ent);

ent->ts2 = ktime_get_ns(); diff --git a/drivers/net/ethernet/mellanox/mlx5/core/diag/fw_tracer.c b/drivers/net/ethernet/mellanox/mlx5/core/diag/fw_tracer.c index e8a4adccd2b2..f800e1ca5ba6 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/diag/fw_tracer.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/diag/fw_tracer.c @@ -638,7 +638,7 @@ static void mlx5_tracer_handle_timestamp_trace(struct mlx5_fw_tracer *tracer, trace_timestamp = (timestamp_event.timestamp & MASK_52_7) | (str_frmt->timestamp & MASK_6_0); else - trace_timestamp = ((timestamp_event.timestamp & MASK_52_7) - 1) | + trace_timestamp = ((timestamp_event.timestamp - 1) & MASK_52_7) | (str_frmt->timestamp & MASK_6_0);

mlx5_tracer_print_trace(str_frmt, dev, trace_timestamp); diff --git a/drivers/net/ethernet/netronome/nfp/nfp_devlink.c b/drivers/net/ethernet/netronome/nfp/nfp_devlink.c index 7a8187458724..24578c48f075 100644 --- a/drivers/net/ethernet/netronome/nfp/nfp_devlink.c +++ b/drivers/net/ethernet/netronome/nfp/nfp_devlink.c @@ -363,7 +363,7 @@ int nfp_devlink_port_register(struct nfp_app *app, struct nfp_port *port) return ret;

attrs.split = eth_port.is_split; - attrs.splittable = !attrs.split; + attrs.splittable = eth_port.port_lanes > 1 && !attrs.split; attrs.lanes = eth_port.port_lanes; attrs.flavour = DEVLINK_PORT_FLAVOUR_PHYSICAL; attrs.phys.port_number = eth_port.label_port; diff --git a/drivers/net/ethernet/netronome/nfp/nfp_net_ethtool.c b/drivers/net/ethernet/netronome/nfp/nfp_net_ethtool.c index 3977aa2f59bd..311873ff57e3 100644 --- a/drivers/net/ethernet/netronome/nfp/nfp_net_ethtool.c +++ b/drivers/net/ethernet/netronome/nfp/nfp_net_ethtool.c @@ -1225,6 +1225,9 @@ nfp_port_get_module_info(struct net_device *netdev, u8 data;

port = nfp_port_from_netdev(netdev); + if (!port) + return -EOPNOTSUPP; + /* update port state to get latest interface */ set_bit(NFP_PORT_CHANGED, &port->flags); eth_port = nfp_port_get_eth_port(port); diff --git a/drivers/net/ethernet/oki-semi/pch_gbe/pch_gbe_main.c b/drivers/net/ethernet/oki-semi/pch_gbe/pch_gbe_main.c index 2942102efd48..bde32f0845ca 100644 --- a/drivers/net/ethernet/oki-semi/pch_gbe/pch_gbe_main.c +++ b/drivers/net/ethernet/oki-semi/pch_gbe/pch_gbe_main.c @@ -1166,6 +1166,7 @@ static void pch_gbe_tx_queue(struct pch_gbe_adapter *adapter, buffer_info->dma = 0; buffer_info->time_stamp = 0; tx_ring->next_to_use = ring_num; + dev_kfree_skb_any(skb); return; } buffer_info->mapped = true; @@ -2481,6 +2482,7 @@ static void pch_gbe_remove(struct pci_dev *pdev) unregister_netdev(netdev);

pch_gbe_phy_hw_reset(&adapter->hw); + pci_dev_put(adapter->ptp_pdev);

free_netdev(netdev); } @@ -2562,7 +2564,7 @@ static int pch_gbe_probe(struct pci_dev *pdev, /* setup the private structure */ ret = pch_gbe_sw_init(adapter); if (ret) - goto err_free_netdev; + goto err_put_dev;

/* Initialize PHY */ ret = pch_gbe_init_phy(adapter); @@ -2620,6 +2622,8 @@ static int pch_gbe_probe(struct pci_dev *pdev,

err_free_adapter: pch_gbe_phy_hw_reset(&adapter->hw); +err_put_dev: + pci_dev_put(adapter->ptp_pdev); err_free_netdev: free_netdev(netdev); return ret; diff --git a/drivers/net/ethernet/qlogic/qla3xxx.c b/drivers/net/ethernet/qlogic/qla3xxx.c index 2219e4c59ae6..99fd35a8ca75 100644 --- a/drivers/net/ethernet/qlogic/qla3xxx.c +++ b/drivers/net/ethernet/qlogic/qla3xxx.c @@ -2475,6 +2475,7 @@ static netdev_tx_t ql3xxx_send(struct sk_buff *skb, skb_shinfo(skb)->nr_frags); if (tx_cb->seg_count == -1) { netdev_err(ndev, "%s: invalid segment count!\n", __func__); + dev_kfree_skb_any(skb); return NETDEV_TX_OK; }

diff --git a/drivers/net/ethernet/sfc/ef100_netdev.c b/drivers/net/ethernet/sfc/ef100_netdev.c index 67fe44db6b61..63a44ee763be 100644 --- a/drivers/net/ethernet/sfc/ef100_netdev.c +++ b/drivers/net/ethernet/sfc/ef100_netdev.c @@ -200,6 +200,7 @@ static netdev_tx_t ef100_hard_start_xmit(struct sk_buff *skb, skb->len, skb->data_len, channel->channel); if (!efx->n_channels || !efx->n_tx_channels || !channel) { netif_stop_queue(net_dev); + dev_kfree_skb_any(skb); goto err; }

diff --git a/drivers/net/macsec.c b/drivers/net/macsec.c index f84e3cc0d3ec..3e564158c401 100644 --- a/drivers/net/macsec.c +++ b/drivers/net/macsec.c @@ -2648,11 +2648,6 @@ static int macsec_upd_offload(struct sk_buff *skb, struct genl_info *info) if (ret) goto rollback;

- /* Force features update, since they are different for SW MACSec and - * HW offloading cases. - */ - netdev_update_features(dev); - rtnl_unlock(); return 0;

@@ -3420,16 +3415,9 @@ static netdev_tx_t macsec_start_xmit(struct sk_buff *skb, return ret; }

-#define SW_MACSEC_FEATURES \ +#define MACSEC_FEATURES \ (NETIF_F_SG | NETIF_F_HIGHDMA | NETIF_F_FRAGLIST)

-/* If h/w offloading is enabled, use real device features save for - * VLAN_FEATURES - they require additional ops - * HW_MACSEC - no reason to report it - */ -#define REAL_DEV_FEATURES(dev) \ - ((dev)->features & ~(NETIF_F_VLAN_FEATURES | NETIF_F_HW_MACSEC)) - static int macsec_dev_init(struct net_device *dev) { struct macsec_dev *macsec = macsec_priv(dev); @@ -3446,12 +3434,8 @@ static int macsec_dev_init(struct net_device *dev) return err; }

- if (macsec_is_offloaded(macsec)) { - dev->features = REAL_DEV_FEATURES(real_dev); - } else { - dev->features = real_dev->features & SW_MACSEC_FEATURES; - dev->features |= NETIF_F_LLTX | NETIF_F_GSO_SOFTWARE; - } + dev->features = real_dev->features & MACSEC_FEATURES; + dev->features |= NETIF_F_LLTX | NETIF_F_GSO_SOFTWARE;

dev->needed_headroom = real_dev->needed_headroom + MACSEC_NEEDED_HEADROOM; @@ -3480,10 +3464,7 @@ static netdev_features_t macsec_fix_features(struct net_device *dev, struct macsec_dev *macsec = macsec_priv(dev); struct net_device *real_dev = macsec->real_dev;

- if (macsec_is_offloaded(macsec)) - return REAL_DEV_FEATURES(real_dev); - - features &= (real_dev->features & SW_MACSEC_FEATURES) | + features &= (real_dev->features & MACSEC_FEATURES) | NETIF_F_GSO_SOFTWARE | NETIF_F_SOFT_FEATURES; features |= NETIF_F_LLTX;

@@ -3832,7 +3813,6 @@ static int macsec_changelink(struct net_device *dev, struct nlattr *tb[], if (macsec_is_offloaded(macsec)) { const struct macsec_ops *ops; struct macsec_context ctx; - int ret;

ops = macsec_get_ops(netdev_priv(dev), &ctx); if (!ops) { diff --git a/drivers/net/usb/qmi_wwan.c b/drivers/net/usb/qmi_wwan.c index a1c9233e264d..7313e6e03c12 100644 --- a/drivers/net/usb/qmi_wwan.c +++ b/drivers/net/usb/qmi_wwan.c @@ -1292,6 +1292,7 @@ static const struct usb_device_id products[] = { {QMI_FIXED_INTF(0x2357, 0x0201, 4)}, /* TP-LINK HSUPA Modem MA180 */ {QMI_FIXED_INTF(0x2357, 0x9000, 4)}, /* TP-LINK MA260 */ {QMI_QUIRK_SET_DTR(0x1bc7, 0x1031, 3)}, /* Telit LE910C1-EUX */ + {QMI_QUIRK_SET_DTR(0x1bc7, 0x103a, 0)}, /* Telit LE910C4-WWX */ {QMI_QUIRK_SET_DTR(0x1bc7, 0x1040, 2)}, /* Telit LE922A */ {QMI_QUIRK_SET_DTR(0x1bc7, 0x1050, 2)}, /* Telit FN980 */ {QMI_QUIRK_SET_DTR(0x1bc7, 0x1060, 2)}, /* Telit LN920 */ diff --git a/drivers/net/wireless/cisco/airo.c b/drivers/net/wireless/cisco/airo.c index 0569f37e9ed5..8c9c6bfbaeee 100644 --- a/drivers/net/wireless/cisco/airo.c +++ b/drivers/net/wireless/cisco/airo.c @@ -5236,7 +5236,7 @@ static int get_wep_tx_idx(struct airo_info *ai) return -1; }

-static int set_wep_key(struct airo_info *ai, u16 index, const char *key, +static int set_wep_key(struct airo_info *ai, u16 index, const u8 *key, u16 keylen, int perm, int lock) { static const unsigned char macaddr[ETH_ALEN] = { 0x01, 0, 0, 0, 0, 0 }; @@ -5287,7 +5287,7 @@ static void proc_wepkey_on_close(struct inode *inode, struct file *file) struct net_device *dev = PDE_DATA(inode); struct airo_info *ai = dev->ml_priv; int i, rc; - char key[16]; + u8 key[16]; u16 index = 0; int j = 0;

@@ -5315,12 +5315,22 @@ static void proc_wepkey_on_close(struct inode *inode, struct file *file) }

for (i = 0; i < 16*3 && data->wbuffer[i+j]; i++) { + int val; + + if (i % 3 == 2) + continue; + + val = hex_to_bin(data->wbuffer[i+j]); + if (val < 0) { + airo_print_err(ai->dev->name, "WebKey passed invalid key hex"); + return; + } switch(i%3) { case 0: - key[i/3] = hex_to_bin(data->wbuffer[i+j])<<4; + key[i/3] = (u8)val << 4; break; case 1: - key[i/3] |= hex_to_bin(data->wbuffer[i+j]); + key[i/3] |= (u8)val; break; } } diff --git a/drivers/net/wireless/mac80211_hwsim.c b/drivers/net/wireless/mac80211_hwsim.c index a6d4ff4760ad..255286b2324e 100644 --- a/drivers/net/wireless/mac80211_hwsim.c +++ b/drivers/net/wireless/mac80211_hwsim.c @@ -775,6 +775,7 @@ static void hwsim_send_nullfunc(struct mac80211_hwsim_data *data, u8 *mac, struct hwsim_vif_priv *vp = (void *)vif->drv_priv; struct sk_buff *skb; struct ieee80211_hdr *hdr; + struct ieee80211_tx_info *cb;

if (!vp->assoc) return; @@ -796,6 +797,10 @@ static void hwsim_send_nullfunc(struct mac80211_hwsim_data *data, u8 *mac, memcpy(hdr->addr2, mac, ETH_ALEN); memcpy(hdr->addr3, vp->bssid, ETH_ALEN);

+ cb = IEEE80211_SKB_CB(skb); + cb->control.rates[0].count = 1; + cb->control.rates[1].idx = -1; + rcu_read_lock(); mac80211_hwsim_tx_frame(data->hw, skb, rcu_dereference(vif->chanctx_conf)->def.chan); diff --git a/drivers/net/wireless/microchip/wilc1000/cfg80211.c b/drivers/net/wireless/microchip/wilc1000/cfg80211.c index 6be5ac8ba518..dd26f2086180 100644 --- a/drivers/net/wireless/microchip/wilc1000/cfg80211.c +++ b/drivers/net/wireless/microchip/wilc1000/cfg80211.c @@ -939,30 +939,52 @@ static inline void wilc_wfi_cfg_parse_ch_attr(u8 *buf, u32 len, u8 sta_ch) return;

while (index + sizeof(*e) <= len) { + u16 attr_size; + e = (struct wilc_attr_entry *)&buf[index]; - if (e->attr_type == IEEE80211_P2P_ATTR_CHANNEL_LIST) + attr_size = le16_to_cpu(e->attr_len); + + if (index + sizeof(*e) + attr_size > len) + return; + + if (e->attr_type == IEEE80211_P2P_ATTR_CHANNEL_LIST && + attr_size >= (sizeof(struct wilc_attr_ch_list) - sizeof(*e))) ch_list_idx = index; - else if (e->attr_type == IEEE80211_P2P_ATTR_OPER_CHANNEL) + else if (e->attr_type == IEEE80211_P2P_ATTR_OPER_CHANNEL && + attr_size == (sizeof(struct wilc_attr_oper_ch) - sizeof(*e))) op_ch_idx = index; + if (ch_list_idx && op_ch_idx) break; - index += le16_to_cpu(e->attr_len) + sizeof(*e); + + index += sizeof(*e) + attr_size; }

if (ch_list_idx) { - u16 attr_size; - struct wilc_ch_list_elem *e; - int i; + unsigned int i; + u16 elem_size;

ch_list = (struct wilc_attr_ch_list *)&buf[ch_list_idx]; - attr_size = le16_to_cpu(ch_list->attr_len); - for (i = 0; i < attr_size;) { + /* the number of bytes following the final 'elem' member */ + elem_size = le16_to_cpu(ch_list->attr_len) - + (sizeof(*ch_list) - sizeof(struct wilc_attr_entry)); + for (i = 0; i < elem_size;) { + struct wilc_ch_list_elem *e; + e = (struct wilc_ch_list_elem *)(ch_list->elem + i); + + i += sizeof(*e); + if (i > elem_size) + break; + + i += e->no_of_channels; + if (i > elem_size) + break; + if (e->op_class == WILC_WLAN_OPERATING_CLASS_2_4GHZ) { memset(e->ch_list, sta_ch, e->no_of_channels); break; } - i += e->no_of_channels; } }

diff --git a/drivers/net/wireless/microchip/wilc1000/hif.c b/drivers/net/wireless/microchip/wilc1000/hif.c index d025a3093015..b25847799138 100644 --- a/drivers/net/wireless/microchip/wilc1000/hif.c +++ b/drivers/net/wireless/microchip/wilc1000/hif.c @@ -467,14 +467,25 @@ void *wilc_parse_join_bss_param(struct cfg80211_bss *bss,

rsn_ie = cfg80211_find_ie(WLAN_EID_RSN, ies->data, ies->len); if (rsn_ie) { + int rsn_ie_len = sizeof(struct element) + rsn_ie[1]; int offset = 8;

- param->mode_802_11i = 2; - param->rsn_found = true; /* extract RSN capabilities */ - offset += (rsn_ie[offset] * 4) + 2; - offset += (rsn_ie[offset] * 4) + 2; - memcpy(param->rsn_cap, &rsn_ie[offset], 2); + if (offset < rsn_ie_len) { + /* skip over pairwise suites */ + offset += (rsn_ie[offset] * 4) + 2; + + if (offset < rsn_ie_len) { + /* skip over authentication suites */ + offset += (rsn_ie[offset] * 4) + 2; + + if (offset + 1 < rsn_ie_len) { + param->mode_802_11i = 2; + param->rsn_found = true; + memcpy(param->rsn_cap, &rsn_ie[offset], 2); + } + } + } }

if (param->rsn_found) { diff --git a/drivers/nfc/st-nci/se.c b/drivers/nfc/st-nci/se.c index 807eae04c1e3..37d397aae9b9 100644 --- a/drivers/nfc/st-nci/se.c +++ b/drivers/nfc/st-nci/se.c @@ -327,7 +327,7 @@ static int st_nci_hci_connectivity_event_received(struct nci_dev *ndev, * AID 81 5 to 16 * PARAMETERS 82 0 to 255 */ - if (skb->len < NFC_MIN_AID_LENGTH + 2 && + if (skb->len < NFC_MIN_AID_LENGTH + 2 || skb->data[0] != NFC_EVT_TRANSACTION_AID_TAG) return -EPROTO;

@@ -340,8 +340,10 @@ static int st_nci_hci_connectivity_event_received(struct nci_dev *ndev,

/* Check next byte is PARAMETERS tag (82) */ if (skb->data[transaction->aid_len + 2] != - NFC_EVT_TRANSACTION_PARAMS_TAG) + NFC_EVT_TRANSACTION_PARAMS_TAG) { + devm_kfree(dev, transaction); return -EPROTO; + }

transaction->params_len = skb->data[transaction->aid_len + 3]; memcpy(transaction->params, skb->data + diff --git a/drivers/nvme/host/pci.c b/drivers/nvme/host/pci.c index 65f4bf880608..089f39103584 100644 --- a/drivers/nvme/host/pci.c +++ b/drivers/nvme/host/pci.c @@ -3252,6 +3252,10 @@ static const struct pci_device_id nvme_id_table[] = { { PCI_DEVICE(0x1cc1, 0x8201), /* ADATA SX8200PNP 512GB */ .driver_data = NVME_QUIRK_NO_DEEPEST_PS | NVME_QUIRK_IGNORE_DEV_SUBNQN, }, + { PCI_DEVICE(0x1344, 0x5407), /* Micron Technology Inc NVMe SSD */ + .driver_data = NVME_QUIRK_IGNORE_DEV_SUBNQN }, + { PCI_DEVICE(0x1344, 0x6001), /* Micron Nitro NVMe */ + .driver_data = NVME_QUIRK_BOGUS_NID, }, { PCI_DEVICE(0x1c5c, 0x1504), /* SK Hynix PC400 */ .driver_data = NVME_QUIRK_DISABLE_WRITE_ZEROES, }, { PCI_DEVICE(0x15b7, 0x2001), /* Sandisk Skyhawk */ diff --git a/drivers/platform/x86/acer-wmi.c b/drivers/platform/x86/acer-wmi.c index 8e696262215f..ebec49957ed0 100644 --- a/drivers/platform/x86/acer-wmi.c +++ b/drivers/platform/x86/acer-wmi.c @@ -536,6 +536,15 @@ static const struct dmi_system_id acer_quirks[] __initconst = { }, .driver_data = (void *)ACER_CAP_KBD_DOCK, }, + { + .callback = set_force_caps, + .ident = "Acer Aspire Switch V 10 SW5-017", + .matches = { + DMI_EXACT_MATCH(DMI_SYS_VENDOR, "Acer"), + DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "SW5-017"), + }, + .driver_data = (void *)ACER_CAP_KBD_DOCK, + }, { .callback = set_force_caps, .ident = "Acer One 10 (S1003)", diff --git a/drivers/platform/x86/asus-wmi.c b/drivers/platform/x86/asus-wmi.c index 39e1a6396e08..db369cf26111 100644 --- a/drivers/platform/x86/asus-wmi.c +++ b/drivers/platform/x86/asus-wmi.c @@ -1212,6 +1212,8 @@ static void asus_wmi_set_xusb2pr(struct asus_wmi *asus) pci_write_config_dword(xhci_pdev, USB_INTEL_XUSB2PR, cpu_to_le32(ports_available));

+ pci_dev_put(xhci_pdev); + pr_info("set USB_INTEL_XUSB2PR old: 0x%04x, new: 0x%04x\n", orig_ports_available, ports_available); } diff --git a/drivers/platform/x86/hp-wmi.c b/drivers/platform/x86/hp-wmi.c index 519b2ab84a63..6642d09b17b5 100644 --- a/drivers/platform/x86/hp-wmi.c +++ b/drivers/platform/x86/hp-wmi.c @@ -63,6 +63,7 @@ enum hp_wmi_event_ids { HPWMI_PEAKSHIFT_PERIOD = 0x0F, HPWMI_BATTERY_CHARGE_PERIOD = 0x10, HPWMI_SANITIZATION_MODE = 0x17, + HPWMI_SMART_EXPERIENCE_APP = 0x21, };

struct bios_args { @@ -632,6 +633,8 @@ static void hp_wmi_notify(u32 value, void *context) break; case HPWMI_SANITIZATION_MODE: break; + case HPWMI_SMART_EXPERIENCE_APP: + break; default: pr_info("Unknown event_id - %d - 0x%x\n", event_id, event_data); break; diff --git a/drivers/platform/x86/touchscreen_dmi.c b/drivers/platform/x86/touchscreen_dmi.c index ab6a9369649d..110ff1e6ef81 100644 --- a/drivers/platform/x86/touchscreen_dmi.c +++ b/drivers/platform/x86/touchscreen_dmi.c @@ -756,6 +756,22 @@ static const struct ts_dmi_data predia_basic_data = { .properties = predia_basic_props, };

+static const struct property_entry rca_cambio_w101_v2_props[] = { + PROPERTY_ENTRY_U32("touchscreen-min-x", 4), + PROPERTY_ENTRY_U32("touchscreen-min-y", 20), + PROPERTY_ENTRY_U32("touchscreen-size-x", 1644), + PROPERTY_ENTRY_U32("touchscreen-size-y", 874), + PROPERTY_ENTRY_BOOL("touchscreen-swapped-x-y"), + PROPERTY_ENTRY_STRING("firmware-name", "gsl1680-rca-cambio-w101-v2.fw"), + PROPERTY_ENTRY_U32("silead,max-fingers", 10), + { } +}; + +static const struct ts_dmi_data rca_cambio_w101_v2_data = { + .acpi_name = "MSSL1680:00", + .properties = rca_cambio_w101_v2_props, +}; + static const struct property_entry rwc_nanote_p8_props[] = { PROPERTY_ENTRY_U32("touchscreen-min-y", 46), PROPERTY_ENTRY_U32("touchscreen-size-x", 1728), @@ -1341,6 +1357,15 @@ const struct dmi_system_id touchscreen_dmi_table[] = { DMI_EXACT_MATCH(DMI_BOARD_NAME, "0E57"), }, }, + { + /* RCA Cambio W101 v2 */ + /* https://github.com/onitake/gsl-firmware/discussions/193 */ + .driver_data = (void *)&rca_cambio_w101_v2_data, + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "RCA"), + DMI_MATCH(DMI_PRODUCT_NAME, "W101SA23T1"), + }, + }, { /* RWC NANOTE P8 */ .driver_data = (void *)&rwc_nanote_p8_data, diff --git a/drivers/regulator/core.c b/drivers/regulator/core.c index bf8ba73d6c7c..eb083b26ab4f 100644 --- a/drivers/regulator/core.c +++ b/drivers/regulator/core.c @@ -4928,6 +4928,7 @@ static void regulator_dev_release(struct device *dev) { struct regulator_dev *rdev = dev_get_drvdata(dev);

+ debugfs_remove_recursive(rdev->debugfs); kfree(rdev->constraints); of_node_put(rdev->dev.of_node); kfree(rdev); @@ -5401,11 +5402,15 @@ regulator_register(const struct regulator_desc *regulator_desc, mutex_lock(&regulator_list_mutex); regulator_ena_gpio_free(rdev); mutex_unlock(&regulator_list_mutex); + put_device(&rdev->dev); + rdev = NULL; clean: if (dangling_of_gpiod) gpiod_put(config->ena_gpiod); + if (rdev && rdev->dev.of_node) + of_node_put(rdev->dev.of_node); + kfree(rdev); kfree(config); - put_device(&rdev->dev); rinse: if (dangling_cfg_gpiod) gpiod_put(cfg->ena_gpiod); @@ -5434,7 +5439,6 @@ void regulator_unregister(struct regulator_dev *rdev)

mutex_lock(&regulator_list_mutex);

