diff options
| -rw-r--r-- | 0000_README | 4 | ||||
| -rw-r--r-- | 1174_linux-4.14.175.patch | 4354 |
2 files changed, 4358 insertions, 0 deletions
diff --git a/0000_README b/0000_README index 37451f30..babf0323 100644 --- a/0000_README +++ b/0000_README @@ -739,6 +739,10 @@ Patch: 1173_linux-4.14.174.patch From: https://www.kernel.org Desc: Linux 4.14.174 +Patch: 1174_linux-4.14.175.patch +From: https://www.kernel.org +Desc: Linux 4.14.175 + Patch: 1500_XATTR_USER_PREFIX.patch From: https://bugs.gentoo.org/show_bug.cgi?id=470644 Desc: Support for namespace user.pax.* on tmpfs. diff --git a/1174_linux-4.14.175.patch b/1174_linux-4.14.175.patch new file mode 100644 index 00000000..ba46f78b --- /dev/null +++ b/1174_linux-4.14.175.patch @@ -0,0 +1,4354 @@ +diff --git a/Documentation/devicetree/bindings/net/fsl-fman.txt b/Documentation/devicetree/bindings/net/fsl-fman.txt +index df873d1f3b7c..2aaae210317b 100644 +--- a/Documentation/devicetree/bindings/net/fsl-fman.txt ++++ b/Documentation/devicetree/bindings/net/fsl-fman.txt +@@ -110,6 +110,13 @@ PROPERTIES + Usage: required + Definition: See soc/fsl/qman.txt and soc/fsl/bman.txt + ++- fsl,erratum-a050385 ++ Usage: optional ++ Value type: boolean ++ Definition: A boolean property. Indicates the presence of the ++ erratum A050385 which indicates that DMA transactions that are ++ split can result in a FMan lock. ++ + ============================================================================= + FMan MURAM Node + +diff --git a/Makefile b/Makefile +index edc6b62bd892..3b792208fbc2 100644 +--- a/Makefile ++++ b/Makefile +@@ -1,7 +1,7 @@ + # SPDX-License-Identifier: GPL-2.0 + VERSION = 4 + PATCHLEVEL = 14 +-SUBLEVEL = 174 ++SUBLEVEL = 175 + EXTRAVERSION = + NAME = Petit Gorille + +diff --git a/arch/arm/boot/dts/bcm2835-rpi-zero-w.dts b/arch/arm/boot/dts/bcm2835-rpi-zero-w.dts +index b8565fc33eea..e5f2cca86f04 100644 +--- a/arch/arm/boot/dts/bcm2835-rpi-zero-w.dts ++++ b/arch/arm/boot/dts/bcm2835-rpi-zero-w.dts +@@ -118,6 +118,7 @@ + &sdhci { + #address-cells = <1>; + #size-cells = <0>; ++ pinctrl-names = "default"; + pinctrl-0 = <&emmc_gpio34 &gpclk2_gpio43>; + mmc-pwrseq = <&wifi_pwrseq>; + non-removable; +diff --git a/arch/arm/boot/dts/dra7.dtsi b/arch/arm/boot/dts/dra7.dtsi +index fec965009b9f..f271c564d57d 100644 +--- a/arch/arm/boot/dts/dra7.dtsi ++++ b/arch/arm/boot/dts/dra7.dtsi +@@ -137,6 +137,7 @@ + #address-cells = <1>; + #size-cells = <1>; + ranges = <0x0 0x0 0x0 0xc0000000>; ++ dma-ranges = <0x80000000 0x0 0x80000000 0x80000000>; + ti,hwmods = "l3_main_1", "l3_main_2"; + reg = <0x0 0x44000000 0x0 0x1000000>, + <0x0 0x45000000 0x0 0x1000>; +@@ -302,6 +303,7 @@ + device_type = "pci"; + ranges = <0x81000000 0 0 0x03000 0 0x00010000 + 0x82000000 0 0x20013000 0x13000 0 0xffed000>; ++ dma-ranges = <0x02000000 0x0 0x00000000 0x00000000 0x1 0x00000000>; + bus-range = <0x00 0xff>; + #interrupt-cells = <1>; + num-lanes = <1>; +@@ -356,6 +358,7 @@ + device_type = "pci"; + ranges = <0x81000000 0 0 0x03000 0 0x00010000 + 0x82000000 0 0x30013000 0x13000 0 0xffed000>; ++ dma-ranges = <0x02000000 0x0 0x00000000 0x00000000 0x1 0x00000000>; + bus-range = <0x00 0xff>; + #interrupt-cells = <1>; + num-lanes = <1>; +diff --git a/arch/arm/boot/dts/omap5.dtsi b/arch/arm/boot/dts/omap5.dtsi +index eaff2a5751dd..bc3f53c79e9d 100644 +--- a/arch/arm/boot/dts/omap5.dtsi ++++ b/arch/arm/boot/dts/omap5.dtsi +@@ -131,6 +131,7 @@ + #address-cells = <1>; + #size-cells = <1>; + ranges = <0 0 0 0xc0000000>; ++ dma-ranges = <0x80000000 0x0 0x80000000 0x80000000>; + ti,hwmods = "l3_main_1", "l3_main_2", "l3_main_3"; + reg = <0 0x44000000 0 0x2000>, + <0 0x44800000 0 0x3000>, +diff --git a/arch/arm/boot/dts/ox810se.dtsi b/arch/arm/boot/dts/ox810se.dtsi +index 46aa6db8353a..3d2f91234f1a 100644 +--- a/arch/arm/boot/dts/ox810se.dtsi ++++ b/arch/arm/boot/dts/ox810se.dtsi +@@ -322,8 +322,8 @@ + interrupt-controller; + reg = <0 0x200>; + #interrupt-cells = <1>; +- valid-mask = <0xFFFFFFFF>; +- clear-mask = <0>; ++ valid-mask = <0xffffffff>; ++ clear-mask = <0xffffffff>; + }; + + timer0: timer@200 { +diff --git a/arch/arm/boot/dts/ox820.dtsi b/arch/arm/boot/dts/ox820.dtsi +index 459207536a46..8355cb034525 100644 +--- a/arch/arm/boot/dts/ox820.dtsi ++++ b/arch/arm/boot/dts/ox820.dtsi +@@ -239,8 +239,8 @@ + reg = <0 0x200>; + interrupts = <GIC_SPI 5 IRQ_TYPE_LEVEL_HIGH>; + #interrupt-cells = <1>; +- valid-mask = <0xFFFFFFFF>; +- clear-mask = <0>; ++ valid-mask = <0xffffffff>; ++ clear-mask = <0xffffffff>; + }; + + timer0: timer@200 { +diff --git a/arch/arm64/boot/dts/freescale/fsl-ls1043-post.dtsi b/arch/arm64/boot/dts/freescale/fsl-ls1043-post.dtsi +index 169e171407a6..acd205ef329f 100644 +--- a/arch/arm64/boot/dts/freescale/fsl-ls1043-post.dtsi ++++ b/arch/arm64/boot/dts/freescale/fsl-ls1043-post.dtsi +@@ -21,6 +21,8 @@ + }; + + &fman0 { ++ fsl,erratum-a050385; ++ + /* these aliases provide the FMan ports mapping */ + enet0: ethernet@e0000 { + }; +diff --git a/arch/arm64/boot/dts/freescale/fsl-ls1043a-rdb.dts b/arch/arm64/boot/dts/freescale/fsl-ls1043a-rdb.dts +index 3dc0c8e9663d..3aead63e5475 100644 +--- a/arch/arm64/boot/dts/freescale/fsl-ls1043a-rdb.dts ++++ b/arch/arm64/boot/dts/freescale/fsl-ls1043a-rdb.dts +@@ -155,12 +155,12 @@ + + ethernet@e4000 { + phy-handle = <&rgmii_phy1>; +- phy-connection-type = "rgmii-txid"; ++ phy-connection-type = "rgmii-id"; + }; + + ethernet@e6000 { + phy-handle = <&rgmii_phy2>; +- phy-connection-type = "rgmii-txid"; ++ phy-connection-type = "rgmii-id"; + }; + + ethernet@e8000 { +diff --git a/arch/arm64/boot/dts/freescale/fsl-ls1046a-rdb.dts b/arch/arm64/boot/dts/freescale/fsl-ls1046a-rdb.dts +index 5dc2782e2a58..e775e59d0370 100644 +--- a/arch/arm64/boot/dts/freescale/fsl-ls1046a-rdb.dts ++++ b/arch/arm64/boot/dts/freescale/fsl-ls1046a-rdb.dts +@@ -162,12 +162,12 @@ + &fman0 { + ethernet@e4000 { + phy-handle = <&rgmii_phy1>; +- phy-connection-type = "rgmii"; ++ phy-connection-type = "rgmii-id"; + }; + + ethernet@e6000 { + phy-handle = <&rgmii_phy2>; +- phy-connection-type = "rgmii"; ++ phy-connection-type = "rgmii-id"; + }; + + ethernet@e8000 { +diff --git a/arch/arm64/include/asm/alternative.h b/arch/arm64/include/asm/alternative.h +index 4cd4a793dc32..4ed869845a23 100644 +--- a/arch/arm64/include/asm/alternative.h ++++ b/arch/arm64/include/asm/alternative.h +@@ -216,7 +216,7 @@ alternative_endif + + .macro user_alt, label, oldinstr, newinstr, cond + 9999: alternative_insn "\oldinstr", "\newinstr", \cond +- _ASM_EXTABLE 9999b, \label ++ _asm_extable 9999b, \label + .endm + + /* +diff --git a/arch/arm64/kernel/ptrace.c b/arch/arm64/kernel/ptrace.c +index e230b4dff960..e8574b95bda8 100644 +--- a/arch/arm64/kernel/ptrace.c ++++ b/arch/arm64/kernel/ptrace.c +@@ -833,6 +833,7 @@ static int compat_gpr_get(struct task_struct *target, + break; + case 16: + reg = task_pt_regs(target)->pstate; ++ reg = pstate_to_compat_psr(reg); + break; + case 17: + reg = task_pt_regs(target)->orig_x0; +@@ -900,6 +901,7 @@ static int compat_gpr_set(struct task_struct *target, + newregs.pc = reg; + break; + case 16: ++ reg = compat_psr_to_pstate(reg); + newregs.pstate = reg; + break; + case 17: +diff --git a/arch/arm64/kernel/signal32.c b/arch/arm64/kernel/signal32.c +index e09bf5d15606..3832750cee8b 100644 +--- a/arch/arm64/kernel/signal32.c ++++ b/arch/arm64/kernel/signal32.c +@@ -321,6 +321,7 @@ static int compat_restore_sigframe(struct pt_regs *regs, + int err; + sigset_t set; + struct compat_aux_sigframe __user *aux; ++ unsigned long psr; + + err = get_sigset_t(&set, &sf->uc.uc_sigmask); + if (err == 0) { +@@ -344,7 +345,9 @@ static int compat_restore_sigframe(struct pt_regs *regs, + __get_user_error(regs->compat_sp, &sf->uc.uc_mcontext.arm_sp, err); + __get_user_error(regs->compat_lr, &sf->uc.uc_mcontext.arm_lr, err); + __get_user_error(regs->pc, &sf->uc.uc_mcontext.arm_pc, err); +- __get_user_error(regs->pstate, &sf->uc.uc_mcontext.arm_cpsr, err); ++ __get_user_error(psr, &sf->uc.uc_mcontext.arm_cpsr, err); ++ ++ regs->pstate = compat_psr_to_pstate(psr); + + /* + * Avoid compat_sys_sigreturn() restarting. +@@ -500,6 +503,7 @@ static int compat_setup_sigframe(struct compat_sigframe __user *sf, + struct pt_regs *regs, sigset_t *set) + { + struct compat_aux_sigframe __user *aux; ++ unsigned long psr = pstate_to_compat_psr(regs->pstate); + int err = 0; + + __put_user_error(regs->regs[0], &sf->uc.uc_mcontext.arm_r0, err); +@@ -518,7 +522,7 @@ static int compat_setup_sigframe(struct compat_sigframe __user *sf, + __put_user_error(regs->compat_sp, &sf->uc.uc_mcontext.arm_sp, err); + __put_user_error(regs->compat_lr, &sf->uc.uc_mcontext.arm_lr, err); + __put_user_error(regs->pc, &sf->uc.uc_mcontext.arm_pc, err); +- __put_user_error(regs->pstate, &sf->uc.uc_mcontext.arm_cpsr, err); ++ __put_user_error(psr, &sf->uc.uc_mcontext.arm_cpsr, err); + + __put_user_error((compat_ulong_t)0, &sf->uc.uc_mcontext.trap_no, err); + /* set the compat FSR WnR */ +diff --git a/arch/arm64/kernel/smp.c b/arch/arm64/kernel/smp.c +index 909bf3926fd2..cfb5a6ad7865 100644 +--- a/arch/arm64/kernel/smp.c ++++ b/arch/arm64/kernel/smp.c +@@ -913,11 +913,22 @@ void tick_broadcast(const struct cpumask *mask) + } + #endif + ++/* ++ * The number of CPUs online, not counting this CPU (which may not be ++ * fully online and so not counted in num_online_cpus()). ++ */ ++static inline unsigned int num_other_online_cpus(void) ++{ ++ unsigned int this_cpu_online = cpu_online(smp_processor_id()); ++ ++ return num_online_cpus() - this_cpu_online; ++} ++ + void smp_send_stop(void) + { + unsigned long timeout; + +- if (num_online_cpus() > 1) { ++ if (num_other_online_cpus()) { + cpumask_t mask; + + cpumask_copy(&mask, cpu_online_mask); +@@ -930,10 +941,10 @@ void smp_send_stop(void) + + /* Wait up to one second for other CPUs to stop */ + timeout = USEC_PER_SEC; +- while (num_online_cpus() > 1 && timeout--) ++ while (num_other_online_cpus() && timeout--) + udelay(1); + +- if (num_online_cpus() > 1) ++ if (num_other_online_cpus()) + pr_warning("SMP: failed to stop secondary CPUs %*pbl\n", + cpumask_pr_args(cpu_online_mask)); + } +@@ -954,13 +965,17 @@ void crash_smp_send_stop(void) + + cpus_stopped = 1; + +- if (num_online_cpus() == 1) ++ /* ++ * If this cpu is the only one alive at this point in time, online or ++ * not, there are no stop messages to be sent around, so just back out. ++ */ ++ if (num_other_online_cpus() == 0) + return; + + cpumask_copy(&mask, cpu_online_mask); + cpumask_clear_cpu(smp_processor_id(), &mask); + +- atomic_set(&waiting_for_crash_ipi, num_online_cpus() - 1); ++ atomic_set(&waiting_for_crash_ipi, num_other_online_cpus()); + + pr_crit("SMP: stopping secondary CPUs\n"); + smp_cross_call(&mask, IPI_CPU_CRASH_STOP); +diff --git a/arch/powerpc/kernel/vmlinux.lds.S b/arch/powerpc/kernel/vmlinux.lds.S +index b0cf4af7ba84..e4da937d6cf9 100644 +--- a/arch/powerpc/kernel/vmlinux.lds.S ++++ b/arch/powerpc/kernel/vmlinux.lds.S +@@ -317,6 +317,12 @@ SECTIONS + *(.branch_lt) + } + ++#ifdef CONFIG_DEBUG_INFO_BTF ++ .BTF : AT(ADDR(.BTF) - LOAD_OFFSET) { ++ *(.BTF) ++ } ++#endif ++ + .opd : AT(ADDR(.opd) - LOAD_OFFSET) { + *(.opd) + } +diff --git a/arch/x86/kernel/ftrace.c b/arch/x86/kernel/ftrace.c +index ccc2b9d2956a..387340b1f6db 100644 +--- a/arch/x86/kernel/ftrace.c ++++ b/arch/x86/kernel/ftrace.c +@@ -36,6 +36,7 @@ + #ifdef CONFIG_DYNAMIC_FTRACE + + int ftrace_arch_code_modify_prepare(void) ++ __acquires(&text_mutex) + { + mutex_lock(&text_mutex); + set_kernel_text_rw(); +@@ -44,6 +45,7 @@ int ftrace_arch_code_modify_prepare(void) + } + + int ftrace_arch_code_modify_post_process(void) ++ __releases(&text_mutex) + { + set_all_modules_text_ro(); + set_kernel_text_ro(); +diff --git a/arch/x86/mm/fault.c b/arch/x86/mm/fault.c +index 27cab342a0b2..1789626cf95e 100644 +--- a/arch/x86/mm/fault.c ++++ b/arch/x86/mm/fault.c +@@ -272,7 +272,7 @@ static inline pmd_t *vmalloc_sync_one(pgd_t *pgd, unsigned long address) + return pmd_k; + } + +-void vmalloc_sync_all(void) ++static void vmalloc_sync(void) + { + unsigned long address; + +@@ -299,6 +299,16 @@ void vmalloc_sync_all(void) + } + } + ++void vmalloc_sync_mappings(void) ++{ ++ vmalloc_sync(); ++} ++ ++void vmalloc_sync_unmappings(void) ++{ ++ vmalloc_sync(); ++} ++ + /* + * 32-bit: + * +@@ -401,11 +411,23 @@ out: + + #else /* CONFIG_X86_64: */ + +-void vmalloc_sync_all(void) ++void vmalloc_sync_mappings(void) + { ++ /* ++ * 64-bit mappings might allocate new p4d/pud pages ++ * that need to be propagated to all tasks' PGDs. ++ */ + sync_global_pgds(VMALLOC_START & PGDIR_MASK, VMALLOC_END); + } + ++void vmalloc_sync_unmappings(void) ++{ ++ /* ++ * Unmappings never allocate or free p4d/pud pages. ++ * No work is required here. ++ */ ++} ++ + /* + * 64-bit: + * +diff --git a/block/bfq-cgroup.c b/block/bfq-cgroup.c +index afbbe5750a1f..7d7aee024ece 100644 +--- a/block/bfq-cgroup.c ++++ b/block/bfq-cgroup.c +@@ -499,12 +499,13 @@ struct bfq_group *bfq_find_set_group(struct bfq_data *bfqd, + */ + entity = &bfqg->entity; + for_each_entity(entity) { +- bfqg = container_of(entity, struct bfq_group, entity); +- if (bfqg != bfqd->root_group) { +- parent = bfqg_parent(bfqg); ++ struct bfq_group *curr_bfqg = container_of(entity, ++ struct bfq_group, entity); ++ if (curr_bfqg != bfqd->root_group) { ++ parent = bfqg_parent(curr_bfqg); + if (!parent) + parent = bfqd->root_group; +- bfq_group_set_parent(bfqg, parent); ++ bfq_group_set_parent(curr_bfqg, parent); + } + } + +diff --git a/drivers/acpi/apei/ghes.c b/drivers/acpi/apei/ghes.c +index cd6fae6ad4c2..3f9f286088fa 100644 +--- a/drivers/acpi/apei/ghes.c ++++ b/drivers/acpi/apei/ghes.c +@@ -201,7 +201,7 @@ static int ghes_estatus_pool_expand(unsigned long len) + * New allocation must be visible in all pgd before it can be found by + * an NMI allocating from the pool. + */ +- vmalloc_sync_all(); ++ vmalloc_sync_mappings(); + + return gen_pool_add(ghes_estatus_pool, addr, PAGE_ALIGN(len), -1); + } +diff --git a/drivers/gpio/gpiolib-acpi.c b/drivers/gpio/gpiolib-acpi.c +index c7b9125c8ec2..7c06f4541c5d 100644 +--- a/drivers/gpio/gpiolib-acpi.c ++++ b/drivers/gpio/gpiolib-acpi.c +@@ -24,18 +24,21 @@ + + #include "gpiolib.h" + +-#define QUIRK_NO_EDGE_EVENTS_ON_BOOT 0x01l +-#define QUIRK_NO_WAKEUP 0x02l +- + static int run_edge_events_on_boot = -1; + module_param(run_edge_events_on_boot, int, 0444); + MODULE_PARM_DESC(run_edge_events_on_boot, + "Run edge _AEI event-handlers at boot: 0=no, 1=yes, -1=auto"); + +-static int honor_wakeup = -1; +-module_param(honor_wakeup, int, 0444); +-MODULE_PARM_DESC(honor_wakeup, +- "Honor the ACPI wake-capable flag: 0=no, 1=yes, -1=auto"); ++static char *ignore_wake; ++module_param(ignore_wake, charp, 0444); ++MODULE_PARM_DESC(ignore_wake, ++ "controller@pin combos on which to ignore the ACPI wake flag " ++ "ignore_wake=controller@pin[,controller@pin[,...]]"); ++ ++struct acpi_gpiolib_dmi_quirk { ++ bool no_edge_events_on_boot; ++ char *ignore_wake; ++}; + + /** + * struct acpi_gpio_event - ACPI GPIO event handler data +@@ -262,6 +265,57 @@ static void acpi_gpiochip_request_irqs(struct acpi_gpio_chip *acpi_gpio) + acpi_gpiochip_request_irq(acpi_gpio, event); + } + ++static bool acpi_gpio_in_ignore_list(const char *controller_in, int pin_in) ++{ ++ const char *controller, *pin_str; ++ int len, pin; ++ char *endp; ++ ++ controller = ignore_wake; ++ while (controller) { ++ pin_str = strchr(controller, '@'); ++ if (!pin_str) ++ goto err; ++ ++ len = pin_str - controller; ++ if (len == strlen(controller_in) && ++ strncmp(controller, controller_in, len) == 0) { ++ pin = simple_strtoul(pin_str + 1, &endp, 10); ++ if (*endp != 0 && *endp != ',') ++ goto err; ++ ++ if (pin == pin_in) ++ return true; ++ } ++ ++ controller = strchr(controller, ','); ++ if (controller) ++ controller++; ++ } ++ ++ return false; ++err: ++ pr_err_once("Error invalid value for gpiolib_acpi.ignore_wake: %s\n", ++ ignore_wake); ++ return false; ++} ++ ++static bool acpi_gpio_irq_is_wake(struct device *parent, ++ struct acpi_resource_gpio *agpio) ++{ ++ int pin = agpio->pin_table[0]; ++ ++ if (agpio->wake_capable != ACPI_WAKE_CAPABLE) ++ return false; ++ ++ if (acpi_gpio_in_ignore_list(dev_name(parent), pin)) { ++ dev_info(parent, "Ignoring wakeup on pin %d\n", pin); ++ return false; ++ } ++ ++ return true; ++} ++ + static acpi_status acpi_gpiochip_alloc_event(struct acpi_resource *ares, + void *context) + { +@@ -347,7 +401,7 @@ static acpi_status acpi_gpiochip_alloc_event(struct acpi_resource *ares, + event->handle = evt_handle; + event->handler = handler; + event->irq = irq; +- event->irq_is_wake = honor_wakeup && agpio->wake_capable == ACPI_WAKE_CAPABLE; ++ event->irq_is_wake = acpi_gpio_irq_is_wake(chip->parent, agpio); + event->pin = pin; + event->desc = desc; + +@@ -1331,7 +1385,9 @@ static const struct dmi_system_id gpiolib_acpi_quirks[] = { + DMI_MATCH(DMI_SYS_VENDOR, "MINIX"), + DMI_MATCH(DMI_PRODUCT_NAME, "Z83-4"), + }, +- .driver_data = (void *)QUIRK_NO_EDGE_EVENTS_ON_BOOT, ++ .driver_data = &(struct acpi_gpiolib_dmi_quirk) { ++ .no_edge_events_on_boot = true, ++ }, + }, + { + /* +@@ -1344,16 +1400,20 @@ static const struct dmi_system_id gpiolib_acpi_quirks[] = { + DMI_MATCH(DMI_SYS_VENDOR, "Wortmann_AG"), + DMI_MATCH(DMI_PRODUCT_NAME, "TERRA_PAD_1061"), + }, +- .driver_data = (void *)QUIRK_NO_EDGE_EVENTS_ON_BOOT, ++ .driver_data = &(struct acpi_gpiolib_dmi_quirk) { ++ .no_edge_events_on_boot = true, ++ }, + }, + { + /* +- * Various HP X2 10 Cherry Trail models use an external +- * embedded-controller connected via I2C + an ACPI GPIO +- * event handler. The embedded controller generates various +- * spurious wakeup events when suspended. So disable wakeup +- * for its handler (it uses the only ACPI GPIO event handler). +- * This breaks wakeup when opening the lid, the user needs ++ * HP X2 10 models with Cherry Trail SoC + TI PMIC use an ++ * external embedded-controller connected via I2C + an ACPI