diff options
| author |   Mike Pagano <mpagano@gentoo.org> | 2020-12-29 09:16:21 -0500 |
|---|---|---|
| committer | Mike Pagano <mpagano@gentoo.org> | 2020-12-29 09:16:21 -0500 |
| commit | 6e2df9f671aecd053f46fa0aab6eb59eccdb8f09 (patch) | |
| tree | ace4a434072d586e837ef08d07deb1fe8e15603b | |
| parent | Linux patch 4.4.248 (diff) | |
| download | linux-patches-6e2df9f671aecd053f46fa0aab6eb59eccdb8f09.tar.gz linux-patches-6e2df9f671aecd053f46fa0aab6eb59eccdb8f09.tar.bz2 linux-patches-6e2df9f671aecd053f46fa0aab6eb59eccdb8f09.zip | |
Linux patch 4.4.2494.4-251
Signed-off-by: Mike Pagano <mpagano@gentoo.org>
| -rw-r--r-- | 0000_README | 4 | ||||
| -rw-r--r-- | 1248_linux-4.4.249.patch | 3061 |
2 files changed, 3065 insertions, 0 deletions
diff --git a/0000_README b/0000_README index a6e4afee..c387012d 100644 --- a/0000_README +++ b/0000_README @@ -1035,6 +1035,10 @@ Patch: 1247_linux-4.4.248.patch From: http://www.kernel.org Desc: Linux 4.4.248 +Patch: 1248_linux-4.4.249.patch +From: http://www.kernel.org +Desc: Linux 4.4.249 + 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/1248_linux-4.4.249.patch b/1248_linux-4.4.249.patch new file mode 100644 index 00000000..68416125 --- /dev/null +++ b/1248_linux-4.4.249.patch @@ -0,0 +1,3061 @@ +diff --git a/Makefile b/Makefile +index 7d34194e0f65a..15560bbc07f61 100644 +--- a/Makefile ++++ b/Makefile +@@ -1,6 +1,6 @@ + VERSION = 4 + PATCHLEVEL = 4 +-SUBLEVEL = 248 ++SUBLEVEL = 249 + EXTRAVERSION = + NAME = Blurry Fish Butt + +diff --git a/arch/arc/kernel/stacktrace.c b/arch/arc/kernel/stacktrace.c +index 5401e2bab3da2..054511f571dfd 100644 +--- a/arch/arc/kernel/stacktrace.c ++++ b/arch/arc/kernel/stacktrace.c +@@ -39,15 +39,15 @@ + + #ifdef CONFIG_ARC_DW2_UNWIND + +-static void seed_unwind_frame_info(struct task_struct *tsk, +- struct pt_regs *regs, +- struct unwind_frame_info *frame_info) ++static int ++seed_unwind_frame_info(struct task_struct *tsk, struct pt_regs *regs, ++ struct unwind_frame_info *frame_info) + { + /* + * synchronous unwinding (e.g. dump_stack) + * - uses current values of SP and friends + */ +- if (tsk == NULL && regs == NULL) { ++ if (regs == NULL && (tsk == NULL || tsk == current)) { + unsigned long fp, sp, blink, ret; + frame_info->task = current; + +@@ -66,11 +66,15 @@ static void seed_unwind_frame_info(struct task_struct *tsk, + frame_info->call_frame = 0; + } else if (regs == NULL) { + /* +- * Asynchronous unwinding of sleeping task +- * - Gets SP etc from task's pt_regs (saved bottom of kernel +- * mode stack of task) ++ * Asynchronous unwinding of a likely sleeping task ++ * - first ensure it is actually sleeping ++ * - if so, it will be in __switch_to, kernel