- debugfs_remove_recursive(rdev->debugfs); WARN_ON(rdev->open_count); regulator_remove_coupling(rdev); unset_regulator_supplies(rdev); diff --git a/drivers/regulator/twl6030-regulator.c b/drivers/regulator/twl6030-regulator.c index 430265c404d6..7c7e3648ea4b 100644 --- a/drivers/regulator/twl6030-regulator.c +++ b/drivers/regulator/twl6030-regulator.c @@ -530,6 +530,7 @@ static const struct twlreg_info TWL6030_INFO_##label = { \ #define TWL6032_ADJUSTABLE_LDO(label, offset) \ static const struct twlreg_info TWL6032_INFO_##label = { \ .base = offset, \ + .features = TWL6032_SUBCLASS, \ .desc = { \ .name = #label, \ .id = TWL6032_REG_##label, \ @@ -562,6 +563,7 @@ static const struct twlreg_info TWLFIXED_INFO_##label = { \ #define TWL6032_ADJUSTABLE_SMPS(label, offset) \ static const struct twlreg_info TWLSMPS_INFO_##label = { \ .base = offset, \ + .features = TWL6032_SUBCLASS, \ .desc = { \ .name = #label, \ .id = TWL6032_REG_##label, \ diff --git a/drivers/s390/block/dasd_eckd.c b/drivers/s390/block/dasd_eckd.c index 7749deb614d7..53d22975a32f 100644 --- a/drivers/s390/block/dasd_eckd.c +++ b/drivers/s390/block/dasd_eckd.c @@ -4627,7 +4627,6 @@ static struct dasd_ccw_req *dasd_eckd_build_cp_raw(struct dasd_device *startdev, struct dasd_device *basedev; struct req_iterator iter; struct dasd_ccw_req *cqr; - unsigned int first_offs; unsigned int trkcount; unsigned long *idaws; unsigned int size; @@ -4661,7 +4660,6 @@ static struct dasd_ccw_req *dasd_eckd_build_cp_raw(struct dasd_device *startdev, last_trk = (blk_rq_pos(req) + blk_rq_sectors(req) - 1) / DASD_RAW_SECTORS_PER_TRACK; trkcount = last_trk - first_trk + 1; - first_offs = 0;

if (rq_data_dir(req) == READ) cmd = DASD_ECKD_CCW_READ_TRACK; @@ -4705,13 +4703,13 @@ static struct dasd_ccw_req *dasd_eckd_build_cp_raw(struct dasd_device *startdev,

if (use_prefix) { prefix_LRE(ccw++, data, first_trk, last_trk, cmd, basedev, - startdev, 1, first_offs + 1, trkcount, 0, 0); + startdev, 1, 0, trkcount, 0, 0); } else { define_extent(ccw++, data, first_trk, last_trk, cmd, basedev, 0); ccw[-1].flags |= CCW_FLAG_CC;

data += sizeof(struct DE_eckd_data); - locate_record_ext(ccw++, data, first_trk, first_offs + 1, + locate_record_ext(ccw++, data, first_trk, 0, trkcount, cmd, basedev, 0, 0); }

diff --git a/drivers/scsi/ibmvscsi/ibmvfc.c b/drivers/scsi/ibmvscsi/ibmvfc.c index f6d6539c657f..b793e342ab7c 100644 --- a/drivers/scsi/ibmvscsi/ibmvfc.c +++ b/drivers/scsi/ibmvscsi/ibmvfc.c @@ -635,8 +635,13 @@ static void ibmvfc_init_host(struct ibmvfc_host *vhost) memset(vhost->async_crq.msgs, 0, PAGE_SIZE); vhost->async_crq.cur = 0;

- list_for_each_entry(tgt, &vhost->targets, queue) - ibmvfc_del_tgt(tgt); + list_for_each_entry(tgt, &vhost->targets, queue) { + if (vhost->client_migrated) + tgt->need_login = 1; + else + ibmvfc_del_tgt(tgt); + } + scsi_block_requests(vhost->host); ibmvfc_set_host_action(vhost, IBMVFC_HOST_ACTION_INIT); vhost->job_step = ibmvfc_npiv_login; @@ -2822,9 +2827,12 @@ static void ibmvfc_handle_crq(struct ibmvfc_crq *crq, struct ibmvfc_host *vhost) /* We need to re-setup the interpartition connection */ dev_info(vhost->dev, "Partition migrated, Re-enabling adapter\n"); vhost->client_migrated = 1; + + scsi_block_requests(vhost->host); ibmvfc_purge_requests(vhost, DID_REQUEUE); - ibmvfc_link_down(vhost, IBMVFC_LINK_DOWN); + ibmvfc_set_host_state(vhost, IBMVFC_LINK_DOWN); ibmvfc_set_host_action(vhost, IBMVFC_HOST_ACTION_REENABLE); + wake_up(&vhost->work_wait_q); } else if (crq->format == IBMVFC_PARTNER_FAILED || crq->format == IBMVFC_PARTNER_DEREGISTER) { dev_err(vhost->dev, "Host partner adapter deregistered or failed (rc=%d)\n", crq->format); ibmvfc_purge_requests(vhost, DID_ERROR); diff --git a/drivers/scsi/scsi_debug.c b/drivers/scsi/scsi_debug.c index 261b915835b4..cc20621bb49d 100644 --- a/drivers/scsi/scsi_debug.c +++ b/drivers/scsi/scsi_debug.c @@ -1878,6 +1878,13 @@ static int resp_readcap16(struct scsi_cmnd *scp, arr[14] |= 0x40; }

+ /* + * Since the scsi_debug READ CAPACITY implementation always reports the + * total disk capacity, set RC BASIS = 1 for host-managed ZBC devices. + */ + if (devip->zmodel == BLK_ZONED_HM) + arr[12] |= 1 << 4; + arr[15] = sdebug_lowest_aligned & 0xff;

if (have_dif_prot) { diff --git a/drivers/scsi/scsi_transport_sas.c b/drivers/scsi/scsi_transport_sas.c index 4a96fb05731d..c6256fdc24b1 100644 --- a/drivers/scsi/scsi_transport_sas.c +++ b/drivers/scsi/scsi_transport_sas.c @@ -716,12 +716,17 @@ int sas_phy_add(struct sas_phy *phy) int error;

error = device_add(&phy->dev); - if (!error) { - transport_add_device(&phy->dev); - transport_configure_device(&phy->dev); + if (error) + return error; + + error = transport_add_device(&phy->dev); + if (error) { + device_del(&phy->dev); + return error; } + transport_configure_device(&phy->dev);

- return error; + return 0; } EXPORT_SYMBOL(sas_phy_add);

diff --git a/drivers/scsi/storvsc_drv.c b/drivers/scsi/storvsc_drv.c index 7ac1090d4379..3fa8a0c94bdc 100644 --- a/drivers/scsi/storvsc_drv.c +++ b/drivers/scsi/storvsc_drv.c @@ -356,16 +356,21 @@ enum storvsc_request_type { };

/* - * SRB status codes and masks; a subset of the codes used here. + * SRB status codes and masks. In the 8-bit field, the two high order bits + * are flags, while the remaining 6 bits are an integer status code. The + * definitions here include only the subset of the integer status codes that + * are tested for in this driver. */ - #define SRB_STATUS_AUTOSENSE_VALID 0x80 #define SRB_STATUS_QUEUE_FROZEN 0x40 -#define SRB_STATUS_INVALID_LUN 0x20 -#define SRB_STATUS_SUCCESS 0x01 -#define SRB_STATUS_ABORTED 0x02 -#define SRB_STATUS_ERROR 0x04 -#define SRB_STATUS_DATA_OVERRUN 0x12 + +/* SRB status integer codes */ +#define SRB_STATUS_SUCCESS 0x01 +#define SRB_STATUS_ABORTED 0x02 +#define SRB_STATUS_ERROR 0x04 +#define SRB_STATUS_INVALID_REQUEST 0x06 +#define SRB_STATUS_DATA_OVERRUN 0x12 +#define SRB_STATUS_INVALID_LUN 0x20

#define SRB_STATUS(status) \ (status & ~(SRB_STATUS_AUTOSENSE_VALID | SRB_STATUS_QUEUE_FROZEN)) @@ -995,38 +1000,25 @@ static void storvsc_handle_error(struct vmscsi_request *vm_srb, void (*process_err_fn)(struct work_struct *work); struct hv_host_device *host_dev = shost_priv(host);

- /* - * 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; - } + switch (SRB_STATUS(vm_srb->srb_status)) { + case SRB_STATUS_ERROR: + case SRB_STATUS_ABORTED: + case SRB_STATUS_INVALID_REQUEST: + if (vm_srb->srb_status & SRB_STATUS_AUTOSENSE_VALID) { + /* Check for capacity change */ + if ((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_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. + * Otherwise, let upper layer deal with the + * error when sense message is present */ - 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) return; + }

/* * If there is an error; offline the device since all @@ -1049,6 +1041,13 @@ static void storvsc_handle_error(struct vmscsi_request *vm_srb, default: set_host_byte(scmnd, DID_ERROR); } + return; + + case SRB_STATUS_INVALID_LUN: + set_host_byte(scmnd, DID_NO_CONNECT); + process_err_fn = storvsc_remove_lun; + goto do_work; + } return;

diff --git a/drivers/spi/spi-dw-dma.c b/drivers/spi/spi-dw-dma.c index a09831c62192..32ac8f9068e8 100644 --- a/drivers/spi/spi-dw-dma.c +++ b/drivers/spi/spi-dw-dma.c @@ -127,12 +127,15 @@ static int dw_spi_dma_init_mfld(struct device *dev, struct dw_spi *dws)

dw_spi_dma_sg_burst_init(dws);

+ pci_dev_put(dma_dev); + return 0;

free_rxchan: dma_release_channel(dws->rxchan); dws->rxchan = NULL; err_exit: + pci_dev_put(dma_dev); return -EBUSY; }

diff --git a/drivers/spi/spi-stm32.c b/drivers/spi/spi-stm32.c index 651a6510fb54..9ec37cf10c01 100644 --- a/drivers/spi/spi-stm32.c +++ b/drivers/spi/spi-stm32.c @@ -443,7 +443,7 @@ static int stm32_spi_prepare_mbr(struct stm32_spi *spi, u32 speed_hz, u32 div, mbrdiv;

/* Ensure spi->clk_rate is even */ - div = DIV_ROUND_UP(spi->clk_rate & ~0x1, speed_hz); + div = DIV_ROUND_CLOSEST(spi->clk_rate & ~0x1, speed_hz);

/* * SPI framework set xfer->speed_hz to master->max_speed_hz if diff --git a/drivers/tee/optee/device.c b/drivers/tee/optee/device.c index 031806468af4..60ffc54da003 100644 --- a/drivers/tee/optee/device.c +++ b/drivers/tee/optee/device.c @@ -80,7 +80,7 @@ static int optee_register_device(const uuid_t *device_uuid) rc = device_register(&optee_device->dev); if (rc) { pr_err("device registration failed, err: %d\n", rc); - kfree(optee_device); + put_device(&optee_device->dev); }

return rc; diff --git a/drivers/tty/serial/8250/8250_omap.c b/drivers/tty/serial/8250/8250_omap.c index 3f7379f16a36..483fff3a95c9 100644 --- a/drivers/tty/serial/8250/8250_omap.c +++ b/drivers/tty/serial/8250/8250_omap.c @@ -293,6 +293,7 @@ static void omap8250_restore_regs(struct uart_8250_port *up) { struct omap8250_priv *priv = up->port.private_data; struct uart_8250_dma *dma = up->dma; + u8 mcr = serial8250_in_MCR(up);

if (dma && dma->tx_running) { /* @@ -309,7 +310,7 @@ static void omap8250_restore_regs(struct uart_8250_port *up) serial_out(up, UART_EFR, UART_EFR_ECB);

serial_out(up, UART_LCR, UART_LCR_CONF_MODE_A); - serial8250_out_MCR(up, UART_MCR_TCRTLR); + serial8250_out_MCR(up, mcr | UART_MCR_TCRTLR); serial_out(up, UART_FCR, up->fcr);

omap8250_update_scr(up, priv); @@ -325,7 +326,8 @@ static void omap8250_restore_regs(struct uart_8250_port *up) serial_out(up, UART_LCR, 0);

/* drop TCR + TLR access, we setup XON/XOFF later */ - serial8250_out_MCR(up, up->mcr); + serial8250_out_MCR(up, mcr); + serial_out(up, UART_IER, up->ier);

serial_out(up, UART_LCR, UART_LCR_CONF_MODE_B); @@ -684,7 +686,6 @@ static int omap_8250_startup(struct uart_port *port)

pm_runtime_get_sync(port->dev);

- up->mcr = 0; serial_out(up, UART_FCR, UART_FCR_CLEAR_RCVR | UART_FCR_CLEAR_XMIT);

serial_out(up, UART_LCR, UART_LCR_WLEN8); diff --git a/drivers/usb/cdns3/core.c b/drivers/usb/cdns3/core.c index 6eeb7ed8e91f..8fe7420de033 100644 --- a/drivers/usb/cdns3/core.c +++ b/drivers/usb/cdns3/core.c @@ -97,13 +97,23 @@ static int cdns3_core_init_role(struct cdns3 *cdns) * can be restricted later depending on strap pin configuration. */ if (dr_mode == USB_DR_MODE_UNKNOWN) { - if (IS_ENABLED(CONFIG_USB_CDNS3_HOST) && - IS_ENABLED(CONFIG_USB_CDNS3_GADGET)) - dr_mode = USB_DR_MODE_OTG; - else if (IS_ENABLED(CONFIG_USB_CDNS3_HOST)) - dr_mode = USB_DR_MODE_HOST; - else if (IS_ENABLED(CONFIG_USB_CDNS3_GADGET)) - dr_mode = USB_DR_MODE_PERIPHERAL; + if (cdns->version == CDNSP_CONTROLLER_V2) { + if (IS_ENABLED(CONFIG_USB_CDNSP_HOST) && + IS_ENABLED(CONFIG_USB_CDNSP_GADGET)) + dr_mode = USB_DR_MODE_OTG; + else if (IS_ENABLED(CONFIG_USB_CDNSP_HOST)) + dr_mode = USB_DR_MODE_HOST; + else if (IS_ENABLED(CONFIG_USB_CDNSP_GADGET)) + dr_mode = USB_DR_MODE_PERIPHERAL; + } else { + if (IS_ENABLED(CONFIG_USB_CDNS3_HOST) && + IS_ENABLED(CONFIG_USB_CDNS3_GADGET)) + dr_mode = USB_DR_MODE_OTG; + else if (IS_ENABLED(CONFIG_USB_CDNS3_HOST)) + dr_mode = USB_DR_MODE_HOST; + else if (IS_ENABLED(CONFIG_USB_CDNS3_GADGET)) + dr_mode = USB_DR_MODE_PERIPHERAL; + } }

/* diff --git a/drivers/usb/cdns3/core.h b/drivers/usb/cdns3/core.h index 3176f924293a..0d87871499ea 100644 --- a/drivers/usb/cdns3/core.h +++ b/drivers/usb/cdns3/core.h @@ -55,7 +55,9 @@ struct cdns3_platform_data { * @otg_res: the resource for otg * @otg_v0_regs: pointer to base of v0 otg registers * @otg_v1_regs: pointer to base of v1 otg registers + * @otg_cdnsp_regs: pointer to base of CDNSP otg registers * @otg_regs: pointer to base of otg registers + * @otg_irq_regs: pointer to interrupt registers * @otg_irq: irq number for otg controller * @dev_irq: irq number for device controller * @wakeup_irq: irq number for wakeup event, it is optional @@ -86,9 +88,12 @@ struct cdns3 { struct resource otg_res; struct cdns3_otg_legacy_regs *otg_v0_regs; struct cdns3_otg_regs *otg_v1_regs; + struct cdnsp_otg_regs *otg_cdnsp_regs; struct cdns3_otg_common_regs *otg_regs; + struct cdns3_otg_irq_regs *otg_irq_regs; #define CDNS3_CONTROLLER_V0 0 #define CDNS3_CONTROLLER_V1 1 +#define CDNSP_CONTROLLER_V2 2 u32 version; bool phyrst_a_enable;

diff --git a/drivers/usb/cdns3/drd.c b/drivers/usb/cdns3/drd.c index 38ccd29e4cde..95863d44e3e0 100644 --- a/drivers/usb/cdns3/drd.c +++ b/drivers/usb/cdns3/drd.c @@ -2,13 +2,12 @@ /* * Cadence USBSS DRD Driver. * - * Copyright (C) 2018-2019 Cadence. + * Copyright (C) 2018-2020 Cadence. * Copyright (C) 2019 Texas Instruments * * Author: Pawel Laszczak pawell@cadence.com * Roger Quadros rogerq@ti.com * - * */ #include <linux/kernel.h> #include <linux/interrupt.h> @@ -28,8 +27,9 @@ * * Returns 0 on success otherwise negative errno */ -int cdns3_set_mode(struct cdns3 *cdns, enum usb_dr_mode mode) +static int cdns3_set_mode(struct cdns3 *cdns, enum usb_dr_mode mode) { + u32 __iomem *override_reg; u32 reg;

switch (mode) { @@ -39,11 +39,24 @@ int cdns3_set_mode(struct cdns3 *cdns, enum usb_dr_mode mode) break; case USB_DR_MODE_OTG: dev_dbg(cdns->dev, "Set controller to OTG mode\n"); - if (cdns->version == CDNS3_CONTROLLER_V1) { - reg = readl(&cdns->otg_v1_regs->override); + + if (cdns->version == CDNSP_CONTROLLER_V2) + override_reg = &cdns->otg_cdnsp_regs->override; + else if (cdns->version == CDNS3_CONTROLLER_V1) + override_reg = &cdns->otg_v1_regs->override; + else + override_reg = &cdns->otg_v0_regs->ctrl1; + + reg = readl(override_reg); + + if (cdns->version != CDNS3_CONTROLLER_V0) reg |= OVERRIDE_IDPULLUP; - writel(reg, &cdns->otg_v1_regs->override); + else + reg |= OVERRIDE_IDPULLUP_V0;

+ writel(reg, override_reg); + + if (cdns->version == CDNS3_CONTROLLER_V1) { /* * Enable work around feature built into the * controller to address issue with RX Sensitivity @@ -55,10 +68,6 @@ int cdns3_set_mode(struct cdns3 *cdns, enum usb_dr_mode mode) reg |= PHYRST_CFG_PHYRST_A_ENABLE; writel(reg, &cdns->otg_v1_regs->phyrst_cfg); } - } else { - reg = readl(&cdns->otg_v0_regs->ctrl1); - reg |= OVERRIDE_IDPULLUP_V0; - writel(reg, &cdns->otg_v0_regs->ctrl1); }

/* @@ -123,7 +132,7 @@ bool cdns3_is_device(struct cdns3 *cdns) */ static void cdns3_otg_disable_irq(struct cdns3 *cdns) { - writel(0, &cdns->otg_regs->ien); + writel(0, &cdns->otg_irq_regs->ien); }

/** @@ -133,7 +142,7 @@ static void cdns3_otg_disable_irq(struct cdns3 *cdns) static void cdns3_otg_enable_irq(struct cdns3 *cdns) { writel(OTGIEN_ID_CHANGE_INT | OTGIEN_VBUSVALID_RISE_INT | - OTGIEN_VBUSVALID_FALL_INT, &cdns->otg_regs->ien); + OTGIEN_VBUSVALID_FALL_INT, &cdns->otg_irq_regs->ien); }

/** @@ -144,16 +153,21 @@ static void cdns3_otg_enable_irq(struct cdns3 *cdns) */ int cdns3_drd_host_on(struct cdns3 *cdns) { - u32 val; + u32 val, ready_bit; int ret;

/* Enable host mode. */ writel(OTGCMD_HOST_BUS_REQ | OTGCMD_OTG_DIS, &cdns->otg_regs->cmd);

+ if (cdns->version == CDNSP_CONTROLLER_V2) + ready_bit = OTGSTS_CDNSP_XHCI_READY; + else + ready_bit = OTGSTS_CDNS3_XHCI_READY; + dev_dbg(cdns->dev, "Waiting till Host mode is turned on\n"); ret = readl_poll_timeout_atomic(&cdns->otg_regs->sts, val, - val & OTGSTS_XHCI_READY, 1, 100000); + val & ready_bit, 1, 100000);

if (ret) dev_err(cdns->dev, "timeout waiting for xhci_ready\n"); @@ -189,17 +203,22 @@ void cdns3_drd_host_off(struct cdns3 *cdns) */ int cdns3_drd_gadget_on(struct cdns3 *cdns) { - int ret, val; u32 reg = OTGCMD_OTG_DIS; + u32 ready_bit; + int ret, val;

/* switch OTG core */ writel(OTGCMD_DEV_BUS_REQ | reg, &cdns->otg_regs->cmd);

dev_dbg(cdns->dev, "Waiting till Device mode is turned on\n");

+ if (cdns->version == CDNSP_CONTROLLER_V2) + ready_bit = OTGSTS_CDNSP_DEV_READY; + else + ready_bit = OTGSTS_CDNS3_DEV_READY; + ret = readl_poll_timeout_atomic(&cdns->otg_regs->sts, val, - val & OTGSTS_DEV_READY, - 1, 100000); + val & ready_bit, 1, 100000); if (ret) { dev_err(cdns->dev, "timeout waiting for dev_ready\n"); return ret; @@ -244,7 +263,7 @@ static int cdns3_init_otg_mode(struct cdns3 *cdns)

cdns3_otg_disable_irq(cdns); /* clear all interrupts */ - writel(~0, &cdns->otg_regs->ivect); + writel(~0, &cdns->otg_irq_regs->ivect);

ret = cdns3_set_mode(cdns, USB_DR_MODE_OTG); if (ret) @@ -313,7 +332,7 @@ static irqreturn_t cdns3_drd_irq(int irq, void *data) if (cdns->in_lpm) return ret;

- reg = readl(&cdns->otg_regs->ivect); + reg = readl(&cdns->otg_irq_regs->ivect);

if (!reg) return IRQ_NONE; @@ -332,7 +351,7 @@ static irqreturn_t cdns3_drd_irq(int irq, void *data) ret = IRQ_WAKE_THREAD; }

- writel(~0, &cdns->otg_regs->ivect); + writel(~0, &cdns->otg_irq_regs->ivect); return ret; }

@@ -347,28 +366,43 @@ int cdns3_drd_init(struct cdns3 *cdns) return PTR_ERR(regs);

/* Detection of DRD version. Controller has been released - * in two versions. Both are similar, but they have same changes - * in register maps. - * The first register in old version is command register and it's read - * only, so driver should read 0 from it. On the other hand, in v1 - * the first register contains device ID number which is not set to 0. - * Driver uses this fact to detect the proper version of + * in three versions. All are very similar and are software compatible, + * but they have same changes in register maps. + * The first register in oldest version is command register and it's + * read only. Driver should read 0 from it. On the other hand, in v1 + * and v2 the first register contains device ID number which is not + * set to 0. Driver uses this fact to detect the proper version of * controller. */ cdns->otg_v0_regs = regs; if (!readl(&cdns->otg_v0_regs->cmd)) { cdns->version = CDNS3_CONTROLLER_V0; cdns->otg_v1_regs = NULL; + cdns->otg_cdnsp_regs = NULL; cdns->otg_regs = regs; + cdns->otg_irq_regs = (struct cdns3_otg_irq_regs *) + &cdns->otg_v0_regs->ien; writel(1, &cdns->otg_v0_regs->simulate); dev_dbg(cdns->dev, "DRD version v0 (%08x)\n", readl(&cdns->otg_v0_regs->version)); } else { cdns->otg_v0_regs = NULL; cdns->otg_v1_regs = regs; + cdns->otg_cdnsp_regs = regs; + cdns->otg_regs = (void *)&cdns->otg_v1_regs->cmd; - cdns->version = CDNS3_CONTROLLER_V1; - writel(1, &cdns->otg_v1_regs->simulate); + + if (cdns->otg_cdnsp_regs->did == OTG_CDNSP_DID) { + cdns->otg_irq_regs = (struct cdns3_otg_irq_regs *) + &cdns->otg_cdnsp_regs->ien; + cdns->version = CDNSP_CONTROLLER_V2; + } else { + cdns->otg_irq_regs = (struct cdns3_otg_irq_regs *) + &cdns->otg_v1_regs->ien; + writel(1, &cdns->otg_v1_regs->simulate); + cdns->version = CDNS3_CONTROLLER_V1; + } + dev_dbg(cdns->dev, "DRD version v1 (ID: %08x, rev: %08x)\n", readl(&cdns->otg_v1_regs->did), readl(&cdns->otg_v1_regs->rid)); @@ -378,10 +412,17 @@ int cdns3_drd_init(struct cdns3 *cdns)

/* Update dr_mode according to STRAP configuration. */ cdns->dr_mode = USB_DR_MODE_OTG; - if (state == OTGSTS_STRAP_HOST) { + + if ((cdns->version == CDNSP_CONTROLLER_V2 && + state == OTGSTS_CDNSP_STRAP_HOST) || + (cdns->version != CDNSP_CONTROLLER_V2 && + state == OTGSTS_STRAP_HOST)) { dev_dbg(cdns->dev, "Controller strapped to HOST\n"); cdns->dr_mode = USB_DR_MODE_HOST; - } else if (state == OTGSTS_STRAP_GADGET) { + } else if ((cdns->version == CDNSP_CONTROLLER_V2 && + state == OTGSTS_CDNSP_STRAP_GADGET) || + (cdns->version != CDNSP_CONTROLLER_V2 && + state == OTGSTS_STRAP_GADGET)) { dev_dbg(cdns->dev, "Controller strapped to PERIPHERAL\n"); cdns->dr_mode = USB_DR_MODE_PERIPHERAL; } diff --git a/drivers/usb/cdns3/drd.h b/drivers/usb/cdns3/drd.h index f1ccae285a16..a767b6893938 100644 --- a/drivers/usb/cdns3/drd.h +++ b/drivers/usb/cdns3/drd.h @@ -1,8 +1,8 @@ /* SPDX-License-Identifier: GPL-2.0 */ /* - * Cadence USB3 DRD header file. + * Cadence USB3 and USBSSP DRD header file. * - * Copyright (C) 2018-2019 Cadence. + * Copyright (C) 2018-2020 Cadence. * * Author: Pawel Laszczak pawell@cadence.com */ @@ -13,7 +13,7 @@ #include <linux/phy/phy.h> #include "core.h"

-/* DRD register interface for version v1. */ +/* DRD register interface for version v1 of cdns3 driver. */ struct cdns3_otg_regs { __le32 did; __le32 rid; @@ -38,7 +38,7 @@ struct cdns3_otg_regs { __le32 ctrl2; };