GPIO ++ * event handler on INT33FF:01 pin 0, causing spurious wakeups. ++ * When suspending by closing the LID, the power to the USB ++ * keyboard is turned off, causing INT0002 ACPI events to ++ * trigger once the XHCI controller notices the keyboard is ++ * gone. So INT0002 events cause spurious wakeups too. Ignoring ++ * EC wakes breaks wakeup when opening the lid, the user needs + * to press the power-button to wakeup the system. The + * alternative is suspend simply not working, which is worse. + */ +@@ -1361,33 +1421,61 @@ static const struct dmi_system_id gpiolib_acpi_quirks[] = { + DMI_MATCH(DMI_SYS_VENDOR, "HP"), + DMI_MATCH(DMI_PRODUCT_NAME, "HP x2 Detachable 10-p0XX"), + }, +- .driver_data = (void *)QUIRK_NO_WAKEUP, ++ .driver_data = &(struct acpi_gpiolib_dmi_quirk) { ++ .ignore_wake = "INT33FF:01@0,INT0002:00@2", ++ }, ++ }, ++ { ++ /* ++ * HP X2 10 models with Bay Trail SoC + AXP288 PMIC use an ++ * external embedded-controller connected via I2C + an ACPI GPIO ++ * event handler on INT33FC:02 pin 28, causing spurious wakeups. ++ */ ++ .matches = { ++ DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"), ++ DMI_MATCH(DMI_PRODUCT_NAME, "HP Pavilion x2 Detachable"), ++ DMI_MATCH(DMI_BOARD_NAME, "815D"), ++ }, ++ .driver_data = &(struct acpi_gpiolib_dmi_quirk) { ++ .ignore_wake = "INT33FC:02@28", ++ }, ++ }, ++ { ++ /* ++ * HP X2 10 models with Cherry Trail SoC + AXP288 PMIC use an ++ * external embedded-controller connected via I2C + an ACPI GPIO ++ * event handler on INT33FF:01 pin 0, causing spurious wakeups. ++ */ ++ .matches = { ++ DMI_MATCH(DMI_SYS_VENDOR, "HP"), ++ DMI_MATCH(DMI_PRODUCT_NAME, "HP Pavilion x2 Detachable"), ++ DMI_MATCH(DMI_BOARD_NAME, "813E"), ++ }, ++ .driver_data = &(struct acpi_gpiolib_dmi_quirk) { ++ .ignore_wake = "INT33FF:01@0", ++ }, + }, + {} /* Terminating entry */ + }; + + static int acpi_gpio_setup_params(void) + { ++ const struct acpi_gpiolib_dmi_quirk *quirk = NULL; + const struct dmi_system_id *id; +- long quirks = 0; + + id = dmi_first_match(gpiolib_acpi_quirks); + if (id) +- quirks = (long)id->driver_data; ++ quirk = id->driver_data; + + if (run_edge_events_on_boot < 0) { +- if (quirks & QUIRK_NO_EDGE_EVENTS_ON_BOOT) ++ if (quirk && quirk->no_edge_events_on_boot) + run_edge_events_on_boot = 0; + else + run_edge_events_on_boot = 1; + } + +- if (honor_wakeup < 0) { +- if (quirks & QUIRK_NO_WAKEUP) +- honor_wakeup = 0; +- else +- honor_wakeup = 1; +- } ++ if (ignore_wake == NULL && quirk && quirk->ignore_wake) ++ ignore_wake = quirk->ignore_wake; + + return 0; + } +diff --git a/drivers/gpu/drm/bridge/synopsys/dw-hdmi.c b/drivers/gpu/drm/bridge/synopsys/dw-hdmi.c +index cc1094f90125..96cf64d0ee82 100644 +--- a/drivers/gpu/drm/bridge/synopsys/dw-hdmi.c ++++ b/drivers/gpu/drm/bridge/synopsys/dw-hdmi.c +@@ -1348,28 +1348,34 @@ static void hdmi_config_AVI(struct dw_hdmi *hdmi, struct drm_display_mode *mode) + frame.colorspace = HDMI_COLORSPACE_RGB; + + /* Set up colorimetry */ +- switch (hdmi->hdmi_data.enc_out_encoding) { +- case V4L2_YCBCR_ENC_601: +- if (hdmi->hdmi_data.enc_in_encoding == V4L2_YCBCR_ENC_XV601) +- frame.colorimetry = HDMI_COLORIMETRY_EXTENDED; +- else ++ if (!hdmi_bus_fmt_is_rgb(hdmi->hdmi_data.enc_out_bus_format)) { ++ switch (hdmi->hdmi_data.enc_out_encoding) { ++ case V4L2_YCBCR_ENC_601: ++ if (hdmi->hdmi_data.enc_in_encoding == V4L2_YCBCR_ENC_XV601) ++ frame.colorimetry = HDMI_COLORIMETRY_EXTENDED; ++ else ++ frame.colorimetry = HDMI_COLORIMETRY_ITU_601; ++ frame.extended_colorimetry = ++ HDMI_EXTENDED_COLORIMETRY_XV_YCC_601; ++ break; ++ case V4L2_YCBCR_ENC_709: ++ if (hdmi->hdmi_data.enc_in_encoding == V4L2_YCBCR_ENC_XV709) ++ frame.colorimetry = HDMI_COLORIMETRY_EXTENDED; ++ else ++ frame.colorimetry = HDMI_COLORIMETRY_ITU_709; ++ frame.extended_colorimetry = ++ HDMI_EXTENDED_COLORIMETRY_XV_YCC_709; ++ break; ++ default: /* Carries no data */ + frame.colorimetry = HDMI_COLORIMETRY_ITU_601; ++ frame.extended_colorimetry = ++ HDMI_EXTENDED_COLORIMETRY_XV_YCC_601; ++ break; ++ } ++ } else { ++ frame.colorimetry = HDMI_COLORIMETRY_NONE; + frame.extended_colorimetry = +- HDMI_EXTENDED_COLORIMETRY_XV_YCC_601; +- break; +- case V4L2_YCBCR_ENC_709: +- if (hdmi->hdmi_data.enc_in_encoding == V4L2_YCBCR_ENC_XV709) +- frame.colorimetry = HDMI_COLORIMETRY_EXTENDED; +- else +- frame.colorimetry = HDMI_COLORIMETRY_ITU_709; +- frame.extended_colorimetry = +- HDMI_EXTENDED_COLORIMETRY_XV_YCC_709; +- break; +- default: /* Carries no data */ +- frame.colorimetry = HDMI_COLORIMETRY_ITU_601; +- frame.extended_colorimetry = +- HDMI_EXTENDED_COLORIMETRY_XV_YCC_601; +- break; ++ HDMI_EXTENDED_COLORIMETRY_XV_YCC_601; + } + + frame.scan_mode = HDMI_SCAN_MODE_NONE; +diff --git a/drivers/gpu/drm/drm_dp_mst_topology.c b/drivers/gpu/drm/drm_dp_mst_topology.c +index 9d94c306c8ca..c8c83f84aced 100644 +--- a/drivers/gpu/drm/drm_dp_mst_topology.c ++++ b/drivers/gpu/drm/drm_dp_mst_topology.c +@@ -982,20 +982,9 @@ static struct drm_dp_mst_port *drm_dp_mst_get_port_ref_locked(struct drm_dp_mst_ + static struct drm_dp_mst_port *drm_dp_get_validated_port_ref(struct drm_dp_mst_topology_mgr *mgr, struct drm_dp_mst_port *port) + { + struct drm_dp_mst_port *rport = NULL; +- + mutex_lock(&mgr->lock); +- /* +- * Port may or may not be 'valid' but we don't care about that when +- * destroying the port and we are guaranteed that the port pointer +- * will be valid until we've finished +- */ +- if (current_work() == &mgr->destroy_connector_work) { +- kref_get(&port->kref); +- rport = port; +- } else if (mgr->mst_primary) { +- rport = drm_dp_mst_get_port_ref_locked(mgr->mst_primary, +- port); +- } ++ if (mgr->mst_primary) ++ rport = drm_dp_mst_get_port_ref_locked(mgr->mst_primary, port); + mutex_unlock(&mgr->lock); + return rport; + } +diff --git a/drivers/gpu/drm/exynos/exynos_drm_dsi.c b/drivers/gpu/drm/exynos/exynos_drm_dsi.c +index 7904ffa9abfb..366c975cde5b 100644 +--- a/drivers/gpu/drm/exynos/exynos_drm_dsi.c ++++ b/drivers/gpu/drm/exynos/exynos_drm_dsi.c +@@ -1739,8 +1739,9 @@ static int exynos_dsi_probe(struct platform_device *pdev) + ret = devm_regulator_bulk_get(dev, ARRAY_SIZE(dsi->supplies), + dsi->supplies); + if (ret) { +- dev_info(dev, "failed to get regulators: %d\n", ret); +- return -EPROBE_DEFER; ++ if (ret != -EPROBE_DEFER) ++ dev_info(dev, "failed to get regulators: %d\n", ret); ++ return ret; + } + + dsi->clks = devm_kzalloc(dev, +@@ -1753,9 +1754,10 @@ static int exynos_dsi_probe(struct platform_device *pdev) + dsi->clks[i] = devm_clk_get(dev, clk_names[i]); + if (IS_ERR(dsi->clks[i])) { + if (strcmp(clk_names[i], "sclk_mipi") == 0) { +- strcpy(clk_names[i], OLD_SCLK_MIPI_CLK_NAME); +- i--; +- continue; ++ dsi->clks[i] = devm_clk_get(dev, ++ OLD_SCLK_MIPI_CLK_NAME); ++ if (!IS_ERR(dsi->clks[i])) ++ continue; + } + + dev_info(dev, "failed to get the clock: %s\n", +diff --git a/drivers/hwtracing/intel_th/msu.c b/drivers/hwtracing/intel_th/msu.c +index 6ebf6a2edb33..ca2717137ad2 100644 +--- a/drivers/hwtracing/intel_th/msu.c ++++ b/drivers/hwtracing/intel_th/msu.c +@@ -499,7 +499,7 @@ static int msc_configure(struct msc *msc) + lockdep_assert_held(&msc->buf_mutex); + + if (msc->mode > MSC_MODE_MULTI) +- return -ENOTSUPP; ++ return -EINVAL; + + if (msc->mode == MSC_MODE_MULTI) + msc_buffer_clear_hw_header(msc); +@@ -950,7 +950,7 @@ static int msc_buffer_alloc(struct msc *msc, unsigned long *nr_pages, + } else if (msc->mode == MSC_MODE_MULTI) { + ret = msc_buffer_multi_alloc(msc, nr_pages, nr_wins); + } else { +- ret = -ENOTSUPP; ++ ret = -EINVAL; + } + + if (!ret) { +@@ -1173,7 +1173,7 @@ static ssize_t intel_th_msc_read(struct file *file, char __user *buf, + if (ret >= 0) + *ppos = iter->offset; + } else { +- ret = -ENOTSUPP; ++ ret = -EINVAL; + } + + put_count: +diff --git a/drivers/hwtracing/intel_th/pci.c b/drivers/hwtracing/intel_th/pci.c +index fc371444407d..b8cbd26b60e1 100644 +--- a/drivers/hwtracing/intel_th/pci.c ++++ b/drivers/hwtracing/intel_th/pci.c +@@ -218,6 +218,11 @@ static const struct pci_device_id intel_th_pci_id_table[] = { + PCI_DEVICE(PCI_VENDOR_ID_INTEL, 0x4da6), + .driver_data = (kernel_ulong_t)&intel_th_2x, + }, ++ { ++ /* Elkhart Lake CPU */ ++ PCI_DEVICE(PCI_VENDOR_ID_INTEL, 0x4529), ++ .driver_data = (kernel_ulong_t)&intel_th_2x, ++ }, + { + /* Elkhart Lake */ + PCI_DEVICE(PCI_VENDOR_ID_INTEL, 0x4b26), +diff --git a/drivers/i2c/busses/i2c-hix5hd2.c b/drivers/i2c/busses/i2c-hix5hd2.c +index bb68957d3da5..aa5c55bd8b11 100644 +--- a/drivers/i2c/busses/i2c-hix5hd2.c ++++ b/drivers/i2c/busses/i2c-hix5hd2.c +@@ -498,6 +498,7 @@ static int hix5hd2_i2c_remove(struct platform_device *pdev) + i2c_del_adapter(&priv->adap); + pm_runtime_disable(priv->dev); + pm_runtime_set_suspended(priv->dev); ++ clk_disable_unprepare(priv->clk); + + return 0; + } +diff --git a/drivers/iio/adc/at91-sama5d2_adc.c b/drivers/iio/adc/at91-sama5d2_adc.c +index a70ef7fec95f..34639ee2d2ce 100644 +--- a/drivers/iio/adc/at91-sama5d2_adc.c ++++ b/drivers/iio/adc/at91-sama5d2_adc.c +@@ -300,6 +300,27 @@ static const struct iio_chan_spec at91_adc_channels[] = { + + AT91_SAMA5D2_DIFF_CHAN_CNT + 1), + }; + ++static int at91_adc_chan_xlate(struct iio_dev *indio_dev, int chan) ++{ ++ int i; ++ ++ for (i = 0; i < indio_dev->num_channels; i++) { ++ if (indio_dev->channels[i].scan_index == chan) ++ return i; ++ } ++ return -EINVAL; ++} ++ ++static inline struct iio_chan_spec const * ++at91_adc_chan_get(struct iio_dev *indio_dev, int chan) ++{ ++ int index = at91_adc_chan_xlate(indio_dev, chan); ++ ++ if (index < 0) ++ return NULL; ++ return indio_dev->channels + index; ++} ++ + static int at91_adc_configure_trigger(struct iio_trigger *trig, bool state) + { + struct iio_dev *indio = iio_trigger_get_drvdata(trig); +@@ -317,7 +338,24 @@ static int at91_adc_configure_trigger(struct iio_trigger *trig, bool state) + at91_adc_writel(st, AT91_SAMA5D2_TRGR, status); + + for_each_set_bit(bit, indio->active_scan_mask, indio->num_channels) { +- struct iio_chan_spec const *chan = indio->channels + bit; ++ struct iio_chan_spec const *chan = at91_adc_chan_get(indio, bit); ++ u32 cor; ++ ++ if (!chan) ++ continue; ++ if (state) { ++ cor = at91_adc_readl(st, AT91_SAMA5D2_COR); ++ ++ if (chan->differential) ++ cor |= (BIT(chan->channel) | ++ BIT(chan->channel2)) << ++ AT91_SAMA5D2_COR_DIFF_OFFSET; ++ else ++ cor &= ~(BIT(chan->channel) << ++ AT91_SAMA5D2_COR_DIFF_OFFSET); ++ ++ at91_adc_writel(st, AT91_SAMA5D2_COR, cor); ++ } + + if (state) { + at91_adc_writel(st, AT91_SAMA5D2_CHER, +@@ -398,8 +436,11 @@ static irqreturn_t at91_adc_trigger_handler(int irq, void *p) + u8 bit; + + for_each_set_bit(bit, indio->active_scan_mask, indio->num_channels) { +- struct iio_chan_spec const *chan = indio->channels + bit; ++ struct iio_chan_spec const *chan = ++ at91_adc_chan_get(indio, bit); + ++ if (!chan) ++ continue; + st->buffer[i] = at91_adc_readl(st, chan->address); + i++; + } +diff --git a/drivers/iio/magnetometer/ak8974.c b/drivers/iio/magnetometer/ak8974.c +index 0bff76e96950..283ecd4ea800 100644 +--- a/drivers/iio/magnetometer/ak8974.c ++++ b/drivers/iio/magnetometer/ak8974.c +@@ -563,7 +563,7 @@ static int ak8974_read_raw(struct iio_dev *indio_dev, + * We read all axes and discard all but one, for optimized + * reading, use the triggered buffer. + */ +- *val = le16_to_cpu(hw_values[chan->address]); ++ *val = (s16)le16_to_cpu(hw_values[chan->address]); + + ret = IIO_VAL_INT; + } +diff --git a/drivers/iio/trigger/stm32-timer-trigger.c b/drivers/iio/trigger/stm32-timer-trigger.c +index eb212f8c8879..0e4da570f22f 100644 +--- a/drivers/iio/trigger/stm32-timer-trigger.c ++++ b/drivers/iio/trigger/stm32-timer-trigger.c +@@ -161,7 +161,8 @@ static int stm32_timer_start(struct stm32_timer_trigger *priv, + return 0; + } + +-static void stm32_timer_stop(struct stm32_timer_trigger *priv) ++static void stm32_timer_stop(struct stm32_timer_trigger *priv, ++ struct iio_trigger *trig) + { + u32 ccer, cr1; + +@@ -179,6 +180,12 @@ static void stm32_timer_stop(struct stm32_timer_trigger *priv) + regmap_write(priv->regmap, TIM_PSC, 0); + regmap_write(priv->regmap, TIM_ARR, 0); + ++ /* Force disable master mode */ ++ if (stm32_timer_is_trgo2_name(trig->name)) ++ regmap_update_bits(priv->regmap, TIM_CR2, TIM_CR2_MMS2, 0); ++ else ++ regmap_update_bits(priv->regmap, TIM_CR2, TIM_CR2_MMS, 0); ++ + /* Make sure that registers are updated */ + regmap_update_bits(priv->regmap, TIM_EGR, TIM_EGR_UG, TIM_EGR_UG); + } +@@ -197,7 +204,7 @@ static ssize_t stm32_tt_store_frequency(struct device *dev, + return ret; + + if (freq == 0) { +- stm32_timer_stop(priv); ++ stm32_timer_stop(priv, trig); + } else { + ret = stm32_timer_start(priv, trig, freq); + if (ret) +diff --git a/drivers/infiniband/core/security.c b/drivers/infiniband/core/security.c +index ce8e3009344a..f4770601e6bf 100644 +--- a/drivers/infiniband/core/security.c ++++ b/drivers/infiniband/core/security.c +@@ -348,16 +348,11 @@ static struct ib_ports_pkeys *get_new_pps(const struct ib_qp *qp, + else if (qp_pps) + new_pps->main.pkey_index = qp_pps->main.pkey_index; + +- if ((qp_attr_mask & IB_QP_PKEY_INDEX) && (qp_attr_mask & IB_QP_PORT)) ++ if (((qp_attr_mask & IB_QP_PKEY_INDEX) && ++ (qp_attr_mask & IB_QP_PORT)) || ++ (qp_pps && qp_pps->main.state != IB_PORT_PKEY_NOT_VALID)) + new_pps->main.state = IB_PORT_PKEY_VALID; + +- if (!(qp_attr_mask & (IB_QP_PKEY_INDEX | IB_QP_PORT)) && qp_pps) { +- new_pps->main.port_num = qp_pps->main.port_num; +- new_pps->main.pkey_index = qp_pps->main.pkey_index; +- if (qp_pps->main.state != IB_PORT_PKEY_NOT_VALID) +- new_pps->main.state = IB_PORT_PKEY_VALID; +- } +- + if (qp_attr_mask & IB_QP_ALT_PATH) { + new_pps->alt.port_num = qp_attr->alt_port_num; + new_pps->alt.pkey_index = qp_attr->alt_pkey_index; +diff --git a/drivers/infiniband/hw/mlx5/qp.c b/drivers/infiniband/hw/mlx5/qp.c +index 84c962820aa2..0cb60072c82f 100644 +--- a/drivers/infiniband/hw/mlx5/qp.c ++++ b/drivers/infiniband/hw/mlx5/qp.c +@@ -4896,6 +4896,10 @@ struct ib_wq *mlx5_ib_create_wq(struct ib_pd *pd, + if (udata->outlen && udata->outlen < min_resp_len) + return ERR_PTR(-EINVAL); + ++ if (!capable(CAP_SYS_RAWIO) && ++ init_attr->create_flags & IB_WQ_FLAGS_DELAY_DROP) ++ return ERR_PTR(-EPERM); ++ + dev = to_mdev(pd->device); + switch (init_attr->wq_type) { + case IB_WQT_RQ: +diff --git a/drivers/input/mouse/synaptics.c b/drivers/input/mouse/synaptics.c +index 5f764e0993a4..2bca84f4c2b2 100644 +--- a/drivers/input/mouse/synaptics.c ++++ b/drivers/input/mouse/synaptics.c +@@ -189,6 +189,7 @@ static const char * const smbus_pnp_ids[] = { + "SYN3052", /* HP EliteBook 840 G4 */ + "SYN3221", /* HP 15-ay000 */ + "SYN323d", /* HP Spectre X360 13-w013dx */ ++ "SYN3257", /* HP Envy 13-ad105ng */ + NULL + }; + +diff --git a/drivers/input/touchscreen/raydium_i2c_ts.c b/drivers/input/touchscreen/raydium_i2c_ts.c +index 4f1d3fd5d412..7da44956555e 100644 +--- a/drivers/input/touchscreen/raydium_i2c_ts.c ++++ b/drivers/input/touchscreen/raydium_i2c_ts.c +@@ -441,7 +441,7 @@ static int raydium_i2c_write_object(struct i2c_client *client, + return 0; + } + +-static bool raydium_i2c_boot_trigger(struct i2c_client *client) ++static int raydium_i2c_boot_trigger(struct i2c_client *client) + { + static const u8 cmd[7][6] = { + { 0x08, 0x0C, 0x09, 0x00, 0x50, 0xD7 }, +@@ -469,7 +469,7 @@ static bool raydium_i2c_boot_trigger(struct i2c_client *client) + return 0; + } + +-static bool raydium_i2c_fw_trigger(struct i2c_client *client) ++static int raydium_i2c_fw_trigger(struct i2c_client *client) + { + static const u8 cmd[5][11] = { + { 0, 0x09, 0x71, 0x0C, 0x09, 0x00, 0x50, 0xD7, 0, 0, 0 }, +diff --git a/drivers/md/dm-bio-record.h b/drivers/md/dm-bio-record.h +index c82578af56a5..2ea0360108e1 100644 +--- a/drivers/md/dm-bio-record.h ++++ b/drivers/md/dm-bio-record.h +@@ -20,8 +20,13 @@ + struct dm_bio_details { + struct gendisk *bi_disk; + u8 bi_partno; ++ int __bi_remaining; + unsigned long bi_flags; + struct bvec_iter bi_iter; ++ bio_end_io_t *bi_end_io; ++#if defined(CONFIG_BLK_DEV_INTEGRITY) ++ struct bio_integrity_payload *bi_integrity; ++#endif + }; + + static inline void dm_bio_record(struct dm_bio_details *bd, struct bio *bio) +@@ -30,6 +35,11 @@ static inline void dm_bio_record(struct dm_bio_details *bd, struct bio *bio) + bd->bi_partno = bio->bi_partno; + bd->bi_flags = bio->bi_flags; + bd->bi_iter = bio->bi_iter; ++ bd->__bi_remaining = atomic_read(&bio->__bi_remaining); ++ bd->bi_end_io = bio->bi_end_io; ++#if defined(CONFIG_BLK_DEV_INTEGRITY) ++ bd->bi_integrity = bio_integrity(bio); ++#endif + } + + static inline void dm_bio_restore(struct dm_bio_details *bd, struct bio *bio) +@@ -38,6 +48,11 @@ static inline void dm_bio_restore(struct dm_bio_details *bd, struct bio *bio) + bio->bi_partno = bd->bi_partno; + bio->bi_flags = bd->bi_flags; + bio->bi_iter = bd->bi_iter; ++ atomic_set(&bio->__bi_remaining, bd->__bi_remaining); ++ bio->bi_end_io = bd->bi_end_io; ++#if defined(CONFIG_BLK_DEV_INTEGRITY) ++ bio->bi_integrity = bd->bi_integrity; ++#endif + } + + #endif +diff --git a/drivers/media/usb/b2c2/flexcop-usb.c b/drivers/media/usb/b2c2/flexcop-usb.c +index 427cda457af6..5104678f29b7 100644 +--- a/drivers/media/usb/b2c2/flexcop-usb.c ++++ b/drivers/media/usb/b2c2/flexcop-usb.c +@@ -510,6 +510,9 @@ static int flexcop_usb_init(struct flexcop_usb *fc_usb) + return ret; + } + ++ if (fc_usb->uintf->cur_altsetting->desc.bNumEndpoints < 1) ++ return -ENODEV; ++ + switch (fc_usb->udev->speed) { + case USB_SPEED_LOW: + err("cannot handle USB speed because it is too slow."); +@@ -543,9 +546,6 @@ static int flexcop_usb_probe(struct usb_interface *intf, + struct flexcop_device *fc = NULL; + int ret; + +- if (intf->cur_altsetting->desc.bNumEndpoints < 1) +- return -ENODEV; +- + if ((fc = flexcop_device_kmalloc(sizeof(struct flexcop_usb))) == NULL) { + err("out of memory\n"); + return -ENOMEM; +diff --git a/drivers/media/usb/dvb-usb/dib0700_core.c b/drivers/media/usb/dvb-usb/dib0700_core.c +index 1ee7ec558293..33dd54c8fa04 100644 +--- a/drivers/media/usb/dvb-usb/dib0700_core.c ++++ b/drivers/media/usb/dvb-usb/dib0700_core.c +@@ -821,7 +821,7 @@ int dib0700_rc_setup(struct dvb_usb_device *d, struct usb_interface *intf) + + /* Starting in firmware 1.20, the RC info is provided on a bulk pipe */ + +- if (intf->altsetting[0].desc.bNumEndpoints < rc_ep + 1) ++ if (intf->cur_altsetting->desc.bNumEndpoints < rc_ep + 1) + return -ENODEV; + + purb = usb_alloc_urb(0, GFP_KERNEL); +@@ -841,7 +841,7 @@ int dib0700_rc_setup(struct dvb_usb_device *d, struct usb_interface *intf) + * Some devices like the Hauppauge NovaTD model 52009 use an interrupt + * endpoint, while others use a bulk one. + */ +- e = &intf->altsetting[0].endpoint[rc_ep].desc; ++ e = &intf->cur_altsetting->endpoint[rc_ep].desc; + if (usb_endpoint_dir_in(e)) { + if (usb_endpoint_xfer_bulk(e)) { + pipe = usb_rcvbulkpipe(d->udev, rc_ep); +diff --git a/drivers/media/usb/gspca/ov519.c b/drivers/media/usb/gspca/ov519.c +index 8106a47a0dd0..b51d2de1aca8 100644 +--- a/drivers/media/usb/gspca/ov519.c ++++ b/drivers/media/usb/gspca/ov519.c +@@ -3478,6 +3478,11 @@ static void ov511_mode_init_regs(struct sd *sd) + return; + } + ++ if (alt->desc.bNumEndpoints < 1) { ++ sd->gspca_dev.usb_err = -ENODEV; ++ return; ++ } ++ + packet_size = le16_to_cpu(alt->endpoint[0].desc.wMaxPacketSize); + reg_w(sd, R51x_FIFO_PSIZE, packet_size >> 5); + +@@ -3604,6 +3609,11 @@ static void ov518_mode_init_regs(struct sd *sd) + return; + } + ++ if (alt->desc.bNumEndpoints < 1) { ++ sd->gspca_dev.usb_err = -ENODEV; ++ return; ++ } ++ + packet_size = le16_to_cpu(alt->endpoint[0].desc.wMaxPacketSize); + ov518_reg_w32(sd, R51x_FIFO_PSIZE, packet_size & ~7, 2); + +diff --git a/drivers/media/usb/gspca/stv06xx/stv06xx.c b/drivers/media/usb/gspca/stv06xx/stv06xx.c +index e72c3e1ab9ff..9caa5ef9d9e0 100644 +--- a/drivers/media/usb/gspca/stv06xx/stv06xx.c ++++ b/drivers/media/usb/gspca/stv06xx/stv06xx.c +@@ -289,6 +289,9 @@ static int stv06xx_start(struct gspca_dev *gspca_dev) + return -EIO; + } + ++ if (alt->desc.bNumEndpoints < 1) ++ return -ENODEV; ++ + packet_size = le16_to_cpu(alt->endpoint[0].desc.wMaxPacketSize); + err = stv06xx_write_bridge(sd, STV_ISO_SIZE_L, packet_size); + if (err < 0) +@@ -313,11 +316,21 @@ out: + + static int stv06xx_isoc_init(struct gspca_dev *gspca_dev) + { ++ struct usb_interface_cache *intfc; + struct usb_host_interface *alt; + struct sd *sd = (struct sd *) gspca_dev; + ++ intfc = gspca_dev->dev->actconfig->intf_cache[0]; ++ ++ if (intfc->num_altsetting < 2) ++ return -ENODEV; ++ ++ alt = &intfc->altsetting[1]; ++ ++ if (alt->desc.bNumEndpoints < 1) ++ return -ENODEV; ++ + /* Start isoc bandwidth "negotiation" at max isoc bandwidth */ +- alt = &gspca_dev->dev->actconfig->intf_cache[0]->altsetting[1]; + alt->endpoint[0].desc.wMaxPacketSize = + cpu_to_le16(sd->sensor->max_packet_size[gspca_dev->curr_mode]); + +@@ -330,6 +343,10 @@ static int stv06xx_isoc_nego(struct gspca_dev *gspca_dev) + struct usb_host_interface *alt; + struct sd *sd = (struct sd *) gspca_dev; + ++ /* ++ * Existence of altsetting and endpoint was verified in ++ * stv06xx_isoc_init() ++ */ + alt = &gspca_dev->dev->actconfig->intf_cache[0]->altsetting[1]; + packet_size = le16_to_cpu(alt->endpoint[0].desc.wMaxPacketSize); + min_packet_size = sd->sensor->min_packet_size[gspca_dev->curr_mode]; +diff --git a/drivers/media/usb/gspca/stv06xx/stv06xx_pb0100.c b/drivers/media/usb/gspca/stv06xx/stv06xx_pb0100.c +index e1ce96e9405f..8d855b2756ba 100644 +--- a/drivers/media/usb/gspca/stv06xx/stv06xx_pb0100.c ++++ b/drivers/media/usb/gspca/stv06xx/stv06xx_pb0100.c +@@ -194,6 +194,10 @@ static int pb0100_start(struct sd *sd) + alt = usb_altnum_to_altsetting(intf, sd->gspca_dev.alt); + if (!alt) + return -ENODEV; ++ ++ if (alt->desc.bNumEndpoints < 1) ++ return -ENODEV; ++ + packet_size = le16_to_cpu(alt->endpoint[0].desc.wMaxPacketSize); + + /* If we don't have enough bandwidth use a lower framerate */ +diff --git a/drivers/media/usb/gspca/xirlink_cit.c b/drivers/media/usb/gspca/xirlink_cit.c +index 68656e7986c7..765a5d03e7cc 100644 +--- a/drivers/media/usb/gspca/xirlink_cit.c ++++ b/drivers/media/usb/gspca/xirlink_cit.c +@@ -1451,6 +1451,9 @@ static int cit_get_packet_size(struct gspca_dev *gspca_dev) + return -EIO; + } + ++ if (alt->desc.bNumEndpoints < 1) ++ return -ENODEV; ++ + return le16_to_cpu(alt->endpoint[0].desc.wMaxPacketSize); + } + +@@ -2634,6 +2637,7 @@ static int sd_start(struct gspca_dev *gspca_dev) + + static int sd_isoc_init(struct gspca_dev *gspca_dev) + { ++ struct usb_interface_cache *intfc; + struct usb_host_interface *alt; + int max_packet_size; + +@@ -2649,8 +2653,17 @@ static int sd_isoc_init(struct gspca_dev *gspca_dev) + break; + } + ++ intfc = gspca_dev->dev->actconfig->intf_cache[0]; ++ ++ if (intfc->num_altsetting < 2) ++ return -ENODEV; ++ ++ alt = &intfc->altsetting[1]; ++ ++ if (alt->desc.bNumEndpoints < 1) ++ return -ENODEV; ++ + /* Start isoc bandwidth "negotiation" at max isoc bandwidth */ +- alt = &gspca_dev->dev->actconfig->intf_cache[0]->altsetting[1]; + alt->endpoint[0].desc.wMaxPacketSize = cpu_to_le16(max_packet_size); + + return 0; +@@ -2673,6 +2686,9 @@ static int sd_isoc_nego(struct gspca_dev *gspca_dev) + break; + } + ++ /* ++ * Existence of altsetting and endpoint was verified in sd_isoc_init() ++ */ + alt = &gspca_dev->dev->actconfig->intf_cache[0]->altsetting[1]; + packet_size = le16_to_cpu(alt->endpoint[0].desc.wMaxPacketSize); + if (packet_size <= min_packet_size) +diff --git a/drivers/media/usb/usbtv/usbtv-core.c b/drivers/media/usb/usbtv/usbtv-core.c +index 68df16b3ce72..50a61143898b 100644 +--- a/drivers/media/usb/usbtv/usbtv-core.c ++++ b/drivers/media/usb/usbtv/usbtv-core.c +@@ -56,7 +56,7 @@ int usbtv_set_regs(struct usbtv *usbtv, const u16 regs[][2], int size) + + ret = usb_control_msg(usbtv->udev, pipe, USBTV_REQUEST_REG, + USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_DEVICE, +- value, index, NULL, 0, 0); ++ value, index, NULL, 0, USB_CTRL_GET_TIMEOUT); + if (ret < 0) + return ret; + } +diff --git a/drivers/media/usb/usbtv/usbtv-video.c b/drivers/media/usb/usbtv/usbtv-video.c +index 3668a04359e8..7c23d82313a8 100644 +--- a/drivers/media/usb/usbtv/usbtv-video.c ++++ b/drivers/media/usb/usbtv/usbtv-video.c +@@ -720,7 +720,8 @@ static int usbtv_s_ctrl(struct v4l2_ctrl *ctrl) + ret = usb_control_msg(usbtv->udev, + usb_rcvctrlpipe(usbtv->udev, 0), USBTV_CONTROL_REG, + USB_DIR_IN | USB_TYPE_VENDOR | USB_RECIP_DEVICE, +- 0, USBTV_BASE + 0x0244, (void *)data, 3, 0); ++ 0, USBTV_BASE + 0x0244, (void *)data, 3, ++ USB_CTRL_GET_TIMEOUT); + if (ret < 0) + goto error; + } +@@ -771,7 +772,7 @@ static int usbtv_s_ctrl(struct v4l2_ctrl *ctrl) + ret = usb_control_msg(usbtv->udev, usb_sndctrlpipe(usbtv->udev, 0), + USBTV_CONTROL_REG, + USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_DEVICE, +- 0, index, (void *)data, size, 0); ++ 0, index, (void *)data, size, USB_CTRL_SET_TIMEOUT); + + error: + if (ret < 0) +diff --git a/drivers/misc/altera-stapl/altera.c b/drivers/misc/altera-stapl/altera.c +index 494e263daa74..b7ee8043a133 100644 +--- a/drivers/misc/altera-stapl/altera.c ++++ b/drivers/misc/altera-stapl/altera.c +@@ -2126,8 +2126,8 @@ exit_done: + return status; + } + +-static int altera_get_note(u8 *p, s32 program_size, +- s32 *offset, char *key, char *value, int length) ++static int altera_get_note(u8 *p, s32 program_size, s32 *offset, ++ char *key, char *value, int keylen, int vallen) + /* + * Gets key and value of NOTE fields in the JBC file. + * Can be called in two modes: if offset pointer is NULL, +@@ -2184,7 +2184,7 @@ static int altera_get_note(u8 *p, s32 program_size, + &p[note_table + (8 * i) + 4])]; + + if (value != NULL) +- strlcpy(value, value_ptr, length); ++ strlcpy(value, value_ptr, vallen); + + } + } +@@ -2203,13 +2203,13 @@ static int altera_get_note(u8 *p, s32 program_size, + strlcpy(key, &p[note_strings + + get_unaligned_be32( + &p[note_table + (8 * i)])], +- length); ++ keylen); + + if (value != NULL) + strlcpy(value, &p[note_strings + + get_unaligned_be32( + &p[note_table + (8 * i) + 4])], +- length); ++ vallen); + + *offset = i + 1; + } +@@ -2463,7 +2463,7 @@ int altera_init(struct altera_config *config, const struct firmware *fw) + __func__, (format_version == 2) ? "Jam STAPL" : + "pre-standardized Jam 1.1"); + while (altera_get_note((u8 *)fw->data, fw->size, +- &offset, key, value, 256) == 0) ++ &offset, key, value, 32, 256) == 0) + printk(KERN_INFO "%s: NOTE \"%s\" = \"%s\"\n", + __func__, key, value); + } +diff --git a/drivers/mmc/host/sdhci-of-at91.c b/drivers/mmc/host/sdhci-of-at91.c +index 1dadd460cc8f..78c9ac33b562 100644 +--- a/drivers/mmc/host/sdhci-of-at91.c ++++ b/drivers/mmc/host/sdhci-of-at91.c +@@ -125,7 +125,8 @@ static void sdhci_at91_reset(struct sdhci_host *host, u8 mask) + { + sdhci_reset(host, mask); + +- if (host->mmc->caps & MMC_CAP_NONREMOVABLE) ++ if ((host->mmc->caps & MMC_CAP_NONREMOVABLE) ++ || mmc_gpio_get_cd(host->mmc) >= 0) + sdhci_at91_set_force_card_detect(host); + } + +@@ -404,8 +405,11 @@ static int sdhci_at91_probe(struct platform_device *pdev) + * detection procedure using the SDMCC_CD signal is bypassed. + * This bit is reset when a software reset for all command is performed + * so we need to implement our own reset function to set back this bit. ++ * ++ * WA: SAMA5D2 doesn't drive CMD if using CD GPIO line. + */ +- if (host->mmc->caps & MMC_CAP_NONREMOVABLE) ++ if ((host->mmc->caps & MMC_CAP_NONREMOVABLE) ++ || mmc_gpio_get_cd(host->mmc) >= 0) + sdhci_at91_set_force_card_detect(host); + + pm_runtime_put_autosuspend(&pdev->dev); +diff --git a/drivers/net/can/slcan.c b/drivers/net/can/slcan.c +index 35564a9561b7..7c37b96ff22a 100644 +--- a/drivers/net/can/slcan.c ++++ b/drivers/net/can/slcan.c +@@ -621,7 +621,10 @@ err_free_chan: + tty->disc_data = NULL; + clear_bit(SLF_INUSE, &sl->flags); + slc_free_netdev(sl->dev); ++ /* do not call free_netdev before rtnl_unlock */ ++ rtnl_unlock(); + free_netdev(sl->dev); ++ return err; + + err_exit: + rtnl_unlock(); +diff --git a/drivers/net/dsa/mt7530.c b/drivers/net/dsa/mt7530.c +index 3b073e152237..58c16aa00a70 100644 +--- a/drivers/net/dsa/mt7530.c ++++ b/drivers/net/dsa/mt7530.c +@@ -549,7 +549,7 @@ mt7530_mib_reset(struct dsa_switch *ds) + static void + mt7530_port_set_status(struct mt7530_priv *priv, int port, int enable) + { +- u32 mask = PMCR_TX_EN | PMCR_RX_EN; ++ u32 mask = PMCR_TX_EN | PMCR_RX_EN | PMCR_FORCE_LNK; + + if (enable) + mt7530_set(priv, MT7530_PMCR_P(port), mask); +diff --git a/drivers/net/ethernet/broadcom/bnxt/bnxt_dcb.c b/drivers/net/ethernet/broadcom/bnxt/bnxt_dcb.c +index fed37cd9ae1d..125e22ffe2ae 100644 +--- a/drivers/net/ethernet/broadcom/bnxt/bnxt_dcb.c ++++ b/drivers/net/ethernet/broadcom/bnxt/bnxt_dcb.c +@@ -387,24 +387,26 @@ static int bnxt_dcbnl_ieee_getets(struct net_device *dev, struct ieee_ets *ets) + { + struct bnxt *bp = netdev_priv(dev); + struct ieee_ets *my_ets = bp->ieee_ets; ++ int rc; + + ets->ets_cap = bp->max_tc; + + if (!my_ets) { +- int rc; +- + if (bp->dcbx_cap & DCB_CAP_DCBX_HOST) + return 0; + + my_ets = kzalloc(sizeof(*my_ets), GFP_KERNEL); + if (!my_ets) +- return 0; ++ return -ENOMEM; + rc = bnxt_hwrm_queue_cos2bw_qcfg(bp, my_ets); + if (rc) +- return 0; ++ goto error; + rc = bnxt_hwrm_queue_pri2cos_qcfg(bp, my_ets); + if (rc) +- return 0; ++ goto error; ++ ++ /* cache result */ ++ bp->ieee_ets = my_ets; + } + + ets->cbs = my_ets->cbs; +@@ -413,6 +415,9 @@ static int bnxt_dcbnl_ieee_getets(struct net_device *dev, struct ieee_ets *ets) + memcpy(ets->tc_tsa, my_ets->tc_tsa, sizeof(ets->tc_tsa)); + memcpy(ets->prio_tc, my_ets->prio_tc, sizeof(ets->prio_tc)); + return 0; ++error: ++ kfree(my_ets); ++ return rc; + } + + static int bnxt_dcbnl_ieee_setets(struct net_device *dev, struct ieee_ets *ets) +diff --git a/drivers/net/ethernet/freescale/dpaa/dpaa_eth.c b/drivers/net/ethernet/freescale/dpaa/dpaa_eth.c +index 39b8b6730e77..67246d42c3d9 100644 +--- a/drivers/net/ethernet/freescale/dpaa/dpaa_eth.c ++++ b/drivers/net/ethernet/freescale/dpaa/dpaa_eth.c +@@ -2646,9 +2646,7 @@ static inline u16 dpaa_get_headroom(struct dpaa_buffer_layout *bl) + headroom = (u16)(bl->priv_data_size + DPAA_PARSE_RESULTS_SIZE + + DPAA_TIME_STAMP_SIZE + DPAA_HASH_RESULTS_SIZE); + +- return DPAA_FD_DATA_ALIGNMENT ? ALIGN(headroom, +- DPAA_FD_DATA_ALIGNMENT) : +- headroom; ++ return ALIGN(headroom, DPAA_FD_DATA_ALIGNMENT); + } + + static int dpaa_eth_probe(struct platform_device *pdev) +diff --git a/drivers/net/ethernet/freescale/fman/Kconfig b/drivers/net/ethernet/freescale/fman/Kconfig +index 8870a9a798ca..91437b94bfcb 100644 +--- a/drivers/net/ethernet/freescale/fman/Kconfig ++++ b/drivers/net/ethernet/freescale/fman/Kconfig +@@ -8,3 +8,31 @@ config FSL_FMAN + help + Freescale Data-Path Acceleration Architecture Frame Manager + (FMan) support ++ ++config DPAA_ERRATUM_A050385 ++ bool ++ depends on ARM64 && FSL_DPAA ++ default y ++ help ++ DPAA FMan erratum A050385 software workaround implementation: ++ align buffers, data start, SG fragment length to avoid FMan DMA ++ splits. ++ FMAN DMA read or writes under heavy traffic load may cause FMAN ++ internal resource leak thus stopping further packet processing. ++ The FMAN internal queue can overflow when FMAN splits single ++ read or write transactions into multiple smaller transactions ++ such that more than 17 AXI transactions are in flight from FMAN ++ to interconnect. When the FMAN internal queue overflows, it can ++ stall further packet processing. The issue can occur with any ++ one of the following three conditions: ++ 1. FMAN AXI transaction crosses 4K address boundary (Errata ++ A010022) ++ 2. FMAN DMA address for an AXI transaction is not 16 byte ++ aligned, i.e. the last 4 bits of an address are non-zero ++ 3. Scatter Gather (SG) frames have more than one SG buffer in ++ the SG list and any one of the buffers, except the last ++ buffer in the SG list has data size that is not a multiple ++ of 16 bytes, i.e., other than 16, 32, 48, 64, etc. ++ With any one of the above three conditions present, there is ++ likelihood of stalled FMAN packet processing, especially under ++ stress with multiple ports injecting line-rate traffic. +diff --git a/drivers/net/ethernet/freescale/fman/fman.c b/drivers/net/ethernet/freescale/fman/fman.c +index 97425d94e280..9080d2332d03 100644 +--- a/drivers/net/ethernet/freescale/fman/fman.c ++++ b/drivers/net/ethernet/freescale/fman/fman.c +@@ -1,5 +1,6 @@ + /* + * Copyright 2008-2015 Freescale Semiconductor Inc. ++ * Copyright 2020 NXP + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are met: +@@ -566,6 +567,10 @@ struct fman_cfg { + u32 qmi_def_tnums_thresh; + }; + ++#ifdef CONFIG_DPAA_ERRATUM_A050385 ++static bool fman_has_err_a050385; ++#endif ++ + static irqreturn_t fman_exceptions(struct fman *fman, + enum fman_exceptions exception) + { +@@ -2517,6 +2522,14 @@ struct fman *fman_bind(struct device *fm_dev) + } + EXPORT_SYMBOL(fman_bind); + ++#ifdef CONFIG_DPAA_ERRATUM_A050385 ++bool fman_has_errata_a050385(void) ++{ ++ return fman_has_err_a050385; ++} ++EXPORT_SYMBOL(fman_has_errata_a050385); ++#endif ++ + static irqreturn_t fman_err_irq(int irq, void *handle) + { + struct fman *fman = (struct fman *)handle; +@@ -2843,6 +2856,11 @@ static struct fman *read_dts_node(struct platform_device *of_dev) + goto fman_free; + } + ++#ifdef CONFIG_DPAA_ERRATUM_A050385 ++ fman_has_err_a050385 = ++ of_property_read_bool(fm_node, "fsl,erratum-a050385"); ++#endif ++ + return fman; + + fman_node_put: +diff --git a/drivers/net/ethernet/freescale/fman/fman.h b/drivers/net/ethernet/freescale/fman/fman.h +index bfa02e0014ae..693401994fa2 100644 +--- a/drivers/net/ethernet/freescale/fman/fman.h ++++ b/drivers/net/ethernet/freescale/fman/fman.h +@@ -1,5 +1,6 @@ + /* + * Copyright 2008-2015 Freescale Semiconductor Inc. ++ * Copyright 2020 NXP + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are met: +@@ -397,6 +398,10 @@ u16 fman_get_max_frm(void); + + int fman_get_rx_extra_headroom(void); + ++#ifdef CONFIG_DPAA_ERRATUM_A050385 ++bool fman_has_errata_a050385(void); ++#endif ++ + struct fman *fman_bind(struct device *dev); + + #endif /* __FM_H */ +diff --git a/drivers/net/ethernet/marvell/mvneta.c b/drivers/net/ethernet/marvell/mvneta.c +index a0c64b30f81a..a115e51dc211 100644 +--- a/drivers/net/ethernet/marvell/mvneta.c ++++ b/drivers/net/ethernet/marvell/mvneta.c +@@ -2759,11 +2759,10 @@ static int mvneta_poll(struct napi_struct *napi, int budget) + /* For the case where the last mvneta_poll did not process all + * RX packets + */ +- rx_queue = fls(((cause_rx_tx >> 8) & 0xff)); +- + cause_rx_tx |= pp->neta_armada3700 ? pp->cause_rx_tx : + port->cause_rx_tx; + ++ rx_queue = fls(((cause_rx_tx >> 8) & 0xff)); + if (rx_queue) { + rx_queue = rx_queue - 1; + if (pp->bm_priv) +diff --git a/drivers/net/ethernet/micrel/ks8851_mll.c b/drivers/net/ethernet/micrel/ks8851_mll.c +index c699a779757e..1b0e1fc7825f 100644 +--- a/drivers/net/ethernet/micrel/ks8851_mll.c ++++ b/drivers/net/ethernet/micrel/ks8851_mll.c +@@ -474,6 +474,50 @@ static int msg_enable; + * chip is busy transferring packet data (RX/TX FIFO accesses). + */ + ++/** ++ * ks_check_endian - Check whether endianness of the bus is correct ++ * @ks : The chip information ++ * ++ * The KS8851-16MLL EESK pin allows selecting the endianness of the 16bit ++ * bus. To maintain optimum performance, the bus endianness should be set ++ * such that it matches the endianness of the CPU. ++ */ ++ ++static int ks_check_endian(struct ks_net *ks) ++{ ++ u16 cider; ++ ++ /* ++ * Read CIDER register first, however read it the "wrong" way around. ++ * If the endian strap on the KS8851-16MLL in incorrect and the chip ++ * is operating in different endianness than the CPU, then the meaning ++ * of BE[3:0] byte-enable bits is also swapped such that: ++ * BE[3,2,1,0] becomes BE[1,0,3,2] ++ * ++ * Luckily for us, the byte-enable bits are the top four MSbits of ++ * the address register and the CIDER register is at offset 0xc0. ++ * Hence, by reading address 0xc0c0, which is not impacted by endian ++ * swapping, we assert either BE[3:2] or BE[1:0] while reading the ++ * CIDER register. ++ * ++ * If the bus configuration is correct, reading 0xc0c0 asserts ++ * BE[3:2] and this read returns 0x0000, because to read register ++ * with bottom two LSbits of address set to 0, BE[1:0] must be ++ * asserted. ++ * ++ * If the bus configuration is NOT correct, reading 0xc0c0 asserts ++ * BE[1:0] and this read returns non-zero 0x8872 value. ++ */ ++ iowrite16(BE3 | BE2 | KS_CIDER, ks->hw_addr_cmd); ++ cider = ioread16(ks->hw_addr); ++ if (!cider) ++ return 0; ++ ++ netdev_err(ks->netdev, "incorrect EESK endian strap setting\n"); ++ ++ return -EINVAL; ++} ++ + /** + * ks_rdreg16 - read 16 bit register from device + * @ks : The chip information +@@ -484,7 +528,7 @@ static int msg_enable; + + static u16 ks_rdreg16(struct ks_net *ks, int offset) + { +- ks->cmd_reg_cache = (u16)offset | ((BE3 | BE2) >> (offset & 0x02)); ++ ks->cmd_reg_cache = (u16)offset | ((BE1 | BE0) << (offset & 0x02)); + iowrite16(ks->cmd_reg_cache, ks->hw_addr_cmd); + return ioread16(ks->hw_addr); + } +@@ -499,7 +543,7 @@ static u16 ks_rdreg16(struct ks_net *ks, int offset) + + static void ks_wrreg16(struct ks_net *ks, int offset, u16 value) + { +- ks->cmd_reg_cache = (u16)offset | ((BE3 | BE2) >> (offset & 0x02)); ++ ks->cmd_reg_cache = (u16)offset | ((BE1 | BE0) << (offset & 0x02)); + iowrite16(ks->cmd_reg_cache, ks->hw_addr_cmd); + iowrite16(value, ks->hw_addr); + } +@@ -515,7 +559,7 @@ static inline void ks_inblk(struct ks_net *ks, u16 *wptr, u32 len) + { + len >>= 1; + while (len--) +- *wptr++ = be16_to_cpu(ioread16(ks->hw_addr)); ++ *wptr++ = (u16)ioread16(ks->hw_addr); + } + + /** +@@ -529,7 +573,7 @@ static inline void ks_outblk(struct ks_net *ks, u16 *wptr, u32 len) + { + len >>= 1; + while (len--) +- iowrite16(cpu_to_be16(*wptr++), ks->hw_addr); ++ iowrite16(*wptr++, ks->hw_addr); + } + + static void ks_disable_int(struct ks_net *ks) +@@ -1539,6 +1583,10 @@ static int ks8851_probe(struct platform_device *pdev) + goto err_free; + } + ++ err = ks_check_endian(ks); ++ if (err) ++ goto err_free; ++ + netdev->irq = platform_get_irq(pdev, 0); + + if ((int)netdev->irq < 0) { +diff --git a/drivers/net/ethernet/samsung/sxgbe/sxgbe_main.c b/drivers/net/ethernet/samsung/sxgbe/sxgbe_main.c +index 89831adb8eb7..6d27eec85fce 100644 +--- a/drivers/net/ethernet/samsung/sxgbe/sxgbe_main.c ++++ b/drivers/net/ethernet/samsung/sxgbe/sxgbe_main.c +@@ -2284,7 +2284,7 @@ static int __init sxgbe_cmdline_opt(char *str) + if (!str || !*str) + return -EINVAL; + while ((opt = strsep(&str, ",")) != NULL) { +- if (!strncmp(opt, "eee_timer:", 6)) { ++ if (!strncmp(opt, "eee_timer:", 10)) { + if (kstrtoint(opt + 10, 0, &eee_timer)) + goto err; + } +diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac-rk.c b/drivers/net/ethernet/stmicro/stmmac/dwmac-rk.c +index 712b5eb3507a..4156cf007b53 100644 +--- a/drivers/net/ethernet/stmicro/stmmac/dwmac-rk.c ++++ b/drivers/net/ethernet/stmicro/stmmac/dwmac-rk.c +@@ -1362,7 +1362,7 @@ static int rk_gmac_probe(struct platform_device *pdev) + + ret = rk_gmac_clk_init(plat_dat); + if (ret) +- return ret; ++ goto err_remove_config_dt; + + ret = rk_gmac_powerup(plat_dat->bsp_priv); + if (ret) +diff --git a/drivers/net/macsec.c b/drivers/net/macsec.c +index c2c3ce5653db..5959e8817a1b 100644 +--- a/drivers/net/macsec.c ++++ b/drivers/net/macsec.c +@@ -19,6 +19,7 @@ + #include <net/genetlink.h> + #include <net/sock.h> + #include <net/gro_cells.h> ++#include <linux/if_arp.h> + + #include <uapi/linux/if_macsec.h> + +@@ -3219,6 +3220,8 @@ static int macsec_newlink(struct net *net, struct net_device *dev, + real_dev = __dev_get_by_index(net, nla_get_u32(tb[IFLA_LINK])); + if (!real_dev) + return -ENODEV; ++ if (real_dev->type != ARPHRD_ETHER) ++ return -EINVAL; + + dev->priv_flags |= IFF_MACSEC; + +diff --git a/drivers/net/usb/qmi_wwan.c b/drivers/net/usb/qmi_wwan.c +index a8d5561afc7d..e028e03765a5 100644 +--- a/drivers/net/usb/qmi_wwan.c ++++ b/drivers/net/usb/qmi_wwan.c +@@ -1139,6 +1139,7 @@ static const struct usb_device_id products[] = { + {QMI_FIXED_INTF(0x1435, 0xd181, 4)}, /* Wistron NeWeb D18Q1 */ + {QMI_FIXED_INTF(0x1435, 0xd181, 5)}, /* Wistron NeWeb D18Q1 */ + {QMI_QUIRK_SET_DTR(0x1508, 0x1001, 4)}, /* Fibocom NL668 series */ ++ {QMI_FIXED_INTF(0x1690, 0x7588, 4)}, /* ASKEY WWHC050 */ + {QMI_FIXED_INTF(0x16d8, 0x6003, 0)}, /* CMOTech 6003 */ + {QMI_FIXED_INTF(0x16d8, 0x6007, 0)}, /* CMOTech CHE-628S */ + {QMI_FIXED_INTF(0x16d8, 0x6008, 0)}, /* CMOTech CMU-301 */ +diff --git a/drivers/net/vrf.c b/drivers/net/vrf.c +index e0cea5c05f0e..03e4fcdfeab7 100644 +--- a/drivers/net/vrf.c ++++ b/drivers/net/vrf.c +@@ -996,23 +996,24 @@ static struct sk_buff *vrf_ip6_rcv(struct net_device *vrf_dev, + struct sk_buff *skb) + { + int orig_iif = skb->skb_iif; +- bool need_strict = rt6_need_strict(&ipv6_hdr(skb)->daddr); +- bool is_ndisc = ipv6_ndisc_frame(skb); ++ bool need_strict; + +- /* loopback, multicast & non-ND link-local traffic; do not push through +- * packet taps again. Reset pkt_type for upper layers to process skb ++ /* loopback traffic; do not push through packet taps again. ++ * Reset pkt_type for upper layers to process skb + */ +- if (skb->pkt_type == PACKET_LOOPBACK || (need_strict && !is_ndisc)) { ++ if (skb->pkt_type == PACKET_LOOPBACK) { + skb->dev = vrf_dev; + skb->skb_iif = vrf_dev->ifindex; + IP6CB(skb)->flags |= IP6SKB_L3SLAVE; +- if (skb->pkt_type == PACKET_LOOPBACK) +- skb->pkt_type = PACKET_HOST; ++ skb->pkt_type = PACKET_HOST; + goto out; + } + +- /* if packet is NDISC then keep the ingress interface */ +- if (!is_ndisc) { ++ /* if packet is NDISC or addressed to multicast or link-local ++ * then keep the ingress interface ++ */ ++ need_strict = rt6_need_strict(&ipv6_hdr(skb)->daddr); ++ if (!ipv6_ndisc_frame(skb) && !need_strict) { + vrf_rx_stats(vrf_dev, skb->len); + skb->dev = vrf_dev; + skb->skb_iif = vrf_dev->ifindex; +diff --git a/drivers/net/vxlan.c b/drivers/net/vxlan.c +index 4d97a7b5fe3c..927d62c76a60 100644 +--- a/drivers/net/vxlan.c ++++ b/drivers/net/vxlan.c +@@ -2454,10 +2454,19 @@ static void vxlan_vs_add_dev(struct vxlan_sock *vs, struct vxlan_dev *vxlan, + /* Setup stats when device is created */ + static int vxlan_init(struct net_device *dev) + { ++ struct vxlan_dev *vxlan = netdev_priv(dev); ++ int err; ++ + dev->tstats = netdev_alloc_pcpu_stats(struct pcpu_sw_netstats); + if (!dev->tstats) + return -ENOMEM; + ++ err = gro_cells_init(&vxlan->gro_cells, dev); ++ if (err) { ++ free_percpu(dev->tstats); ++ return err; ++ } ++ + return 0; + } + +@@ -2717,8 +2726,6 @@ static void vxlan_setup(struct net_device *dev) + + vxlan->dev = dev; + +- gro_cells_init(&vxlan->gro_cells, dev); +- + for (h = 0; h < FDB_HASH_SIZE; ++h) + INIT_HLIST_HEAD(&vxlan->fdb_head[h]); + } +diff --git a/drivers/nfc/fdp/fdp.c b/drivers/nfc/fdp/fdp.c +index ec50027b0d8b..3195bae1685f 100644 +--- a/drivers/nfc/fdp/fdp.c ++++ b/drivers/nfc/fdp/fdp.c +@@ -192,7 +192,7 @@ static int fdp_nci_send_patch(struct nci_dev *ndev, u8 conn_id, u8 type) + const struct firmware *fw; + struct sk_buff *skb; + unsigned long len; +- u8 max_size, payload_size; ++ int max_size, payload_size; + int rc = 0; + + if ((type == NCI_PATCH_TYPE_OTP && !info->otp_patch) || +@@ -215,8 +215,7 @@ static int fdp_nci_send_patch(struct nci_dev *ndev, u8 conn_id, u8 type) + + while (len) { + +- payload_size = min_t(unsigned long, (unsigned long) max_size, +- len); ++ payload_size = min_t(unsigned long, max_size, len); + + skb = nci_skb_alloc(ndev, (NCI_CTRL_HDR_SIZE + payload_size), + GFP_KERNEL); +diff --git a/drivers/of/of_mdio.c b/drivers/of/of_mdio.c +index fe26697d3bd7..69da2f6896da 100644 +--- a/drivers/of/of_mdio.c ++++ b/drivers/of/of_mdio.c +@@ -259,6 +259,7 @@ int of_mdiobus_register(struct mii_bus *mdio, struct device_node *np) + rc = of_mdiobus_register_phy(mdio, child, addr); + if (rc && rc != -ENODEV) + goto unregister; ++ break; + } + } + } +diff --git a/drivers/perf/arm_pmu_acpi.c b/drivers/perf/arm_pmu_acpi.c +index 3303dd8d8eb5..604e549a9a47 100644 +--- a/drivers/perf/arm_pmu_acpi.c ++++ b/drivers/perf/arm_pmu_acpi.c +@@ -25,8 +25,6 @@ static int arm_pmu_acpi_register_irq(int cpu) + int gsi, trigger; + + gicc = acpi_cpu_get_madt_gicc(cpu); +- if (WARN_ON(!gicc)) +- return -EINVAL; + + gsi = gicc->performance_interrupt; + +@@ -65,11 +63,10 @@ static void arm_pmu_acpi_unregister_irq(int cpu) + int gsi; + + gicc = acpi_cpu_get_madt_gicc(cpu); +- if (!gicc) +- return; + + gsi = gicc->performance_interrupt; +- acpi_unregister_gsi(gsi); ++ if (gsi) ++ acpi_unregister_gsi(gsi); + } + + static int arm_pmu_acpi_parse_irqs(void) +diff --git a/drivers/platform/x86/pmc_atom.c b/drivers/platform/x86/pmc_atom.c +index 74997194fd88..92205b90c25c 100644 +--- a/drivers/platform/x86/pmc_atom.c ++++ b/drivers/platform/x86/pmc_atom.c +@@ -443,6 +443,14 @@ static const struct dmi_system_id critclk_systems[] = { + DMI_MATCH(DMI_PRODUCT_NAME, "3I380D"), + }, + }, ++ { ++ /* pmc_plt_clk* - are used for ethernet controllers */ ++ .ident = "Lex 2I385SW", ++ .matches = { ++ DMI_MATCH(DMI_SYS_VENDOR, "Lex BayTrail"), ++ DMI_MATCH(DMI_PRODUCT_NAME, "2I385SW"), ++ }, ++ }, + { + /* pmc_plt_clk* - are used for ethernet controllers */ + .ident = "Beckhoff CB3163", +diff --git a/drivers/rtc/Kconfig b/drivers/rtc/Kconfig +index e0e58f3b1420..68b76e6ddc1e 100644 +--- a/drivers/rtc/Kconfig ++++ b/drivers/rtc/Kconfig +@@ -323,6 +323,7 @@ config RTC_DRV_MAX6900 + config RTC_DRV_MAX8907 + tristate "Maxim MAX8907" + depends on MFD_MAX8907 || COMPILE_TEST ++ select REGMAP_IRQ + help + If you say yes here you will get support for the + RTC of Maxim MAX8907 PMIC. +diff --git a/drivers/scsi/ipr.c b/drivers/scsi/ipr.c +index 35d54ee1c5c7..b172f0a02083 100644 +--- a/drivers/scsi/ipr.c ++++ b/drivers/scsi/ipr.c +@@ -9962,6 +9962,7 @@ static void ipr_init_ioa_cfg(struct ipr_ioa_cfg *ioa_cfg, + ioa_cfg->max_devs_supported = ipr_max_devs; + + if (ioa_cfg->sis64) { ++ host->max_channel = IPR_MAX_SIS64_BUSES; + host->max_id = IPR_MAX_SIS64_TARGETS_PER_BUS; + host->max_lun = IPR_MAX_SIS64_LUNS_PER_TARGET; + if (ipr_max_devs > IPR_MAX_SIS64_DEVS) +@@ -9970,6 +9971,7 @@ static void ipr_init_ioa_cfg(struct ipr_ioa_cfg *ioa_cfg, + + ((sizeof(struct ipr_config_table_entry64) + * ioa_cfg->max_devs_supported))); + } else { ++ host->max_channel = IPR_VSET_BUS; + host->max_id = IPR_MAX_NUM_TARGETS_PER_BUS; + host->max_lun = IPR_MAX_NUM_LUNS_PER_TARGET; + if (ipr_max_devs > IPR_MAX_PHYSICAL_DEVS) +@@ -9979,7 +9981,6 @@ static void ipr_init_ioa_cfg(struct ipr_ioa_cfg *ioa_cfg, + * ioa_cfg->max_devs_supported))); + } + +- host->max_channel = IPR_VSET_BUS; + host->unique_id = host->host_no; + host->max_cmd_len = IPR_MAX_CDB_LEN; + host->can_queue = ioa_cfg->max_cmds; +diff --git a/drivers/scsi/ipr.h b/drivers/scsi/ipr.h +index 085e6c90f9e6..89b36987ff30 100644 +--- a/drivers/scsi/ipr.h ++++ b/drivers/scsi/ipr.h +@@ -1306,6 +1306,7 @@ struct ipr_resource_entry { + #define IPR_ARRAY_VIRTUAL_BUS 0x1 + #define IPR_VSET_VIRTUAL_BUS 0x2 + #define IPR_IOAFP_VIRTUAL_BUS 0x3 ++#define IPR_MAX_SIS64_BUSES 0x4 + + #define IPR_GET_RES_PHYS_LOC(res) \ + (((res)->bus << 24) | ((res)->target << 8) | (res)->lun) +diff --git a/drivers/scsi/sd.c b/drivers/scsi/sd.c +index e8c2afbb82e9..49d0720a0b7d 100644 +--- a/drivers/scsi/sd.c ++++ b/drivers/scsi/sd.c +@@ -3212,9 +3212,11 @@ static int sd_revalidate_disk(struct gendisk *disk) + if (sd_validate_opt_xfer_size(sdkp, dev_max)) { + q->limits.io_opt = logical_to_bytes(sdp, sdkp->opt_xfer_blocks); + rw_max = logical_to_sectors(sdp, sdkp->opt_xfer_blocks); +- } else ++ } else { ++ q->limits.io_opt = 0; + rw_max = min_not_zero(logical_to_sectors(sdp, dev_max), + (sector_t)BLK_DEF_MAX_SECTORS); ++ } + + /* Do not exceed controller limit */ + rw_max = min(rw_max, queue_max_hw_sectors(q)); +diff --git a/drivers/spi/spi-pxa2xx.c b/drivers/spi/spi-pxa2xx.c +index b2245cdce230..5160e16d3a98 100644 +--- a/drivers/spi/spi-pxa2xx.c ++++ b/drivers/spi/spi-pxa2xx.c +@@ -76,6 +76,10 @@ MODULE_ALIAS("platform:pxa2xx-spi"); + #define LPSS_CAPS_CS_EN_SHIFT 9 + #define LPSS_CAPS_CS_EN_MASK (0xf << LPSS_CAPS_CS_EN_SHIFT) + ++#define LPSS_PRIV_CLOCK_GATE 0x38 ++#define LPSS_PRIV_CLOCK_GATE_CLK_CTL_MASK 0x3 ++#define LPSS_PRIV_CLOCK_GATE_CLK_CTL_FORCE_ON 0x3 ++ + struct lpss_config { + /* LPSS offset from drv_data->ioaddr */ + unsigned offset; +@@ -92,6 +96,8 @@ struct lpss_config { + unsigned cs_sel_shift; + unsigned cs_sel_mask; + unsigned cs_num; ++ /* Quirks */ ++ unsigned cs_clk_stays_gated : 1; + }; + + /* Keep these sorted with enum pxa_ssp_type */ +@@ -162,6 +168,7 @@ static const struct lpss_config lpss_platforms[] = { + .tx_threshold_hi = 56, + .cs_sel_shift = 8, + .cs_sel_mask = 3 << 8, ++ .cs_clk_stays_gated = true, + }, + }; + +@@ -385,6 +392,22 @@ static void lpss_ssp_cs_control(struct driver_data *drv_data, bool enable) + else + value |= LPSS_CS_CONTROL_CS_HIGH; + __lpss_ssp_write_priv(drv_data, config->reg_cs_ctrl, value); ++ if (config->cs_clk_stays_gated) { ++ u32 clkgate; ++ ++ /* ++ * Changing CS alone when dynamic clock gating is on won't ++ * actually flip CS at that time. This ruins SPI transfers ++ * that specify delays, or have no data. Toggle the clock mode ++ * to force on briefly to poke the CS pin to move. ++ */ ++ clkgate = __lpss_ssp_read_priv(drv_data, LPSS_PRIV_CLOCK_GATE); ++ value = (clkgate & ~LPSS_PRIV_CLOCK_GATE_CLK_CTL_MASK) | ++ LPSS_PRIV_CLOCK_GATE_CLK_CTL_FORCE_ON; ++ ++ __lpss_ssp_write_priv(drv_data, LPSS_PRIV_CLOCK_GATE, value); ++ __lpss_ssp_write_priv(drv_data, LPSS_PRIV_CLOCK_GATE, clkgate); ++ } + } + + static void cs_assert(struct driver_data *drv_data) +diff --git a/drivers/spi/spi-qup.c b/drivers/spi/spi-qup.c +index 974a8ce58b68..cb74fd1af205 100644 +--- a/drivers/spi/spi-qup.c ++++ b/drivers/spi/spi-qup.c +@@ -1190,6 +1190,11 @@ static int spi_qup_suspend(struct device *device) + struct spi_qup *controller = spi_master_get_devdata(master); + int ret; + ++ if (pm_runtime_suspended(device)) { ++ ret = spi_qup_pm_resume_runtime(device); ++ if (ret) ++ return ret; ++ } + ret = spi_master_suspend(master); + if (ret) + return ret; +@@ -1198,10 +1203,8 @@ static int spi_qup_suspend(struct device *device) + if (ret) + return ret; + +- if (!pm_runtime_suspended(device)) { +- clk_disable_unprepare(controller->cclk); +- clk_disable_unprepare(controller->iclk); +- } ++ clk_disable_unprepare(controller->cclk); ++ clk_disable_unprepare(controller->iclk); + return 0; + } + +diff --git a/drivers/spi/spi-zynqmp-gqspi.c b/drivers/spi/spi-zynqmp-gqspi.c +index 18aeaceee286..d26c0eda2d9e 100644 +--- a/drivers/spi/spi-zynqmp-gqspi.c ++++ b/drivers/spi/spi-zynqmp-gqspi.c +@@ -415,9 +415,6 @@ static void zynqmp_qspi_chipselect(struct spi_device *qspi, bool is_high) + + zynqmp_gqspi_write(xqspi, GQSPI_GEN_FIFO_OFST, genfifoentry); + +- /* Dummy generic FIFO entry */ +- zynqmp_gqspi_write(xqspi, GQSPI_GEN_FIFO_OFST, 0x0); +- + /* Manually start the generic FIFO command */ + zynqmp_gqspi_write(xqspi, GQSPI_CONFIG_OFST, + zynqmp_gqspi_read(xqspi, GQSPI_CONFIG_OFST) | +diff --git a/drivers/staging/greybus/tools/loopback_test.c b/drivers/staging/greybus/tools/loopback_test.c +index fbe589fca840..b6aa70b94f33 100644 +--- a/drivers/staging/greybus/tools/loopback_test.c ++++ b/drivers/staging/greybus/tools/loopback_test.c +@@ -20,6 +20,7 @@ + #include <signal.h> + + #define MAX_NUM_DEVICES 10 ++#define MAX_SYSFS_PREFIX 0x80 + #define MAX_SYSFS_PATH 0x200 + #define CSV_MAX_LINE 0x1000 + #define SYSFS_MAX_INT 0x20 +@@ -68,7 +69,7 @@ struct loopback_results { + }; + + struct loopback_device { +- char name[MAX_SYSFS_PATH]; ++ char name[MAX_STR_LEN]; + char sysfs_entry[MAX_SYSFS_PATH]; + char debugfs_entry[MAX_SYSFS_PATH]; + struct loopback_results results; +@@ -94,8 +95,8 @@ struct loopback_test { + int stop_all; + int poll_count; + char test_name[MAX_STR_LEN]; +- char sysfs_prefix[MAX_SYSFS_PATH]; +- char debugfs_prefix[MAX_SYSFS_PATH]; ++ char sysfs_prefix[MAX_SYSFS_PREFIX]; ++ char debugfs_prefix[MAX_SYSFS_PREFIX]; + struct timespec poll_timeout; + struct loopback_device devices[MAX_NUM_DEVICES]; + struct loopback_results aggregate_results; +@@ -644,7 +645,7 @@ baddir: + static int open_poll_files(struct loopback_test *t) + { + struct loopback_device *dev; +- char buf[MAX_STR_LEN]; ++ char buf[MAX_SYSFS_PATH + MAX_STR_LEN]; + char dummy; + int fds_idx = 0; + int i; +@@ -914,10 +915,10 @@ int main(int argc, char *argv[]) + t.iteration_max = atoi(optarg); + break; + case 'S': +- snprintf(t.sysfs_prefix, MAX_SYSFS_PATH, "%s", optarg); ++ snprintf(t.sysfs_prefix, MAX_SYSFS_PREFIX, "%s", optarg); + break; + case 'D': +- snprintf(t.debugfs_prefix, MAX_SYSFS_PATH, "%s", optarg); ++ snprintf(t.debugfs_prefix, MAX_SYSFS_PREFIX, "%s", optarg); + break; + case 'm': + t.mask = atol(optarg); +@@ -968,10 +969,10 @@ int main(int argc, char *argv[]) + } + + if (!strcmp(t.sysfs_prefix, "")) +- snprintf(t.sysfs_prefix, MAX_SYSFS_PATH, "%s", sysfs_prefix); ++ snprintf(t.sysfs_prefix, MAX_SYSFS_PREFIX, "%s", sysfs_prefix); + + if (!strcmp(t.debugfs_prefix, "")) +- snprintf(t.debugfs_prefix, MAX_SYSFS_PATH, "%s", debugfs_prefix); ++ snprintf(t.debugfs_prefix, MAX_SYSFS_PREFIX, "%s", debugfs_prefix); + + ret = find_loopback_devices(&t); + if (ret) +diff --git a/drivers/staging/rtl8188eu/os_dep/usb_intf.c b/drivers/staging/rtl8188eu/os_dep/usb_intf.c +index 536453358568..30615b8fb657 100644 +--- a/drivers/staging/rtl8188eu/os_dep/usb_intf.c ++++ b/drivers/staging/rtl8188eu/os_dep/usb_intf.c +@@ -40,12 +40,14 @@ static const struct usb_device_id rtw_usb_id_tbl[] = { + /****** 8188EUS ********/ + {USB_DEVICE(0x056e, 