-/* DRD register interface for version v0. */ +/* DRD register interface for version v0 of cdns3 driver. */ struct cdns3_otg_legacy_regs { __le32 cmd; __le32 sts; @@ -57,14 +57,45 @@ struct cdns3_otg_legacy_regs { __le32 ctrl1; };

+/* DRD register interface for cdnsp driver */ +struct cdnsp_otg_regs { + __le32 did; + __le32 rid; + __le32 cfgs1; + __le32 cfgs2; + __le32 cmd; + __le32 sts; + __le32 state; + __le32 ien; + __le32 ivect; + __le32 tmr; + __le32 simulate; + __le32 adpbc_sts; + __le32 adp_ramp_time; + __le32 adpbc_ctrl1; + __le32 adpbc_ctrl2; + __le32 override; + __le32 vbusvalid_dbnc_cfg; + __le32 sessvalid_dbnc_cfg; + __le32 susp_timing_ctrl; +}; + +#define OTG_CDNSP_DID 0x0004034E + /* - * Common registers interface for both version of DRD. + * Common registers interface for both CDNS3 and CDNSP version of DRD. */ struct cdns3_otg_common_regs { __le32 cmd; __le32 sts; __le32 state; - __le32 different1; +}; + +/* + * Interrupt related registers. This registers are mapped in different + * location for CDNSP controller. + */ +struct cdns3_otg_irq_regs { __le32 ien; __le32 ivect; }; @@ -92,9 +123,9 @@ struct cdns3_otg_common_regs { #define OTGCMD_DEV_BUS_DROP BIT(8) /* Drop the bus for Host mode*/ #define OTGCMD_HOST_BUS_DROP BIT(9) -/* Power Down USBSS-DEV. */ +/* Power Down USBSS-DEV - only for CDNS3.*/ #define OTGCMD_DEV_POWER_OFF BIT(11) -/* Power Down CDNSXHCI. */ +/* Power Down CDNSXHCI - only for CDNS3. */ #define OTGCMD_HOST_POWER_OFF BIT(12)

/* OTGIEN - bitmasks */ @@ -123,20 +154,31 @@ struct cdns3_otg_common_regs { #define OTGSTS_OTG_NRDY_MASK BIT(11) #define OTGSTS_OTG_NRDY(p) ((p) & OTGSTS_OTG_NRDY_MASK) /* - * Value of the strap pins. + * Value of the strap pins for: + * CDNS3: * 000 - no default configuration * 010 - Controller initiall configured as Host * 100 - Controller initially configured as Device + * CDNSP: + * 000 - No default configuration. + * 010 - Controller initiall configured as Host. + * 100 - Controller initially configured as Device. */ #define OTGSTS_STRAP(p) (((p) & GENMASK(14, 12)) >> 12) #define OTGSTS_STRAP_NO_DEFAULT_CFG 0x00 #define OTGSTS_STRAP_HOST_OTG 0x01 #define OTGSTS_STRAP_HOST 0x02 #define OTGSTS_STRAP_GADGET 0x04 +#define OTGSTS_CDNSP_STRAP_HOST 0x01 +#define OTGSTS_CDNSP_STRAP_GADGET 0x02 + /* Host mode is turned on. */ -#define OTGSTS_XHCI_READY BIT(26) +#define OTGSTS_CDNS3_XHCI_READY BIT(26) +#define OTGSTS_CDNSP_XHCI_READY BIT(27) + /* "Device mode is turned on .*/ -#define OTGSTS_DEV_READY BIT(27) +#define OTGSTS_CDNS3_DEV_READY BIT(27) +#define OTGSTS_CDNSP_DEV_READY BIT(26)

/* OTGSTATE- bitmasks */ #define OTGSTATE_DEV_STATE_MASK GENMASK(2, 0) @@ -152,6 +194,8 @@ struct cdns3_otg_common_regs { #define OVERRIDE_IDPULLUP BIT(0) /* Only for CDNS3_CONTROLLER_V0 version */ #define OVERRIDE_IDPULLUP_V0 BIT(24) +/* Vbusvalid/Sesvalid override select. */ +#define OVERRIDE_SESS_VLD_SEL BIT(10)

/* PHYRST_CFG - bitmasks */ #define PHYRST_CFG_PHYRST_A_ENABLE BIT(0) @@ -170,6 +214,5 @@ int cdns3_drd_gadget_on(struct cdns3 *cdns); void cdns3_drd_gadget_off(struct cdns3 *cdns); int cdns3_drd_host_on(struct cdns3 *cdns); void cdns3_drd_host_off(struct cdns3 *cdns); -int cdns3_set_mode(struct cdns3 *cdns, enum usb_dr_mode mode);

#endif /* __LINUX_CDNS3_DRD */ diff --git a/drivers/usb/dwc3/dwc3-exynos.c b/drivers/usb/dwc3/dwc3-exynos.c index 90bb022737da..ee7b71827216 100644 --- a/drivers/usb/dwc3/dwc3-exynos.c +++ b/drivers/usb/dwc3/dwc3-exynos.c @@ -37,15 +37,6 @@ struct dwc3_exynos { struct regulator *vdd10; };

-static int dwc3_exynos_remove_child(struct device *dev, void *unused) -{ - struct platform_device *pdev = to_platform_device(dev); - - platform_device_unregister(pdev); - - return 0; -} - static int dwc3_exynos_probe(struct platform_device *pdev) { struct dwc3_exynos *exynos; @@ -142,7 +133,7 @@ static int dwc3_exynos_remove(struct platform_device *pdev) struct dwc3_exynos *exynos = platform_get_drvdata(pdev); int i;

- device_for_each_child(&pdev->dev, NULL, dwc3_exynos_remove_child); + of_platform_depopulate(&pdev->dev);

for (i = exynos->num_clks - 1; i >= 0; i--) clk_disable_unprepare(exynos->clks[i]); diff --git a/drivers/usb/dwc3/gadget.c b/drivers/usb/dwc3/gadget.c index 347ba7e4bd81..a9a43d649478 100644 --- a/drivers/usb/dwc3/gadget.c +++ b/drivers/usb/dwc3/gadget.c @@ -752,7 +752,7 @@ static int __dwc3_gadget_ep_enable(struct dwc3_ep *dep, unsigned int action) return 0; }

-static void dwc3_remove_requests(struct dwc3 *dwc, struct dwc3_ep *dep) +static void dwc3_remove_requests(struct dwc3 *dwc, struct dwc3_ep *dep, int status) { struct dwc3_request *req;

@@ -762,19 +762,19 @@ static void dwc3_remove_requests(struct dwc3 *dwc, struct dwc3_ep *dep) while (!list_empty(&dep->started_list)) { req = next_request(&dep->started_list);

- dwc3_gadget_giveback(dep, req, -ESHUTDOWN); + dwc3_gadget_giveback(dep, req, status); }

while (!list_empty(&dep->pending_list)) { req = next_request(&dep->pending_list);

- dwc3_gadget_giveback(dep, req, -ESHUTDOWN); + dwc3_gadget_giveback(dep, req, status); }

while (!list_empty(&dep->cancelled_list)) { req = next_request(&dep->cancelled_list);

- dwc3_gadget_giveback(dep, req, -ESHUTDOWN); + dwc3_gadget_giveback(dep, req, status); } }

@@ -803,18 +803,18 @@ static int __dwc3_gadget_ep_disable(struct dwc3_ep *dep) reg &= ~DWC3_DALEPENA_EP(dep->number); dwc3_writel(dwc->regs, DWC3_DALEPENA, reg);

+ dwc3_remove_requests(dwc, dep, -ESHUTDOWN); + + dep->stream_capable = false; + dep->type = 0; + dep->flags = 0; + /* Clear out the ep descriptors for non-ep0 */ if (dep->number > 1) { dep->endpoint.comp_desc = NULL; dep->endpoint.desc = NULL; }

- dwc3_remove_requests(dwc, dep); - - dep->stream_capable = false; - dep->type = 0; - dep->flags = 0; - return 0; }

@@ -2067,7 +2067,7 @@ static void dwc3_stop_active_transfers(struct dwc3 *dwc) if (!dep) continue;

- dwc3_remove_requests(dwc, dep); + dwc3_remove_requests(dwc, dep, -ESHUTDOWN); } }

diff --git a/drivers/xen/platform-pci.c b/drivers/xen/platform-pci.c index 9db557b76511..804d8f4d0e73 100644 --- a/drivers/xen/platform-pci.c +++ b/drivers/xen/platform-pci.c @@ -137,7 +137,7 @@ static int platform_pci_probe(struct pci_dev *pdev, if (ret) { dev_warn(&pdev->dev, "Unable to set the evtchn callback " "err=%d\n", ret); - goto out; + goto irq_out; } }

@@ -145,13 +145,16 @@ static int platform_pci_probe(struct pci_dev *pdev, grant_frames = alloc_xen_mmio(PAGE_SIZE * max_nr_gframes); ret = gnttab_setup_auto_xlat_frames(grant_frames); if (ret) - goto out; + goto irq_out; ret = gnttab_init(); if (ret) goto grant_out; return 0; grant_out: gnttab_free_auto_xlat_frames(); +irq_out: + if (!xen_have_vector_callback) + free_irq(pdev->irq, pdev); out: pci_release_region(pdev, 0); mem_out: diff --git a/drivers/xen/xen-pciback/conf_space_capability.c b/drivers/xen/xen-pciback/conf_space_capability.c index 5e53b4817f16..097316a74126 100644 --- a/drivers/xen/xen-pciback/conf_space_capability.c +++ b/drivers/xen/xen-pciback/conf_space_capability.c @@ -190,13 +190,16 @@ static const struct config_field caplist_pm[] = { };

static struct msi_msix_field_config { - u16 enable_bit; /* bit for enabling MSI/MSI-X */ - unsigned int int_type; /* interrupt type for exclusiveness check */ + u16 enable_bit; /* bit for enabling MSI/MSI-X */ + u16 allowed_bits; /* bits allowed to be changed */ + unsigned int int_type; /* interrupt type for exclusiveness check */ } msi_field_config = { .enable_bit = PCI_MSI_FLAGS_ENABLE, + .allowed_bits = PCI_MSI_FLAGS_ENABLE, .int_type = INTERRUPT_TYPE_MSI, }, msix_field_config = { .enable_bit = PCI_MSIX_FLAGS_ENABLE, + .allowed_bits = PCI_MSIX_FLAGS_ENABLE | PCI_MSIX_FLAGS_MASKALL, .int_type = INTERRUPT_TYPE_MSIX, };

@@ -229,7 +232,7 @@ static int msi_msix_flags_write(struct pci_dev *dev, int offset, u16 new_value, return 0;

if (!dev_data->allow_interrupt_control || - (new_value ^ old_value) & ~field_config->enable_bit) + (new_value ^ old_value) & ~field_config->allowed_bits) return PCIBIOS_SET_FAILED;

if (new_value & field_config->enable_bit) { diff --git a/fs/btrfs/ioctl.c b/fs/btrfs/ioctl.c index b5e9bfe884c4..d0c31651ec80 100644 --- a/fs/btrfs/ioctl.c +++ b/fs/btrfs/ioctl.c @@ -2811,6 +2811,8 @@ static int btrfs_ioctl_get_subvol_info(struct file *file, void __user *argp) } }

+ btrfs_free_path(path); + path = NULL; if (copy_to_user(argp, subvol_info, sizeof(*subvol_info))) ret = -EFAULT;

@@ -2903,6 +2905,8 @@ static int btrfs_ioctl_get_subvol_rootref(struct file *file, void __user *argp) }

out: + btrfs_free_path(path); + if (!ret || ret == -EOVERFLOW) { rootrefs->num_items = found; /* update min_treeid for next search */ @@ -2914,7 +2918,6 @@ static int btrfs_ioctl_get_subvol_rootref(struct file *file, void __user *argp) }

kfree(rootrefs); - btrfs_free_path(path);

return ret; } @@ -3878,6 +3881,8 @@ static long btrfs_ioctl_ino_to_path(struct btrfs_root *root, void __user *arg) ipath->fspath->val[i] = rel_ptr; }

+ btrfs_free_path(path); + path = NULL; ret = copy_to_user((void __user *)(unsigned long)ipa->fspath, ipath->fspath, size); if (ret) { diff --git a/fs/btrfs/sysfs.c b/fs/btrfs/sysfs.c index 3bb6b688ece5..ecf190286377 100644 --- a/fs/btrfs/sysfs.c +++ b/fs/btrfs/sysfs.c @@ -1767,8 +1767,11 @@ int __init btrfs_init_sysfs(void)

#ifdef CONFIG_BTRFS_DEBUG ret = sysfs_create_group(&btrfs_kset->kobj, &btrfs_debug_feature_attr_group); - if (ret) - goto out2; + if (ret) { + sysfs_unmerge_group(&btrfs_kset->kobj, + &btrfs_static_feature_attr_group); + goto out_remove_group; + } #endif

return 0; diff --git a/fs/ceph/caps.c b/fs/ceph/caps.c index 76e43a487bc6..51562d36fa83 100644 --- a/fs/ceph/caps.c +++ b/fs/ceph/caps.c @@ -2294,6 +2294,7 @@ static int caps_are_flushed(struct inode *inode, u64 flush_tid) */ static int unsafe_request_wait(struct inode *inode) { + struct ceph_mds_client *mdsc = ceph_sb_to_client(inode->i_sb)->mdsc; struct ceph_inode_info *ci = ceph_inode(inode); struct ceph_mds_request *req1 = NULL, *req2 = NULL; int ret, err = 0; @@ -2313,6 +2314,76 @@ static int unsafe_request_wait(struct inode *inode) } spin_unlock(&ci->i_unsafe_lock);

+ /* + * Trigger to flush the journal logs in all the relevant MDSes + * manually, or in the worst case we must wait at most 5 seconds + * to wait the journal logs to be flushed by the MDSes periodically. + */ + if (req1 || req2) { + struct ceph_mds_request *req; + struct ceph_mds_session **sessions; + struct ceph_mds_session *s; + unsigned int max_sessions; + int i; + + mutex_lock(&mdsc->mutex); + max_sessions = mdsc->max_sessions; + + sessions = kcalloc(max_sessions, sizeof(s), GFP_KERNEL); + if (!sessions) { + mutex_unlock(&mdsc->mutex); + err = -ENOMEM; + goto out; + } + + spin_lock(&ci->i_unsafe_lock); + if (req1) { + list_for_each_entry(req, &ci->i_unsafe_dirops, + r_unsafe_dir_item) { + s = req->r_session; + if (!s) + continue; + if (!sessions[s->s_mds]) { + s = ceph_get_mds_session(s); + sessions[s->s_mds] = s; + } + } + } + if (req2) { + list_for_each_entry(req, &ci->i_unsafe_iops, + r_unsafe_target_item) { + s = req->r_session; + if (!s) + continue; + if (!sessions[s->s_mds]) { + s = ceph_get_mds_session(s); + sessions[s->s_mds] = s; + } + } + } + spin_unlock(&ci->i_unsafe_lock); + + /* the auth MDS */ + spin_lock(&ci->i_ceph_lock); + if (ci->i_auth_cap) { + s = ci->i_auth_cap->session; + if (!sessions[s->s_mds]) + sessions[s->s_mds] = ceph_get_mds_session(s); + } + spin_unlock(&ci->i_ceph_lock); + mutex_unlock(&mdsc->mutex); + + /* send flush mdlog request to MDSes */ + for (i = 0; i < max_sessions; i++) { + s = sessions[i]; + if (s) { + send_flush_mdlog(s); + ceph_put_mds_session(s); + } + } + kfree(sessions); + } + dout("unsafe_request_wait %p wait on tid %llu %llu\n", inode, req1 ? req1->r_tid : 0ULL, req2 ? req2->r_tid : 0ULL); if (req1) { @@ -2320,15 +2391,19 @@ static int unsafe_request_wait(struct inode *inode) ceph_timeout_jiffies(req1->r_timeout)); if (ret) err = -EIO; - ceph_mdsc_put_request(req1); } if (req2) { ret = !wait_for_completion_timeout(&req2->r_safe_completion, ceph_timeout_jiffies(req2->r_timeout)); if (ret) err = -EIO; - ceph_mdsc_put_request(req2); } + +out: + if (req1) + ceph_mdsc_put_request(req1); + if (req2) + ceph_mdsc_put_request(req2); return err; }

@@ -4310,33 +4385,9 @@ static void flush_dirty_session_caps(struct ceph_mds_session *s) dout("flush_dirty_caps done\n"); }

-static void iterate_sessions(struct ceph_mds_client *mdsc, - void (*cb)(struct ceph_mds_session *)) -{ - int mds; - - mutex_lock(&mdsc->mutex); - for (mds = 0; mds < mdsc->max_sessions; ++mds) { - struct ceph_mds_session *s; - - if (!mdsc->sessions[mds]) - continue; - - s = ceph_get_mds_session(mdsc->sessions[mds]); - if (!s) - continue; - - mutex_unlock(&mdsc->mutex); - cb(s); - ceph_put_mds_session(s); - mutex_lock(&mdsc->mutex); - } - mutex_unlock(&mdsc->mutex); -} - void ceph_flush_dirty_caps(struct ceph_mds_client *mdsc) { - iterate_sessions(mdsc, flush_dirty_session_caps); + ceph_mdsc_iterate_sessions(mdsc, flush_dirty_session_caps, true); }

void __ceph_touch_fmode(struct ceph_inode_info *ci, diff --git a/fs/ceph/mds_client.c b/fs/ceph/mds_client.c index 6859967df2b1..fa51872ff850 100644 --- a/fs/ceph/mds_client.c +++ b/fs/ceph/mds_client.c @@ -809,6 +809,33 @@ static void put_request_session(struct ceph_mds_request *req) } }

+void ceph_mdsc_iterate_sessions(struct ceph_mds_client *mdsc, + void (*cb)(struct ceph_mds_session *), + bool check_state) +{ + int mds; + + mutex_lock(&mdsc->mutex); + for (mds = 0; mds < mdsc->max_sessions; ++mds) { + struct ceph_mds_session *s; + + s = __ceph_lookup_mds_session(mdsc, mds); + if (!s) + continue; + + if (check_state && !check_session_state(s)) { + ceph_put_mds_session(s); + continue; + } + + mutex_unlock(&mdsc->mutex); + cb(s); + ceph_put_mds_session(s); + mutex_lock(&mdsc->mutex); + } + mutex_unlock(&mdsc->mutex); +} + void ceph_mdsc_release_request(struct kref *kref) { struct ceph_mds_request *req = container_of(kref, @@ -1157,7 +1184,7 @@ static int __choose_mds(struct ceph_mds_client *mdsc, /* * session messages */ -static struct ceph_msg *create_session_msg(u32 op, u64 seq) +struct ceph_msg *ceph_create_session_msg(u32 op, u64 seq) { struct ceph_msg *msg; struct ceph_mds_session_head *h; @@ -1165,7 +1192,8 @@ static struct ceph_msg *create_session_msg(u32 op, u64 seq) msg = ceph_msg_new(CEPH_MSG_CLIENT_SESSION, sizeof(*h), GFP_NOFS, false); if (!msg) { - pr_err("create_session_msg ENOMEM creating msg\n"); + pr_err("ENOMEM creating session %s msg\n", + ceph_session_op_name(op)); return NULL; } h = msg->front.iov_base; @@ -1299,7 +1327,7 @@ static struct ceph_msg *create_session_open_msg(struct ceph_mds_client *mdsc, u6 msg = ceph_msg_new(CEPH_MSG_CLIENT_SESSION, sizeof(*h) + extra_bytes, GFP_NOFS, false); if (!msg) { - pr_err("create_session_msg ENOMEM creating msg\n"); + pr_err("ENOMEM creating session open msg\n"); return ERR_PTR(-ENOMEM); } p = msg->front.iov_base; @@ -1833,8 +1861,8 @@ static int send_renew_caps(struct ceph_mds_client *mdsc,

dout("send_renew_caps to mds%d (%s)\n", session->s_mds, ceph_mds_state_name(state)); - msg = create_session_msg(CEPH_SESSION_REQUEST_RENEWCAPS, - ++session->s_renew_seq); + msg = ceph_create_session_msg(CEPH_SESSION_REQUEST_RENEWCAPS, + ++session->s_renew_seq); if (!msg) return -ENOMEM; ceph_con_send(&session->s_con, msg); @@ -1848,7 +1876,7 @@ static int send_flushmsg_ack(struct ceph_mds_client *mdsc,

dout("send_flushmsg_ack to mds%d (%s)s seq %lld\n", session->s_mds, ceph_session_state_name(session->s_state), seq); - msg = create_session_msg(CEPH_SESSION_FLUSHMSG_ACK, seq); + msg = ceph_create_session_msg(CEPH_SESSION_FLUSHMSG_ACK, seq); if (!msg) return -ENOMEM; ceph_con_send(&session->s_con, msg); @@ -1900,7 +1928,8 @@ static int request_close_session(struct ceph_mds_session *session) dout("request_close_session mds%d state %s seq %lld\n", session->s_mds, ceph_session_state_name(session->s_state), session->s_seq); - msg = create_session_msg(CEPH_SESSION_REQUEST_CLOSE, session->s_seq); + msg = ceph_create_session_msg(CEPH_SESSION_REQUEST_CLOSE, + session->s_seq); if (!msg) return -ENOMEM; ceph_con_send(&session->s_con, msg); @@ -4375,24 +4404,12 @@ void ceph_mdsc_lease_send_msg(struct ceph_mds_session *session, }

/* - * lock unlock sessions, to wait ongoing session activities + * lock unlock the session, to wait ongoing session activities */ -static void lock_unlock_sessions(struct ceph_mds_client *mdsc) +static void lock_unlock_session(struct ceph_mds_session *s) { - int i; - - mutex_lock(&mdsc->mutex); - for (i = 0; i < mdsc->max_sessions; i++) { - struct ceph_mds_session *s = __ceph_lookup_mds_session(mdsc, i); - if (!s) - continue; - mutex_unlock(&mdsc->mutex); - mutex_lock(&s->s_mutex); - mutex_unlock(&s->s_mutex); - ceph_put_mds_session(s); - mutex_lock(&mdsc->mutex); - } - mutex_unlock(&mdsc->mutex); + mutex_lock(&s->s_mutex); + mutex_unlock(&s->s_mutex); }

static void maybe_recover_session(struct ceph_mds_client *mdsc) @@ -4647,6 +4664,30 @@ static void wait_requests(struct ceph_mds_client *mdsc) dout("wait_requests done\n"); }

+void send_flush_mdlog(struct ceph_mds_session *s) +{ + struct ceph_msg *msg; + + /* + * Pre-luminous MDS crashes when it sees an unknown session request + */ + if (!CEPH_HAVE_FEATURE(s->s_con.peer_features, SERVER_LUMINOUS)) + return; + + mutex_lock(&s->s_mutex); + dout("request mdlog flush to mds%d (%s)s seq %lld\n", s->s_mds, + ceph_session_state_name(s->s_state), s->s_seq); + msg = ceph_create_session_msg(CEPH_SESSION_REQUEST_FLUSH_MDLOG, + s->s_seq); + if (!msg) { + pr_err("failed to request mdlog flush to mds%d (%s) seq %lld\n", + s->s_mds, ceph_session_state_name(s->s_state), s->s_seq); + } else { + ceph_con_send(&s->s_con, msg); + } + mutex_unlock(&s->s_mutex); +} + /* * called before mount is ro, and before dentries are torn down. * (hmm, does this still race with new lookups?) @@ -4656,7 +4697,8 @@ void ceph_mdsc_pre_umount(struct ceph_mds_client *mdsc) dout("pre_umount\n"); mdsc->stopping = 1;

- lock_unlock_sessions(mdsc); + ceph_mdsc_iterate_sessions(mdsc, send_flush_mdlog, true); + ceph_mdsc_iterate_sessions(mdsc, lock_unlock_session, false); ceph_flush_dirty_caps(mdsc); wait_requests(mdsc);

diff --git a/fs/ceph/mds_client.h b/fs/ceph/mds_client.h index acf33d7192bb..a92e42e8a9f8 100644 --- a/fs/ceph/mds_client.h +++ b/fs/ceph/mds_client.h @@ -518,6 +518,11 @@ static inline void ceph_mdsc_put_request(struct ceph_mds_request *req) kref_put(&req->r_kref, ceph_mdsc_release_request); }

+extern void send_flush_mdlog(struct ceph_mds_session *s); +extern void ceph_mdsc_iterate_sessions(struct ceph_mds_client *mdsc, + void (*cb)(struct ceph_mds_session *), + bool check_state); +extern struct ceph_msg *ceph_create_session_msg(u32 op, u64 seq); extern void __ceph_queue_cap_release(struct ceph_mds_session *session, struct ceph_cap *cap); extern void ceph_flush_cap_releases(struct ceph_mds_client *mdsc, diff --git a/fs/ceph/snap.c b/fs/ceph/snap.c index 0369f672a76f..734873be56a7 100644 --- a/fs/ceph/snap.c +++ b/fs/ceph/snap.c @@ -697,9 +697,10 @@ int ceph_update_snap_trace(struct ceph_mds_client *mdsc, struct ceph_mds_snap_realm *ri; /* encoded */ __le64 *snaps; /* encoded */ __le64 *prior_parent_snaps; /* encoded */ - struct ceph_snap_realm *realm = NULL; + struct ceph_snap_realm *realm; struct ceph_snap_realm *first_realm = NULL; - int invalidate = 0; + struct ceph_snap_realm *realm_to_rebuild = NULL; + int rebuild_snapcs; int err = -ENOMEM; LIST_HEAD(dirty_realms);