0x4008)}, /* Elecom WDC-150SU2M */ + {USB_DEVICE(0x07b8, 0x8179)}, /* Abocom - Abocom */ ++ {USB_DEVICE(0x0B05, 0x18F0)}, /* ASUS USB-N10 Nano B1 */ + {USB_DEVICE(0x2001, 0x330F)}, /* DLink DWA-125 REV D1 */ + {USB_DEVICE(0x2001, 0x3310)}, /* Dlink DWA-123 REV D1 */ + {USB_DEVICE(0x2001, 0x3311)}, /* DLink GO-USB-N150 REV B1 */ + {USB_DEVICE(0x2001, 0x331B)}, /* D-Link DWA-121 rev B1 */ + {USB_DEVICE(0x2357, 0x010c)}, /* TP-Link TL-WN722N v2 */ + {USB_DEVICE(0x2357, 0x0111)}, /* TP-Link TL-WN727N v5.21 */ ++ {USB_DEVICE(0x2C4E, 0x0102)}, /* MERCUSYS MW150US v2 */ + {USB_DEVICE(0x0df6, 0x0076)}, /* Sitecom N150 v2 */ + {USB_DEVICE(USB_VENDER_ID_REALTEK, 0xffef)}, /* Rosewill RNX-N150NUB */ + {} /* Terminating entry */ +diff --git a/drivers/staging/speakup/main.c b/drivers/staging/speakup/main.c +index 56f7be6af1f6..a27f5e9a1ae1 100644 +--- a/drivers/staging/speakup/main.c ++++ b/drivers/staging/speakup/main.c +@@ -567,7 +567,7 @@ static u_long get_word(struct vc_data *vc) + return 0; + } else if (tmpx < vc->vc_cols - 2 && + (ch == SPACE || ch == 0 || (ch < 0x100 && IS_WDLM(ch))) && +- get_char(vc, (u_short *)&tmp_pos + 1, &temp) > SPACE) { ++ get_char(vc, (u_short *)tmp_pos + 1, &temp) > SPACE) { + tmp_pos += 2; + tmpx++; + } else +diff --git a/drivers/staging/wlan-ng/hfa384x_usb.c b/drivers/staging/wlan-ng/hfa384x_usb.c +index 2a22e448a2b3..fb1a76c4c927 100644 +--- a/drivers/staging/wlan-ng/hfa384x_usb.c ++++ b/drivers/staging/wlan-ng/hfa384x_usb.c +@@ -3495,6 +3495,8 @@ static void hfa384x_int_rxmonitor(struct wlandevice *wlandev, + WLAN_HDR_A4_LEN + WLAN_DATA_MAXLEN + WLAN_CRC_LEN)) { + pr_debug("overlen frm: len=%zd\n", + skblen - sizeof(struct p80211_caphdr)); ++ ++ return; + } + + skb = dev_alloc_skb(skblen); +diff --git a/drivers/staging/wlan-ng/prism2usb.c b/drivers/staging/wlan-ng/prism2usb.c +index b5ba176004c1..d8d86761b790 100644 +--- a/drivers/staging/wlan-ng/prism2usb.c ++++ b/drivers/staging/wlan-ng/prism2usb.c +@@ -180,6 +180,7 @@ static void prism2sta_disconnect_usb(struct usb_interface *interface) + + cancel_work_sync(&hw->link_bh); + cancel_work_sync(&hw->commsqual_bh); ++ cancel_work_sync(&hw->usb_work); + + /* Now we complete any outstanding commands + * and tell everyone who is waiting for their +diff --git a/drivers/tty/vt/selection.c b/drivers/tty/vt/selection.c +index 91ffe3f2b8a0..8687b17f6cf0 100644 +--- a/drivers/tty/vt/selection.c ++++ b/drivers/tty/vt/selection.c +@@ -83,6 +83,11 @@ void clear_selection(void) + } + } + ++bool vc_is_sel(struct vc_data *vc) ++{ ++ return vc == sel_cons; ++} ++ + /* + * User settable table: what characters are to be considered alphabetic? + * 128 bits. Locked by the console lock. +diff --git a/drivers/tty/vt/vt.c b/drivers/tty/vt/vt.c +index 826433af4bdd..46defa3be9a4 100644 +--- a/drivers/tty/vt/vt.c ++++ b/drivers/tty/vt/vt.c +@@ -584,8 +584,9 @@ static void hide_softcursor(struct vc_data *vc) + + static void hide_cursor(struct vc_data *vc) + { +- if (vc == sel_cons) ++ if (vc_is_sel(vc)) + clear_selection(); ++ + vc->vc_sw->con_cursor(vc, CM_ERASE); + hide_softcursor(vc); + } +@@ -595,7 +596,7 @@ static void set_cursor(struct vc_data *vc) + if (!con_is_fg(vc) || console_blanked || vc->vc_mode == KD_GRAPHICS) + return; + if (vc->vc_deccm) { +- if (vc == sel_cons) ++ if (vc_is_sel(vc)) + clear_selection(); + add_softcursor(vc); + if ((vc->vc_cursor_type & 0x0f) != 1) +@@ -750,6 +751,17 @@ static void visual_init(struct vc_data *vc, int num, int init) + vc->vc_screenbuf_size = vc->vc_rows * vc->vc_size_row; + } + ++static void vc_port_destruct(struct tty_port *port) ++{ ++ struct vc_data *vc = container_of(port, struct vc_data, port); ++ ++ kfree(vc); ++} ++ ++static const struct tty_port_operations vc_port_ops = { ++ .destruct = vc_port_destruct, ++}; ++ + int vc_allocate(unsigned int currcons) /* return 0 on success */ + { + struct vt_notifier_param param; +@@ -775,6 +787,7 @@ int vc_allocate(unsigned int currcons) /* return 0 on success */ + + vc_cons[currcons].d = vc; + tty_port_init(&vc->port); ++ vc->port.ops = &vc_port_ops; + INIT_WORK(&vc_cons[currcons].SAK_work, vc_SAK); + + visual_init(vc, currcons, 1); +@@ -873,7 +886,7 @@ static int vc_do_resize(struct tty_struct *tty, struct vc_data *vc, + if (!newscreen) + return -ENOMEM; + +- if (vc == sel_cons) ++ if (vc_is_sel(vc)) + clear_selection(); + + old_rows = vc->vc_rows; +@@ -2894,6 +2907,7 @@ static int con_install(struct tty_driver *driver, struct tty_struct *tty) + + tty->driver_data = vc; + vc->port.tty = tty; ++ tty_port_get(&vc->port); + + if (!tty->winsize.ws_row && !tty->winsize.ws_col) { + tty->winsize.ws_row = vc_cons[currcons].d->vc_rows; +@@ -2929,6 +2943,13 @@ static void con_shutdown(struct tty_struct *tty) + console_unlock(); + } + ++static void con_cleanup(struct tty_struct *tty) ++{ ++ struct vc_data *vc = tty->driver_data; ++ ++ tty_port_put(&vc->port); ++} ++ + static int default_color = 7; /* white */ + static int default_italic_color = 2; // green (ASCII) + static int default_underline_color = 3; // cyan (ASCII) +@@ -3053,7 +3074,8 @@ static const struct tty_operations con_ops = { + .throttle = con_throttle, + .unthrottle = con_unthrottle, + .resize = vt_resize, +- .shutdown = con_shutdown ++ .shutdown = con_shutdown, ++ .cleanup = con_cleanup, + }; + + static struct cdev vc0_cdev; +diff --git a/drivers/tty/vt/vt_ioctl.c b/drivers/tty/vt/vt_ioctl.c +index c320fefab360..699ad55e3ec6 100644 +--- a/drivers/tty/vt/vt_ioctl.c ++++ b/drivers/tty/vt/vt_ioctl.c +@@ -39,11 +39,32 @@ + #include <linux/kbd_diacr.h> + #include <linux/selection.h> + +-char vt_dont_switch; +-extern struct tty_driver *console_driver; ++bool vt_dont_switch; + +-#define VT_IS_IN_USE(i) (console_driver->ttys[i] && console_driver->ttys[i]->count) +-#define VT_BUSY(i) (VT_IS_IN_USE(i) || i == fg_console || vc_cons[i].d == sel_cons) ++static inline bool vt_in_use(unsigned int i) ++{ ++ const struct vc_data *vc = vc_cons[i].d; ++ ++ /* ++ * console_lock must be held to prevent the vc from being deallocated ++ * while we're checking whether it's in-use. ++ */ ++ WARN_CONSOLE_UNLOCKED(); ++ ++ return vc && kref_read(&vc->port.kref) > 1; ++} ++ ++static inline bool vt_busy(int i) ++{ ++ if (vt_in_use(i)) ++ return true; ++ if (i == fg_console) ++ return true; ++ if (vc_is_sel(vc_cons[i].d)) ++ return true; ++ ++ return false; ++} + + /* + * Console (vt and kd) routines, as defined by USL SVR4 manual, and by +@@ -289,16 +310,14 @@ static int vt_disallocate(unsigned int vc_num) + int ret = 0; + + console_lock(); +- if (VT_BUSY(vc_num)) ++ if (vt_busy(vc_num)) + ret = -EBUSY; + else if (vc_num) + vc = vc_deallocate(vc_num); + console_unlock(); + +- if (vc && vc_num >= MIN_NR_CONSOLES) { +- tty_port_destroy(&vc->port); +- kfree(vc); +- } ++ if (vc && vc_num >= MIN_NR_CONSOLES) ++ tty_port_put(&vc->port); + + return ret; + } +@@ -311,17 +330,15 @@ static void vt_disallocate_all(void) + + console_lock(); + for (i = 1; i < MAX_NR_CONSOLES; i++) +- if (!VT_BUSY(i)) ++ if (!vt_busy(i)) + vc[i] = vc_deallocate(i); + else + vc[i] = NULL; + console_unlock(); + + for (i = 1; i < MAX_NR_CONSOLES; i++) { +- if (vc[i] && i >= MIN_NR_CONSOLES) { +- tty_port_destroy(&vc[i]->port); +- kfree(vc[i]); +- } ++ if (vc[i] && i >= MIN_NR_CONSOLES) ++ tty_port_put(&vc[i]->port); + } + } + +@@ -335,22 +352,13 @@ int vt_ioctl(struct tty_struct *tty, + { + struct vc_data *vc = tty->driver_data; + struct console_font_op op; /* used in multiple places here */ +- unsigned int console; ++ unsigned int console = vc->vc_num; + unsigned char ucval; + unsigned int uival; + void __user *up = (void __user *)arg; + int i, perm; + int ret = 0; + +- console = vc->vc_num; +- +- +- if (!vc_cons_allocated(console)) { /* impossible? */ +- ret = -ENOIOCTLCMD; +- goto out; +- } +- +- + /* + * To have permissions to do most of the vt ioctls, we either have + * to be the owner of the tty, or have CAP_SYS_TTY_CONFIG. +@@ -641,15 +649,16 @@ int vt_ioctl(struct tty_struct *tty, + struct vt_stat __user *vtstat = up; + unsigned short state, mask; + +- /* Review: FIXME: Console lock ? */ + if (put_user(fg_console + 1, &vtstat->v_active)) + ret = -EFAULT; + else { + state = 1; /* /dev/tty0 is always open */ ++ console_lock(); /* required by vt_in_use() */ + for (i = 0, mask = 2; i < MAX_NR_CONSOLES && mask; + ++i, mask <<= 1) +- if (VT_IS_IN_USE(i)) ++ if (vt_in_use(i)) + state |= mask; ++ console_unlock(); + ret = put_user(state, &vtstat->v_state); + } + break; +@@ -659,10 +668,11 @@ int vt_ioctl(struct tty_struct *tty, + * Returns the first available (non-opened) console. + */ + case VT_OPENQRY: +- /* FIXME: locking ? - but then this is a stupid API */ ++ console_lock(); /* required by vt_in_use() */ + for (i = 0; i < MAX_NR_CONSOLES; ++i) +- if (! VT_IS_IN_USE(i)) ++ if (!vt_in_use(i)) + break; ++ console_unlock(); + uival = i < MAX_NR_CONSOLES ? (i+1) : -1; + goto setint; + +@@ -1011,12 +1021,12 @@ int vt_ioctl(struct tty_struct *tty, + case VT_LOCKSWITCH: + if (!capable(CAP_SYS_TTY_CONFIG)) + return -EPERM; +- vt_dont_switch = 1; ++ vt_dont_switch = true; + break; + case VT_UNLOCKSWITCH: + if (!capable(CAP_SYS_TTY_CONFIG)) + return -EPERM; +- vt_dont_switch = 0; ++ vt_dont_switch = false; + break; + case VT_GETHIFONTMASK: + ret = put_user(vc->vc_hi_font_mask, +@@ -1180,18 +1190,10 @@ long vt_compat_ioctl(struct tty_struct *tty, + { + struct vc_data *vc = tty->driver_data; + struct console_font_op op; /* used in multiple places here */ +- unsigned int console; + void __user *up = (void __user *)arg; + int perm; + int ret = 0; + +- console = vc->vc_num; +- +- if (!vc_cons_allocated(console)) { /* impossible? */ +- ret = -ENOIOCTLCMD; +- goto out; +- } +- + /* + * To have permissions to do most of the vt ioctls, we either have + * to be the owner of the tty, or have CAP_SYS_TTY_CONFIG. +@@ -1251,7 +1253,7 @@ long vt_compat_ioctl(struct tty_struct *tty, + arg = (unsigned long)compat_ptr(arg); + goto fallback; + } +-out: ++ + return ret; + + fallback: +diff --git a/drivers/usb/class/cdc-acm.c b/drivers/usb/class/cdc-acm.c +index 0453f0eb1178..5e171e45c685 100644 +--- a/drivers/usb/class/cdc-acm.c ++++ b/drivers/usb/class/cdc-acm.c +@@ -926,10 +926,10 @@ static int get_serial_info(struct acm *acm, struct serial_struct __user *info) + memset(&tmp, 0, sizeof(tmp)); + tmp.xmit_fifo_size = acm->writesize; + tmp.baud_base = le32_to_cpu(acm->line.dwDTERate); +- tmp.close_delay = acm->port.close_delay / 10; ++ tmp.close_delay = jiffies_to_msecs(acm->port.close_delay) / 10; + tmp.closing_wait = acm->port.closing_wait == ASYNC_CLOSING_WAIT_NONE ? + ASYNC_CLOSING_WAIT_NONE : +- acm->port.closing_wait / 10; ++ jiffies_to_msecs(acm->port.closing_wait) / 10; + + if (copy_to_user(info, &tmp, sizeof(tmp))) + return -EFAULT; +@@ -942,20 +942,28 @@ static int set_serial_info(struct acm *acm, + { + struct serial_struct new_serial; + unsigned int closing_wait, close_delay; ++ unsigned int old_closing_wait, old_close_delay; + int retval = 0; + + if (copy_from_user(&new_serial, newinfo, sizeof(new_serial))) + return -EFAULT; + +- close_delay = new_serial.close_delay * 10; ++ close_delay = msecs_to_jiffies(new_serial.close_delay * 10); + closing_wait = new_serial.closing_wait == ASYNC_CLOSING_WAIT_NONE ? +- ASYNC_CLOSING_WAIT_NONE : new_serial.closing_wait * 10; ++ ASYNC_CLOSING_WAIT_NONE : ++ msecs_to_jiffies(new_serial.closing_wait * 10); ++ ++ /* we must redo the rounding here, so that the values match */ ++ old_close_delay = jiffies_to_msecs(acm->port.close_delay) / 10; ++ old_closing_wait = acm->port.closing_wait == ASYNC_CLOSING_WAIT_NONE ? ++ ASYNC_CLOSING_WAIT_NONE : ++ jiffies_to_msecs(acm->port.closing_wait) / 10; + + mutex_lock(&acm->port.mutex); + + if (!capable(CAP_SYS_ADMIN)) { +- if ((close_delay != acm->port.close_delay) || +- (closing_wait != acm->port.closing_wait)) ++ if ((new_serial.close_delay != old_close_delay) || ++ (new_serial.closing_wait != old_closing_wait)) + retval = -EPERM; + else + retval = -EOPNOTSUPP; +diff --git a/drivers/usb/core/quirks.c b/drivers/usb/core/quirks.c +index 64c03e871f2d..6c4bb47922ac 100644 +--- a/drivers/usb/core/quirks.c ++++ b/drivers/usb/core/quirks.c +@@ -229,6 +229,12 @@ static const struct usb_device_id usb_quirk_list[] = { + { USB_DEVICE(0x0b05, 0x17e0), .driver_info = + USB_QUIRK_IGNORE_REMOTE_WAKEUP }, + ++ /* Realtek hub in Dell WD19 (Type-C) */ ++ { USB_DEVICE(0x0bda, 0x0487), .driver_info = USB_QUIRK_NO_LPM }, ++ ++ /* Generic RTL8153 based ethernet adapters */ ++ { USB_DEVICE(0x0bda, 0x8153), .driver_info = USB_QUIRK_NO_LPM }, ++ + /* Action Semiconductor flash disk */ + { USB_DEVICE(0x10d6, 0x2200), .driver_info = + USB_QUIRK_STRING_FETCH_255 }, +diff --git a/drivers/usb/host/xhci-pci.c b/drivers/usb/host/xhci-pci.c +index 908496ed3254..c01a0d1e8b5c 100644 +--- a/drivers/usb/host/xhci-pci.c ++++ b/drivers/usb/host/xhci-pci.c +@@ -140,7 +140,8 @@ static void xhci_pci_quirks(struct device *dev, struct xhci_hcd *xhci) + xhci->quirks |= XHCI_AMD_PLL_FIX; + + if (pdev->vendor == PCI_VENDOR_ID_AMD && +- (pdev->device == 0x15e0 || ++ (pdev->device == 0x145c || ++ pdev->device == 0x15e0 || + pdev->device == 0x15e1 || + pdev->device == 0x43bb)) + xhci->quirks |= XHCI_SUSPEND_DELAY; +diff --git a/drivers/usb/host/xhci-plat.c b/drivers/usb/host/xhci-plat.c +index 108a212294bf..a7feb6338d97 100644 +--- a/drivers/usb/host/xhci-plat.c ++++ b/drivers/usb/host/xhci-plat.c +@@ -416,6 +416,7 @@ MODULE_DEVICE_TABLE(acpi, usb_xhci_acpi_match); + static struct platform_driver usb_xhci_driver = { + .probe = xhci_plat_probe, + .remove = xhci_plat_remove, ++ .shutdown = usb_hcd_platform_shutdown, + .driver = { + .name = "xhci-hcd", + .pm = &xhci_plat_pm_ops, +diff --git a/drivers/usb/host/xhci-trace.h b/drivers/usb/host/xhci-trace.h +index 02a1164ca599..a350c46d01e8 100644 +--- a/drivers/usb/host/xhci-trace.h ++++ b/drivers/usb/host/xhci-trace.h +@@ -276,23 +276,12 @@ DECLARE_EVENT_CLASS(xhci_log_urb, + ), + TP_printk("ep%d%s-%s: urb %p pipe %u slot %d length %d/%d sgs %d/%d stream %d flags %08x", + __entry->epnum, __entry->dir_in ? "in" : "out", +- ({ char *s; +- switch (__entry->type) { +- case USB_ENDPOINT_XFER_INT: +- s = "intr"; +- break; +- case USB_ENDPOINT_XFER_CONTROL: +- s = "control"; +- break; +- case USB_ENDPOINT_XFER_BULK: +- s = "bulk"; +- break; +- case USB_ENDPOINT_XFER_ISOC: +- s = "isoc"; +- break; +- default: +- s = "UNKNOWN"; +- } s; }), __entry->urb, __entry->pipe, __entry->slot_id, ++ __print_symbolic(__entry->type, ++ { USB_ENDPOINT_XFER_INT, "intr" }, ++ { USB_ENDPOINT_XFER_CONTROL, "control" }, ++ { USB_ENDPOINT_XFER_BULK, "bulk" }, ++ { USB_ENDPOINT_XFER_ISOC, "isoc" }), ++ __entry->urb, __entry->pipe, __entry->slot_id, + __entry->actual, __entry->length, __entry->num_mapped_sgs, + __entry->num_sgs, __entry->stream, __entry->flags + ) +diff --git a/drivers/usb/musb/musb_host.c b/drivers/usb/musb/musb_host.c +index 802388bb42ba..3ec0752e67ac 100644 +--- a/drivers/usb/musb/musb_host.c ++++ b/drivers/usb/musb/musb_host.c +@@ -1494,10 +1494,7 @@ done: + * We need to map sg if the transfer_buffer is + * NULL. + */ +- if (!urb->transfer_buffer) +- qh->use_sg = true; +- +- if (qh->use_sg) { ++ if (!urb->transfer_buffer) { + /* sg_miter_start is already done in musb_ep_program */ + if (!sg_miter_next(&qh->sg_miter)) { + dev_err(musb->controller, "error: sg list empty\n"); +@@ -1505,9 +1502,8 @@ done: + status = -EINVAL; + goto done; + } +- urb->transfer_buffer = qh->sg_miter.addr; + length = min_t(u32, length, qh->sg_miter.length); +- musb_write_fifo(hw_ep, length, urb->transfer_buffer); ++ musb_write_fifo(hw_ep, length, qh->sg_miter.addr); + qh->sg_miter.consumed = length; + sg_miter_stop(&qh->sg_miter); + } else { +@@ -1516,11 +1512,6 @@ done: + + qh->segsize = length; + +- if (qh->use_sg) { +- if (offset + length >= urb->transfer_buffer_length) +- qh->use_sg = false; +- } +- + musb_ep_select(mbase, epnum); + musb_writew(epio, MUSB_TXCSR, + MUSB_TXCSR_H_WZC_BITS | MUSB_TXCSR_TXPKTRDY); +@@ -2038,8 +2029,10 @@ finish: + urb->actual_length += xfer_len; + qh->offset += xfer_len; + if (done) { +- if (qh->use_sg) ++ if (qh->use_sg) { + qh->use_sg = false; ++ urb->transfer_buffer = NULL; ++ } + + if (urb->status == -EINPROGRESS) + urb->status = status; +diff --git a/drivers/usb/serial/io_edgeport.c b/drivers/usb/serial/io_edgeport.c +index 3705b64ab948..45d5e5c899e1 100644 +--- a/drivers/usb/serial/io_edgeport.c ++++ b/drivers/usb/serial/io_edgeport.c +@@ -714,7 +714,7 @@ static void edge_interrupt_callback(struct urb *urb) + /* grab the txcredits for the ports if available */ + position = 2; + portNumber = 0; +- while ((position < length) && ++ while ((position < length - 1) && + (portNumber < edge_serial->serial->num_ports)) { + txCredits = data[position] | (data[position+1] << 8); + if (txCredits) { +diff --git a/drivers/usb/serial/option.c b/drivers/usb/serial/option.c +index eff353de47cd..3621bde2a0ed 100644 +--- a/drivers/usb/serial/option.c ++++ b/drivers/usb/serial/option.c +@@ -1186,6 +1186,8 @@ static const struct usb_device_id option_ids[] = { + .driver_info = NCTRL(0) }, + { USB_DEVICE_INTERFACE_CLASS(TELIT_VENDOR_ID, 0x110a, 0xff), /* Telit ME910G1 */ + .driver_info = NCTRL(0) | RSVD(3) }, ++ { USB_DEVICE_INTERFACE_CLASS(TELIT_VENDOR_ID, 0x110b, 0xff), /* Telit ME910G1 (ECM) */ ++ .driver_info = NCTRL(0) }, + { USB_DEVICE(TELIT_VENDOR_ID, TELIT_PRODUCT_LE910), + .driver_info = NCTRL(0) | RSVD(1) | RSVD(2) }, + { USB_DEVICE(TELIT_VENDOR_ID, TELIT_PRODUCT_LE910_USBCFG4), +@@ -1992,8 +1994,14 @@ static const struct usb_device_id option_ids[] = { + { USB_DEVICE_AND_INTERFACE_INFO(0x07d1, 0x3e01, 0xff, 0xff, 0xff) }, /* D-Link DWM-152/C1 */ + { USB_DEVICE_AND_INTERFACE_INFO(0x07d1, 0x3e02, 0xff, 0xff, 0xff) }, /* D-Link DWM-156/C1 */ + { USB_DEVICE_AND_INTERFACE_INFO(0x07d1, 0x7e11, 0xff, 0xff, 0xff) }, /* D-Link DWM-156/A3 */ ++ { USB_DEVICE_INTERFACE_CLASS(0x1435, 0xd191, 0xff), /* Wistron Neweb