@@ -707,6 +708,8 @@ int ceph_update_snap_trace(struct ceph_mds_client *mdsc,

dout("update_snap_trace deletion=%d\n", deletion); more: + realm = NULL; + rebuild_snapcs = 0; ceph_decode_need(&p, e, sizeof(*ri), bad); ri = p; p += sizeof(*ri); @@ -730,7 +733,7 @@ int ceph_update_snap_trace(struct ceph_mds_client *mdsc, err = adjust_snap_realm_parent(mdsc, realm, le64_to_cpu(ri->parent)); if (err < 0) goto fail; - invalidate += err; + rebuild_snapcs += err;

if (le64_to_cpu(ri->seq) > realm->seq) { dout("update_snap_trace updating %llx %p %lld -> %lld\n", @@ -755,22 +758,30 @@ int ceph_update_snap_trace(struct ceph_mds_client *mdsc, if (realm->seq > mdsc->last_snap_seq) mdsc->last_snap_seq = realm->seq;

- invalidate = 1; + rebuild_snapcs = 1; } else if (!realm->cached_context) { dout("update_snap_trace %llx %p seq %lld new\n", realm->ino, realm, realm->seq); - invalidate = 1; + rebuild_snapcs = 1; } else { dout("update_snap_trace %llx %p seq %lld unchanged\n", realm->ino, realm, realm->seq); }

- dout("done with %llx %p, invalidated=%d, %p %p\n", realm->ino, - realm, invalidate, p, e); + dout("done with %llx %p, rebuild_snapcs=%d, %p %p\n", realm->ino, + realm, rebuild_snapcs, p, e); + + /* + * this will always track the uppest parent realm from which + * we need to rebuild the snapshot contexts _downward_ in + * hierarchy. + */ + if (rebuild_snapcs) + realm_to_rebuild = realm;

- /* invalidate when we reach the _end_ (root) of the trace */ - if (invalidate && p >= e) - rebuild_snap_realms(realm, &dirty_realms); + /* rebuild_snapcs when we reach the _end_ (root) of the trace */ + if (realm_to_rebuild && p >= e) + rebuild_snap_realms(realm_to_rebuild, &dirty_realms);

if (!first_realm) first_realm = realm; diff --git a/fs/ceph/strings.c b/fs/ceph/strings.c index 4a79f3632260..573bb9556fb5 100644 --- a/fs/ceph/strings.c +++ b/fs/ceph/strings.c @@ -46,6 +46,7 @@ const char *ceph_session_op_name(int op) case CEPH_SESSION_FLUSHMSG_ACK: return "flushmsg_ack"; case CEPH_SESSION_FORCE_RO: return "force_ro"; case CEPH_SESSION_REJECT: return "reject"; + case CEPH_SESSION_REQUEST_FLUSH_MDLOG: return "flush_mdlog"; } return "???"; } diff --git a/fs/ext4/extents.c b/fs/ext4/extents.c index 30add5a3df3d..54750b7c162d 100644 --- a/fs/ext4/extents.c +++ b/fs/ext4/extents.c @@ -5182,6 +5182,7 @@ ext4_ext_shift_extents(struct inode *inode, handle_t *handle, * and it is decreased till we reach start. */ again: + ret = 0; if (SHIFT == SHIFT_LEFT) iterator = &start; else @@ -5225,14 +5226,21 @@ ext4_ext_shift_extents(struct inode *inode, handle_t *handle, ext4_ext_get_actual_len(extent); } else { extent = EXT_FIRST_EXTENT(path[depth].p_hdr); - if (le32_to_cpu(extent->ee_block) > 0) + if (le32_to_cpu(extent->ee_block) > start) *iterator = le32_to_cpu(extent->ee_block) - 1; - else - /* Beginning is reached, end of the loop */ + else if (le32_to_cpu(extent->ee_block) == start) iterator = NULL; - /* Update path extent in case we need to stop */ - while (le32_to_cpu(extent->ee_block) < start) + else { + extent = EXT_LAST_EXTENT(path[depth].p_hdr); + while (le32_to_cpu(extent->ee_block) >= start) + extent--; + + if (extent == EXT_LAST_EXTENT(path[depth].p_hdr)) + break; + extent++; + iterator = NULL; + } path[depth].p_ext = extent; } ret = ext4_ext_shift_path_extents(path, shift, inode, diff --git a/fs/fuse/file.c b/fs/fuse/file.c index 253308fcb047..504389568dac 100644 --- a/fs/fuse/file.c +++ b/fs/fuse/file.c @@ -3275,10 +3275,9 @@ static long fuse_file_fallocate(struct file *file, int mode, loff_t offset, .mode = mode }; int err; - bool lock_inode = !(mode & FALLOC_FL_KEEP_SIZE) || - (mode & FALLOC_FL_PUNCH_HOLE); - - bool block_faults = FUSE_IS_DAX(inode) && lock_inode; + bool block_faults = FUSE_IS_DAX(inode) && + (!(mode & FALLOC_FL_KEEP_SIZE) || + (mode & FALLOC_FL_PUNCH_HOLE));

if (mode & ~(FALLOC_FL_KEEP_SIZE | FALLOC_FL_PUNCH_HOLE)) return -EOPNOTSUPP; @@ -3286,22 +3285,20 @@ static long fuse_file_fallocate(struct file *file, int mode, loff_t offset, if (fm->fc->no_fallocate) return -EOPNOTSUPP;

- if (lock_inode) { - inode_lock(inode); - if (block_faults) { - down_write(&fi->i_mmap_sem); - err = fuse_dax_break_layouts(inode, 0, 0); - if (err) - goto out; - } + inode_lock(inode); + if (block_faults) { + down_write(&fi->i_mmap_sem); + err = fuse_dax_break_layouts(inode, 0, 0); + if (err) + goto out; + }

- if (mode & FALLOC_FL_PUNCH_HOLE) { - loff_t endbyte = offset + length - 1; + if (mode & FALLOC_FL_PUNCH_HOLE) { + loff_t endbyte = offset + length - 1;

- err = fuse_writeback_range(inode, offset, endbyte); - if (err) - goto out; - } + err = fuse_writeback_range(inode, offset, endbyte); + if (err) + goto out; }

if (!(mode & FALLOC_FL_KEEP_SIZE) && @@ -3351,8 +3348,7 @@ static long fuse_file_fallocate(struct file *file, int mode, loff_t offset, if (block_faults) up_write(&fi->i_mmap_sem);

- if (lock_inode) - inode_unlock(inode); + inode_unlock(inode);

fuse_flush_time_update(inode);

diff --git a/fs/nilfs2/sufile.c b/fs/nilfs2/sufile.c index 63722475e17e..51f4cb060231 100644 --- a/fs/nilfs2/sufile.c +++ b/fs/nilfs2/sufile.c @@ -495,14 +495,22 @@ void nilfs_sufile_do_free(struct inode *sufile, __u64 segnum, int nilfs_sufile_mark_dirty(struct inode *sufile, __u64 segnum) { struct buffer_head *bh; + void *kaddr; + struct nilfs_segment_usage *su; int ret;

+ down_write(&NILFS_MDT(sufile)->mi_sem); ret = nilfs_sufile_get_segment_usage_block(sufile, segnum, 0, &bh); if (!ret) { mark_buffer_dirty(bh); nilfs_mdt_mark_dirty(sufile); + kaddr = kmap_atomic(bh->b_page); + su = nilfs_sufile_block_get_segment_usage(sufile, segnum, bh, kaddr); + nilfs_segment_usage_set_dirty(su); + kunmap_atomic(kaddr); brelse(bh); } + up_write(&NILFS_MDT(sufile)->mi_sem); return ret; }

diff --git a/fs/zonefs/super.c b/fs/zonefs/super.c index bf5cb6efb8c0..475d23a4f8da 100644 --- a/fs/zonefs/super.c +++ b/fs/zonefs/super.c @@ -440,14 +440,22 @@ static void __zonefs_io_error(struct inode *inode, bool write) struct super_block *sb = inode->i_sb; struct zonefs_sb_info *sbi = ZONEFS_SB(sb); unsigned int noio_flag; - unsigned int nr_zones = - zi->i_zone_size >> (sbi->s_zone_sectors_shift + SECTOR_SHIFT); + unsigned int nr_zones = 1; struct zonefs_ioerr_data err = { .inode = inode, .write = write, }; int ret;

+ /* + * The only files that have more than one zone are conventional zone + * files with aggregated conventional zones, for which the inode zone + * size is always larger than the device zone size. + */ + if (zi->i_zone_size > bdev_zone_sectors(sb->s_bdev)) + nr_zones = zi->i_zone_size >> + (sbi->s_zone_sectors_shift + SECTOR_SHIFT); + /* * Memory allocations in blkdev_report_zones() can trigger a memory * reclaim which may in turn cause a recursion into zonefs as well as @@ -1364,6 +1372,14 @@ static int zonefs_init_file_inode(struct inode *inode, struct blk_zone *zone, zi->i_ztype = type; zi->i_zsector = zone->start; zi->i_zone_size = zone->len << SECTOR_SHIFT; + if (zi->i_zone_size > bdev_zone_sectors(sb->s_bdev) << SECTOR_SHIFT && + !(sbi->s_features & ZONEFS_F_AGGRCNV)) { + zonefs_err(sb, + "zone size %llu doesn't match device's zone sectors %llu\n", + zi->i_zone_size, + bdev_zone_sectors(sb->s_bdev) << SECTOR_SHIFT); + return -EINVAL; + }

zi->i_max_size = min_t(loff_t, MAX_LFS_FILESIZE, zone->capacity << SECTOR_SHIFT); @@ -1406,11 +1422,11 @@ static struct dentry *zonefs_create_inode(struct dentry *parent, struct inode *dir = d_inode(parent); struct dentry *dentry; struct inode *inode; - int ret; + int ret = -ENOMEM;

dentry = d_alloc_name(parent, name); if (!dentry) - return NULL; + return ERR_PTR(ret);

inode = new_inode(parent->d_sb); if (!inode) @@ -1435,7 +1451,7 @@ static struct dentry *zonefs_create_inode(struct dentry *parent, dput: dput(dentry);

- return NULL; + return ERR_PTR(ret); }

struct zonefs_zone_data { @@ -1455,7 +1471,7 @@ static int zonefs_create_zgroup(struct zonefs_zone_data *zd, struct blk_zone *zone, *next, *end; const char *zgroup_name; char *file_name; - struct dentry *dir; + struct dentry *dir, *dent; unsigned int n = 0; int ret;

@@ -1473,8 +1489,8 @@ static int zonefs_create_zgroup(struct zonefs_zone_data *zd, zgroup_name = "seq";

dir = zonefs_create_inode(sb->s_root, zgroup_name, NULL, type); - if (!dir) { - ret = -ENOMEM; + if (IS_ERR(dir)) { + ret = PTR_ERR(dir); goto free; }

@@ -1520,8 +1536,9 @@ static int zonefs_create_zgroup(struct zonefs_zone_data *zd, * Use the file number within its group as file name. */ snprintf(file_name, ZONEFS_NAME_MAX - 1, "%u", n); - if (!zonefs_create_inode(dir, file_name, zone, type)) { - ret = -ENOMEM; + dent = zonefs_create_inode(dir, file_name, zone, type); + if (IS_ERR(dent)) { + ret = PTR_ERR(dent); goto free; }

diff --git a/include/linux/ceph/ceph_fs.h b/include/linux/ceph/ceph_fs.h index 455e9b9e2adf..8287382d3d1d 100644 --- a/include/linux/ceph/ceph_fs.h +++ b/include/linux/ceph/ceph_fs.h @@ -288,6 +288,7 @@ enum { CEPH_SESSION_FLUSHMSG_ACK, CEPH_SESSION_FORCE_RO, CEPH_SESSION_REJECT, + CEPH_SESSION_REQUEST_FLUSH_MDLOG, };

extern const char *ceph_session_op_name(int op); diff --git a/include/linux/netfilter/ipset/ip_set.h b/include/linux/netfilter/ipset/ip_set.h index ab192720e2d6..53c9a17ecb3e 100644 --- a/include/linux/netfilter/ipset/ip_set.h +++ b/include/linux/netfilter/ipset/ip_set.h @@ -198,6 +198,9 @@ struct ip_set_region { u32 elements; /* Number of elements vs timeout */ };

+/* Max range where every element is added/deleted in one step */ +#define IPSET_MAX_RANGE (1<<20) + /* The core set type structure */ struct ip_set_type { struct list_head list; diff --git a/include/net/switchdev.h b/include/net/switchdev.h index 8528015590e4..afdf8bd1b4fe 100644 --- a/include/net/switchdev.h +++ b/include/net/switchdev.h @@ -38,6 +38,7 @@ enum switchdev_attr_id { SWITCHDEV_ATTR_ID_PORT_MROUTER, SWITCHDEV_ATTR_ID_BRIDGE_AGEING_TIME, SWITCHDEV_ATTR_ID_BRIDGE_VLAN_FILTERING, + SWITCHDEV_ATTR_ID_BRIDGE_VLAN_PROTOCOL, SWITCHDEV_ATTR_ID_BRIDGE_MC_DISABLED, SWITCHDEV_ATTR_ID_BRIDGE_MROUTER, #if IS_ENABLED(CONFIG_BRIDGE_MRP) @@ -57,6 +58,7 @@ struct switchdev_attr { bool mrouter; /* PORT_MROUTER */ clock_t ageing_time; /* BRIDGE_AGEING_TIME */ bool vlan_filtering; /* BRIDGE_VLAN_FILTERING */ + u16 vlan_protocol; /* BRIDGE_VLAN_PROTOCOL */ bool mc_disabled; /* MC_DISABLED */ #if IS_ENABLED(CONFIG_BRIDGE_MRP) u8 mrp_port_role; /* MRP_PORT_ROLE */ diff --git a/include/trace/events/rxrpc.h b/include/trace/events/rxrpc.h index 1c714336b863..221856f2d295 100644 --- a/include/trace/events/rxrpc.h +++ b/include/trace/events/rxrpc.h @@ -583,7 +583,7 @@ TRACE_EVENT(rxrpc_client, TP_fast_assign( __entry->conn = conn ? conn->debug_id : 0; __entry->channel = channel; - __entry->usage = conn ? atomic_read(&conn->usage) : -2; + __entry->usage = conn ? refcount_read(&conn->ref) : -2; __entry->op = op; __entry->cid = conn ? conn->proto.cid : 0; ), diff --git a/include/uapi/linux/audit.h b/include/uapi/linux/audit.h index cd2d8279a5e4..cb4e8e6e86a9 100644 --- a/include/uapi/linux/audit.h +++ b/include/uapi/linux/audit.h @@ -182,7 +182,7 @@ #define AUDIT_MAX_KEY_LEN 256 #define AUDIT_BITMASK_SIZE 64 #define AUDIT_WORD(nr) ((__u32)((nr)/32)) -#define AUDIT_BIT(nr) (1 << ((nr) - AUDIT_WORD(nr)*32)) +#define AUDIT_BIT(nr) (1U << ((nr) - AUDIT_WORD(nr)*32))

#define AUDIT_SYSCALL_CLASSES 16 #define AUDIT_CLASS_DIR_WRITE 0 diff --git a/init/Kconfig b/init/Kconfig index 22912631d79b..eba883d6d9ed 100644 --- a/init/Kconfig +++ b/init/Kconfig @@ -71,7 +71,7 @@ config CC_HAS_ASM_GOTO_OUTPUT config CC_HAS_ASM_GOTO_TIED_OUTPUT depends on CC_HAS_ASM_GOTO_OUTPUT # Detect buggy gcc and clang, fixed in gcc-11 clang-14. - def_bool $(success,echo 'int foo(int *x) { asm goto (".long (%l[bar]) - .\n": "+m"(*x) ::: bar); return *x; bar: return 0; }' | $CC -x c - -c -o /dev/null) + def_bool $(success,echo 'int foo(int *x) { asm goto (".long (%l[bar]) - .": "+m"(*x) ::: bar); return *x; bar: return 0; }' | $CC -x c - -c -o /dev/null)

config TOOLS_SUPPORT_RELR def_bool $(success,env "CC=$(CC)" "LD=$(LD)" "NM=$(NM)" "OBJCOPY=$(OBJCOPY)" $(srctree)/scripts/tools-support-relr.sh) diff --git a/kernel/gcov/clang.c b/kernel/gcov/clang.c index c466c7fbdece..ea6b45d0fa0d 100644 --- a/kernel/gcov/clang.c +++ b/kernel/gcov/clang.c @@ -327,6 +327,8 @@ void gcov_info_add(struct gcov_info *dst, struct gcov_info *src)

for (i = 0; i < sfn_ptr->num_counters; i++) dfn_ptr->counters[i] += sfn_ptr->counters[i]; + + sfn_ptr = list_next_entry(sfn_ptr, head); } }

diff --git a/kernel/irq/manage.c b/kernel/irq/manage.c index 92d94615cbbb..3cb29835632f 100644 --- a/kernel/irq/manage.c +++ b/kernel/irq/manage.c @@ -223,11 +223,16 @@ int irq_do_set_affinity(struct irq_data *data, const struct cpumask *mask, { struct irq_desc *desc = irq_data_to_desc(data); struct irq_chip *chip = irq_data_get_irq_chip(data); + const struct cpumask *prog_mask; int ret;

+ static DEFINE_RAW_SPINLOCK(tmp_mask_lock); + static struct cpumask tmp_mask; + if (!chip || !chip->irq_set_affinity) return -EINVAL;

+ raw_spin_lock(&tmp_mask_lock); /* * If this is a managed interrupt and housekeeping is enabled on * it check whether the requested affinity mask intersects with @@ -249,24 +254,34 @@ int irq_do_set_affinity(struct irq_data *data, const struct cpumask *mask, */ if (irqd_affinity_is_managed(data) && housekeeping_enabled(HK_FLAG_MANAGED_IRQ)) { - const struct cpumask *hk_mask, *prog_mask; - - static DEFINE_RAW_SPINLOCK(tmp_mask_lock); - static struct cpumask tmp_mask; + const struct cpumask *hk_mask;

hk_mask = housekeeping_cpumask(HK_FLAG_MANAGED_IRQ);

- raw_spin_lock(&tmp_mask_lock); cpumask_and(&tmp_mask, mask, hk_mask); if (!cpumask_intersects(&tmp_mask, cpu_online_mask)) prog_mask = mask; else prog_mask = &tmp_mask; - ret = chip->irq_set_affinity(data, prog_mask, force); - raw_spin_unlock(&tmp_mask_lock); } else { - ret = chip->irq_set_affinity(data, mask, force); + prog_mask = mask; } + + /* + * Make sure we only provide online CPUs to the irqchip, + * unless we are being asked to force the affinity (in which + * case we do as we are told). + */ + cpumask_and(&tmp_mask, prog_mask, cpu_online_mask); + if (!force && !cpumask_empty(&tmp_mask)) + ret = chip->irq_set_affinity(data, &tmp_mask, force); + else if (force) + ret = chip->irq_set_affinity(data, mask, force); + else + ret = -EINVAL; + + raw_spin_unlock(&tmp_mask_lock); + switch (ret) { case IRQ_SET_MASK_OK: case IRQ_SET_MASK_OK_DONE: diff --git a/kernel/irq/msi.c b/kernel/irq/msi.c index d217acc9f71b..b47d95b68ac1 100644 --- a/kernel/irq/msi.c +++ b/kernel/irq/msi.c @@ -456,6 +456,13 @@ int __msi_domain_alloc_irqs(struct irq_domain *domain, struct device *dev, irqd_clr_can_reserve(irq_data); if (domain->flags & IRQ_DOMAIN_MSI_NOMASK_QUIRK) irqd_set_msi_nomask_quirk(irq_data); + if ((info->flags & MSI_FLAG_ACTIVATE_EARLY) && + irqd_affinity_is_managed(irq_data) && + !cpumask_intersects(irq_data_get_affinity_mask(irq_data), + cpu_online_mask)) { + irqd_set_managed_shutdown(irq_data); + continue; + } } ret = irq_domain_activate_irq(irq_data, can_reserve); if (ret) diff --git a/lib/vdso/Makefile b/lib/vdso/Makefile index c415a685d61b..e814061d6aa0 100644 --- a/lib/vdso/Makefile +++ b/lib/vdso/Makefile @@ -17,6 +17,6 @@ $(error ARCH_REL_TYPE_ABS is not set) endif

quiet_cmd_vdso_check = VDSOCHK $@ - cmd_vdso_check = if $(OBJDUMP) -R $@ | egrep -h "$(ARCH_REL_TYPE_ABS)"; \ + cmd_vdso_check = if $(OBJDUMP) -R $@ | grep -E -h "$(ARCH_REL_TYPE_ABS)"; \ then (echo >&2 "$@: dynamic relocations are not supported"; \ rm -f $@; /bin/false); fi diff --git a/mm/vmscan.c b/mm/vmscan.c index f2817e80a1ab..51ccd80e70b6 100644 --- a/mm/vmscan.c +++ b/mm/vmscan.c @@ -2439,8 +2439,8 @@ static void shrink_lruvec(struct lruvec *lruvec, struct scan_control *sc) enum lru_list lru; unsigned long nr_reclaimed = 0; unsigned long nr_to_reclaim = sc->nr_to_reclaim; + bool proportional_reclaim; struct blk_plug plug; - bool scan_adjusted;

get_scan_count(lruvec, sc, nr);

@@ -2458,8 +2458,8 @@ static void shrink_lruvec(struct lruvec *lruvec, struct scan_control *sc) * abort proportional reclaim if either the file or anon lru has already * dropped to zero at the first pass. */ - scan_adjusted = (!cgroup_reclaim(sc) && !current_is_kswapd() && - sc->priority == DEF_PRIORITY); + proportional_reclaim = (!cgroup_reclaim(sc) && !current_is_kswapd() && + sc->priority == DEF_PRIORITY);

blk_start_plug(&plug); while (nr[LRU_INACTIVE_ANON] || nr[LRU_ACTIVE_FILE] || @@ -2479,7 +2479,7 @@ static void shrink_lruvec(struct lruvec *lruvec, struct scan_control *sc)

cond_resched();

- if (nr_reclaimed < nr_to_reclaim || scan_adjusted) + if (nr_reclaimed < nr_to_reclaim || proportional_reclaim) continue;

/* @@ -2530,8 +2530,6 @@ static void shrink_lruvec(struct lruvec *lruvec, struct scan_control *sc) nr_scanned = targets[lru] - nr[lru]; nr[lru] = targets[lru] * (100 - percentage) / 100; nr[lru] -= min(nr[lru], nr_scanned); - - scan_adjusted = true; } blk_finish_plug(&plug); sc->nr_reclaimed += nr_reclaimed; diff --git a/net/9p/trans_fd.c b/net/9p/trans_fd.c index fec6c800c898..400219801e63 100644 --- a/net/9p/trans_fd.c +++ b/net/9p/trans_fd.c @@ -200,9 +200,11 @@ static void p9_conn_cancel(struct p9_conn *m, int err)

list_for_each_entry_safe(req, rtmp, &m->req_list, req_list) { list_move(&req->req_list, &cancel_list); + req->status = REQ_STATUS_ERROR; } list_for_each_entry_safe(req, rtmp, &m->unsent_req_list, req_list) { list_move(&req->req_list, &cancel_list); + req->status = REQ_STATUS_ERROR; }

spin_unlock(&m->client->lock); diff --git a/net/bridge/br_vlan.c b/net/bridge/br_vlan.c index 852f4b54e881..1dc5db07650c 100644 --- a/net/bridge/br_vlan.c +++ b/net/bridge/br_vlan.c @@ -855,26 +855,37 @@ EXPORT_SYMBOL_GPL(br_vlan_get_proto);

int __br_vlan_set_proto(struct net_bridge *br, __be16 proto) { + struct switchdev_attr attr = { + .orig_dev = br->dev, + .id = SWITCHDEV_ATTR_ID_BRIDGE_VLAN_PROTOCOL, + .flags = SWITCHDEV_F_SKIP_EOPNOTSUPP, + .u.vlan_protocol = ntohs(proto), + }; int err = 0; struct net_bridge_port *p; struct net_bridge_vlan *vlan; struct net_bridge_vlan_group *vg; - __be16 oldproto; + __be16 oldproto = br->vlan_proto;

if (br->vlan_proto == proto) return 0;

+ err = switchdev_port_attr_set(br->dev, &attr); + if (err && err != -EOPNOTSUPP) + return err; + /* Add VLANs for the new proto to the device filter. */ list_for_each_entry(p, &br->port_list, list) { vg = nbp_vlan_group(p); list_for_each_entry(vlan, &vg->vlan_list, vlist) { + if (vlan->priv_flags & BR_VLFLAG_ADDED_BY_SWITCHDEV) + continue; err = vlan_vid_add(p->dev, proto, vlan->vid); if (err) goto err_filt; } }

- oldproto = br->vlan_proto; br->vlan_proto = proto;

recalculate_group_addr(br); @@ -883,20 +894,32 @@ int __br_vlan_set_proto(struct net_bridge *br, __be16 proto) /* Delete VLANs for the old proto from the device filter. */ list_for_each_entry(p, &br->port_list, list) { vg = nbp_vlan_group(p); - list_for_each_entry(vlan, &vg->vlan_list, vlist) + list_for_each_entry(vlan, &vg->vlan_list, vlist) { + if (vlan->priv_flags & BR_VLFLAG_ADDED_BY_SWITCHDEV) + continue; vlan_vid_del(p->dev, oldproto, vlan->vid); + } }

return 0;

err_filt: - list_for_each_entry_continue_reverse(vlan, &vg->vlan_list, vlist) + attr.u.vlan_protocol = ntohs(oldproto); + switchdev_port_attr_set(br->dev, &attr); + + list_for_each_entry_continue_reverse(vlan, &vg->vlan_list, vlist) { + if (vlan->priv_flags & BR_VLFLAG_ADDED_BY_SWITCHDEV) + continue; vlan_vid_del(p->dev, proto, vlan->vid); + }

list_for_each_entry_continue_reverse(p, &br->port_list, list) { vg = nbp_vlan_group(p); - list_for_each_entry(vlan, &vg->vlan_list, vlist) + list_for_each_entry(vlan, &vg->vlan_list, vlist) { + if (vlan->priv_flags & BR_VLFLAG_ADDED_BY_SWITCHDEV) + continue; vlan_vid_del(p->dev, proto, vlan->vid); + } }

return err; diff --git a/net/core/flow_dissector.c b/net/core/flow_dissector.c index ed120828c7e2..b8d082f55718 100644 --- a/net/core/flow_dissector.c +++ b/net/core/flow_dissector.c @@ -263,7 +263,7 @@ skb_flow_dissect_ct(const struct sk_buff *skb, key->ct_zone = ct->zone.id; #endif #if IS_ENABLED(CONFIG_NF_CONNTRACK_MARK) - key->ct_mark = ct->mark; + key->ct_mark = READ_ONCE(ct->mark); #endif

cl = nf_ct_labels_find(ct); diff --git a/net/dccp/ipv4.c b/net/dccp/ipv4.c index 2455b0c0e486..a2a8b952b3c5 100644 --- a/net/dccp/ipv4.c +++ b/net/dccp/ipv4.c @@ -130,6 +130,8 @@ int dccp_v4_connect(struct sock *sk, struct sockaddr *uaddr, int addr_len) * This unhashes the socket and releases the local port, if necessary. */ dccp_set_state(sk, DCCP_CLOSED); + if (!(sk->sk_userlocks & SOCK_BINDADDR_LOCK)) + inet_reset_saddr(sk); ip_rt_put(rt); sk->sk_route_caps = 0; inet->inet_dport = 0; diff --git a/net/dccp/ipv6.c b/net/dccp/ipv6.c index 2be5c69824f9..21c61a9c3b15 100644 --- a/net/dccp/ipv6.c +++ b/net/dccp/ipv6.c @@ -957,6 +957,8 @@ static int dccp_v6_connect(struct sock *sk, struct sockaddr *uaddr,

late_failure: dccp_set_state(sk, DCCP_CLOSED); + if (!(sk->sk_userlocks & SOCK_BINDADDR_LOCK)) + inet_reset_saddr(sk); __sk_dst_reset(sk); failure: inet->inet_dport = 0; diff --git a/net/ipv4/Kconfig b/net/ipv4/Kconfig index 87983e70f03f..23b06063e1a5 100644 --- a/net/ipv4/Kconfig +++ b/net/ipv4/Kconfig @@ -403,6 +403,16 @@ config INET_IPCOMP

If unsure, say Y.

+config INET_TABLE_PERTURB_ORDER + int "INET: Source port perturbation table size (as power of 2)" if EXPERT + default 16 + help + Source port perturbation table size (as power of 2) for + RFC 6056 3.3.4. Algorithm 4: Double-Hash Port Selection Algorithm. + + The default is almost always what you want. + Only change this if you know what you are doing. + config INET_XFRM_TUNNEL tristate select INET_TUNNEL diff --git a/net/ipv4/esp4_offload.c b/net/ipv4/esp4_offload.c index 3450c9ba2728..84257678160a 100644 --- a/net/ipv4/esp4_offload.c +++ b/net/ipv4/esp4_offload.c @@ -312,6 +312,9 @@ static int esp_xmit(struct xfrm_state *x, struct sk_buff *skb, netdev_features_ xo->seq.low += skb_shinfo(skb)->gso_segs; }

+ if (xo->seq.low < seq) + xo->seq.hi++; + esp.seqno = cpu_to_be64(seq + ((u64)xo->seq.hi << 32));

ip_hdr(skb)->tot_len = htons(skb->len); diff --git a/net/ipv4/fib_trie.c b/net/ipv4/fib_trie.c index a28f525e2c47..d11fb16234a6 100644 --- a/net/ipv4/fib_trie.c +++ b/net/ipv4/fib_trie.c @@ -1331,8 +1331,10 @@ int fib_table_insert(struct net *net, struct fib_table *tb,

/* The alias was already inserted, so the node must exist. */ l = l ? l : fib_find_node(t, &tp, key); - if (WARN_ON_ONCE(!l)) + if (WARN_ON_ONCE(!l)) { + err = -ENOENT; goto out_free_new_fa; + }

if (fib_find_alias(&l->leaf, new_fa->fa_slen, 0, 0, tb->tb_id, true) == new_fa) { diff --git a/net/ipv4/inet_hashtables.c b/net/ipv4/inet_hashtables.c index c0de655fffd7..c68a1dae25ca 100644 --- a/net/ipv4/inet_hashtables.c +++ b/net/ipv4/inet_hashtables.c @@ -721,13 +721,13 @@ EXPORT_SYMBOL_GPL(inet_unhash); * Note that we use 32bit integers (vs RFC 'short integers') * because 2^16 is not a multiple of num_ephemeral and this * property might be used by clever attacker. + * * RFC claims using TABLE_LENGTH=10 buckets gives an improvement, though - * attacks were since demonstrated, thus we use 65536 instead to really - * give more isolation and privacy, at the expense of 256kB of kernel - * memory. + * attacks were since demonstrated, thus we use 65536 by default instead + * to really give more isolation and privacy, at the expense of 256kB + * of kernel memory. */ -#define INET_TABLE_PERTURB_SHIFT 16 -#define INET_TABLE_PERTURB_SIZE (1 << INET_TABLE_PERTURB_SHIFT) +#define INET_TABLE_PERTURB_SIZE (1 << CONFIG_INET_TABLE_PERTURB_ORDER) static u32 *table_perturb;

int __inet_hash_connect(struct inet_timewait_death_row *death_row, diff --git a/net/ipv4/ip_input.c b/net/ipv4/ip_input.c index f6b3237e88ca..eccd7897e7aa 100644 --- a/net/ipv4/ip_input.c +++ b/net/ipv4/ip_input.c @@ -361,6 +361,11 @@ static int ip_rcv_finish_core(struct net *net, struct sock *sk, iph->tos, dev); if (unlikely(err)) goto drop_error; + } else { + struct in_device *in_dev = __in_dev_get_rcu(dev); + + if (in_dev && IN_DEV_ORCONF(in_dev, NOPOLICY)) + IPCB(skb)->flags |= IPSKB_NOPOLICY; }

#ifdef CONFIG_IP_ROUTE_CLASSID diff --git a/net/ipv4/netfilter/ipt_CLUSTERIP.c b/net/ipv4/netfilter/ipt_CLUSTERIP.c index 1088564d4dbc..77e3b67e8790 100644 --- a/net/ipv4/netfilter/ipt_CLUSTERIP.c +++ b/net/ipv4/netfilter/ipt_CLUSTERIP.c @@ -424,7 +424,7 @@ clusterip_tg(struct sk_buff *skb, const struct xt_action_param *par)

switch (ctinfo) { case IP_CT_NEW: - ct->mark = hash; + WRITE_ONCE(ct->mark, hash); break; case IP_CT_RELATED: case IP_CT_RELATED_REPLY: @@ -441,7 +441,7 @@ clusterip_tg(struct sk_buff *skb, const struct xt_action_param *par) #ifdef DEBUG nf_ct_dump_tuple_ip(&ct->tuplehash[IP_CT_DIR_ORIGINAL].tuple); #endif - pr_debug("hash=%u ct_hash=%u ", hash, ct->mark); + pr_debug("hash=%u ct_hash=%u ", hash, READ_ONCE(ct->mark)); if (!clusterip_responsible(cipinfo->config, hash)) { pr_debug("not responsible\n"); return NF_DROP; diff --git a/net/ipv4/tcp_ipv4.c b/net/ipv4/tcp_ipv4.c index 31a8009f74ee..8bd7b1ec3b6a 100644 --- a/net/ipv4/tcp_ipv4.c +++ b/net/ipv4/tcp_ipv4.c @@ -322,6 +322,8 @@ int tcp_v4_connect(struct sock *sk, struct sockaddr *uaddr, int addr_len) * if necessary. */ tcp_set_state(sk, TCP_CLOSE); + if (!(sk->sk_userlocks & SOCK_BINDADDR_LOCK)) + inet_reset_saddr(sk); ip_rt_put(rt); sk->sk_route_caps = 0; inet->inet_dport = 0; diff --git a/net/ipv6/esp6_offload.c b/net/ipv6/esp6_offload.c index 1c3f02d05d2b..7608be04d0f5 100644 --- a/net/ipv6/esp6_offload.c +++ b/net/ipv6/esp6_offload.c @@ -343,6 +343,9 @@ static int esp6_xmit(struct xfrm_state *x, struct sk_buff *skb, netdev_features xo->seq.low += skb_shinfo(skb)->gso_segs; }

+ if (xo->seq.low < seq) + xo->seq.hi++; + esp.seqno = cpu_to_be64(xo->seq.low + ((u64)xo->seq.hi << 32));

len = skb->len - sizeof(struct ipv6hdr); diff --git a/net/ipv6/tcp_ipv6.c b/net/ipv6/tcp_ipv6.c index a558dd9d177b..c599e14be414 100644 --- a/net/ipv6/tcp_ipv6.c +++ b/net/ipv6/tcp_ipv6.c @@ -339,6 +339,8 @@ static int tcp_v6_connect(struct sock *sk, struct sockaddr *uaddr,

late_failure: tcp_set_state(sk, TCP_CLOSE); + if (!(sk->sk_userlocks & SOCK_BINDADDR_LOCK)) + inet_reset_saddr(sk); failure: inet->inet_dport = 0; sk->sk_route_caps = 0; diff --git a/net/ipv6/xfrm6_policy.c b/net/ipv6/xfrm6_policy.c index af7a4b8b1e9c..247296e3294b 100644 --- a/net/ipv6/xfrm6_policy.c +++ b/net/ipv6/xfrm6_policy.c @@ -289,9 +289,13 @@ int __init xfrm6_init(void) if (ret) goto out_state;

- register_pernet_subsys(&xfrm6_net_ops); + ret = register_pernet_subsys(&xfrm6_net_ops); + if (ret) + goto out_protocol; out: return ret; +out_protocol: + xfrm6_protocol_fini(); out_state: xfrm6_state_fini(); out_policy: diff --git a/net/key/af_key.c b/net/key/af_key.c index 05e271098888..8bc7d399987b 100644 --- a/net/key/af_key.c +++ b/net/key/af_key.c @@ -2909,7 +2909,7 @@ static int count_ah_combs(const struct xfrm_tmpl *t) break; if (!aalg->pfkey_supported) continue; - if (aalg_tmpl_set(t, aalg) && aalg->available) + if (aalg_tmpl_set(t, aalg)) sz += sizeof(struct sadb_comb); } return sz + sizeof(struct sadb_prop); @@ -2927,7 +2927,7 @@ static int count_esp_combs(const struct xfrm_tmpl *t) if (!ealg->pfkey_supported) continue;

- if (!(ealg_tmpl_set(t, ealg) && ealg->available)) + if (!(ealg_tmpl_set(t, ealg))) continue;

for (k = 1; ; k++) { @@ -2938,16 +2938,17 @@ static int count_esp_combs(const struct xfrm_tmpl *t) if (!aalg->pfkey_supported) continue;

- if (aalg_tmpl_set(t, aalg) && aalg->available) + if (aalg_tmpl_set(t, aalg)) sz += sizeof(struct sadb_comb); } } return sz + sizeof(struct sadb_prop); }

-static void dump_ah_combs(struct sk_buff *skb, const struct xfrm_tmpl *t) +static int dump_ah_combs(struct sk_buff *skb, const struct xfrm_tmpl *t) { struct sadb_prop *p; + int sz = 0; int i;

p = skb_put(skb, sizeof(struct sadb_prop)); @@ -2975,13 +2976,17 @@ static void dump_ah_combs(struct sk_buff *skb, const struct xfrm_tmpl *t) c->sadb_comb_soft_addtime = 20*60*60; c->sadb_comb_hard_usetime = 8*60*60; c->sadb_comb_soft_usetime = 7*60*60; + sz += sizeof(*c); } } + + return sz + sizeof(*p); }

-static void dump_esp_combs(struct sk_buff *skb, const struct xfrm_tmpl *t) +static int dump_esp_combs(struct sk_buff *skb, const struct xfrm_tmpl *t) { struct sadb_prop *p; + int sz = 0; int i, k;

p = skb_put(skb, sizeof(struct sadb_prop)); @@ -3023,8 +3028,11 @@ static void dump_esp_combs(struct sk_buff *skb, const struct xfrm_tmpl *t) c->sadb_comb_soft_addtime = 20*60*60; c->sadb_comb_hard_usetime = 8*60*60; c->sadb_comb_soft_usetime = 7*60*60; + sz += sizeof(*c); } } + + return sz + sizeof(*p); }

static int key_notify_policy_expire(struct xfrm_policy *xp, const struct km_event *c) @@ -3154,6 +3162,7 @@ static int pfkey_send_acquire(struct xfrm_state *x, struct xfrm_tmpl *t, struct struct sadb_x_sec_ctx *sec_ctx; struct xfrm_sec_ctx *xfrm_ctx; int ctx_size = 0; + int alg_size = 0;

sockaddr_size = pfkey_sockaddr_size(x->props.family); if (!sockaddr_size) @@ -3165,16 +3174,16 @@ static int pfkey_send_acquire(struct xfrm_state *x, struct xfrm_tmpl *t, struct sizeof(struct sadb_x_policy);

if (x->id.proto == IPPROTO_AH) - size += count_ah_combs(t); + alg_size = count_ah_combs(t); else if (x->id.proto == IPPROTO_ESP) - size += count_esp_combs(t); + alg_size = count_esp_combs(t);

if ((xfrm_ctx = x->security)) { ctx_size = PFKEY_ALIGN8(xfrm_ctx->ctx_len); size += sizeof(struct sadb_x_sec_ctx) + ctx_size; }

- skb = alloc_skb(size + 16, GFP_ATOMIC); + skb = alloc_skb(size + alg_size + 16, GFP_ATOMIC); if (skb == NULL) return -ENOMEM;

@@ -3228,10 +3237,13 @@ static int pfkey_send_acquire(struct xfrm_state *x, struct xfrm_tmpl *t, struct pol->sadb_x_policy_priority = xp->priority;

/* Set sadb_comb's. */ + alg_size = 0; if (x->id.proto == IPPROTO_AH) - dump_ah_combs(skb, t); + alg_size = dump_ah_combs(skb, t); else if (x->id.proto == IPPROTO_ESP) - dump_esp_combs(skb, t); + alg_size = dump_esp_combs(skb, t); + + hdr->sadb_msg_len += alg_size / 8;

/* security context */ if (xfrm_ctx) { diff --git a/net/mac80211/main.c b/net/mac80211/main.c index 73893025922f..ae90ac3be59a 100644 --- a/net/mac80211/main.c +++ b/net/mac80211/main.c @@ -1349,8 +1349,10 @@ int ieee80211_register_hw(struct ieee80211_hw *hw) ieee80211_led_exit(local); destroy_workqueue(local->workqueue); fail_workqueue: - if (local->wiphy_ciphers_allocated) + if (local->wiphy_ciphers_allocated) { kfree(local->hw.wiphy->cipher_suites); + local->wiphy_ciphers_allocated = false; + } kfree(local->int_scan_req); return result; } @@ -1420,8 +1422,10 @@ void ieee80211_free_hw(struct ieee80211_hw *hw) mutex_destroy(&local->iflist_mtx); mutex_destroy(&local->mtx);

- if (local->wiphy_ciphers_allocated) + if (local->wiphy_ciphers_allocated) { kfree(local->hw.wiphy->cipher_suites); + local->wiphy_ciphers_allocated = false; + }

idr_for_each(&local->ack_status_frames, ieee80211_free_ack_frame, NULL); diff --git a/net/mac80211/mesh_pathtbl.c b/net/mac80211/mesh_pathtbl.c index 870c8eafef92..c2b051e0610a 100644 --- a/net/mac80211/mesh_pathtbl.c +++ b/net/mac80211/mesh_pathtbl.c @@ -718,7 +718,7 @@ int mesh_path_send_to_gates(struct mesh_path *mpath) void mesh_path_discard_frame(struct ieee80211_sub_if_data *sdata, struct sk_buff *skb) { - kfree_skb(skb); + ieee80211_free_txskb(&sdata->local->hw, skb); sdata->u.mesh.mshstats.dropped_frames_no_route++; }

diff --git a/net/netfilter/ipset/ip_set_hash_ip.c b/net/netfilter/ipset/ip_set_hash_ip.c index 5d6d68eaf6a9..d7a81b2250e7 100644 --- a/net/netfilter/ipset/ip_set_hash_ip.c +++ b/net/netfilter/ipset/ip_set_hash_ip.c @@ -131,8 +131,11 @@ hash_ip4_uadt(struct ip_set *set, struct nlattr *tb[], ret = ip_set_get_hostipaddr4(tb[IPSET_ATTR_IP_TO], &ip_to); if (ret) return ret; - if (ip > ip_to) + if (ip > ip_to) { + if (ip_to == 0) + return -IPSET_ERR_HASH_ELEM; swap(ip, ip_to); + } } else if (tb[IPSET_ATTR_CIDR]) { u8 cidr = nla_get_u8(tb[IPSET_ATTR_CIDR]);

@@ -143,18 +146,20 @@ hash_ip4_uadt(struct ip_set *set, struct nlattr *tb[],

hosts = h->netmask == 32 ? 1 : 2 << (32 - h->netmask - 1);

- if (retried) { + /* 64bit division is not allowed on 32bit */ + if (((u64)ip_to - ip + 1) >> (32 - h->netmask) > IPSET_MAX_RANGE) + return -ERANGE; + + if (retried) ip = ntohl(h->next.ip); - e.ip = htonl(ip); - } for (; ip <= ip_to;) { + e.ip = htonl(ip); ret = adtfn(set, &e, &ext, &ext, flags); if (ret && !ip_set_eexist(ret, flags)) return ret;

ip += hosts; - e.ip = htonl(ip); - if (e.ip == 0) + if (ip == 0) return 0;

ret = 0; diff --git a/net/netfilter/ipset/ip_set_hash_ipmark.c b/net/netfilter/ipset/ip_set_hash_ipmark.c index aba1df617d6e..eefce34a34f0 100644 --- a/net/netfilter/ipset/ip_set_hash_ipmark.c +++ b/net/netfilter/ipset/ip_set_hash_ipmark.c @@ -120,6 +120,8 @@ hash_ipmark4_uadt(struct ip_set *set, struct nlattr *tb[],

e.mark = ntohl(nla_get_be32(tb[IPSET_ATTR_MARK])); e.mark &= h->markmask; + if (e.mark == 0 && e.ip == 0) + return -IPSET_ERR_HASH_ELEM;

if (adt == IPSET_TEST || !(tb[IPSET_ATTR_IP_TO] || tb[IPSET_ATTR_CIDR])) { @@ -132,8 +134,11 @@ hash_ipmark4_uadt(struct ip_set *set, struct nlattr *tb[], ret = ip_set_get_hostipaddr4(tb[IPSET_ATTR_IP_TO], &ip_to); if (ret) return ret; - if (ip > ip_to) + if (ip > ip_to) { + if (e.mark == 0 && ip_to == 0) + return -IPSET_ERR_HASH_ELEM; swap(ip, ip_to); + } } else if (tb[IPSET_ATTR_CIDR]) { u8 cidr = nla_get_u8(tb[IPSET_ATTR_CIDR]);

@@ -142,6 +147,9 @@ hash_ipmark4_uadt(struct ip_set *set, struct nlattr *tb[], ip_set_mask_from_to(ip, ip_to, cidr); }

+ if (((u64)ip_to - ip + 1) > IPSET_MAX_RANGE) + return -ERANGE; + if (retried) ip = ntohl(h->next.ip); for (; ip <= ip_to; ip++) { diff --git a/net/netfilter/ipset/ip_set_hash_ipport.c b/net/netfilter/ipset/ip_set_hash_ipport.c index 1ff228717e29..4a54e9e8ae59 100644 --- a/net/netfilter/ipset/ip_set_hash_ipport.c +++ b/net/netfilter/ipset/ip_set_hash_ipport.c @@ -172,6 +172,9 @@ hash_ipport4_uadt(struct ip_set *set, struct nlattr *tb[], swap(port, port_to); }

+ if (((u64)ip_to - ip + 1)*(port_to - port + 1) > IPSET_MAX_RANGE) + return -ERANGE; + if (retried) ip = ntohl(h->next.ip); for (; ip <= ip_to; ip++) { diff --git a/net/netfilter/ipset/ip_set_hash_ipportip.c b/net/netfilter/ipset/ip_set_hash_ipportip.c index fa88afd812fa..09737de5ecc3 100644 --- a/net/netfilter/ipset/ip_set_hash_ipportip.c +++ b/net/netfilter/ipset/ip_set_hash_ipportip.c @@ -179,6 +179,9 @@ hash_ipportip4_uadt(struct ip_set *set, struct nlattr *tb[], swap(port, port_to); }

+ if (((u64)ip_to - ip + 1)*(port_to - port + 1) > IPSET_MAX_RANGE) + return -ERANGE; + if (retried) ip = ntohl(h->next.ip); for (; ip <= ip_to; ip++) { diff --git a/net/netfilter/ipset/ip_set_hash_ipportnet.c b/net/netfilter/ipset/ip_set_hash_ipportnet.c index eef6ecfcb409..02685371a682 100644 --- a/net/netfilter/ipset/ip_set_hash_ipportnet.c +++ b/net/netfilter/ipset/ip_set_hash_ipportnet.c @@ -252,6 +252,9 @@ hash_ipportnet4_uadt(struct ip_set *set, struct nlattr *tb[], swap(port, port_to); }