D19Q1 */ ++ .driver_info = RSVD(1) | RSVD(4) }, ++ { USB_DEVICE_INTERFACE_CLASS(0x1690, 0x7588, 0xff), /* ASKEY WWHC050 */ ++ .driver_info = RSVD(1) | RSVD(4) }, + { USB_DEVICE_INTERFACE_CLASS(0x2020, 0x2031, 0xff), /* Olicard 600 */ + .driver_info = RSVD(4) }, ++ { USB_DEVICE_INTERFACE_CLASS(0x2020, 0x2033, 0xff), /* BroadMobi BM806U */ ++ .driver_info = RSVD(4) }, + { USB_DEVICE_INTERFACE_CLASS(0x2020, 0x2060, 0xff), /* BroadMobi BM818 */ + .driver_info = RSVD(4) }, + { USB_DEVICE_INTERFACE_CLASS(0x2020, 0x4000, 0xff) }, /* OLICARD300 - MT6225 */ +diff --git a/drivers/usb/serial/pl2303.c b/drivers/usb/serial/pl2303.c +index 1c4d3dbd4635..5051b1dad09e 100644 +--- a/drivers/usb/serial/pl2303.c ++++ b/drivers/usb/serial/pl2303.c +@@ -96,6 +96,7 @@ static const struct usb_device_id id_table[] = { + { USB_DEVICE(SUPERIAL_VENDOR_ID, SUPERIAL_PRODUCT_ID) }, + { USB_DEVICE(HP_VENDOR_ID, HP_LD220_PRODUCT_ID) }, + { USB_DEVICE(HP_VENDOR_ID, HP_LD220TA_PRODUCT_ID) }, ++ { USB_DEVICE(HP_VENDOR_ID, HP_LD381_PRODUCT_ID) }, + { USB_DEVICE(HP_VENDOR_ID, HP_LD960_PRODUCT_ID) }, + { USB_DEVICE(HP_VENDOR_ID, HP_LD960TA_PRODUCT_ID) }, + { USB_DEVICE(HP_VENDOR_ID, HP_LCM220_PRODUCT_ID) }, +diff --git a/drivers/usb/serial/pl2303.h b/drivers/usb/serial/pl2303.h +index fcc2cfc1da28..f0a9eeb6272d 100644 +--- a/drivers/usb/serial/pl2303.h ++++ b/drivers/usb/serial/pl2303.h +@@ -129,6 +129,7 @@ + #define HP_LM920_PRODUCT_ID 0x026b + #define HP_TD620_PRODUCT_ID 0x0956 + #define HP_LD960_PRODUCT_ID 0x0b39 ++#define HP_LD381_PRODUCT_ID 0x0f7f + #define HP_LCM220_PRODUCT_ID 0x3139 + #define HP_LCM960_PRODUCT_ID 0x3239 + #define HP_LD220_PRODUCT_ID 0x3524 +diff --git a/drivers/xen/xenbus/xenbus_comms.c b/drivers/xen/xenbus/xenbus_comms.c +index d239fc3c5e3d..eb5151fc8efa 100644 +--- a/drivers/xen/xenbus/xenbus_comms.c ++++ b/drivers/xen/xenbus/xenbus_comms.c +@@ -313,6 +313,8 @@ static int process_msg(void) + req->msg.type = state.msg.type; + req->msg.len = state.msg.len; + req->body = state.body; ++ /* write body, then update state */ ++ virt_wmb(); + req->state = xb_req_state_got_reply; + req->cb(req); + } else +@@ -395,6 +397,8 @@ static int process_writes(void) + if (state.req->state == xb_req_state_aborted) + kfree(state.req); + else { ++ /* write err, then update state */ ++ virt_wmb(); + state.req->state = xb_req_state_got_reply; + wake_up(&state.req->wq); + } +diff --git a/drivers/xen/xenbus/xenbus_xs.c b/drivers/xen/xenbus/xenbus_xs.c +index 3f3b29398ab8..b609c6e08796 100644 +--- a/drivers/xen/xenbus/xenbus_xs.c ++++ b/drivers/xen/xenbus/xenbus_xs.c +@@ -188,8 +188,11 @@ static bool xenbus_ok(void) + + static bool test_reply(struct xb_req_data *req) + { +- if (req->state == xb_req_state_got_reply || !xenbus_ok()) ++ if (req->state == xb_req_state_got_reply || !xenbus_ok()) { ++ /* read req->state before all other fields */ ++ virt_rmb(); + return true; ++ } + + /* Make sure to reread req->state each time. */ + barrier(); +@@ -199,7 +202,7 @@ static bool test_reply(struct xb_req_data *req) + + static void *read_reply(struct xb_req_data *req) + { +- while (req->state != xb_req_state_got_reply) { ++ do { + wait_event(req->wq, test_reply(req)); + + if (!xenbus_ok()) +@@ -213,7 +216,7 @@ static void *read_reply(struct xb_req_data *req) + if (req->err) + return ERR_PTR(req->err); + +- } ++ } while (req->state != xb_req_state_got_reply); + + return req->body; + } +diff --git a/fs/afs/rxrpc.c b/fs/afs/rxrpc.c +index ccc9c708a860..7dc9c78a1c31 100644 +--- a/fs/afs/rxrpc.c ++++ b/fs/afs/rxrpc.c +@@ -173,7 +173,7 @@ void afs_put_call(struct afs_call *call) + int n = atomic_dec_return(&call->usage); + int o = atomic_read(&afs_outstanding_calls); + +- trace_afs_call(call, afs_call_trace_put, n + 1, o, ++ trace_afs_call(call, afs_call_trace_put, n, o, + __builtin_return_address(0)); + + ASSERTCMP(n, >=, 0); +@@ -619,7 +619,7 @@ static void afs_wake_up_async_call(struct sock *sk, struct rxrpc_call *rxcall, + + u = __atomic_add_unless(&call->usage, 1, 0); + if (u != 0) { +- trace_afs_call(call, afs_call_trace_wake, u, ++ trace_afs_call(call, afs_call_trace_wake, u + 1, + atomic_read(&afs_outstanding_calls), + __builtin_return_address(0)); + +diff --git a/fs/inode.c b/fs/inode.c +index d2a700c5efce..17172b616d22 100644 +--- a/fs/inode.c ++++ b/fs/inode.c +@@ -135,6 +135,7 @@ int inode_init_always(struct super_block *sb, struct inode *inode) + inode->i_sb = sb; + inode->i_blkbits = sb->s_blocksize_bits; + inode->i_flags = 0; ++ atomic64_set(&inode->i_sequence, 0); + atomic_set(&inode->i_count, 1); + inode->i_op = &empty_iops; + inode->i_fop = &no_open_fops; +diff --git a/fs/libfs.c b/fs/libfs.c +index 49623301e5f0..cb9310b091f5 100644 +--- a/fs/libfs.c ++++ b/fs/libfs.c +@@ -802,7 +802,7 @@ int simple_attr_open(struct inode *inode, struct file *file, + { + struct simple_attr *attr; + +- attr = kmalloc(sizeof(*attr), GFP_KERNEL); ++ attr = kzalloc(sizeof(*attr), GFP_KERNEL); + if (!attr) + return -ENOMEM; + +@@ -842,9 +842,11 @@ ssize_t simple_attr_read(struct file *file, char __user *buf, + if (ret) + return ret; + +- if (*ppos) { /* continued read */ ++ if (*ppos && attr->get_buf[0]) { ++ /* continued read */ + size = strlen(attr->get_buf); +- } else { /* first read */ ++ } else { ++ /* first read */ + u64 val; + ret = attr->get(attr->data, &val); + if (ret) +diff --git a/include/linux/fs.h b/include/linux/fs.h +index f0fddf4ea828..a94642fcf93b 100644 +--- a/include/linux/fs.h ++++ b/include/linux/fs.h +@@ -645,6 +645,7 @@ struct inode { + struct rcu_head i_rcu; + }; + u64 i_version; ++ atomic64_t i_sequence; /* see futex */ + atomic_t i_count; + atomic_t i_dio_count; + atomic_t i_writecount; +diff --git a/include/linux/futex.h b/include/linux/futex.h +index a4b6cba699bf..6adb1ccac603 100644 +--- a/include/linux/futex.h ++++ b/include/linux/futex.h +@@ -34,23 +34,26 @@ long do_futex(u32 __user *uaddr, int op, u32 val, ktime_t *timeout, + + union futex_key { + struct { ++ u64 i_seq; + unsigned long pgoff; +- struct inode *inode; +- int offset; ++ unsigned int offset; + } shared; + struct { ++ union { ++ struct mm_struct *mm; ++ u64 __tmp; ++ }; + unsigned long address; +- struct mm_struct *mm; +- int offset; ++ unsigned int offset; + } private; + struct { ++ u64 ptr; + unsigned long word; +- void *ptr; +- int offset; ++ unsigned int offset; + } both; + }; + +-#define FUTEX_KEY_INIT (union futex_key) { .both = { .ptr = NULL } } ++#define FUTEX_KEY_INIT (union futex_key) { .both = { .ptr = 0ULL } } + + #ifdef CONFIG_FUTEX + enum { +diff --git a/include/linux/page-flags.h b/include/linux/page-flags.h +index 5f966c94732b..7cbd8195ffb3 100644 +--- a/include/linux/page-flags.h ++++ b/include/linux/page-flags.h +@@ -264,7 +264,7 @@ static inline int TestClearPage##uname(struct page *page) { return 0; } + + __PAGEFLAG(Locked, locked, PF_NO_TAIL) + PAGEFLAG(Waiters, waiters, PF_ONLY_HEAD) __CLEARPAGEFLAG(Waiters, waiters, PF_ONLY_HEAD) +-PAGEFLAG(Error, error, PF_NO_COMPOUND) TESTCLEARFLAG(Error, error, PF_NO_COMPOUND) ++PAGEFLAG(Error, error, PF_NO_TAIL) TESTCLEARFLAG(Error, error, PF_NO_TAIL) + PAGEFLAG(Referenced, referenced, PF_HEAD) + TESTCLEARFLAG(Referenced, referenced, PF_HEAD) + __SETPAGEFLAG(Referenced, referenced, PF_HEAD) +diff --git a/include/linux/selection.h b/include/linux/selection.h +index 5b278ce99d8d..35937a61da06 100644 +--- a/include/linux/selection.h ++++ b/include/linux/selection.h +@@ -13,8 +13,8 @@ + + struct tty_struct; + +-extern struct vc_data *sel_cons; + struct tty_struct; ++struct vc_data; + + extern void clear_selection(void); + extern int set_selection(const struct tiocl_selection __user *sel, struct tty_struct *tty); +@@ -23,6 +23,8 @@ extern int sel_loadlut(char __user *p); + extern int mouse_reporting(void); + extern void mouse_report(struct tty_struct * tty, int butt, int mrx, int mry); + ++bool vc_is_sel(struct vc_data *vc); ++ + extern int console_blanked; + + extern const unsigned char color_table[]; +diff --git a/include/linux/vmalloc.h b/include/linux/vmalloc.h +index 1e5d8c392f15..29ef33498cb6 100644 +--- a/include/linux/vmalloc.h ++++ b/include/linux/vmalloc.h +@@ -106,8 +106,9 @@ extern int remap_vmalloc_range_partial(struct vm_area_struct *vma, + + extern int remap_vmalloc_range(struct vm_area_struct *vma, void *addr, + unsigned long pgoff); +-void vmalloc_sync_all(void); +- ++void vmalloc_sync_mappings(void); ++void vmalloc_sync_unmappings(void); ++ + /* + * Lowlevel-APIs (not for driver use!) + */ +diff --git a/include/linux/vt_kern.h b/include/linux/vt_kern.h +index 3fd07912909c..a3de234d3350 100644 +--- a/include/linux/vt_kern.h ++++ b/include/linux/vt_kern.h +@@ -142,7 +142,7 @@ static inline bool vt_force_oops_output(struct vc_data *vc) + return false; + } + +-extern char vt_dont_switch; ++extern bool vt_dont_switch; + extern int default_utf8; + extern int global_cursor_default; + +diff --git a/include/trace/events/afs.h b/include/trace/events/afs.h +index 8b95c16b7045..0978bdae2243 100644 +--- a/include/trace/events/afs.h ++++ b/include/trace/events/afs.h +@@ -40,7 +40,7 @@ enum afs_call_trace { + EM(afs_call_trace_free, "FREE ") \ + EM(afs_call_trace_put, "PUT ") \ + EM(afs_call_trace_wake, "WAKE ") \ +- E_(afs_call_trace_work, "WORK ") ++ E_(afs_call_trace_work, "QUEUE") + + /* + * Export enum symbols via userspace. +diff --git a/include/uapi/linux/serio.h b/include/uapi/linux/serio.h +index a0cac1d8670d..1937915be413 100644 +--- a/include/uapi/linux/serio.h ++++ b/include/uapi/linux/serio.h +@@ -9,7 +9,7 @@ + #ifndef _UAPI_SERIO_H + #define _UAPI_SERIO_H + +- ++#include <linux/const.h> + #include <linux/ioctl.h> + + #define SPIOCSTYPE _IOW('q', 0x01, unsigned long) +@@ -18,10 +18,10 @@ + /* + * bit masks for use in "interrupt" flags (3rd argument) + */ +-#define SERIO_TIMEOUT BIT(0) +-#define SERIO_PARITY BIT(1) +-#define SERIO_FRAME BIT(2) +-#define SERIO_OOB_DATA BIT(3) ++#define SERIO_TIMEOUT _BITUL(0) ++#define SERIO_PARITY _BITUL(1) ++#define SERIO_FRAME _BITUL(2) ++#define SERIO_OOB_DATA _BITUL(3) + + /* + * Serio types +diff --git a/kernel/bpf/syscall.c b/kernel/bpf/syscall.c +index f5c1d5479ba3..21073682061d 100644 +--- a/kernel/bpf/syscall.c ++++ b/kernel/bpf/syscall.c +@@ -1364,7 +1364,7 @@ static int bpf_prog_get_info_by_fd(struct bpf_prog *prog, + union bpf_attr __user *uattr) + { + struct bpf_prog_info __user *uinfo = u64_to_user_ptr(attr->info.info); +- struct bpf_prog_info info = {}; ++ struct bpf_prog_info info; + u32 info_len = attr->info.info_len; + char __user *uinsns; + u32 ulen; +@@ -1375,6 +1375,7 @@ static int bpf_prog_get_info_by_fd(struct bpf_prog *prog, + return err; + info_len = min_t(u32, sizeof(info), info_len); + ++ memset(&info, 0, sizeof(info)); + if (copy_from_user(&info, uinfo, info_len)) + return -EFAULT; + +@@ -1420,7 +1421,7 @@ static int bpf_map_get_info_by_fd(struct bpf_map *map, + union bpf_attr __user *uattr) + { + struct bpf_map_info __user *uinfo = u64_to_user_ptr(attr->info.info); +- struct bpf_map_info info = {}; ++ struct bpf_map_info info; + u32 info_len = attr->info.info_len; + int err; + +@@ -1429,6 +1430,7 @@ static int bpf_map_get_info_by_fd(struct bpf_map *map, + return err; + info_len = min_t(u32, sizeof(info), info_len); + ++ memset(&info, 0, sizeof(info)); + info.type = map->map_type; + info.id = map->id; + info.key_size = map->key_size; +@@ -1474,7 +1476,7 @@ static int bpf_obj_get_info_by_fd(const union bpf_attr *attr, + + SYSCALL_DEFINE3(bpf, int, cmd, union bpf_attr __user *, uattr, unsigned int, size) + { +- union bpf_attr attr = {}; ++ union bpf_attr attr; + int err; + + if (sysctl_unprivileged_bpf_disabled && !capable(CAP_SYS_ADMIN)) +@@ -1486,6 +1488,7 @@ SYSCALL_DEFINE3(bpf, int, cmd, union bpf_attr __user *, uattr, unsigned int, siz + size = min_t(u32, size, sizeof(attr)); + + /* copy attributes from user space, may be less than sizeof(bpf_attr) */ ++ memset(&attr, 0, sizeof(attr)); + if (copy_from_user(&attr, uattr, size) != 0) + return -EFAULT; + +diff --git a/kernel/cgroup/cgroup-v1.c b/kernel/cgroup/cgroup-v1.c +index a2c05d2476ac..545f29c5268d 100644 +--- a/kernel/cgroup/cgroup-v1.c ++++ b/kernel/cgroup/cgroup-v1.c +@@ -501,6 +501,7 @@ static void *cgroup_pidlist_next(struct seq_file *s, void *v, loff_t *pos) + */ + p++; + if (p >= end) { ++ (*pos)++; + return NULL; + } else { + *pos = *p; +@@ -823,7 +824,7 @@ void cgroup1_release_agent(struct work_struct *work) + + pathbuf = kmalloc(PATH_MAX, GFP_KERNEL); + agentbuf = kstrdup(cgrp->root->release_agent_path, GFP_KERNEL); +- if (!pathbuf || !agentbuf) ++ if (!pathbuf || !agentbuf || !strlen(agentbuf)) + goto out; + + spin_lock_irq(&css_set_lock); +diff --git a/kernel/futex.c b/kernel/futex.c +index f5aae14c247b..2921ebaa1467 100644 +--- a/kernel/futex.c ++++ b/kernel/futex.c +@@ -401,9 +401,9 @@ static inline int hb_waiters_pending(struct futex_hash_bucket *hb) + */ + static struct futex_hash_bucket *hash_futex(union futex_key *key) + { +- u32 hash = jhash2((u32*)&key->both.word, +- (sizeof(key->both.word)+sizeof(key->both.ptr))/4, ++ u32 hash = jhash2((u32 *)key, offsetof(typeof(*key), both.offset) / 4, + key->both.offset); ++ + return &futex_queues[hash & (futex_hashsize - 1)]; + } + +@@ -445,7 +445,7 @@ static void get_futex_key_refs(union futex_key *key) + + switch (key->both.offset & (FUT_OFF_INODE|FUT_OFF_MMSHARED)) { + case FUT_OFF_INODE: +- ihold(key->shared.inode); /* implies smp_mb(); (B) */ ++ smp_mb(); /* explicit smp_mb(); (B) */ + break; + case FUT_OFF_MMSHARED: + futex_get_mm(key); /* implies smp_mb(); (B) */ +@@ -479,7 +479,6 @@ static void drop_futex_key_refs(union futex_key *key) + + switch (key->both.offset & (FUT_OFF_INODE|FUT_OFF_MMSHARED)) { + case FUT_OFF_INODE: +- iput(key->shared.inode); + break; + case FUT_OFF_MMSHARED: + mmdrop(key->private.mm); +@@ -487,6 +486,46 @@ static void drop_futex_key_refs(union futex_key *key) + } + } + ++/* ++ * Generate a machine wide unique identifier for this inode. ++ * ++ * This relies on u64 not wrapping in the life-time of the machine; which with ++ * 1ns resolution means almost 585 years. ++ * ++ * This further relies on the fact that a well formed program will not unmap ++ * the file while it has a (shared) futex waiting on it. This mapping will have ++ * a file reference which pins the mount and inode. ++ * ++ * If for some reason an inode gets evicted and read back in again, it will get ++ * a new sequence number and will _NOT_ match, even though it is the exact same ++ * file. ++ * ++ * It is important that match_futex() will never have a false-positive, esp. ++ * for PI futexes that can mess up the state. The above argues that false-negatives ++ * are only possible for malformed programs. ++ */ ++static u64 get_inode_sequence_number(struct inode *inode) ++{ ++ static atomic64_t i_seq; ++ u64 old; ++ ++ /* Does the inode already have a sequence number? */ ++ old = atomic64_read(&inode->i_sequence); ++ if (likely(old)) ++ return old; ++ ++ for (;;) { ++ u64 new = atomic64_add_return(1, &i_seq); ++ if (WARN_ON_ONCE(!new)) ++ continue; ++ ++ old = atomic64_cmpxchg_relaxed(&inode->i_sequence, 0, new); ++ if (old) ++ return old; ++ return new; ++ } ++} ++ + /** + * get_futex_key() - Get parameters which are the keys for a futex + * @uaddr: virtual address of the futex +@@ -499,9 +538,15 @@ static void drop_futex_key_refs(union futex_key *key) + * + * The key words are stored in @key on success. + * +- * For shared mappings, it's (page->index, file_inode(vma->vm_file), +- * offset_within_page). For private mappings, it's (uaddr, current->mm). +- * We can usually work out the index without swapping in the page. ++ * For shared mappings (when @fshared), the key is: ++ * ( inode->i_sequence, page->index, offset_within_page ) ++ * [ also see get_inode_sequence_number() ] ++ * ++ * For private mappings (or when !