+ if (((u64)ip_to - ip + 1)*(port_to - port + 1) > IPSET_MAX_RANGE) + return -ERANGE; + ip2_to = ip2_from; if (tb[IPSET_ATTR_IP2_TO]) { ret = ip_set_get_hostipaddr4(tb[IPSET_ATTR_IP2_TO], &ip2_to); diff --git a/net/netfilter/ipset/ip_set_hash_net.c b/net/netfilter/ipset/ip_set_hash_net.c index 136cf0781d3a..9d1beaacb973 100644 --- a/net/netfilter/ipset/ip_set_hash_net.c +++ b/net/netfilter/ipset/ip_set_hash_net.c @@ -139,7 +139,7 @@ hash_net4_uadt(struct ip_set *set, struct nlattr *tb[], ipset_adtfn adtfn = set->variant->adt[adt]; struct hash_net4_elem e = { .cidr = HOST_MASK }; struct ip_set_ext ext = IP_SET_INIT_UEXT(set); - u32 ip = 0, ip_to = 0; + u32 ip = 0, ip_to = 0, ipn, n = 0; int ret;

if (tb[IPSET_ATTR_LINENO]) @@ -187,6 +187,15 @@ hash_net4_uadt(struct ip_set *set, struct nlattr *tb[], if (ip + UINT_MAX == ip_to) return -IPSET_ERR_HASH_RANGE; } + ipn = ip; + do { + ipn = ip_set_range_to_cidr(ipn, ip_to, &e.cidr); + n++; + } while (ipn++ < ip_to); + + if (n > IPSET_MAX_RANGE) + return -ERANGE; + if (retried) ip = ntohl(h->next.ip); do { diff --git a/net/netfilter/ipset/ip_set_hash_netiface.c b/net/netfilter/ipset/ip_set_hash_netiface.c index be5e95a0d876..c3ada9c63fa3 100644 --- a/net/netfilter/ipset/ip_set_hash_netiface.c +++ b/net/netfilter/ipset/ip_set_hash_netiface.c @@ -201,7 +201,7 @@ hash_netiface4_uadt(struct ip_set *set, struct nlattr *tb[], ipset_adtfn adtfn = set->variant->adt[adt]; struct hash_netiface4_elem e = { .cidr = HOST_MASK, .elem = 1 }; struct ip_set_ext ext = IP_SET_INIT_UEXT(set); - u32 ip = 0, ip_to = 0; + u32 ip = 0, ip_to = 0, ipn, n = 0; int ret;

if (tb[IPSET_ATTR_LINENO]) @@ -255,6 +255,14 @@ hash_netiface4_uadt(struct ip_set *set, struct nlattr *tb[], } else { ip_set_mask_from_to(ip, ip_to, e.cidr); } + ipn = ip; + do { + ipn = ip_set_range_to_cidr(ipn, ip_to, &e.cidr); + n++; + } while (ipn++ < ip_to); + + if (n > IPSET_MAX_RANGE) + return -ERANGE;

if (retried) ip = ntohl(h->next.ip); diff --git a/net/netfilter/ipset/ip_set_hash_netnet.c b/net/netfilter/ipset/ip_set_hash_netnet.c index da4ef910b12d..b1411bc91a40 100644 --- a/net/netfilter/ipset/ip_set_hash_netnet.c +++ b/net/netfilter/ipset/ip_set_hash_netnet.c @@ -167,7 +167,8 @@ hash_netnet4_uadt(struct ip_set *set, struct nlattr *tb[], struct hash_netnet4_elem e = { }; struct ip_set_ext ext = IP_SET_INIT_UEXT(set); u32 ip = 0, ip_to = 0; - u32 ip2 = 0, ip2_from = 0, ip2_to = 0; + u32 ip2 = 0, ip2_from = 0, ip2_to = 0, ipn; + u64 n = 0, m = 0; int ret;

if (tb[IPSET_ATTR_LINENO]) @@ -243,6 +244,19 @@ hash_netnet4_uadt(struct ip_set *set, struct nlattr *tb[], } else { ip_set_mask_from_to(ip2_from, ip2_to, e.cidr[1]); } + ipn = ip; + do { + ipn = ip_set_range_to_cidr(ipn, ip_to, &e.cidr[0]); + n++; + } while (ipn++ < ip_to); + ipn = ip2_from; + do { + ipn = ip_set_range_to_cidr(ipn, ip2_to, &e.cidr[1]); + m++; + } while (ipn++ < ip2_to); + + if (n*m > IPSET_MAX_RANGE) + return -ERANGE;

if (retried) { ip = ntohl(h->next.ip[0]); diff --git a/net/netfilter/ipset/ip_set_hash_netport.c b/net/netfilter/ipset/ip_set_hash_netport.c index 34448df80fb9..d26d13528fe8 100644 --- a/net/netfilter/ipset/ip_set_hash_netport.c +++ b/net/netfilter/ipset/ip_set_hash_netport.c @@ -157,7 +157,8 @@ hash_netport4_uadt(struct ip_set *set, struct nlattr *tb[], ipset_adtfn adtfn = set->variant->adt[adt]; struct hash_netport4_elem e = { .cidr = HOST_MASK - 1 }; struct ip_set_ext ext = IP_SET_INIT_UEXT(set); - u32 port, port_to, p = 0, ip = 0, ip_to = 0; + u32 port, port_to, p = 0, ip = 0, ip_to = 0, ipn; + u64 n = 0; bool with_ports = false; u8 cidr; int ret; @@ -234,6 +235,14 @@ hash_netport4_uadt(struct ip_set *set, struct nlattr *tb[], } else { ip_set_mask_from_to(ip, ip_to, e.cidr + 1); } + ipn = ip; + do { + ipn = ip_set_range_to_cidr(ipn, ip_to, &cidr); + n++; + } while (ipn++ < ip_to); + + if (n*(port_to - port + 1) > IPSET_MAX_RANGE) + return -ERANGE;

if (retried) { ip = ntohl(h->next.ip); diff --git a/net/netfilter/ipset/ip_set_hash_netportnet.c b/net/netfilter/ipset/ip_set_hash_netportnet.c index 934c1712cba8..6446f4fccc72 100644 --- a/net/netfilter/ipset/ip_set_hash_netportnet.c +++ b/net/netfilter/ipset/ip_set_hash_netportnet.c @@ -181,7 +181,8 @@ hash_netportnet4_uadt(struct ip_set *set, struct nlattr *tb[], struct hash_netportnet4_elem e = { }; struct ip_set_ext ext = IP_SET_INIT_UEXT(set); u32 ip = 0, ip_to = 0, p = 0, port, port_to; - u32 ip2_from = 0, ip2_to = 0, ip2; + u32 ip2_from = 0, ip2_to = 0, ip2, ipn; + u64 n = 0, m = 0; bool with_ports = false; int ret;

@@ -283,6 +284,19 @@ hash_netportnet4_uadt(struct ip_set *set, struct nlattr *tb[], } else { ip_set_mask_from_to(ip2_from, ip2_to, e.cidr[1]); } + ipn = ip; + do { + ipn = ip_set_range_to_cidr(ipn, ip_to, &e.cidr[0]); + n++; + } while (ipn++ < ip_to); + ipn = ip2_from; + do { + ipn = ip_set_range_to_cidr(ipn, ip2_to, &e.cidr[1]); + m++; + } while (ipn++ < ip2_to); + + if (n*m*(port_to - port + 1) > IPSET_MAX_RANGE) + return -ERANGE;

if (retried) { ip = ntohl(h->next.ip[0]); diff --git a/net/netfilter/nf_conntrack_core.c b/net/netfilter/nf_conntrack_core.c index 8369af0c50ea..193a18bfddc0 100644 --- a/net/netfilter/nf_conntrack_core.c +++ b/net/netfilter/nf_conntrack_core.c @@ -1598,7 +1598,7 @@ init_conntrack(struct net *net, struct nf_conn *tmpl, }

#ifdef CONFIG_NF_CONNTRACK_MARK - ct->mark = exp->master->mark; + ct->mark = READ_ONCE(exp->master->mark); #endif #ifdef CONFIG_NF_CONNTRACK_SECMARK ct->secmark = exp->master->secmark; diff --git a/net/netfilter/nf_conntrack_netlink.c b/net/netfilter/nf_conntrack_netlink.c index 9e6898164199..c402283e7545 100644 --- a/net/netfilter/nf_conntrack_netlink.c +++ b/net/netfilter/nf_conntrack_netlink.c @@ -317,9 +317,9 @@ ctnetlink_dump_timestamp(struct sk_buff *skb, const struct nf_conn *ct) }

#ifdef CONFIG_NF_CONNTRACK_MARK -static int ctnetlink_dump_mark(struct sk_buff *skb, const struct nf_conn *ct) +static int ctnetlink_dump_mark(struct sk_buff *skb, u32 mark) { - if (nla_put_be32(skb, CTA_MARK, htonl(ct->mark))) + if (nla_put_be32(skb, CTA_MARK, htonl(mark))) goto nla_put_failure; return 0;

@@ -532,7 +532,7 @@ static int ctnetlink_dump_extinfo(struct sk_buff *skb, static int ctnetlink_dump_info(struct sk_buff *skb, struct nf_conn *ct) { if (ctnetlink_dump_status(skb, ct) < 0 || - ctnetlink_dump_mark(skb, ct) < 0 || + ctnetlink_dump_mark(skb, READ_ONCE(ct->mark)) < 0 || ctnetlink_dump_secctx(skb, ct) < 0 || ctnetlink_dump_id(skb, ct) < 0 || ctnetlink_dump_use(skb, ct) < 0 || @@ -711,6 +711,7 @@ ctnetlink_conntrack_event(unsigned int events, struct nf_ct_event *item) struct sk_buff *skb; unsigned int type; unsigned int flags = 0, group; + u32 mark; int err;

if (events & (1 << IPCT_DESTROY)) { @@ -811,8 +812,9 @@ ctnetlink_conntrack_event(unsigned int events, struct nf_ct_event *item) }

#ifdef CONFIG_NF_CONNTRACK_MARK - if ((events & (1 << IPCT_MARK) || ct->mark) - && ctnetlink_dump_mark(skb, ct) < 0) + mark = READ_ONCE(ct->mark); + if ((events & (1 << IPCT_MARK) || mark) && + ctnetlink_dump_mark(skb, mark) < 0) goto nla_put_failure; #endif nlmsg_end(skb, nlh); @@ -1099,7 +1101,7 @@ static int ctnetlink_filter_match(struct nf_conn *ct, void *data) }

#ifdef CONFIG_NF_CONNTRACK_MARK - if ((ct->mark & filter->mark.mask) != filter->mark.val) + if ((READ_ONCE(ct->mark) & filter->mark.mask) != filter->mark.val) goto ignore_entry; #endif

@@ -1979,9 +1981,9 @@ static void ctnetlink_change_mark(struct nf_conn *ct, mask = ~ntohl(nla_get_be32(cda[CTA_MARK_MASK]));

mark = ntohl(nla_get_be32(cda[CTA_MARK])); - newmark = (ct->mark & mask) ^ mark; - if (newmark != ct->mark) - ct->mark = newmark; + newmark = (READ_ONCE(ct->mark) & mask) ^ mark; + if (newmark != READ_ONCE(ct->mark)) + WRITE_ONCE(ct->mark, newmark); } #endif

@@ -2669,6 +2671,7 @@ static int __ctnetlink_glue_build(struct sk_buff *skb, struct nf_conn *ct) { const struct nf_conntrack_zone *zone; struct nlattr *nest_parms; + u32 mark;

zone = nf_ct_zone(ct);

@@ -2726,7 +2729,8 @@ static int __ctnetlink_glue_build(struct sk_buff *skb, struct nf_conn *ct) goto nla_put_failure;

#ifdef CONFIG_NF_CONNTRACK_MARK - if (ct->mark && ctnetlink_dump_mark(skb, ct) < 0) + mark = READ_ONCE(ct->mark); + if (mark && ctnetlink_dump_mark(skb, mark) < 0) goto nla_put_failure; #endif if (ctnetlink_dump_labels(skb, ct) < 0) diff --git a/net/netfilter/nf_conntrack_standalone.c b/net/netfilter/nf_conntrack_standalone.c index 313d1c8ff066..a7f88cdf3f87 100644 --- a/net/netfilter/nf_conntrack_standalone.c +++ b/net/netfilter/nf_conntrack_standalone.c @@ -360,7 +360,7 @@ static int ct_seq_show(struct seq_file *s, void *v) goto release;

#if defined(CONFIG_NF_CONNTRACK_MARK) - seq_printf(s, "mark=%u ", ct->mark); + seq_printf(s, "mark=%u ", READ_ONCE(ct->mark)); #endif

ct_show_secctx(s, ct); diff --git a/net/netfilter/nf_flow_table_offload.c b/net/netfilter/nf_flow_table_offload.c index d1862782be45..28306cb66719 100644 --- a/net/netfilter/nf_flow_table_offload.c +++ b/net/netfilter/nf_flow_table_offload.c @@ -910,6 +910,7 @@ static int nf_flow_table_block_setup(struct nf_flowtable *flowtable, struct flow_block_cb *block_cb, *next; int err = 0;

+ down_write(&flowtable->flow_block_lock); switch (cmd) { case FLOW_BLOCK_BIND: list_splice(&bo->cb_list, &flowtable->flow_block.cb_list); @@ -924,6 +925,7 @@ static int nf_flow_table_block_setup(struct nf_flowtable *flowtable, WARN_ON_ONCE(1); err = -EOPNOTSUPP; } + up_write(&flowtable->flow_block_lock);

return err; } @@ -980,7 +982,9 @@ static int nf_flow_table_offload_cmd(struct flow_block_offload *bo,

nf_flow_table_block_offload_init(bo, dev_net(dev), cmd, flowtable, extack); + down_write(&flowtable->flow_block_lock); err = dev->netdev_ops->ndo_setup_tc(dev, TC_SETUP_FT, bo); + up_write(&flowtable->flow_block_lock); if (err < 0) return err;

diff --git a/net/netfilter/nft_ct.c b/net/netfilter/nft_ct.c index 781118465d46..14093d86e682 100644 --- a/net/netfilter/nft_ct.c +++ b/net/netfilter/nft_ct.c @@ -97,7 +97,7 @@ static void nft_ct_get_eval(const struct nft_expr *expr, return; #ifdef CONFIG_NF_CONNTRACK_MARK case NFT_CT_MARK: - *dest = ct->mark; + *dest = READ_ONCE(ct->mark); return; #endif #ifdef CONFIG_NF_CONNTRACK_SECMARK @@ -294,8 +294,8 @@ static void nft_ct_set_eval(const struct nft_expr *expr, switch (priv->key) { #ifdef CONFIG_NF_CONNTRACK_MARK case NFT_CT_MARK: - if (ct->mark != value) { - ct->mark = value; + if (READ_ONCE(ct->mark) != value) { + WRITE_ONCE(ct->mark, value); nf_conntrack_event_cache(IPCT_MARK, ct); } break; diff --git a/net/netfilter/xt_connmark.c b/net/netfilter/xt_connmark.c index e5ebc0810675..ad3c033db64e 100644 --- a/net/netfilter/xt_connmark.c +++ b/net/netfilter/xt_connmark.c @@ -30,6 +30,7 @@ connmark_tg_shift(struct sk_buff *skb, const struct xt_connmark_tginfo2 *info) u_int32_t new_targetmark; struct nf_conn *ct; u_int32_t newmark; + u_int32_t oldmark;

ct = nf_ct_get(skb, &ctinfo); if (ct == NULL) @@ -37,14 +38,15 @@ connmark_tg_shift(struct sk_buff *skb, const struct xt_connmark_tginfo2 *info)

switch (info->mode) { case XT_CONNMARK_SET: - newmark = (ct->mark & ~info->ctmask) ^ info->ctmark; + oldmark = READ_ONCE(ct->mark); + newmark = (oldmark & ~info->ctmask) ^ info->ctmark; if (info->shift_dir == D_SHIFT_RIGHT) newmark >>= info->shift_bits; else newmark <<= info->shift_bits;

- if (ct->mark != newmark) { - ct->mark = newmark; + if (READ_ONCE(ct->mark) != newmark) { + WRITE_ONCE(ct->mark, newmark); nf_conntrack_event_cache(IPCT_MARK, ct); } break; @@ -55,15 +57,15 @@ connmark_tg_shift(struct sk_buff *skb, const struct xt_connmark_tginfo2 *info) else new_targetmark <<= info->shift_bits;

- newmark = (ct->mark & ~info->ctmask) ^ + newmark = (READ_ONCE(ct->mark) & ~info->ctmask) ^ new_targetmark; - if (ct->mark != newmark) { - ct->mark = newmark; + if (READ_ONCE(ct->mark) != newmark) { + WRITE_ONCE(ct->mark, newmark); nf_conntrack_event_cache(IPCT_MARK, ct); } break; case XT_CONNMARK_RESTORE: - new_targetmark = (ct->mark & info->ctmask); + new_targetmark = (READ_ONCE(ct->mark) & info->ctmask); if (info->shift_dir == D_SHIFT_RIGHT) new_targetmark >>= info->shift_bits; else @@ -126,7 +128,7 @@ connmark_mt(const struct sk_buff *skb, struct xt_action_param *par) if (ct == NULL) return false;

- return ((ct->mark & info->mask) == info->mark) ^ info->invert; + return ((READ_ONCE(ct->mark) & info->mask) == info->mark) ^ info->invert; }

static int connmark_mt_check(const struct xt_mtchk_param *par) diff --git a/net/nfc/nci/core.c b/net/nfc/nci/core.c index 2cfff70f70e0..ed9019d807c7 100644 --- a/net/nfc/nci/core.c +++ b/net/nfc/nci/core.c @@ -530,7 +530,7 @@ static int nci_open_device(struct nci_dev *ndev) skb_queue_purge(&ndev->tx_q);

ndev->ops->close(ndev); - ndev->flags = 0; + ndev->flags &= BIT(NCI_UNREG); }

done: diff --git a/net/nfc/nci/data.c b/net/nfc/nci/data.c index b002e18f38c8..b4548d887489 100644 --- a/net/nfc/nci/data.c +++ b/net/nfc/nci/data.c @@ -279,8 +279,10 @@ void nci_rx_data_packet(struct nci_dev *ndev, struct sk_buff *skb) nci_plen(skb->data));

conn_info = nci_get_conn_info_by_conn_id(ndev, nci_conn_id(skb->data)); - if (!conn_info) + if (!conn_info) { + kfree_skb(skb); return; + }

/* strip the nci data header */ skb_pull(skb, NCI_DATA_HDR_SIZE); diff --git a/net/openvswitch/conntrack.c b/net/openvswitch/conntrack.c index 41f248895a87..0f0f380e81a4 100644 --- a/net/openvswitch/conntrack.c +++ b/net/openvswitch/conntrack.c @@ -150,7 +150,7 @@ static u8 ovs_ct_get_state(enum ip_conntrack_info ctinfo) static u32 ovs_ct_get_mark(const struct nf_conn *ct) { #if IS_ENABLED(CONFIG_NF_CONNTRACK_MARK) - return ct ? ct->mark : 0; + return ct ? READ_ONCE(ct->mark) : 0; #else return 0; #endif @@ -336,9 +336,9 @@ static int ovs_ct_set_mark(struct nf_conn *ct, struct sw_flow_key *key, #if IS_ENABLED(CONFIG_NF_CONNTRACK_MARK) u32 new_mark;

- new_mark = ct_mark | (ct->mark & ~(mask)); - if (ct->mark != new_mark) { - ct->mark = new_mark; + new_mark = ct_mark | (READ_ONCE(ct->mark) & ~(mask)); + if (READ_ONCE(ct->mark) != new_mark) { + WRITE_ONCE(ct->mark, new_mark); if (nf_ct_is_confirmed(ct)) nf_conntrack_event_cache(IPCT_MARK, ct); key->ct.mark = new_mark; diff --git a/net/rxrpc/af_rxrpc.c b/net/rxrpc/af_rxrpc.c index 41671af6b33f..0354f90dc93a 100644 --- a/net/rxrpc/af_rxrpc.c +++ b/net/rxrpc/af_rxrpc.c @@ -351,7 +351,7 @@ static void rxrpc_dummy_notify_rx(struct sock *sk, struct rxrpc_call *rxcall, */ void rxrpc_kernel_end_call(struct socket *sock, struct rxrpc_call *call) { - _enter("%d{%d}", call->debug_id, atomic_read(&call->usage)); + _enter("%d{%d}", call->debug_id, refcount_read(&call->ref));

mutex_lock(&call->user_mutex); rxrpc_release_call(rxrpc_sk(sock->sk), call); diff --git a/net/rxrpc/ar-internal.h b/net/rxrpc/ar-internal.h index ccb65412b670..d86894a1c35d 100644 --- a/net/rxrpc/ar-internal.h +++ b/net/rxrpc/ar-internal.h @@ -14,14 +14,6 @@ #include <net/af_rxrpc.h> #include "protocol.h"

-#if 0 -#define CHECK_SLAB_OKAY(X) \ - BUG_ON(atomic_read((X)) >> (sizeof(atomic_t) - 2) == \ - (POISON_FREE << 8 | POISON_FREE)) -#else -#define CHECK_SLAB_OKAY(X) do {} while (0) -#endif - #define FCRYPT_BSIZE 8 struct rxrpc_crypt { union { @@ -86,7 +78,7 @@ struct rxrpc_net { struct work_struct client_conn_reaper; struct timer_list client_conn_reap_timer;

- struct list_head local_endpoints; + struct hlist_head local_endpoints; struct mutex local_mutex; /* Lock for ->local_endpoints */

DECLARE_HASHTABLE (peer_hash, 10); @@ -264,9 +256,9 @@ struct rxrpc_security { struct rxrpc_local { struct rcu_head rcu; atomic_t active_users; /* Number of users of the local endpoint */ - atomic_t usage; /* Number of references to the structure */ + refcount_t ref; /* Number of references to the structure */ struct rxrpc_net *rxnet; /* The network ns in which this resides */ - struct list_head link; + struct hlist_node link; struct socket *socket; /* my UDP socket */ struct work_struct processor; struct rxrpc_sock __rcu *service; /* Service(s) listening on this endpoint */ @@ -289,7 +281,7 @@ struct rxrpc_local { */ struct rxrpc_peer { struct rcu_head rcu; /* This must be first */ - atomic_t usage; + refcount_t ref; unsigned long hash_key; struct hlist_node hash_link; struct rxrpc_local *local; @@ -391,7 +383,8 @@ enum rxrpc_conn_proto_state { */ struct rxrpc_bundle { struct rxrpc_conn_parameters params; - atomic_t usage; + refcount_t ref; + atomic_t active; /* Number of active users */ unsigned int debug_id; bool try_upgrade; /* True if the bundle is attempting upgrade */ bool alloc_conn; /* True if someone's getting a conn */ @@ -412,7 +405,7 @@ struct rxrpc_connection { struct rxrpc_conn_proto proto; struct rxrpc_conn_parameters params;

- atomic_t usage; + refcount_t ref; struct rcu_head rcu; struct list_head cache_link;

@@ -592,7 +585,7 @@ struct rxrpc_call { int error; /* Local error incurred */ enum rxrpc_call_state state; /* current state of call */ enum rxrpc_call_completion completion; /* Call completion condition */ - atomic_t usage; + refcount_t ref; u16 service_id; /* service ID */ u8 security_ix; /* Security type */ enum rxrpc_interruptibility interruptibility; /* At what point call may be interrupted */ @@ -1001,6 +994,7 @@ void rxrpc_put_peer_locked(struct rxrpc_peer *); extern const struct seq_operations rxrpc_call_seq_ops; extern const struct seq_operations rxrpc_connection_seq_ops; extern const struct seq_operations rxrpc_peer_seq_ops; +extern const struct seq_operations rxrpc_local_seq_ops;

/* * recvmsg.c diff --git a/net/rxrpc/call_accept.c b/net/rxrpc/call_accept.c index a0b033954cea..2a14d69b171f 100644 --- a/net/rxrpc/call_accept.c +++ b/net/rxrpc/call_accept.c @@ -91,7 +91,7 @@ static int rxrpc_service_prealloc_one(struct rxrpc_sock *rx, (head + 1) & (size - 1));

trace_rxrpc_conn(conn->debug_id, rxrpc_conn_new_service, - atomic_read(&conn->usage), here); + refcount_read(&conn->ref), here); }

/* Now it gets complicated, because calls get registered with the @@ -104,7 +104,7 @@ static int rxrpc_service_prealloc_one(struct rxrpc_sock *rx, call->state = RXRPC_CALL_SERVER_PREALLOC;

trace_rxrpc_call(call->debug_id, rxrpc_call_new_service, - atomic_read(&call->usage), + refcount_read(&call->ref), here, (const void *)user_call_ID);

write_lock(&rx->call_lock); diff --git a/net/rxrpc/call_object.c b/net/rxrpc/call_object.c index 150cd7b2154c..10dad2834d5b 100644 --- a/net/rxrpc/call_object.c +++ b/net/rxrpc/call_object.c @@ -112,7 +112,7 @@ struct rxrpc_call *rxrpc_find_call_by_user_ID(struct rxrpc_sock *rx, found_extant_call: rxrpc_get_call(call, rxrpc_call_got); read_unlock(&rx->call_lock); - _leave(" = %p [%d]", call, atomic_read(&call->usage)); + _leave(" = %p [%d]", call, refcount_read(&call->ref)); return call; }

@@ -160,7 +160,7 @@ struct rxrpc_call *rxrpc_alloc_call(struct rxrpc_sock *rx, gfp_t gfp, spin_lock_init(&call->notify_lock); spin_lock_init(&call->input_lock); rwlock_init(&call->state_lock); - atomic_set(&call->usage, 1); + refcount_set(&call->ref, 1); call->debug_id = debug_id; call->tx_total_len = -1; call->next_rx_timo = 20 * HZ; @@ -301,7 +301,7 @@ struct rxrpc_call *rxrpc_new_client_call(struct rxrpc_sock *rx, call->interruptibility = p->interruptibility; call->tx_total_len = p->tx_total_len; trace_rxrpc_call(call->debug_id, rxrpc_call_new_client, - atomic_read(&call->usage), + refcount_read(&call->ref), here, (const void *)p->user_call_ID); if (p->kernel) __set_bit(RXRPC_CALL_KERNEL, &call->flags); @@ -354,7 +354,7 @@ struct rxrpc_call *rxrpc_new_client_call(struct rxrpc_sock *rx, goto error_attached_to_socket;

trace_rxrpc_call(call->debug_id, rxrpc_call_connected, - atomic_read(&call->usage), here, NULL); + refcount_read(&call->ref), here, NULL);

rxrpc_start_call_timer(call);

@@ -374,7 +374,7 @@ struct rxrpc_call *rxrpc_new_client_call(struct rxrpc_sock *rx, __rxrpc_set_call_completion(call, RXRPC_CALL_LOCAL_ERROR, RX_CALL_DEAD, -EEXIST); trace_rxrpc_call(call->debug_id, rxrpc_call_error, - atomic_read(&call->usage), here, ERR_PTR(-EEXIST)); + refcount_read(&call->ref), here, ERR_PTR(-EEXIST)); rxrpc_release_call(rx, call); mutex_unlock(&call->user_mutex); rxrpc_put_call(call, rxrpc_call_put); @@ -388,7 +388,7 @@ struct rxrpc_call *rxrpc_new_client_call(struct rxrpc_sock *rx, */ error_attached_to_socket: trace_rxrpc_call(call->debug_id, rxrpc_call_error, - atomic_read(&call->usage), here, ERR_PTR(ret)); + refcount_read(&call->ref), here, ERR_PTR(ret)); set_bit(RXRPC_CALL_DISCONNECTED, &call->flags); __rxrpc_set_call_completion(call, RXRPC_CALL_LOCAL_ERROR, RX_CALL_DEAD, ret); @@ -444,8 +444,9 @@ void rxrpc_incoming_call(struct rxrpc_sock *rx, bool rxrpc_queue_call(struct rxrpc_call *call) { const void *here = __builtin_return_address(0); - int n = atomic_fetch_add_unless(&call->usage, 1, 0); - if (n == 0) + int n; + + if (!__refcount_inc_not_zero(&call->ref, &n)) return false; if (rxrpc_queue_work(&call->processor)) trace_rxrpc_call(call->debug_id, rxrpc_call_queued, n + 1, @@ -461,7 +462,7 @@ bool rxrpc_queue_call(struct rxrpc_call *call) bool __rxrpc_queue_call(struct rxrpc_call *call) { const void *here = __builtin_return_address(0); - int n = atomic_read(&call->usage); + int n = refcount_read(&call->ref); ASSERTCMP(n, >=, 1); if (rxrpc_queue_work(&call->processor)) trace_rxrpc_call(call->debug_id, rxrpc_call_queued_ref, n, @@ -478,7 +479,7 @@ void rxrpc_see_call(struct rxrpc_call *call) { const void *here = __builtin_return_address(0); if (call) { - int n = atomic_read(&call->usage); + int n = refcount_read(&call->ref);

trace_rxrpc_call(call->debug_id, rxrpc_call_seen, n, here, NULL); @@ -488,11 +489,11 @@ void rxrpc_see_call(struct rxrpc_call *call) bool rxrpc_try_get_call(struct rxrpc_call *call, enum rxrpc_call_trace op) { const void *here = __builtin_return_address(0); - int n = atomic_fetch_add_unless(&call->usage, 1, 0); + int n;