@fshared), the key is: ++ * ( current->mm, address, 0 ) ++ * ++ * This allows (cross process, where applicable) identification of the futex ++ * without keeping the page pinned for the duration of the FUTEX_WAIT. + * + * lock_page() might sleep, the caller should not hold a spinlock. + */ +@@ -641,8 +686,6 @@ again: + key->private.mm = mm; + key->private.address = address; + +- get_futex_key_refs(key); /* implies smp_mb(); (B) */ +- + } else { + struct inode *inode; + +@@ -674,40 +717,14 @@ again: + goto again; + } + +- /* +- * Take a reference unless it is about to be freed. Previously +- * this reference was taken by ihold under the page lock +- * pinning the inode in place so i_lock was unnecessary. The +- * only way for this check to fail is if the inode was +- * truncated in parallel which is almost certainly an +- * application bug. In such a case, just retry. +- * +- * We are not calling into get_futex_key_refs() in file-backed +- * cases, therefore a successful atomic_inc return below will +- * guarantee that get_futex_key() will still imply smp_mb(); (B). +- */ +- if (!atomic_inc_not_zero(&inode->i_count)) { +- rcu_read_unlock(); +- put_page(page); +- +- goto again; +- } +- +- /* Should be impossible but lets be paranoid for now */ +- if (WARN_ON_ONCE(inode->i_mapping != mapping)) { +- err = -EFAULT; +- rcu_read_unlock(); +- iput(inode); +- +- goto out; +- } +- + key->both.offset |= FUT_OFF_INODE; /* inode-based key */ +- key->shared.inode = inode; ++ key->shared.i_seq = get_inode_sequence_number(inode); + key->shared.pgoff = basepage_index(tail); + rcu_read_unlock(); + } + ++ get_futex_key_refs(key); /* implies smp_mb(); (B) */ ++ + out: + put_page(page); + return err; +diff --git a/kernel/irq/manage.c b/kernel/irq/manage.c +index 037e8fc1b008..5277949e82e0 100644 +--- a/kernel/irq/manage.c ++++ b/kernel/irq/manage.c +@@ -224,7 +224,11 @@ int irq_set_affinity_locked(struct irq_data *data, const struct cpumask *mask, + + if (desc->affinity_notify) { + kref_get(&desc->affinity_notify->kref); +- schedule_work(&desc->affinity_notify->work); ++ if (!schedule_work(&desc->affinity_notify->work)) { ++ /* Work was already scheduled, drop our extra ref */ ++ kref_put(&desc->affinity_notify->kref, ++ desc->affinity_notify->release); ++ } + } + irqd_set(data, IRQD_AFFINITY_SET); + +@@ -324,7 +328,10 @@ irq_set_affinity_notifier(unsigned int irq, struct irq_affinity_notify *notify) + raw_spin_unlock_irqrestore(&desc->lock, flags); + + if (old_notify) { +- cancel_work_sync(&old_notify->work); ++ if (cancel_work_sync(&old_notify->work)) { ++ /* Pending work had a ref, put that one too */ ++ kref_put(&old_notify->kref, old_notify->release); ++ } + kref_put(&old_notify->kref, old_notify->release); + } + +diff --git a/kernel/notifier.c b/kernel/notifier.c +index 6196af8a8223..59a1e9b48a6a 100644 +--- a/kernel/notifier.c ++++ b/kernel/notifier.c +@@ -552,7 +552,7 @@ NOKPROBE_SYMBOL(notify_die); + + int register_die_notifier(struct notifier_block *nb) + { +- vmalloc_sync_all(); ++ vmalloc_sync_mappings(); + return atomic_notifier_chain_register(&die_chain, nb); + } + EXPORT_SYMBOL_GPL(register_die_notifier); +diff --git a/mm/memcontrol.c b/mm/memcontrol.c +index 5d6ebd1449f0..d8df500e0eea 100644 +--- a/mm/memcontrol.c ++++ b/mm/memcontrol.c +@@ -3518,7 +3518,7 @@ static void __mem_cgroup_usage_unregister_event(struct mem_cgroup *memcg, + struct mem_cgroup_thresholds *thresholds; + struct mem_cgroup_threshold_ary *new; + unsigned long usage; +- int i, j, size; ++ int i, j, size, entries; + + mutex_lock(&memcg->thresholds_lock); + +@@ -3538,14 +3538,20 @@ static void __mem_cgroup_usage_unregister_event(struct mem_cgroup *memcg, + __mem_cgroup_threshold(memcg, type == _MEMSWAP); + + /* Calculate new number of threshold */ +- size = 0; ++ size = entries = 0; + for (i = 0; i < thresholds->primary->size; i++) { + if (thresholds->primary->entries[i].eventfd != eventfd) + size++; ++ else ++ entries++; + } + + new = thresholds->spare; + ++ /* If no items related to eventfd have been cleared, nothing to do */ ++ if (!entries) ++ goto unlock; ++ + /* Set thresholds array to NULL if we don't have thresholds */ + if (!size) { + kfree(new); +diff --git a/mm/nommu.c b/mm/nommu.c +index 17c00d93de2e..13fc62d97544 100644 +--- a/mm/nommu.c ++++ b/mm/nommu.c +@@ -450,10 +450,14 @@ void vm_unmap_aliases(void) + EXPORT_SYMBOL_GPL(vm_unmap_aliases); + + /* +- * Implement a stub for vmalloc_sync_all() if the architecture chose not to +- * have one. ++ * Implement a stub for vmalloc_sync_[un]mapping() if the architecture ++ * chose not to have one. + */ +-void __weak vmalloc_sync_all(void) ++void __weak vmalloc_sync_mappings(void) ++{ ++} ++ ++void __weak vmalloc_sync_unmappings(void) + { + } + +diff --git a/mm/slub.c b/mm/slub.c +index 099c7a85ede0..958a8f7a3c25 100644 +--- a/mm/slub.c ++++ b/mm/slub.c +@@ -1923,8 +1923,6 @@ static void *get_partial(struct kmem_cache *s, gfp_t flags, int node, + + if (node == NUMA_NO_NODE) + searchnode = numa_mem_id(); +- else if (!node_present_pages(node)) +- searchnode = node_to_mem_node(node); + + object = get_partial_node(s, get_node(s, searchnode), c, flags); + if (object || node != NUMA_NO_NODE) +@@ -2521,17 +2519,27 @@ static void *___slab_alloc(struct kmem_cache *s, gfp_t gfpflags, int node, + struct page *page; + + page = c->page; +- if (!page) ++ if (!page) { ++ /* ++ * if the node is not online or has no normal memory, just ++ * ignore the node constraint ++ */ ++ if (unlikely(node != NUMA_NO_NODE && ++ !node_state(node, N_NORMAL_MEMORY))) ++ node = NUMA_NO_NODE; + goto new_slab; ++ } + redo: + + if (unlikely(!node_match(page, node))) { +- int searchnode = node; +- +- if (node != NUMA_NO_NODE && !node_present_pages(node)) +- searchnode = node_to_mem_node(node); +- +- if (unlikely(!node_match(page, searchnode))) { ++ /* ++ * same as above but node_match() being false already ++ * implies node != NUMA_NO_NODE ++ */ ++ if (!node_state(node, N_NORMAL_MEMORY)) { ++ node = NUMA_NO_NODE; ++ goto redo; ++ } else { + stat(s, ALLOC_NODE_MISMATCH); + deactivate_slab(s, page, c->freelist, c); + goto new_slab; +@@ -2943,11 +2951,13 @@ redo: + barrier(); + + if (likely(page == c->page)) { +- set_freepointer(s, tail_obj, c->freelist); ++ void **freelist = READ_ONCE(c->freelist); ++ ++ set_freepointer(s, tail_obj, freelist); + + if (unlikely(!this_cpu_cmpxchg_double( + s->cpu_slab->freelist, s->cpu_slab->tid, +- c->freelist, tid, ++ freelist, tid, + head, next_tid(tid)))) { + + note_cmpxchg_failure("slab_free", s, tid); +diff --git a/mm/vmalloc.c b/mm/vmalloc.c +index 0b8852d80f44..d00961ba0c42 100644 +--- a/mm/vmalloc.c ++++ b/mm/vmalloc.c +@@ -1769,7 +1769,7 @@ void *__vmalloc_node_range(unsigned long size, unsigned long align, + * First make sure the mappings are removed from all page-tables + * before they are freed. + */ +- vmalloc_sync_all(); ++ vmalloc_sync_unmappings(); + + /* + * In this function, newly allocated vm_struct has VM_UNINITIALIZED +@@ -2318,16 +2318,19 @@ int remap_vmalloc_range(struct vm_area_struct *vma, void *addr, + EXPORT_SYMBOL(remap_vmalloc_range); + + /* +- * Implement a stub for vmalloc_sync_all() if the architecture chose not to +- * have one. ++ * Implement stubs for vmalloc_sync_[un]mappings () if the architecture chose ++ * not to have one. + * + * The purpose of this function is to make sure the vmalloc area + * mappings are identical in all page-tables in the system. + */ +-void __weak vmalloc_sync_all(void) ++void __weak vmalloc_sync_mappings(void) + { + } + ++void __weak vmalloc_sync_unmappings(void) ++{ ++} + + static int f(pte_t *pte, pgtable_t table, unsigned long addr, void *data) + { +diff --git a/net/dsa/tag_brcm.c b/net/dsa/tag_brcm.c +index de92fc1fc3be..b3b918afd212 100644 +--- a/net/dsa/tag_brcm.c ++++ b/net/dsa/tag_brcm.c +@@ -134,6 +134,8 @@ static struct sk_buff *brcm_tag_rcv(struct sk_buff *skb, struct net_device *dev, + + skb->dev = ds->ports[source_port].netdev; + ++ skb->offload_fwd_mark = 1; ++ + return skb; + } + +diff --git a/net/hsr/hsr_framereg.c b/net/hsr/hsr_framereg.c +index 6705420b3111..d7206581145d 100644 +--- a/net/hsr/hsr_framereg.c ++++ b/net/hsr/hsr_framereg.c +@@ -468,13 +468,9 @@ int hsr_get_node_data(struct hsr_priv *hsr, + struct hsr_port *port; + unsigned long tdiff; + +- +- rcu_read_lock(); + node = find_node_by_AddrA(&hsr->node_db, addr); +- if (!node) { +- rcu_read_unlock(); +- return -ENOENT; /* No such entry */ +- } ++ if (!node) ++ return -ENOENT; + + ether_addr_copy(addr_b, node->MacAddressB); + +@@ -509,7 +505,5 @@ int hsr_get_node_data(struct hsr_priv *hsr, + *addr_b_ifindex = -1; + } + +- rcu_read_unlock(); +- + return 0; + } +diff --git a/net/hsr/hsr_netlink.c b/net/hsr/hsr_netlink.c +index b9cce0fd5696..37708dabebd1 100644 +--- a/net/hsr/hsr_netlink.c ++++ b/net/hsr/hsr_netlink.c +@@ -259,17 +259,16 @@ static int hsr_get_node_status(struct sk_buff *skb_in, struct genl_info *info) + if (!na) + goto invalid; + +- hsr_dev = __dev_get_by_index(genl_info_net(info), +- nla_get_u32(info->attrs[HSR_A_IFINDEX])); ++ rcu_read_lock(); ++ hsr_dev = dev_get_by_index_rcu(genl_info_net(info), ++ nla_get_u32(info->attrs[HSR_A_IFINDEX])); + if (!hsr_dev) +- goto invalid; ++ goto rcu_unlock; + if (!is_hsr_master(hsr_dev)) +- goto invalid; +- ++ goto rcu_unlock; + + /* Send reply */ +- +- skb_out = genlmsg_new(NLMSG_GOODSIZE, GFP_KERNEL); ++ skb_out = genlmsg_new(NLMSG_GOODSIZE, GFP_ATOMIC); + if (!skb_out) { + res = -ENOMEM; + goto fail; +@@ -321,12 +320,10 @@ static int hsr_get_node_status(struct sk_buff *skb_in, struct genl_info *info) + res = nla_put_u16(skb_out, HSR_A_IF1_SEQ, hsr_node_if1_seq); + if (res < 0) + goto nla_put_failure; +- rcu_read_lock(); + port = hsr_port_get_hsr(hsr, HSR_PT_SLAVE_A); + if (port) + res = nla_put_u32(skb_out, HSR_A_IF1_IFINDEX, + port->dev->ifindex); +- rcu_read_unlock(); + if (res < 0) + goto nla_put_failure; + +@@ -336,20 +333,22 @@ static int hsr_get_node_status(struct sk_buff *skb_in, struct genl_info *info) + res = nla_put_u16(skb_out, HSR_A_IF2_SEQ, hsr_node_if2_seq); + if (res < 0) + goto nla_put_failure; +- rcu_read_lock(); + port = hsr_port_get_hsr(hsr, HSR_PT_SLAVE_B); + if (port) + res = nla_put_u32(skb_out, HSR_A_IF2_IFINDEX, + port->dev->ifindex); +- rcu_read_unlock(); + if (res < 0) + goto nla_put_failure; + ++ rcu_read_unlock(); ++ + genlmsg_end(skb_out, msg_head); + genlmsg_unicast(genl_info_net(info), skb_out, info->snd_portid); + + return 0; + ++rcu_unlock: ++ rcu_read_unlock(); + invalid: + netlink_ack(skb_in, nlmsg_hdr(skb_in), -EINVAL, NULL); + return 0; +@@ -359,6 +358,7 @@ nla_put_failure: + /* Fall through */ + + fail: ++ rcu_read_unlock(); + return res; + } + +@@ -366,16 +366,14 @@ fail: + */ + static int hsr_get_node_list(struct sk_buff *skb_in, struct genl_info *info) + { +- /* For receiving */ +- struct nlattr *na; ++ unsigned char addr[ETH_ALEN]; + struct net_device *hsr_dev; +- +- /* For sending */ + struct sk_buff *skb_out; +- void *msg_head; + struct hsr_priv *hsr; +- void *pos; +- unsigned char addr[ETH_ALEN]; ++ bool restart = false; ++ struct nlattr *na; ++ void *pos = NULL; ++ void *msg_head; + int res; + + if (!info) +@@ -385,17 +383,17 @@ static int hsr_get_node_list(struct sk_buff *skb_in, struct genl_info *info) + if (!na) + goto invalid; + +- hsr_dev = __dev_get_by_index(genl_info_net(info), +- nla_get_u32(info->attrs[HSR_A_IFINDEX])); ++ rcu_read_lock(); ++ hsr_dev = dev_get_by_index_rcu(genl_info_net(info), ++ nla_get_u32(info->attrs[HSR_A_IFINDEX])); + if (!hsr_dev) +- goto invalid; ++ goto rcu_unlock; + if (!is_hsr_master(hsr_dev)) +- goto invalid; +- ++ goto rcu_unlock; + ++restart: + /* Send reply */ +- +- skb_out = genlmsg_new(NLMSG_GOODSIZE, GFP_KERNEL); ++ skb_out = genlmsg_new(GENLMSG_DEFAULT_SIZE, GFP_ATOMIC); + if (!skb_out) { + res = -ENOMEM; + goto fail; +@@ -409,18 +407,26 @@ static int hsr_get_node_list(struct sk_buff *skb_in, struct genl_info *info) + goto nla_put_failure; + } + +- res = nla_put_u32(skb_out, HSR_A_IFINDEX, hsr_dev->ifindex); +- if (res < 0) +- goto nla_put_failure; ++ if (!restart) { ++ res = nla_put_u32(skb_out, HSR_A_IFINDEX, hsr_dev->ifindex); ++ if (res < 0) ++ goto nla_put_failure; ++ } + + hsr = netdev_priv(hsr_dev); + +- rcu_read_lock(); +- pos = hsr_get_next_node(hsr, NULL, addr); ++ if (!pos) ++ pos = hsr_get_next_node(hsr, NULL, addr); + while (pos) { + res = nla_put(skb_out, HSR_A_NODE_ADDR, ETH_ALEN, addr); + if (res < 0) { +- rcu_read_unlock(); ++ if (res == -EMSGSIZE) { ++ genlmsg_end(skb_out, msg_head); ++ genlmsg_unicast(genl_info_net(info), skb_out, ++ info->snd_portid); ++ restart = true; ++ goto restart; ++ } + goto nla_put_failure; + } + pos = hsr_get_next_node(hsr, pos, addr); +@@ -432,15 +438,18 @@ static int hsr_get_node_list(struct sk_buff *skb_in, struct genl_info *info) + + return 0; + ++rcu_unlock: ++ rcu_read_unlock(); + invalid: + netlink_ack(skb_in, nlmsg_hdr(skb_in), -EINVAL, NULL); + return 0; + + nla_put_failure: +- kfree_skb(skb_out); ++ nlmsg_free(skb_out); + /* Fall through */ + + fail: ++ rcu_read_unlock(); + return res; + } + +@@ -467,6 +476,7 @@ static struct genl_family hsr_genl_family __ro_after_init = { + .name = "HSR", + .version = 1, + .maxattr = HSR_A_MAX, ++ .netnsok = true, + .module = THIS_MODULE, + .ops = hsr_ops, + .n_ops = ARRAY_SIZE(hsr_ops), +diff --git a/net/hsr/hsr_slave.c b/net/hsr/hsr_slave.c +index 5fee6ec7c93d..b215df0bce0e 100644 +--- a/net/hsr/hsr_slave.c ++++ b/net/hsr/hsr_slave.c +@@ -152,16 +152,16 @@ int hsr_add_port(struct hsr_priv *hsr, struct net_device *dev, + if (port == NULL) + return -ENOMEM; + ++ port->hsr = hsr; ++ port->dev = dev; ++ port->type = type; ++ + if (type != HSR_PT_MASTER) { + res = hsr_portdev_setup(dev, port); + if (res) + goto fail_dev_setup; + } + +- port->hsr = hsr; +- port->dev = dev; +- port->type = type; +- + list_add_tail_rcu(&port->port_list, &hsr->ports); + synchronize_rcu(); + +diff --git a/net/ipv4/Kconfig b/net/ipv4/Kconfig +index f48fe6fc7e8c..4abc4ba733bf 100644 +--- a/net/ipv4/Kconfig ++++ b/net/ipv4/Kconfig +@@ -297,6 +297,7 @@ config SYN_COOKIES + + config NET_IPVTI + tristate "Virtual (secure) IP: tunneling" ++ depends on IPV6 || IPV6=n + select INET_TUNNEL + select NET_IP_TUNNEL + depends on INET_XFRM_MODE_TUNNEL +diff --git a/net/ipv4/ip_vti.c b/net/ipv4/ip_vti.c +index 59384ffe89f7..b930ab5cf140 100644 +--- a/net/ipv4/ip_vti.c ++++ b/net/ipv4/ip_vti.c +@@ -208,17 +208,39 @@ static netdev_tx_t vti_xmit(struct sk_buff *skb, struct net_device *dev, + int mtu; + + if (!dst) { +- struct rtable *rt; +- +- fl->u.ip4.flowi4_oif = dev->ifindex; +- fl->u.ip4.flowi4_flags |= FLOWI_FLAG_ANYSRC; +- rt = __ip_route_output_key(dev_net(dev), &fl->u.ip4); +- if (IS_ERR(rt)) { ++ switch (skb->protocol) { ++ case htons(ETH_P_IP): { ++ struct rtable *rt; ++ ++ fl->u.ip4.flowi4_oif = dev->ifindex; ++ fl->u.ip4.flowi4_flags |= FLOWI_FLAG_ANYSRC; ++ rt = __ip_route_output_key(dev_net(dev), &fl->u.ip4); ++ if (IS_ERR(rt)) { ++ dev->stats.tx_carrier_errors++; ++ goto tx_error_icmp; ++ } ++ dst = &rt->dst; ++ skb_dst_set(skb, dst); ++ break; ++ } ++#if IS_ENABLED(CONFIG_IPV6) ++ case htons(ETH_P_IPV6): ++ fl->u.ip6.flowi6_oif = dev->ifindex; ++ fl->u.ip6.flowi6_flags |= FLOWI_FLAG_ANYSRC; ++ dst = ip6_route_output(dev_net(dev), NULL, &fl->u.ip6); ++ if (dst->error) { ++ dst_release(dst); ++ dst = NULL; ++ dev->stats.tx_carrier_errors++; ++ goto tx_error_icmp; ++ } ++ skb_dst_set(skb, dst); ++ break; ++#endif ++ default: + dev->stats.tx_carrier_errors++; + goto tx_error_icmp; + } +- dst = &rt->dst; +- skb_dst_set(skb, dst); + } + + dst_hold(dst); +diff --git a/net/ipv4/route.c b/net/ipv4/route.c +index 8b855d3eec9e..05fe1d007544 100644 +--- a/net/ipv4/route.c ++++ b/net/ipv4/route.c +@@ -1014,21 +1014,22 @@ out: kfree_skb(skb); + static void __ip_rt_update_pmtu(struct rtable *rt, struct flowi4 *fl4, u32 mtu) + { + struct dst_entry *dst = &rt->dst; ++ u32 old_mtu = ipv4_mtu(dst); + struct fib_result res; + bool lock = false; + + if (ip_mtu_locked(dst)) + return; + +- if (ipv4_mtu(dst) < mtu) ++ if (old_mtu < mtu) + return; + + if (mtu < ip_rt_min_pmtu) { + lock = true; +- mtu = ip_rt_min_pmtu; ++ mtu = min(old_mtu, ip_rt_min_pmtu); + } + +- if (rt->rt_pmtu == mtu && ++ if (rt->rt_pmtu == mtu && !lock && + time_before(jiffies, dst->expires - ip_rt_mtu_expires / 2)) + return; + +diff --git a/net/ipv6/ip6_vti.c b/net/ipv6/ip6_vti.c +index 396a0f61f5f8..207bf342e995 100644 +--- a/net/ipv6/ip6_vti.c ++++ b/net/ipv6/ip6_vti.c +@@ -315,7 +315,7 @@ static int vti6_rcv(struct sk_buff *skb) + + if (!xfrm6_policy_check(NULL, XFRM_POLICY_IN, skb)) { + rcu_read_unlock(); +- return 0; ++ goto discard; + } + + ipv6h = ipv6_hdr(skb); +@@ -454,15 +454,33 @@ vti6_xmit(struct sk_buff *skb, struct net_device *dev, struct flowi *fl) + int mtu; + + if (!dst) { +- fl->u.ip6.flowi6_oif = dev->ifindex; +- fl->u.ip6.flowi6_flags |= FLOWI_FLAG_ANYSRC; +- dst = ip6_route_output(dev_net(dev), NULL, &fl->u.ip6); +- if (dst->error) { +- dst_release(dst); +- dst = NULL; ++ switch (skb->protocol) { ++ case htons(ETH_P_IP): { ++ struct rtable *rt; ++ ++ fl->u.ip4.flowi4_oif = dev->ifindex; ++ fl->u.ip4.flowi4_flags |= FLOWI_FLAG_ANYSRC; ++ rt = __ip_route_output_key(dev_net(dev), &fl->u.ip4); ++ if (IS_ERR(rt)) ++ goto tx_err_link_failure; ++ dst = &rt->dst; ++ skb_dst_set(skb, dst); ++ break; ++ } ++ case htons(ETH_P_IPV6): ++ fl->u.ip6.flowi6_oif = dev->ifindex; ++ fl->u.ip6.flowi6_flags |= FLOWI_FLAG_ANYSRC; ++ dst = ip6_route_output(dev_net(dev), NULL, &fl->u.ip6); ++ if (dst->error) { ++ dst_release(dst); ++ dst = NULL; ++ goto tx_err_link_failure; ++ } ++ skb_dst_set(skb, dst); ++ break; ++ default: + goto tx_err_link_failure; + } +- skb_dst_set(skb, dst); + } + + dst_hold(dst); +diff --git a/net/ipv6/tcp_ipv6.c b/net/ipv6/tcp_ipv6.c +index 5ec73cf386df..7b4ce3f9e2f4 100644 +--- a/net/ipv6/tcp_ipv6.c ++++ b/net/ipv6/tcp_ipv6.c +@@ -718,7 +718,6 @@ static void tcp_v6_init_req(struct request_sock *req, + const struct sock *sk_listener, + struct sk_buff *skb) + { +- bool l3_slave = ipv6_l3mdev_skb(TCP_SKB_CB(skb)->header.h6.flags); + struct inet_request_sock *ireq = inet_rsk(req); + const struct ipv6_pinfo *np = inet6_sk(sk_listener); + +@@ -726,7 +725,7 @@ static void tcp_v6_init_req(struct request_sock *req, + ireq->ir_v6_loc_addr = ipv6_hdr(skb)->daddr; + + /* So that link locals have meaning */ +- if ((!sk_listener->sk_bound_dev_if || l3_slave) && ++ if (!sk_listener->sk_bound_dev_if && + ipv6_addr_type(&ireq->ir_v6_rmt_addr) & IPV6_ADDR_LINKLOCAL) + ireq->ir_iif = tcp_v6_iif(skb); + +diff --git a/net/mac80211/mesh_hwmp.c b/net/mac80211/mesh_hwmp.c +index 994dde6e5f9d..986e9b6b961d 100644 +--- a/net/mac80211/mesh_hwmp.c ++++ b/net/mac80211/mesh_hwmp.c +@@ -1137,7 +1137,8 @@ int mesh_nexthop_resolve(struct ieee80211_sub_if_data *sdata, + } + } + +- if (!(mpath->flags & MESH_PATH_RESOLVING)) ++ if (!(mpath->flags & MESH_PATH_RESOLVING) && ++ mesh_path_sel_is_hwmp(sdata)) + mesh_queue_preq(mpath, PREQ_Q_F_START); + + if (skb_queue_len(&mpath->frame_queue) >= MESH_FRAME_QUEUE_LEN) +diff --git a/net/mac80211/sta_info.c b/net/mac80211/sta_info.c +index 627dc642f894..77ab9cc1a230 100644 +--- a/net/mac80211/sta_info.c ++++ b/net/mac80211/sta_info.c +@@ -3,6 +3,7 @@ + * Copyright 2006-2007 Jiri Benc <jbenc@suse.cz> + * Copyright 2013-2014 Intel Mobile Communications GmbH + * Copyright (C) 2015 - 2017 Intel Deutschland GmbH ++ * Copyright (C) 2018-2020 Intel Corporation + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as +@@ -951,6 +952,11 @@ static void __sta_info_destroy_part2(struct sta_info *sta) + might_sleep(); + lockdep_assert_held(&local->sta_mtx); + ++ while (sta->sta_state == IEEE80211_STA_AUTHORIZED) { ++ ret = sta_info_move_state(sta, IEEE80211_STA_ASSOC); ++ WARN_ON_ONCE(ret); ++ } ++ + /* now keys can no longer be reached */ + ieee80211_free_sta_keys(local, sta); + +diff --git a/net/mac80211/tx.c b/net/mac80211/tx.c +index 09c7aa519ca8..513d071ccac7 100644 +--- a/net/mac80211/tx.c ++++ b/net/mac80211/tx.c +@@ -3451,8 +3451,26 @@ begin: + tx.skb = skb; + tx.sdata = vif_to_sdata(info->control.vif); + +- if (txq->sta) ++ if (txq->sta) { + tx.sta = container_of(txq->sta, struct sta_info, sta); ++ /* ++ * Drop unicast frames to unauthorised stations unless they are ++ * EAPOL frames from the local station. ++ */ ++ if (unlikely(ieee80211_is_data(hdr->frame_control) && ++ !ieee80211_vif_is_mesh(&tx.sdata->vif) && ++ tx.sdata->vif.type != NL80211_IFTYPE_OCB && ++ !is_multicast_ether_addr(hdr->addr1) && ++ !test_sta_flag(tx.sta, WLAN_STA_AUTHORIZED) && ++ (!(info->control.flags & ++ IEEE80211_TX_CTRL_PORT_CTRL_PROTO) || ++ !ether_addr_equal(tx.sdata->vif.addr, ++ hdr->addr2)))) { ++ I802_DEBUG_INC(local->tx_handlers_drop_unauth_port); ++ ieee80211_free_txskb(&local->hw, skb); ++ goto begin; ++ } ++ } + + /* + * The key can be removed while the packet was queued, so need to call +diff --git a/net/netfilter/nft_fwd_netdev.c b/net/netfilter/nft_fwd_netdev.c +index ce13a50b9189..ee190fa4dc34 100644 +--- a/net/netfilter/nft_fwd_netdev.c ++++ b/net/netfilter/nft_fwd_netdev.c +@@ -62,6 +62,13 @@ nla_put_failure: + return -1; + } + ++static int nft_fwd_validate(const struct nft_ctx *ctx, ++ const struct nft_expr *expr, ++ const struct nft_data **data) ++{ ++ return nft_chain_validate_hooks(ctx->chain, (1 << NF_NETDEV_INGRESS)); ++} ++ + static struct nft_expr_type nft_fwd_netdev_type; + static const struct nft_expr_ops nft_fwd_netdev_ops = { + .type = &nft_fwd_netdev_type, +@@ -69,6 +76,7 @@ static const struct nft_expr_ops nft_fwd_netdev_ops = { + .eval = nft_fwd_netdev_eval, + .init = nft_fwd_netdev_init, + .dump = nft_fwd_netdev_dump, ++ .validate = nft_fwd_validate, + }; + + static struct nft_expr_type nft_fwd_netdev_type __read_mostly = { +diff --git a/net/packet/af_packet.c b/net/packet/af_packet.c +index 387589a4a340..102750bd751c 100644 +--- a/net/packet/af_packet.c ++++ b/net/packet/af_packet.c +@@ -2204,6 +2204,7 @@ static int tpacket_rcv(struct sk_buff *skb, struct net_device *dev, + struct timespec ts; + __u32 ts_status; + bool is_drop_n_account = false; ++ unsigned int slot_id = 0; + bool do_vnet = false; + + /* struct tpacket{2,3}_hdr is aligned to a multiple of TPACKET_ALIGNMENT. +@@ -2300,6 +2301,13 @@ static int tpacket_rcv(struct sk_buff *skb, struct net_device *dev, + if (!h.raw) + goto drop_n_account; + ++ if (po->tp_version <= TPACKET_V2) { ++ slot_id = po->rx_ring.head; ++ if (test_bit(slot_id, po->rx_ring.rx_owner_map)) ++ goto drop_n_account; ++ __set_bit(slot_id, po->rx_ring.rx_owner_map); ++ } ++ + if (do_vnet && + virtio_net_hdr_from_skb(skb, h.raw + macoff - + sizeof(struct virtio_net_hdr), +@@ -2405,7 +2413,10 @@ static int tpacket_rcv(struct sk_buff *skb, struct net_device *dev, + #endif + + if (po->tp_version <= TPACKET_V2) { ++ spin_lock(&sk->sk_receive_queue.lock); + __packet_set_status(po, h.raw, status); ++ __clear_bit(slot_id, po->rx_ring.rx_owner_map); ++ spin_unlock(&sk->sk_receive_queue.lock); + sk->sk_data_ready(sk); + } else { + prb_clear_blk_fill_status(&po->rx_ring); +@@ -4298,6 +4309,7 @@ static int packet_set_ring(struct sock *sk, union tpacket_req_u *req_u, + { + struct pgv *pg_vec = NULL; + struct packet_sock *po = pkt_sk(sk); ++ unsigned long *rx_owner_map = NULL; + int was_running, order = 0; + struct packet_ring_buffer *rb; + struct sk_buff_head *rb_queue; +@@ -4383,6 +4395,12 @@ static int packet_set_ring(struct sock *sk, union tpacket_req_u *req_u, + } + break; + default: ++ if (!tx_ring) { ++ rx_owner_map = bitmap_alloc(req->tp_frame_nr, ++ GFP_KERNEL | __GFP_NOWARN | __GFP_ZERO); ++ if (!rx_owner_map) ++ goto out_free_pg_vec; ++ } + break; + } + } +@@ -4412,6 +4430,8 @@ static int packet_set_ring(struct sock *sk, union tpacket_req_u *req_u, + err = 0; + spin_lock_bh(&rb_queue->lock); + swap(rb->pg_vec, pg_vec); ++ if (po->tp_version <= TPACKET_V2) ++ swap(rb->rx_owner_map, rx_owner_map); + rb->frame_max = (req->tp_frame_nr - 1); + rb->head = 0; + rb->frame_size = req->tp_frame_size; +@@ -4443,6 +4463,7 @@ static int packet_set_ring(struct sock *sk, union tpacket_req_u *req_u, + } + + out_free_pg_vec: ++ bitmap_free(rx_owner_map); + if (pg_vec) + free_pg_vec(pg_vec, order, req->tp_block_nr); + out: +diff --git a/net/packet/internal.h b/net/packet/internal.h +index c70a2794456f..f10294800aaf 100644 +--- a/net/packet/internal.h ++++ b/net/packet/internal.h +@@ -70,7 +70,10 @@ struct packet_ring_buffer { + + unsigned int __percpu *pending_refcnt; + +- struct tpacket_kbdq_core prb_bdqc; ++ union { ++ unsigned long *rx_owner_map; ++ struct tpacket_kbdq_core prb_bdqc; ++ }; + }; + + extern struct mutex fanout_mutex; +diff --git a/net/sched/cls_route.c b/net/sched/cls_route.c +index ac9a5b8825b9..4f133faa9e60 100644 +--- a/net/sched/cls_route.c ++++ b/net/sched/cls_route.c +@@ -539,8 +539,8 @@ static int route4_change(struct net *net, struct sk_buff *in_skb, + fp = &b->ht[h]; + for (pfp = rtnl_dereference(*fp); pfp; + fp = &pfp->next, pfp = rtnl_dereference(*fp)) { +- if (pfp == f) { +- *fp = f->next; ++ if (pfp == fold) { ++ rcu_assign_pointer(*fp, fold->next); + break; + } + } +diff --git a/net/sched/cls_tcindex.c b/net/sched/cls_tcindex.c +index 796b4e1beb12..c2d2c054a4e4 100644 +--- a/net/sched/cls_tcindex.c ++++ b/net/sched/cls_tcindex.c +@@ -375,6 +375,7 @@ tcindex_set_parms(struct net *net, struct tcf_proto *tp, unsigned long base, + + if (tcindex_alloc_perfect_hash(cp) < 0) + goto errout; ++ cp->alloc_hash = cp->hash; + for (i = 0; i < min(cp->hash, p->hash); i++) + cp->perfect[i].res = p->perfect[i].res; + balloc = 1; +diff --git a/net/xfrm/xfrm_device.c b/net/xfrm/xfrm_device.c +index 4e458fd9236a..c58557193527 100644 +--- a/net/xfrm/xfrm_device.c ++++ b/net/xfrm/xfrm_device.c +@@ -187,6 +187,7 @@ static int xfrm_dev_event(struct notifier_block *this, unsigned long event, void + return xfrm_dev_feat_change(dev); + + case NETDEV_DOWN: ++ case NETDEV_UNREGISTER: + return xfrm_dev_down(dev); + } + return NOTIFY_DONE; +diff --git a/net/xfrm/xfrm_policy.c b/net/xfrm/xfrm_policy.c +index b5006a091fd6..f76bb5237df3 100644 +--- a/net/xfrm/xfrm_policy.c ++++ b/net/xfrm/xfrm_policy.c +@@ -301,7 +301,9 @@ EXPORT_SYMBOL(xfrm_policy_destroy); + + static void xfrm_policy_kill(struct xfrm_policy *policy) + { ++ write_lock_bh(&policy->lock); + policy->walk.dead = 1; ++ write_unlock_bh(&policy->lock); + + atomic_inc(&policy->genid); + +diff --git a/net/xfrm/xfrm_user.c b/net/xfrm/xfrm_user.c +index 339a070da597..86084086a472 100644 +--- a/net/xfrm/xfrm_user.c ++++ b/net/xfrm/xfrm_user.c +@@ -109,7 +109,8 @@ static inline int verify_sec_ctx_len(struct nlattr **attrs) + return 0; + + uctx = nla_data(rt); +- if (uctx->len != (sizeof(struct xfrm_user_sec_ctx) + uctx->ctx_len)) ++ if (uctx->len > nla_len(rt) || ++ uctx->len != (sizeof(struct xfrm_user_sec_ctx) + uctx->ctx_len)) + return -EINVAL; + + return 0; +@@ -2211,6 +2212,9 @@ static int xfrm_add_acquire(struct sk_buff *skb, struct nlmsghdr *nlh, + xfrm_mark_get(attrs, &mark); + + err = verify_newpolicy_info(&ua->policy); ++ if (err) ++ goto free_state; ++ err = verify_sec_ctx_len(attrs); + if (err) + goto free_state; + +diff --git a/scripts/Makefile.extrawarn b/scripts/Makefile.extrawarn +index 8d5357053f86..486e135d3e30 100644 +--- a/scripts/Makefile.extrawarn ++++ b/scripts/Makefile.extrawarn +@@ -72,5 +72,6 @@ KBUILD_CFLAGS += $(call cc-disable-warning, format) + KBUILD_CFLAGS += $(call cc-disable-warning, sign-compare) + KBUILD_CFLAGS += $(call cc-disable-warning, format-zero-length) + KBUILD_CFLAGS += $(call cc-disable-warning, uninitialized) ++KBUILD_CFLAGS += $(call cc-disable-warning, pointer-to-enum-cast) + endif + endif +diff --git a/scripts/dtc/dtc-lexer.l b/scripts/dtc/dtc-lexer.l +index fd825ebba69c..24af54997758 100644 +--- a/scripts/dtc/dtc-lexer.l ++++ b/scripts/dtc/dtc-lexer.l +@@ -38,7 +38,6 @@ LINECOMMENT "//".*\n + #include "srcpos.h" + #include "dtc-parser.tab.h" + +-YYLTYPE yylloc; + extern bool treesource_error; + + /* CAUTION: this will stop working if we ever use yyless() or yyunput() */ +diff --git a/scripts/dtc/dtc-lexer.lex.c_shipped b/scripts/dtc/dtc-lexer.lex.c_shipped +index 64c243772398..9db3a409c507 100644 +--- a/scripts/dtc/dtc-lexer.lex.c_shipped ++++ b/scripts/dtc/dtc-lexer.lex.c_shipped +@@ -631,7 +631,6 @@ char *yytext; + #include "srcpos.h" + #include "dtc-parser.tab.h" + +-YYLTYPE yylloc; + extern bool treesource_error; + + /* CAUTION: this will stop working if we ever use yyless() or yyunput() */ +diff --git a/scripts/parse-maintainers.pl b/scripts/parse-maintainers.pl +old mode 100644 +new mode 100755 +diff --git a/sound/core/oss/pcm_plugin.c b/sound/core/oss/pcm_plugin.c +index b8ab46b8298d..40d2d39151bf 100644 +--- a/sound/core/oss/pcm_plugin.c ++++ b/sound/core/oss/pcm_plugin.c +@@ -111,7 +111,7 @@ int snd_pcm_plug_alloc(struct snd_pcm_substream *plug, snd_pcm_uframes_t frames) + while (plugin->next) { + if (plugin->dst_frames) + frames = plugin->dst_frames(plugin, frames); +- if (snd_BUG_ON((snd_pcm_sframes_t)frames <= 0)) ++ if ((snd_pcm_sframes_t)frames <= 0) + return -ENXIO; + plugin = plugin->next; + err = snd_pcm_plugin_alloc(plugin, frames); +@@ -123,7 +123,7 @@ int snd_pcm_plug_alloc(struct snd_pcm_substream *plug, snd_pcm_uframes_t frames) + while (plugin->prev) { + if (plugin->src_frames) + frames = plugin->src_frames(plugin, frames); +- if (snd_BUG_ON((snd_pcm_sframes_t)frames <= 0)) ++ if ((snd_pcm_sframes_t)frames <= 0) + return -ENXIO; + plugin = plugin->prev; + err = snd_pcm_plugin_alloc(plugin, frames); +@@ -209,6 +209,8 @@ snd_pcm_sframes_t snd_pcm_plug_client_size(struct snd_pcm_substream *plug, snd_p + if (stream == SNDRV_PCM_STREAM_PLAYBACK) { + plugin = snd_pcm_plug_last(plug); + while (plugin && drv_frames > 0) { ++ if (drv_frames > plugin->buf_frames) ++ drv_frames = plugin->buf_frames; + plugin_prev = plugin->prev; + if (plugin->src_frames) + drv_frames = plugin->src_frames(plugin, drv_frames); +@@ -220,6 +222,8 @@ snd_pcm_sframes_t snd_pcm_plug_client_size(struct snd_pcm_substream *plug, snd_p + plugin_next = plugin->next; + if (plugin->dst_frames) + drv_frames = plugin->dst_frames(plugin, drv_frames); ++ if (drv_frames > plugin->buf_frames) ++ drv_frames = plugin->buf_frames; + plugin = plugin_next; + } + } else +@@ -248,11 +252,15 @@ snd_pcm_sframes_t snd_pcm_plug_slave_size(struct snd_pcm_substream *plug, snd_pc + if (frames < 0) + return frames; + } ++ if (frames > plugin->buf_frames) ++ frames = plugin->buf_frames; + plugin = plugin_next; + } + } else if (stream == SNDRV_PCM_STREAM_CAPTURE) { + plugin = snd_pcm_plug_last(plug); + while (plugin) { ++ if (frames > plugin->buf_frames) ++ frames = plugin->buf_frames; + plugin_prev = plugin->prev; + if (plugin->src_frames) { + frames = plugin->src_frames(plugin, frames); +diff --git a/sound/core/seq/oss/seq_oss_midi.c b/sound/core/seq/oss/seq_oss_midi.c +index 9debd1b8fd28..cdfb8f92d554 100644 +--- a/sound/core/seq/oss/seq_oss_midi.c ++++ b/sound/core/seq/oss/seq_oss_midi.c +@@ -615,6 +615,7 @@ send_midi_event(struct seq_oss_devinfo *dp, struct snd_seq_event *ev, struct seq + len = snd_seq_oss_timer_start(dp->timer); + if (ev->type == SNDRV_SEQ_EVENT_SYSEX) { + snd_seq_oss_readq_sysex(dp->readq, mdev->seq_device, ev); ++ snd_midi_event_reset_decode(mdev->coder); + } else { + len = snd_midi_event_decode(mdev->coder, msg, sizeof(msg), ev); + if (len > 0) +diff --git a/sound/core/seq/seq_virmidi.c b/sound/core/seq/seq_virmidi.c +index 8ebbca554e99..dd958d76ca5d 100644 +--- a/sound/core/seq/seq_virmidi.c ++++ b/sound/core/seq/seq_virmidi.c +@@ -95,6 +95,7 @@ static int snd_virmidi_dev_receive_event(struct snd_virmidi_dev *rdev, + if ((ev->flags & SNDRV_SEQ_EVENT_LENGTH_MASK) != SNDRV_SEQ_EVENT_LENGTH_VARIABLE) + continue; + snd_seq_dump_var_event(ev, (snd_seq_dump_func_t)snd_rawmidi_receive, vmidi->substream); ++ snd_midi_event_reset_decode(vmidi->parser); + } else { + len = snd_midi_event_decode(vmidi->parser, msg, sizeof(msg), ev); + if (len > 0) +diff --git a/sound/pci/hda/patch_realtek.c b/sound/pci/hda/patch_realtek.c +index 5a7afbeb612d..b500dad33ea9 100644 +--- a/sound/pci/hda/patch_realtek.c ++++ b/sound/pci/hda/patch_realtek.c +@@ -4687,6 +4687,8 @@ static void alc_determine_headset_type(struct hda_codec *codec) + is_ctia = (val & 0x1c02) == 0x1c02; + break; + case 0x10ec0225: ++ codec->power_save_node = 1; ++ /* fall through */ + case 0x10ec0295: + case 0x10ec0299: + alc_process_coef_fw(codec, alc225_pre_hsmode); +diff --git a/sound/usb/line6/driver.c b/sound/usb/line6/driver.c +index b223de3defc4..bf4eacc53a7d 100644 +--- a/sound/usb/line6/driver.c ++++ b/sound/usb/line6/driver.c +@@ -313,7 +313,7 @@ static void line6_data_received(struct urb *urb) + line6_midibuf_read(mb, line6->buffer_message, + LINE6_MIDI_MESSAGE_MAXLEN); + +- if (done == 0) ++ if (done <= 0) + break; + + line6->message_length = done; +diff --git a/sound/usb/line6/midibuf.c b/sound/usb/line6/midibuf.c +index 36a610ba342e..c931d48801eb 100644 +--- a/sound/usb/line6/midibuf.c ++++ b/sound/usb/line6/midibuf.c +@@ -163,7 +163,7 @@ int line6_midibuf_read(struct midi_buffer *this, unsigned char *data, + int midi_length_prev = + midibuf_message_length(this->command_prev); + +- if (midi_length_prev > 0) { ++ if (midi_length_prev > 1) { + midi_length = midi_length_prev - 1; + repeat = 1; + } else +diff --git a/tools/perf/Makefile b/tools/perf/Makefile +index 7902a5681fc8..b8fc7d972be9 100644 +--- a/tools/perf/Makefile ++++ b/tools/perf/Makefile +@@ -35,7 +35,7 @@ endif + # Only pass canonical directory names as the output directory: + # + ifneq ($(O),) +- FULL_O := $(shell readlink -f $(O) || echo $(O)) ++ FULL_O := $(shell cd $(PWD); readlink -f $(O) || echo $(O)) + endif + + # +diff --git a/tools/perf/util/map.c b/tools/perf/util/map.c +index 63db9872c880..a49f27aa0c95 100644 +--- a/tools/perf/util/map.c ++++ b/tools/perf/util/map.c +@@ -90,7 +90,7 @@ static inline bool replace_android_lib(const char *filename, char *newfilename) + return true; + } + +- if (!strncmp(filename, "/system/lib/", 11)) { ++ if (!strncmp(filename, "/system/lib/", 12)) { + char *ndk, *app; + const char *arch; + size_t ndk_length; +diff --git a/tools/perf/util/probe-finder.c b/tools/perf/util/probe-finder.c +index 893193bd28c1..ae0feea4e8b5 100644 +--- a/tools/perf/util/probe-finder.c ++++ b/tools/perf/util/probe-finder.c +@@ -626,14 +626,19 @@ static int convert_to_trace_point(Dwarf_Die *sp_die, Dwfl_Module *mod, + return -EINVAL; + } + +- /* Try to get actual symbol name from symtab */ +- symbol = dwfl_module_addrsym(mod, paddr, &sym, NULL); ++ if (dwarf_entrypc(sp_die, &eaddr) == 0) { ++ /* If the DIE has entrypc, use it. */ ++ symbol = dwarf_diename(sp_die); ++ } else { ++ /* Try to get actual symbol name and address from symtab */ ++ symbol = dwfl_module_addrsym(mod, paddr, &sym, NULL); ++ eaddr = sym.st_value; ++ } + if (!symbol) { + pr_warning("Failed to find symbol at 0x%lx\n", + (unsigned long)paddr); + return -ENOENT; + } +- eaddr = sym.st_value; + + tp->offset = (unsigned long)(paddr - eaddr); + tp->address = (unsigned long)paddr; +diff --git a/tools/power/cpupower/utils/idle_monitor/amd_fam14h_idle.c b/tools/power/cpupower/utils/idle_monitor/amd_fam14h_idle.c +index 2116df9ad832..c097a3748674 100644 +--- a/tools/power/cpupower/utils/idle_monitor/amd_fam14h_idle.c ++++ b/tools/power/cpupower/utils/idle_monitor/amd_fam14h_idle.c +@@ -83,7 +83,7 @@ static struct pci_access *pci_acc; + static struct pci_dev *amd_fam14h_pci_dev; + static int nbp1_entered; + +-struct timespec start_time; ++static struct timespec start_time; + static unsigned long long timediff; + + #ifdef DEBUG +diff --git a/tools/power/cpupower/utils/idle_monitor/cpuidle_sysfs.c b/tools/power/cpupower/utils/idle_monitor/cpuidle_sysfs.c +index 5b3205f16217..5277df27191f 100644 +--- a/tools/power/cpupower/utils/idle_monitor/cpuidle_sysfs.c ++++ b/tools/power/cpupower/utils/idle_monitor/cpuidle_sysfs.c +@@ -21,7 +21,7 @@ struct cpuidle_monitor cpuidle_sysfs_monitor; + + static unsigned long long **previous_count; + static unsigned long long **current_count; +-struct timespec start_time; ++static struct timespec start_time; + static unsigned long long timediff; + + static int cpuidle_get_count_percent(unsigned int id, double *percent, +diff --git a/tools/power/cpupower/utils/idle_monitor/cpupower-monitor.c b/tools/power/cpupower/utils/idle_monitor/cpupower-monitor.c +index 05f953f0f0a0..80a21cb67d94 100644 +--- a/tools/power/cpupower/utils/idle_monitor/cpupower-monitor.c ++++ b/tools/power/cpupower/utils/idle_monitor/cpupower-monitor.c +@@ -29,6 +29,8 @@ struct cpuidle_monitor *all_monitors[] = { + 0 + }; + ++int cpu_count; ++ + static struct cpuidle_monitor *monitors[MONITORS_MAX]; + static unsigned int avail_monitors; + +diff --git a/tools/power/cpupower/utils/idle_monitor/cpupower-monitor.h b/tools/power/cpupower/utils/idle_monitor/cpupower-monitor.h +index 9e43f3371fbc..3558bbae2b5d 100644 +--- a/tools/power/cpupower/utils/idle_monitor/cpupower-monitor.h ++++ b/tools/power/cpupower/utils/idle_monitor/cpupower-monitor.h +@@ -18,7 +18,7 @@ + #define CSTATE_NAME_LEN 5 + #define CSTATE_DESC_LEN 60 + +-int cpu_count; ++extern int cpu_count; + + /* Hard to define the right names ...: */ + enum power_range_e { +diff --git a/tools/scripts/Makefile.include b/tools/scripts/Makefile.include +index 71dc7efc7efa..df247f39d7c5 100644 +--- a/tools/scripts/Makefile.include ++++ b/tools/scripts/Makefile.include +@@ -1,8 +1,8 @@ + # SPDX-License-Identifier: GPL-2.0 + ifneq ($(O),) + ifeq ($(origin O), command line) +- dummy := $(if $(shell test -d $(O) || echo $(O)),$(error O=$(O) does not exist),) +- ABSOLUTE_O := $(shell cd $(O) ; pwd) ++ dummy := $(if $(shell cd $(PWD); test -d $(O) || echo $(O)),$(error O=$(O) does not exist),) ++ ABSOLUTE_O := $(shell cd $(PWD); cd $(O) ; pwd) + OUTPUT := $(ABSOLUTE_O)/$(if $(subdir),$(subdir)/) + COMMAND_O := O=$(ABSOLUTE_O) + ifeq ($(objtree),) |