- if (n == 0) + if (!__refcount_inc_not_zero(&call->ref, &n)) return false; - trace_rxrpc_call(call->debug_id, op, n, here, NULL); + trace_rxrpc_call(call->debug_id, op, n + 1, here, NULL); return true; }

@@ -502,9 +503,10 @@ bool rxrpc_try_get_call(struct rxrpc_call *call, enum rxrpc_call_trace op) void rxrpc_get_call(struct rxrpc_call *call, enum rxrpc_call_trace op) { const void *here = __builtin_return_address(0); - int n = atomic_inc_return(&call->usage); + int n;

- trace_rxrpc_call(call->debug_id, op, n, here, NULL); + __refcount_inc(&call->ref, &n); + trace_rxrpc_call(call->debug_id, op, n + 1, here, NULL); }

/* @@ -529,10 +531,10 @@ void rxrpc_release_call(struct rxrpc_sock *rx, struct rxrpc_call *call) struct rxrpc_connection *conn = call->conn; bool put = false;

- _enter("{%d,%d}", call->debug_id, atomic_read(&call->usage)); + _enter("{%d,%d}", call->debug_id, refcount_read(&call->ref));

trace_rxrpc_call(call->debug_id, rxrpc_call_release, - atomic_read(&call->usage), + refcount_read(&call->ref), here, (const void *)call->flags);

ASSERTCMP(call->state, ==, RXRPC_CALL_COMPLETE); @@ -621,14 +623,14 @@ void rxrpc_put_call(struct rxrpc_call *call, enum rxrpc_call_trace op) struct rxrpc_net *rxnet = call->rxnet; const void *here = __builtin_return_address(0); unsigned int debug_id = call->debug_id; + bool dead; int n;

ASSERT(call != NULL);

- n = atomic_dec_return(&call->usage); + dead = __refcount_dec_and_test(&call->ref, &n); trace_rxrpc_call(debug_id, op, n, here, NULL); - ASSERTCMP(n, >=, 0); - if (n == 0) { + if (dead) { _debug("call %d dead", call->debug_id); ASSERTCMP(call->state, ==, RXRPC_CALL_COMPLETE);

@@ -718,7 +720,7 @@ void rxrpc_destroy_all_calls(struct rxrpc_net *rxnet) list_del_init(&call->link);

pr_err("Call %p still in use (%d,%s,%lx,%lx)!\n", - call, atomic_read(&call->usage), + call, refcount_read(&call->ref), rxrpc_call_states[call->state], call->flags, call->events);

diff --git a/net/rxrpc/conn_client.c b/net/rxrpc/conn_client.c index f5fb223aba82..f5fa5f3083bd 100644 --- a/net/rxrpc/conn_client.c +++ b/net/rxrpc/conn_client.c @@ -40,6 +40,8 @@ __read_mostly unsigned long rxrpc_conn_idle_client_fast_expiry = 2 * HZ; DEFINE_IDR(rxrpc_client_conn_ids); static DEFINE_SPINLOCK(rxrpc_conn_id_lock);

+static void rxrpc_deactivate_bundle(struct rxrpc_bundle *bundle); + /* * Get a connection ID and epoch for a client connection from the global pool. * The connection struct pointer is then recorded in the idr radix tree. The @@ -102,7 +104,7 @@ void rxrpc_destroy_client_conn_ids(void) if (!idr_is_empty(&rxrpc_client_conn_ids)) { idr_for_each_entry(&rxrpc_client_conn_ids, conn, id) { pr_err("AF_RXRPC: Leaked client conn %p {%d}\n", - conn, atomic_read(&conn->usage)); + conn, refcount_read(&conn->ref)); } BUG(); } @@ -122,7 +124,8 @@ static struct rxrpc_bundle *rxrpc_alloc_bundle(struct rxrpc_conn_parameters *cp, if (bundle) { bundle->params = *cp; rxrpc_get_peer(bundle->params.peer); - atomic_set(&bundle->usage, 1); + refcount_set(&bundle->ref, 1); + atomic_set(&bundle->active, 1); spin_lock_init(&bundle->channel_lock); INIT_LIST_HEAD(&bundle->waiting_calls); } @@ -131,7 +134,7 @@ static struct rxrpc_bundle *rxrpc_alloc_bundle(struct rxrpc_conn_parameters *cp,

struct rxrpc_bundle *rxrpc_get_bundle(struct rxrpc_bundle *bundle) { - atomic_inc(&bundle->usage); + refcount_inc(&bundle->ref); return bundle; }

@@ -144,10 +147,13 @@ static void rxrpc_free_bundle(struct rxrpc_bundle *bundle) void rxrpc_put_bundle(struct rxrpc_bundle *bundle) { unsigned int d = bundle->debug_id; - unsigned int u = atomic_dec_return(&bundle->usage); + bool dead; + int r; + + dead = __refcount_dec_and_test(&bundle->ref, &r);

- _debug("PUT B=%x %u", d, u); - if (u == 0) + _debug("PUT B=%x %d", d, r - 1); + if (dead) rxrpc_free_bundle(bundle); }

@@ -169,7 +175,7 @@ rxrpc_alloc_client_connection(struct rxrpc_bundle *bundle, gfp_t gfp) return ERR_PTR(-ENOMEM); }

- atomic_set(&conn->usage, 1); + refcount_set(&conn->ref, 1); conn->bundle = bundle; conn->params = bundle->params; conn->out_clientflag = RXRPC_CLIENT_INITIATED; @@ -199,7 +205,7 @@ rxrpc_alloc_client_connection(struct rxrpc_bundle *bundle, gfp_t gfp) key_get(conn->params.key);

trace_rxrpc_conn(conn->debug_id, rxrpc_conn_new_client, - atomic_read(&conn->usage), + refcount_read(&conn->ref), __builtin_return_address(0));

atomic_inc(&rxnet->nr_client_conns); @@ -341,6 +347,7 @@ static struct rxrpc_bundle *rxrpc_look_up_bundle(struct rxrpc_conn_parameters *c rxrpc_free_bundle(candidate); found_bundle: rxrpc_get_bundle(bundle); + atomic_inc(&bundle->active); spin_unlock(&local->client_bundles_lock); _leave(" = %u [found]", bundle->debug_id); return bundle; @@ -438,6 +445,7 @@ static void rxrpc_add_conn_to_bundle(struct rxrpc_bundle *bundle, gfp_t gfp) if (old) trace_rxrpc_client(old, -1, rxrpc_client_replace); candidate->bundle_shift = shift; + atomic_inc(&bundle->active); bundle->conns[i] = candidate; for (j = 0; j < RXRPC_MAXCALLS; j++) set_bit(shift + j, &bundle->avail_chans); @@ -728,6 +736,7 @@ int rxrpc_connect_call(struct rxrpc_sock *rx, smp_rmb();

out_put_bundle: + rxrpc_deactivate_bundle(bundle); rxrpc_put_bundle(bundle); out: _leave(" = %d", ret); @@ -903,9 +912,8 @@ void rxrpc_disconnect_client_call(struct rxrpc_bundle *bundle, struct rxrpc_call static void rxrpc_unbundle_conn(struct rxrpc_connection *conn) { struct rxrpc_bundle *bundle = conn->bundle; - struct rxrpc_local *local = bundle->params.local; unsigned int bindex; - bool need_drop = false, need_put = false; + bool need_drop = false; int i;

_enter("C=%x", conn->debug_id); @@ -924,15 +932,22 @@ static void rxrpc_unbundle_conn(struct rxrpc_connection *conn) } spin_unlock(&bundle->channel_lock);

- /* If there are no more connections, remove the bundle */ - if (!bundle->avail_chans) { - _debug("maybe unbundle"); - spin_lock(&local->client_bundles_lock); + if (need_drop) { + rxrpc_deactivate_bundle(bundle); + rxrpc_put_connection(conn); + } +}

- for (i = 0; i < ARRAY_SIZE(bundle->conns); i++) - if (bundle->conns[i]) - break; - if (i == ARRAY_SIZE(bundle->conns) && !bundle->params.exclusive) { +/* + * Drop the active count on a bundle. + */ +static void rxrpc_deactivate_bundle(struct rxrpc_bundle *bundle) +{ + struct rxrpc_local *local = bundle->params.local; + bool need_put = false; + + if (atomic_dec_and_lock(&bundle->active, &local->client_bundles_lock)) { + if (!bundle->params.exclusive) { _debug("erase bundle"); rb_erase(&bundle->local_node, &local->client_bundles); need_put = true; @@ -942,10 +957,6 @@ static void rxrpc_unbundle_conn(struct rxrpc_connection *conn) if (need_put) rxrpc_put_bundle(bundle); } - - if (need_drop) - rxrpc_put_connection(conn); - _leave(""); }

/* @@ -972,14 +983,13 @@ void rxrpc_put_client_conn(struct rxrpc_connection *conn) { const void *here = __builtin_return_address(0); unsigned int debug_id = conn->debug_id; - int n; + bool dead; + int r;

- n = atomic_dec_return(&conn->usage); - trace_rxrpc_conn(debug_id, rxrpc_conn_put_client, n, here); - if (n <= 0) { - ASSERTCMP(n, >=, 0); + dead = __refcount_dec_and_test(&conn->ref, &r); + trace_rxrpc_conn(debug_id, rxrpc_conn_put_client, r - 1, here); + if (dead) rxrpc_kill_client_conn(conn); - } }

/* diff --git a/net/rxrpc/conn_object.c b/net/rxrpc/conn_object.c index 3ef05a0e90ad..d829b97550cc 100644 --- a/net/rxrpc/conn_object.c +++ b/net/rxrpc/conn_object.c @@ -105,7 +105,7 @@ struct rxrpc_connection *rxrpc_find_connection_rcu(struct rxrpc_local *local, goto not_found; *_peer = peer; conn = rxrpc_find_service_conn_rcu(peer, skb); - if (!conn || atomic_read(&conn->usage) == 0) + if (!conn || refcount_read(&conn->ref) == 0) goto not_found; _leave(" = %p", conn); return conn; @@ -115,7 +115,7 @@ struct rxrpc_connection *rxrpc_find_connection_rcu(struct rxrpc_local *local, */ conn = idr_find(&rxrpc_client_conn_ids, sp->hdr.cid >> RXRPC_CIDSHIFT); - if (!conn || atomic_read(&conn->usage) == 0) { + if (!conn || refcount_read(&conn->ref) == 0) { _debug("no conn"); goto not_found; } @@ -264,11 +264,12 @@ void rxrpc_kill_connection(struct rxrpc_connection *conn) bool rxrpc_queue_conn(struct rxrpc_connection *conn) { const void *here = __builtin_return_address(0); - int n = atomic_fetch_add_unless(&conn->usage, 1, 0); - if (n == 0) + int r; + + if (!__refcount_inc_not_zero(&conn->ref, &r)) return false; if (rxrpc_queue_work(&conn->processor)) - trace_rxrpc_conn(conn->debug_id, rxrpc_conn_queued, n + 1, here); + trace_rxrpc_conn(conn->debug_id, rxrpc_conn_queued, r + 1, here); else rxrpc_put_connection(conn); return true; @@ -281,7 +282,7 @@ void rxrpc_see_connection(struct rxrpc_connection *conn) { const void *here = __builtin_return_address(0); if (conn) { - int n = atomic_read(&conn->usage); + int n = refcount_read(&conn->ref);

trace_rxrpc_conn(conn->debug_id, rxrpc_conn_seen, n, here); } @@ -293,9 +294,10 @@ void rxrpc_see_connection(struct rxrpc_connection *conn) struct rxrpc_connection *rxrpc_get_connection(struct rxrpc_connection *conn) { const void *here = __builtin_return_address(0); - int n = atomic_inc_return(&conn->usage); + int r;

- trace_rxrpc_conn(conn->debug_id, rxrpc_conn_got, n, here); + __refcount_inc(&conn->ref, &r); + trace_rxrpc_conn(conn->debug_id, rxrpc_conn_got, r, here); return conn; }

@@ -306,11 +308,11 @@ struct rxrpc_connection * rxrpc_get_connection_maybe(struct rxrpc_connection *conn) { const void *here = __builtin_return_address(0); + int r;

if (conn) { - int n = atomic_fetch_add_unless(&conn->usage, 1, 0); - if (n > 0) - trace_rxrpc_conn(conn->debug_id, rxrpc_conn_got, n + 1, here); + if (__refcount_inc_not_zero(&conn->ref, &r)) + trace_rxrpc_conn(conn->debug_id, rxrpc_conn_got, r + 1, here); else conn = NULL; } @@ -334,12 +336,11 @@ void rxrpc_put_service_conn(struct rxrpc_connection *conn) { const void *here = __builtin_return_address(0); unsigned int debug_id = conn->debug_id; - int n; + int r;

- n = atomic_dec_return(&conn->usage); - trace_rxrpc_conn(debug_id, rxrpc_conn_put_service, n, here); - ASSERTCMP(n, >=, 0); - if (n == 1) + __refcount_dec(&conn->ref, &r); + trace_rxrpc_conn(debug_id, rxrpc_conn_put_service, r - 1, here); + if (r - 1 == 1) rxrpc_set_service_reap_timer(conn->params.local->rxnet, jiffies + rxrpc_connection_expiry); } @@ -352,9 +353,9 @@ static void rxrpc_destroy_connection(struct rcu_head *rcu) struct rxrpc_connection *conn = container_of(rcu, struct rxrpc_connection, rcu);

- _enter("{%d,u=%d}", conn->debug_id, atomic_read(&conn->usage)); + _enter("{%d,u=%d}", conn->debug_id, refcount_read(&conn->ref));

- ASSERTCMP(atomic_read(&conn->usage), ==, 0); + ASSERTCMP(refcount_read(&conn->ref), ==, 0);

_net("DESTROY CONN %d", conn->debug_id);

@@ -394,8 +395,8 @@ void rxrpc_service_connection_reaper(struct work_struct *work)

write_lock(&rxnet->conn_lock); list_for_each_entry_safe(conn, _p, &rxnet->service_conns, link) { - ASSERTCMP(atomic_read(&conn->usage), >, 0); - if (likely(atomic_read(&conn->usage) > 1)) + ASSERTCMP(refcount_read(&conn->ref), >, 0); + if (likely(refcount_read(&conn->ref) > 1)) continue; if (conn->state == RXRPC_CONN_SERVICE_PREALLOC) continue; @@ -407,7 +408,7 @@ void rxrpc_service_connection_reaper(struct work_struct *work) expire_at = idle_timestamp + rxrpc_closed_conn_expiry * HZ;

_debug("reap CONN %d { u=%d,t=%ld }", - conn->debug_id, atomic_read(&conn->usage), + conn->debug_id, refcount_read(&conn->ref), (long)expire_at - (long)now);

if (time_before(now, expire_at)) { @@ -420,7 +421,7 @@ void rxrpc_service_connection_reaper(struct work_struct *work) /* The usage count sits at 1 whilst the object is unused on the * list; we reduce that to 0 to make the object unavailable. */ - if (atomic_cmpxchg(&conn->usage, 1, 0) != 1) + if (!refcount_dec_if_one(&conn->ref)) continue; trace_rxrpc_conn(conn->debug_id, rxrpc_conn_reap_service, 0, NULL);

@@ -444,7 +445,7 @@ void rxrpc_service_connection_reaper(struct work_struct *work) link); list_del_init(&conn->link);

- ASSERTCMP(atomic_read(&conn->usage), ==, 0); + ASSERTCMP(refcount_read(&conn->ref), ==, 0); rxrpc_kill_connection(conn); }

@@ -472,7 +473,7 @@ void rxrpc_destroy_all_connections(struct rxrpc_net *rxnet) write_lock(&rxnet->conn_lock); list_for_each_entry_safe(conn, _p, &rxnet->service_conns, link) { pr_err("AF_RXRPC: Leaked conn %p {%d}\n", - conn, atomic_read(&conn->usage)); + conn, refcount_read(&conn->ref)); leak = true; } write_unlock(&rxnet->conn_lock); diff --git a/net/rxrpc/conn_service.c b/net/rxrpc/conn_service.c index 6c847720494f..68508166bbc0 100644 --- a/net/rxrpc/conn_service.c +++ b/net/rxrpc/conn_service.c @@ -9,7 +9,7 @@ #include "ar-internal.h"

static struct rxrpc_bundle rxrpc_service_dummy_bundle = { - .usage = ATOMIC_INIT(1), + .ref = REFCOUNT_INIT(1), .debug_id = UINT_MAX, .channel_lock = __SPIN_LOCK_UNLOCKED(&rxrpc_service_dummy_bundle.channel_lock), }; @@ -99,7 +99,7 @@ static void rxrpc_publish_service_conn(struct rxrpc_peer *peer, return;

found_extant_conn: - if (atomic_read(&cursor->usage) == 0) + if (refcount_read(&cursor->ref) == 0) goto replace_old_connection; write_sequnlock_bh(&peer->service_conn_lock); /* We should not be able to get here. rxrpc_incoming_connection() is @@ -132,7 +132,7 @@ struct rxrpc_connection *rxrpc_prealloc_service_connection(struct rxrpc_net *rxn * the rxrpc_connections list. */ conn->state = RXRPC_CONN_SERVICE_PREALLOC; - atomic_set(&conn->usage, 2); + refcount_set(&conn->ref, 2); conn->bundle = rxrpc_get_bundle(&rxrpc_service_dummy_bundle);

atomic_inc(&rxnet->nr_conns); @@ -142,7 +142,7 @@ struct rxrpc_connection *rxrpc_prealloc_service_connection(struct rxrpc_net *rxn write_unlock(&rxnet->conn_lock);

trace_rxrpc_conn(conn->debug_id, rxrpc_conn_new_service, - atomic_read(&conn->usage), + refcount_read(&conn->ref), __builtin_return_address(0)); }

diff --git a/net/rxrpc/input.c b/net/rxrpc/input.c index 1145cb14d86f..e9178115a744 100644 --- a/net/rxrpc/input.c +++ b/net/rxrpc/input.c @@ -1163,8 +1163,6 @@ static void rxrpc_post_packet_to_local(struct rxrpc_local *local, */ static void rxrpc_reject_packet(struct rxrpc_local *local, struct sk_buff *skb) { - CHECK_SLAB_OKAY(&local->usage); - if (rxrpc_get_local_maybe(local)) { skb_queue_tail(&local->reject_queue, skb); rxrpc_queue_local(local); @@ -1422,7 +1420,7 @@ int rxrpc_input_packet(struct sock *udp_sk, struct sk_buff *skb) } }

- if (!call || atomic_read(&call->usage) == 0) { + if (!call || refcount_read(&call->ref) == 0) { if (rxrpc_to_client(sp) || sp->hdr.type != RXRPC_PACKET_TYPE_DATA) goto bad_message; diff --git a/net/rxrpc/local_object.c b/net/rxrpc/local_object.c index ebbf1b03b62c..2c66ee981f39 100644 --- a/net/rxrpc/local_object.c +++ b/net/rxrpc/local_object.c @@ -78,10 +78,10 @@ static struct rxrpc_local *rxrpc_alloc_local(struct rxrpc_net *rxnet,

local = kzalloc(sizeof(struct rxrpc_local), GFP_KERNEL); if (local) { - atomic_set(&local->usage, 1); + refcount_set(&local->ref, 1); atomic_set(&local->active_users, 1); local->rxnet = rxnet; - INIT_LIST_HEAD(&local->link); + INIT_HLIST_NODE(&local->link); INIT_WORK(&local->processor, rxrpc_local_processor); init_rwsem(&local->defrag_sem); skb_queue_head_init(&local->reject_queue); @@ -199,7 +199,7 @@ struct rxrpc_local *rxrpc_lookup_local(struct net *net, { struct rxrpc_local *local; struct rxrpc_net *rxnet = rxrpc_net(net); - struct list_head *cursor; + struct hlist_node *cursor; const char *age; long diff; int ret; @@ -209,16 +209,12 @@ struct rxrpc_local *rxrpc_lookup_local(struct net *net,

mutex_lock(&rxnet->local_mutex);

- for (cursor = rxnet->local_endpoints.next; - cursor != &rxnet->local_endpoints; - cursor = cursor->next) { - local = list_entry(cursor, struct rxrpc_local, link); + hlist_for_each(cursor, &rxnet->local_endpoints) { + local = hlist_entry(cursor, struct rxrpc_local, link);

diff = rxrpc_local_cmp_key(local, srx); - if (diff < 0) + if (diff != 0) continue; - if (diff > 0) - break;

/* Services aren't allowed to share transport sockets, so * reject that here. It is possible that the object is dying - @@ -230,9 +226,10 @@ struct rxrpc_local *rxrpc_lookup_local(struct net *net, goto addr_in_use; }

- /* Found a match. We replace a dying object. Attempting to - * bind the transport socket may still fail if we're attempting - * to use a local address that the dying object is still using. + /* Found a match. We want to replace a dying object. + * Attempting to bind the transport socket may still fail if + * we're attempting to use a local address that the dying + * object is still using. */ if (!rxrpc_use_local(local)) break; @@ -249,10 +246,12 @@ struct rxrpc_local *rxrpc_lookup_local(struct net *net, if (ret < 0) goto sock_error;

- if (cursor != &rxnet->local_endpoints) - list_replace_init(cursor, &local->link); - else - list_add_tail(&local->link, cursor); + if (cursor) { + hlist_replace_rcu(cursor, &local->link); + cursor->pprev = NULL; + } else { + hlist_add_head_rcu(&local->link, &rxnet->local_endpoints); + } age = "new";

found: @@ -285,10 +284,10 @@ struct rxrpc_local *rxrpc_lookup_local(struct net *net, struct rxrpc_local *rxrpc_get_local(struct rxrpc_local *local) { const void *here = __builtin_return_address(0); - int n; + int r;

- n = atomic_inc_return(&local->usage); - trace_rxrpc_local(local->debug_id, rxrpc_local_got, n, here); + __refcount_inc(&local->ref, &r); + trace_rxrpc_local(local->debug_id, rxrpc_local_got, r + 1, here); return local; }

@@ -298,12 +297,12 @@ struct rxrpc_local *rxrpc_get_local(struct rxrpc_local *local) struct rxrpc_local *rxrpc_get_local_maybe(struct rxrpc_local *local) { const void *here = __builtin_return_address(0); + int r;

if (local) { - int n = atomic_fetch_add_unless(&local->usage, 1, 0); - if (n > 0) + if (__refcount_inc_not_zero(&local->ref, &r)) trace_rxrpc_local(local->debug_id, rxrpc_local_got, - n + 1, here); + r + 1, here); else local = NULL; } @@ -317,10 +316,10 @@ void rxrpc_queue_local(struct rxrpc_local *local) { const void *here = __builtin_return_address(0); unsigned int debug_id = local->debug_id; - int n = atomic_read(&local->usage); + int r = refcount_read(&local->ref);

if (rxrpc_queue_work(&local->processor)) - trace_rxrpc_local(debug_id, rxrpc_local_queued, n, here); + trace_rxrpc_local(debug_id, rxrpc_local_queued, r + 1, here); else rxrpc_put_local(local); } @@ -332,15 +331,16 @@ void rxrpc_put_local(struct rxrpc_local *local) { const void *here = __builtin_return_address(0); unsigned int debug_id; - int n; + bool dead; + int r;

if (local) { debug_id = local->debug_id;

- n = atomic_dec_return(&local->usage); - trace_rxrpc_local(debug_id, rxrpc_local_put, n, here); + dead = __refcount_dec_and_test(&local->ref, &r); + trace_rxrpc_local(debug_id, rxrpc_local_put, r, here);

- if (n == 0) + if (dead) call_rcu(&local->rcu, rxrpc_local_rcu); } } @@ -393,7 +393,7 @@ static void rxrpc_local_destroyer(struct rxrpc_local *local) local->dead = true;

mutex_lock(&rxnet->local_mutex); - list_del_init(&local->link); + hlist_del_init_rcu(&local->link); mutex_unlock(&rxnet->local_mutex);

rxrpc_clean_up_local_conns(local); @@ -428,7 +428,7 @@ static void rxrpc_local_processor(struct work_struct *work) return;

trace_rxrpc_local(local->debug_id, rxrpc_local_processing, - atomic_read(&local->usage), NULL); + refcount_read(&local->ref), NULL);

do { again = false; @@ -480,11 +480,11 @@ void rxrpc_destroy_all_locals(struct rxrpc_net *rxnet)

flush_workqueue(rxrpc_workqueue);

- if (!list_empty(&rxnet->local_endpoints)) { + if (!hlist_empty(&rxnet->local_endpoints)) { mutex_lock(&rxnet->local_mutex); - list_for_each_entry(local, &rxnet->local_endpoints, link) { + hlist_for_each_entry(local, &rxnet->local_endpoints, link) { pr_err("AF_RXRPC: Leaked local %p {%d}\n", - local, atomic_read(&local->usage)); + local, refcount_read(&local->ref)); } mutex_unlock(&rxnet->local_mutex); BUG(); diff --git a/net/rxrpc/net_ns.c b/net/rxrpc/net_ns.c index cc7e30733feb..34f389975a7d 100644 --- a/net/rxrpc/net_ns.c +++ b/net/rxrpc/net_ns.c @@ -72,7 +72,7 @@ static __net_init int rxrpc_init_net(struct net *net) timer_setup(&rxnet->client_conn_reap_timer, rxrpc_client_conn_reap_timeout, 0);

- INIT_LIST_HEAD(&rxnet->local_endpoints); + INIT_HLIST_HEAD(&rxnet->local_endpoints); mutex_init(&rxnet->local_mutex);

hash_init(rxnet->peer_hash); @@ -98,6 +98,9 @@ static __net_init int rxrpc_init_net(struct net *net) proc_create_net("peers", 0444, rxnet->proc_net, &rxrpc_peer_seq_ops, sizeof(struct seq_net_private)); + proc_create_net("locals", 0444, rxnet->proc_net, + &rxrpc_local_seq_ops, + sizeof(struct seq_net_private)); return 0;

err_proc: diff --git a/net/rxrpc/peer_object.c b/net/rxrpc/peer_object.c index 0298fe2ad6d3..26d2ae9baaf2 100644 --- a/net/rxrpc/peer_object.c +++ b/net/rxrpc/peer_object.c @@ -121,7 +121,7 @@ static struct rxrpc_peer *__rxrpc_lookup_peer_rcu(

hash_for_each_possible_rcu(rxnet->peer_hash, peer, hash_link, hash_key) { if (rxrpc_peer_cmp_key(peer, local, srx, hash_key) == 0 && - atomic_read(&peer->usage) > 0) + refcount_read(&peer->ref) > 0) return peer; }

@@ -140,7 +140,7 @@ struct rxrpc_peer *rxrpc_lookup_peer_rcu(struct rxrpc_local *local, peer = __rxrpc_lookup_peer_rcu(local, srx, hash_key); if (peer) { _net("PEER %d {%pISp}", peer->debug_id, &peer->srx.transport); - _leave(" = %p {u=%d}", peer, atomic_read(&peer->usage)); + _leave(" = %p {u=%d}", peer, refcount_read(&peer->ref)); } return peer; } @@ -216,7 +216,7 @@ struct rxrpc_peer *rxrpc_alloc_peer(struct rxrpc_local *local, gfp_t gfp)

peer = kzalloc(sizeof(struct rxrpc_peer), gfp); if (peer) { - atomic_set(&peer->usage, 1); + refcount_set(&peer->ref, 1); peer->local = rxrpc_get_local(local); INIT_HLIST_HEAD(&peer->error_targets); peer->service_conns = RB_ROOT; @@ -378,7 +378,7 @@ struct rxrpc_peer *rxrpc_lookup_peer(struct rxrpc_sock *rx,

_net("PEER %d {%pISp}", peer->debug_id, &peer->srx.transport);

- _leave(" = %p {u=%d}", peer, atomic_read(&peer->usage)); + _leave(" = %p {u=%d}", peer, refcount_read(&peer->ref)); return peer; }

@@ -388,10 +388,10 @@ struct rxrpc_peer *rxrpc_lookup_peer(struct rxrpc_sock *rx, struct rxrpc_peer *rxrpc_get_peer(struct rxrpc_peer *peer) { const void *here = __builtin_return_address(0); - int n; + int r;

- n = atomic_inc_return(&peer->usage); - trace_rxrpc_peer(peer->debug_id, rxrpc_peer_got, n, here); + __refcount_inc(&peer->ref, &r); + trace_rxrpc_peer(peer->debug_id, rxrpc_peer_got, r + 1, here); return peer; }

@@ -401,11 +401,11 @@ struct rxrpc_peer *rxrpc_get_peer(struct rxrpc_peer *peer) struct rxrpc_peer *rxrpc_get_peer_maybe(struct rxrpc_peer *peer) { const void *here = __builtin_return_address(0); + int r;

if (peer) { - int n = atomic_fetch_add_unless(&peer->usage, 1, 0); - if (n > 0) - trace_rxrpc_peer(peer->debug_id, rxrpc_peer_got, n + 1, here); + if (__refcount_inc_not_zero(&peer->ref, &r)) + trace_rxrpc_peer(peer->debug_id, rxrpc_peer_got, r + 1, here); else peer = NULL; } @@ -436,13 +436,14 @@ void rxrpc_put_peer(struct rxrpc_peer *peer) { const void *here = __builtin_return_address(0); unsigned int debug_id; - int n; + bool dead; + int r;

if (peer) { debug_id = peer->debug_id; - n = atomic_dec_return(&peer->usage); - trace_rxrpc_peer(debug_id, rxrpc_peer_put, n, here); - if (n == 0) + dead = __refcount_dec_and_test(&peer->ref, &r); + trace_rxrpc_peer(debug_id, rxrpc_peer_put, r - 1, here); + if (dead) __rxrpc_put_peer(peer); } } @@ -455,11 +456,12 @@ void rxrpc_put_peer_locked(struct rxrpc_peer *peer) { const void *here = __builtin_return_address(0); unsigned int debug_id = peer->debug_id; - int n; + bool dead; + int r;

- n = atomic_dec_return(&peer->usage); - trace_rxrpc_peer(debug_id, rxrpc_peer_put, n, here); - if (n == 0) { + dead = __refcount_dec_and_test(&peer->ref, &r); + trace_rxrpc_peer(debug_id, rxrpc_peer_put, r - 1, here); + if (dead) { hash_del_rcu(&peer->hash_link); list_del_init(&peer->keepalive_link); rxrpc_free_peer(peer); @@ -481,7 +483,7 @@ void rxrpc_destroy_all_peers(struct rxrpc_net *rxnet) hlist_for_each_entry(peer, &rxnet->peer_hash[i], hash_link) { pr_err("Leaked peer %u {%u} %pISp\n", peer->debug_id, - atomic_read(&peer->usage), + refcount_read(&peer->ref), &peer->srx.transport); } } diff --git a/net/rxrpc/proc.c b/net/rxrpc/proc.c index e2f990754f88..8967201fd8e5 100644 --- a/net/rxrpc/proc.c +++ b/net/rxrpc/proc.c @@ -107,7 +107,7 @@ static int rxrpc_call_seq_show(struct seq_file *seq, void *v) call->cid, call->call_id, rxrpc_is_service_call(call) ? "Svc" : "Clt", - atomic_read(&call->usage), + refcount_read(&call->ref), rxrpc_call_states[call->state], call->abort_code, call->debug_id, @@ -189,7 +189,7 @@ static int rxrpc_connection_seq_show(struct seq_file *seq, void *v) conn->service_id, conn->proto.cid, rxrpc_conn_is_service(conn) ? "Svc" : "Clt", - atomic_read(&conn->usage), + refcount_read(&conn->ref), rxrpc_conn_states[conn->state], key_serial(conn->params.key), atomic_read(&conn->serial), @@ -239,7 +239,7 @@ static int rxrpc_peer_seq_show(struct seq_file *seq, void *v) " %3u %5u %6llus %8u %8u\n", lbuff, rbuff, - atomic_read(&peer->usage), + refcount_read(&peer->ref), peer->cong_cwnd, peer->mtu, now - peer->last_tx_at, @@ -334,3 +334,72 @@ const struct seq_operations rxrpc_peer_seq_ops = { .stop = rxrpc_peer_seq_stop, .show = rxrpc_peer_seq_show, }; + +/* + * Generate a list of extant virtual local endpoints in /proc/net/rxrpc/locals + */ +static int rxrpc_local_seq_show(struct seq_file *seq, void *v) +{ + struct rxrpc_local *local; + char lbuff[50]; + + if (v == SEQ_START_TOKEN) { + seq_puts(seq, + "Proto Local " + " Use Act\n"); + return 0; + } + + local = hlist_entry(v, struct rxrpc_local, link); + + sprintf(lbuff, "%pISpc", &local->srx.transport); + + seq_printf(seq, + "UDP %-47.47s %3u %3u\n", + lbuff, + refcount_read(&local->ref), + atomic_read(&local->active_users)); + + return 0; +} + +static void *rxrpc_local_seq_start(struct seq_file *seq, loff_t *_pos) + __acquires(rcu) +{ + struct rxrpc_net *rxnet = rxrpc_net(seq_file_net(seq)); + unsigned int n; + + rcu_read_lock(); + + if (*_pos >= UINT_MAX) + return NULL; + + n = *_pos; + if (n == 0) + return SEQ_START_TOKEN; + + return seq_hlist_start_rcu(&rxnet->local_endpoints, n - 1); +} + +static void *rxrpc_local_seq_next(struct seq_file *seq, void *v, loff_t *_pos) +{ + struct rxrpc_net *rxnet = rxrpc_net(seq_file_net(seq)); + + if (*_pos >= UINT_MAX) + return NULL; + + return seq_hlist_next_rcu(v, &rxnet->local_endpoints, _pos); +} + +static void rxrpc_local_seq_stop(struct seq_file *seq, void *v) + __releases(rcu) +{ + rcu_read_unlock(); +} + +const struct seq_operations rxrpc_local_seq_ops = { + .start = rxrpc_local_seq_start, + .next = rxrpc_local_seq_next, + .stop = rxrpc_local_seq_stop, + .show = rxrpc_local_seq_show, +}; diff --git a/net/rxrpc/skbuff.c b/net/rxrpc/skbuff.c index 0348d2bf6f7d..580a5acffee7 100644 --- a/net/rxrpc/skbuff.c +++ b/net/rxrpc/skbuff.c @@ -71,7 +71,6 @@ void rxrpc_free_skb(struct sk_buff *skb, enum rxrpc_skb_trace op) const void *here = __builtin_return_address(0); if (skb) { int n; - CHECK_SLAB_OKAY(&skb->users); n = atomic_dec_return(select_skb_count(skb)); trace_rxrpc_skb(skb, op, refcount_read(&skb->users), n, rxrpc_skb(skb)->rx_flags, here); diff --git a/net/sched/Kconfig b/net/sched/Kconfig index d762e89ab74f..bc4e5da76fa6 100644 --- a/net/sched/Kconfig +++ b/net/sched/Kconfig @@ -976,7 +976,7 @@ config NET_ACT_TUNNEL_KEY

config NET_ACT_CT tristate "connection tracking tc action" - depends on NET_CLS_ACT && NF_CONNTRACK && NF_NAT && NF_FLOW_TABLE + depends on NET_CLS_ACT && NF_CONNTRACK && (!NF_NAT || NF_NAT) && NF_FLOW_TABLE help Say Y here to allow sending the packets to conntrack module.

diff --git a/net/sched/act_connmark.c b/net/sched/act_connmark.c index e19885d7fe2c..31d268eedf3f 100644 --- a/net/sched/act_connmark.c +++ b/net/sched/act_connmark.c @@ -62,7 +62,7 @@ static int tcf_connmark_act(struct sk_buff *skb, const struct tc_action *a,

c = nf_ct_get(skb, &ctinfo); if (c) { - skb->mark = c->mark; + skb->mark = READ_ONCE(c->mark); /* using overlimits stats to count how many packets marked */ ca->tcf_qstats.overlimits++; goto out; @@ -82,7 +82,7 @@ static int tcf_connmark_act(struct sk_buff *skb, const struct tc_action *a, c = nf_ct_tuplehash_to_ctrack(thash); /* using overlimits stats to count how many packets marked */ ca->tcf_qstats.overlimits++; - skb->mark = c->mark; + skb->mark = READ_ONCE(c->mark); nf_ct_put(c);

out: diff --git a/net/sched/act_ct.c b/net/sched/act_ct.c index f7e88d7466c3..2d41d866de3e 100644 --- a/net/sched/act_ct.c +++ b/net/sched/act_ct.c @@ -177,7 +177,7 @@ static void tcf_ct_flow_table_add_action_meta(struct nf_conn *ct, entry = tcf_ct_flow_table_flow_action_get_next(action); entry->id = FLOW_ACTION_CT_METADATA; #if IS_ENABLED(CONFIG_NF_CONNTRACK_MARK) - entry->ct_metadata.mark = ct->mark; + entry->ct_metadata.mark = READ_ONCE(ct->mark); #endif ctinfo = dir == IP_CT_DIR_ORIGINAL ? IP_CT_ESTABLISHED : IP_CT_ESTABLISHED_REPLY; @@ -843,9 +843,9 @@ static void tcf_ct_act_set_mark(struct nf_conn *ct, u32 mark, u32 mask) if (!mask) return;

- new_mark = mark | (ct->mark & ~(mask)); - if (ct->mark != new_mark) { - ct->mark = new_mark; + new_mark = mark | (READ_ONCE(ct->mark) & ~(mask)); + if (READ_ONCE(ct->mark) != new_mark) { + WRITE_ONCE(ct->mark, new_mark); if (nf_ct_is_confirmed(ct)) nf_conntrack_event_cache(IPCT_MARK, ct); } diff --git a/net/sched/act_ctinfo.c b/net/sched/act_ctinfo.c index b20c8ce59905..06c74f22ab98 100644 --- a/net/sched/act_ctinfo.c +++ b/net/sched/act_ctinfo.c @@ -33,7 +33,7 @@ static void tcf_ctinfo_dscp_set(struct nf_conn *ct, struct tcf_ctinfo *ca, { u8 dscp, newdscp;

- newdscp = (((ct->mark & cp->dscpmask) >> cp->dscpmaskshift) << 2) & + newdscp = (((READ_ONCE(ct->mark) & cp->dscpmask) >> cp->dscpmaskshift) << 2) & ~INET_ECN_MASK;

switch (proto) { @@ -73,7 +73,7 @@ static void tcf_ctinfo_cpmark_set(struct nf_conn *ct, struct tcf_ctinfo *ca, struct sk_buff *skb) { ca->stats_cpmark_set++; - skb->mark = ct->mark & cp->cpmarkmask; + skb->mark = READ_ONCE(ct->mark) & cp->cpmarkmask; }

static int tcf_ctinfo_act(struct sk_buff *skb, const struct tc_action *a, @@ -131,7 +131,7 @@ static int tcf_ctinfo_act(struct sk_buff *skb, const struct tc_action *a, }

if (cp->mode & CTINFO_MODE_DSCP) - if (!cp->dscpstatemask || (ct->mark & cp->dscpstatemask)) + if (!cp->dscpstatemask || (READ_ONCE(ct->mark) & cp->dscpstatemask)) tcf_ctinfo_dscp_set(ct, ca, cp, skb, wlen, proto);

if (cp->mode & CTINFO_MODE_CPMARK) diff --git a/net/tipc/discover.c b/net/tipc/discover.c index 2ae268b67465..2730310249e3 100644 --- a/net/tipc/discover.c +++ b/net/tipc/discover.c @@ -210,7 +210,10 @@ void tipc_disc_rcv(struct net *net, struct sk_buff *skb, u32 self; int err;

- skb_linearize(skb); + if (skb_linearize(skb)) { + kfree_skb(skb); + return; + } hdr = buf_msg(skb);

if (caps & TIPC_NODE_ID128) diff --git a/net/tipc/topsrv.c b/net/tipc/topsrv.c index 561e709ae06a..89d8a2bd30cd 100644 --- a/net/tipc/topsrv.c +++ b/net/tipc/topsrv.c @@ -176,7 +176,7 @@ static void tipc_conn_close(struct tipc_conn *con) conn_put(con); }

-static struct tipc_conn *tipc_conn_alloc(struct tipc_topsrv *s) +static struct tipc_conn *tipc_conn_alloc(struct tipc_topsrv *s, struct socket *sock) { struct tipc_conn *con; int ret; @@ -202,10 +202,12 @@ static struct tipc_conn *tipc_conn_alloc(struct tipc_topsrv *s) } con->conid = ret; s->idr_in_use++; - spin_unlock_bh(&s->idr_lock);

set_bit(CF_CONNECTED, &con->flags); con->server = s; + con->sock = sock; + conn_get(con); + spin_unlock_bh(&s->idr_lock);

return con; } @@ -467,7 +469,7 @@ static void tipc_topsrv_accept(struct work_struct *work) ret = kernel_accept(lsock, &newsock, O_NONBLOCK); if (ret < 0) return; - con = tipc_conn_alloc(srv); + con = tipc_conn_alloc(srv, newsock); if (IS_ERR(con)) { ret = PTR_ERR(con); sock_release(newsock); @@ -479,11 +481,11 @@ static void tipc_topsrv_accept(struct work_struct *work) newsk->sk_data_ready = tipc_conn_data_ready; newsk->sk_write_space = tipc_conn_write_space; newsk->sk_user_data = con; - con->sock = newsock; write_unlock_bh(&newsk->sk_callback_lock);

/* Wake up receive process in case of 'SYN+' message */ newsk->sk_data_ready(newsk); + conn_put(con); } }

@@ -577,17 +579,17 @@ bool tipc_topsrv_kern_subscr(struct net *net, u32 port, u32 type, u32 lower, sub.filter = filter; *(u64 *)&sub.usr_handle = (u64)port;

- con = tipc_conn_alloc(tipc_topsrv(net)); + con = tipc_conn_alloc(tipc_topsrv(net), NULL); if (IS_ERR(con)) return false;

*conid = con->conid; - con->sock = NULL; rc = tipc_conn_rcv_sub(tipc_topsrv(net), con, &sub); - if (rc >= 0) - return true; + if (rc) + conn_put(con); + conn_put(con); - return false; + return !rc; }

void tipc_topsrv_kern_unsubscr(struct net *net, int conid) diff --git a/net/xfrm/xfrm_device.c b/net/xfrm/xfrm_device.c index c255aac6b816..8b8e957a69c3 100644 --- a/net/xfrm/xfrm_device.c +++ b/net/xfrm/xfrm_device.c @@ -97,6 +97,18 @@ static void xfrm_outer_mode_prep(struct xfrm_state *x, struct sk_buff *skb) } }

+static inline bool xmit_xfrm_check_overflow(struct sk_buff *skb) +{ + struct xfrm_offload *xo = xfrm_offload(skb); + __u32 seq = xo->seq.low; + + seq += skb_shinfo(skb)->gso_segs; + if (unlikely(seq < xo->seq.low)) + return true; + + return false; +} + struct sk_buff *validate_xmit_xfrm(struct sk_buff *skb, netdev_features_t features, bool *again) { int err; @@ -134,7 +146,8 @@ struct sk_buff *validate_xmit_xfrm(struct sk_buff *skb, netdev_features_t featur return skb; }

- if (skb_is_gso(skb) && unlikely(x->xso.dev != dev)) { + if (skb_is_gso(skb) && (unlikely(x->xso.dev != dev) || + unlikely(xmit_xfrm_check_overflow(skb)))) { struct sk_buff *segs;

/* Packet got rerouted, fixup features and segment it. */ diff --git a/net/xfrm/xfrm_replay.c b/net/xfrm/xfrm_replay.c index c6a4338a0d08..65d009e3b6bb 100644 --- a/net/xfrm/xfrm_replay.c +++ b/net/xfrm/xfrm_replay.c @@ -657,7 +657,7 @@ static int xfrm_replay_overflow_offload_esn(struct xfrm_state *x, struct sk_buff oseq += skb_shinfo(skb)->gso_segs; }

- if (unlikely(oseq < replay_esn->oseq)) { + if (unlikely(xo->seq.low < replay_esn->oseq)) { XFRM_SKB_CB(skb)->seq.output.hi = ++oseq_hi; xo->seq.hi = oseq_hi; replay_esn->oseq_hi = oseq_hi; diff --git a/sound/soc/codecs/hdac_hda.h b/sound/soc/codecs/hdac_hda.h index d0efc5e254ae..da0ed74758b0 100644 --- a/sound/soc/codecs/hdac_hda.h +++ b/sound/soc/codecs/hdac_hda.h @@ -14,7 +14,7 @@ enum { HDAC_HDMI_1_DAI_ID, HDAC_HDMI_2_DAI_ID, HDAC_HDMI_3_DAI_ID, - HDAC_LAST_DAI_ID = HDAC_HDMI_3_DAI_ID, + HDAC_DAI_ID_NUM };

struct hdac_hda_pcm { @@ -24,7 +24,7 @@ struct hdac_hda_pcm {

struct hdac_hda_priv { struct hda_codec codec; - struct hdac_hda_pcm pcm[HDAC_LAST_DAI_ID]; + struct hdac_hda_pcm pcm[HDAC_DAI_ID_NUM]; bool need_display_power; };

diff --git a/sound/soc/codecs/sgtl5000.c b/sound/soc/codecs/sgtl5000.c index f066e016a874..edde0323799a 100644 --- a/sound/soc/codecs/sgtl5000.c +++ b/sound/soc/codecs/sgtl5000.c @@ -1797,6 +1797,7 @@ static int sgtl5000_i2c_remove(struct i2c_client *client) { struct sgtl5000_priv *sgtl5000 = i2c_get_clientdata(client);

+ regmap_write(sgtl5000->regmap, SGTL5000_CHIP_CLK_CTRL, SGTL5000_CHIP_CLK_CTRL_DEFAULT); regmap_write(sgtl5000->regmap, SGTL5000_CHIP_DIG_POWER, SGTL5000_DIG_POWER_DEFAULT); regmap_write(sgtl5000->regmap, SGTL5000_CHIP_ANA_POWER, SGTL5000_ANA_POWER_DEFAULT);

diff --git a/sound/soc/intel/boards/bytcht_es8316.c b/sound/soc/intel/boards/bytcht_es8316.c index 7ed869bf1a92..81269ed5a2aa 100644 --- a/sound/soc/intel/boards/bytcht_es8316.c +++ b/sound/soc/intel/boards/bytcht_es8316.c @@ -450,6 +450,13 @@ static const struct dmi_system_id byt_cht_es8316_quirk_table[] = { | BYT_CHT_ES8316_INTMIC_IN2_MAP | BYT_CHT_ES8316_JD_INVERTED), }, + { /* Nanote UMPC-01 */ + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "RWC CO.,LTD"), + DMI_MATCH(DMI_PRODUCT_NAME, "UMPC-01"), + }, + .driver_data = (void *)BYT_CHT_ES8316_INTMIC_IN1_MAP, + }, { /* Teclast X98 Plus II */ .matches = { DMI_MATCH(DMI_SYS_VENDOR, "TECLAST"), diff --git a/sound/soc/soc-pcm.c b/sound/soc/soc-pcm.c index 8b8a9aca2912..0e2261ee07b6 100644 --- a/sound/soc/soc-pcm.c +++ b/sound/soc/soc-pcm.c @@ -723,11 +723,6 @@ static int soc_pcm_open(struct snd_pcm_substream *substream) ret = snd_soc_dai_startup(dai, substream); if (ret < 0) goto err; - - if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) - dai->tx_mask = 0; - else - dai->rx_mask = 0; }

/* Dynamic PCM DAI links compat checks use dynamic capabilities */ diff --git a/tools/testing/selftests/bpf/verifier/ref_tracking.c b/tools/testing/selftests/bpf/verifier/ref_tracking.c index 006b5bd99c08..525d810b10b8 100644 --- a/tools/testing/selftests/bpf/verifier/ref_tracking.c +++ b/tools/testing/selftests/bpf/verifier/ref_tracking.c @@ -901,3 +901,39 @@ .result_unpriv = REJECT, .errstr_unpriv = "unknown func", }, +{ + "reference tracking: try to leak released ptr reg", + .insns = { + BPF_MOV64_IMM(BPF_REG_0, 0), + BPF_STX_MEM(BPF_W, BPF_REG_10, BPF_REG_0, -4), + BPF_MOV64_REG(BPF_REG_2, BPF_REG_10), + BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -4), + BPF_LD_MAP_FD(BPF_REG_1, 0), + BPF_EMIT_CALL(BPF_FUNC_map_lookup_elem), + BPF_JMP_IMM(BPF_JNE, BPF_REG_0, 0, 1), + BPF_EXIT_INSN(), + BPF_MOV64_REG(BPF_REG_9, BPF_REG_0), + + BPF_MOV64_IMM(BPF_REG_0, 0), + BPF_LD_MAP_FD(BPF_REG_1, 0), + BPF_MOV64_IMM(BPF_REG_2, 8), + BPF_MOV64_IMM(BPF_REG_3, 0), + BPF_EMIT_CALL(BPF_FUNC_ringbuf_reserve), + BPF_JMP_IMM(BPF_JNE, BPF_REG_0, 0, 1), + BPF_EXIT_INSN(), + BPF_MOV64_REG(BPF_REG_8, BPF_REG_0), + + BPF_MOV64_REG(BPF_REG_1, BPF_REG_8), + BPF_MOV64_IMM(BPF_REG_2, 0), + BPF_EMIT_CALL(BPF_FUNC_ringbuf_discard), + BPF_MOV64_IMM(BPF_REG_0, 0), + + BPF_STX_MEM(BPF_DW, BPF_REG_9, BPF_REG_8, 0), + BPF_EXIT_INSN() + }, + .fixup_map_array_48b = { 4 }, + .fixup_map_ringbuf = { 11 }, + .result = ACCEPT, + .result_unpriv = REJECT, + .errstr_unpriv = "R8 !read_ok" +},