mode SP of task ++ * is safe-kept and BLINK at a well known location in there + */ + ++ if (tsk->state == TASK_RUNNING) ++ return -1; ++ + frame_info->task = tsk; + + frame_info->regs.r27 = TSK_K_FP(tsk); +@@ -104,6 +108,8 @@ static void seed_unwind_frame_info(struct task_struct *tsk, + frame_info->regs.r63 = regs->ret; + frame_info->call_frame = 0; + } ++ ++ return 0; + } + + #endif +@@ -117,7 +123,8 @@ arc_unwind_core(struct task_struct *tsk, struct pt_regs *regs, + unsigned int address; + struct unwind_frame_info frame_info; + +- seed_unwind_frame_info(tsk, regs, &frame_info); ++ if (seed_unwind_frame_info(tsk, regs, &frame_info)) ++ return 0; + + while (1) { + address = UNW_PC(&frame_info); +diff --git a/arch/arm/boot/dts/at91-sama5d3_xplained.dts b/arch/arm/boot/dts/at91-sama5d3_xplained.dts +index 0bd325c314e15..2b882d129b16a 100644 +--- a/arch/arm/boot/dts/at91-sama5d3_xplained.dts ++++ b/arch/arm/boot/dts/at91-sama5d3_xplained.dts +@@ -231,6 +231,11 @@ + atmel,pins = + <AT91_PIOE 9 AT91_PERIPH_GPIO AT91_PINCTRL_DEGLITCH>; /* PE9, conflicts with A9 */ + }; ++ pinctrl_usb_default: usb_default { ++ atmel,pins = ++ <AT91_PIOE 3 AT91_PERIPH_GPIO AT91_PINCTRL_NONE ++ AT91_PIOE 4 AT91_PERIPH_GPIO AT91_PINCTRL_NONE>; ++ }; + }; + }; + }; +@@ -288,6 +293,8 @@ + &pioE 3 GPIO_ACTIVE_LOW + &pioE 4 GPIO_ACTIVE_LOW + >; ++ pinctrl-names = "default"; ++ pinctrl-0 = <&pinctrl_usb_default>; + status = "okay"; + }; + +diff --git a/arch/arm/boot/dts/at91-sama5d4_xplained.dts b/arch/arm/boot/dts/at91-sama5d4_xplained.dts +index e27024cdf48bd..17adaa1a65c19 100644 +--- a/arch/arm/boot/dts/at91-sama5d4_xplained.dts ++++ b/arch/arm/boot/dts/at91-sama5d4_xplained.dts +@@ -152,6 +152,11 @@ + atmel,pins = + <AT91_PIOE 31 AT91_PERIPH_GPIO AT91_PINCTRL_DEGLITCH>; + }; ++ pinctrl_usb_default: usb_default { ++ atmel,pins = ++ <AT91_PIOE 11 AT91_PERIPH_GPIO AT91_PINCTRL_NONE ++ AT91_PIOE 14 AT91_PERIPH_GPIO AT91_PINCTRL_NONE>; ++ }; + pinctrl_key_gpio: key_gpio_0 { + atmel,pins = + <AT91_PIOE 8 AT91_PERIPH_GPIO AT91_PINCTRL_PULL_UP_DEGLITCH>; +@@ -177,6 +182,8 @@ + &pioE 11 GPIO_ACTIVE_HIGH + &pioE 14 GPIO_ACTIVE_HIGH + >; ++ pinctrl-names = "default"; ++ pinctrl-0 = <&pinctrl_usb_default>; + status = "okay"; + }; + +diff --git a/arch/arm/kernel/head.S b/arch/arm/kernel/head.S +index 04286fd9e09ce..2e336acd68b0a 100644 +--- a/arch/arm/kernel/head.S ++++ b/arch/arm/kernel/head.S +@@ -673,12 +673,8 @@ ARM_BE8(rev16 ip, ip) + ldrcc r7, [r4], #4 @ use branch for delay slot + bcc 1b + bx lr +-#else +-#ifdef CONFIG_CPU_ENDIAN_BE8 +- moveq r0, #0x00004000 @ set bit 22, mov to mvn instruction + #else + moveq r0, #0x400000 @ set bit 22, mov to mvn instruction +-#endif + b 2f + 1: ldr ip, [r7, r3] + #ifdef CONFIG_CPU_ENDIAN_BE8 +@@ -687,7 +683,7 @@ ARM_BE8(rev16 ip, ip) + tst ip, #0x000f0000 @ check the rotation field + orrne ip, ip, r6, lsl #24 @ mask in offset bits 31-24 + biceq ip, ip, #0x00004000 @ clear bit 22 +- orreq ip, ip, r0 @ mask in offset bits 7-0 ++ orreq ip, ip, r0, ror #8 @ mask in offset bits 7-0 + #else + bic ip, ip, #0x000000ff + tst ip, #0xf00 @ check the rotation field +diff --git a/arch/mips/bcm47xx/Kconfig b/arch/mips/bcm47xx/Kconfig +index e970fd9cf7693..7ca7384fd5c9d 100644 +--- a/arch/mips/bcm47xx/Kconfig ++++ b/arch/mips/bcm47xx/Kconfig +@@ -26,6 +26,7 @@ config BCM47XX_BCMA + select BCMA + select BCMA_HOST_SOC + select BCMA_DRIVER_MIPS ++ select BCMA_DRIVER_PCI if PCI + select BCMA_DRIVER_PCI_HOSTMODE if PCI + select BCMA_DRIVER_GPIO + default y +diff --git a/arch/powerpc/include/asm/cputable.h b/arch/powerpc/include/asm/cputable.h +index b118072670fb1..9fe3f05000e31 100644 +--- a/arch/powerpc/include/asm/cputable.h ++++ b/arch/powerpc/include/asm/cputable.h +@@ -400,7 +400,6 @@ enum { + CPU_FTR_DBELL | CPU_FTR_POPCNTB | CPU_FTR_POPCNTD | \ + CPU_FTR_DEBUG_LVL_EXC | CPU_FTR_EMB_HV | CPU_FTR_ALTIVEC_COMP | \ + CPU_FTR_CELL_TB_BUG | CPU_FTR_SMT) +-#define CPU_FTRS_GENERIC_32 (CPU_FTR_COMMON | CPU_FTR_NODSISRALIGN) + + /* 64-bit CPUs */ + #define CPU_FTRS_POWER4 (CPU_FTR_USE_TB | CPU_FTR_LWSYNC | \ +@@ -479,8 +478,6 @@ enum { + CPU_FTRS_7447 | CPU_FTRS_7447A | CPU_FTRS_82XX | + CPU_FTRS_G2_LE | CPU_FTRS_E300 | CPU_FTRS_E300C2 | + CPU_FTRS_CLASSIC32 | +-#else +- CPU_FTRS_GENERIC_32 | + #endif + #ifdef CONFIG_8xx + CPU_FTRS_8XX | +@@ -530,8 +527,6 @@ enum { + CPU_FTRS_7447 & CPU_FTRS_7447A & CPU_FTRS_82XX & + CPU_FTRS_G2_LE & CPU_FTRS_E300 & CPU_FTRS_E300C2 & + CPU_FTRS_CLASSIC32 & +-#else +- CPU_FTRS_GENERIC_32 & + #endif + #ifdef CONFIG_8xx + CPU_FTRS_8XX & +diff --git a/arch/powerpc/perf/core-book3s.c b/arch/powerpc/perf/core-book3s.c +index 30e2e8efbe6b7..e593e7f856ed0 100644 +--- a/arch/powerpc/perf/core-book3s.c ++++ b/arch/powerpc/perf/core-book3s.c +@@ -2020,6 +2020,16 @@ static void record_and_restart(struct perf_event *event, unsigned long val, + local64_set(&event->hw.period_left, left); + perf_event_update_userpage(event); + ++ /* ++ * Due to hardware limitation, sometimes SIAR could sample a kernel ++ * address even when freeze on supervisor state (kernel) is set in ++ * MMCR2. Check attr.exclude_kernel and address to drop the sample in ++ * these cases. ++ */ ++ if (event->attr.exclude_kernel && record) ++ if (is_kernel_addr(mfspr(SPRN_SIAR))) ++ record = 0; ++ + /* + * Finally record data if requested. + */ +diff --git a/arch/powerpc/platforms/pseries/suspend.c b/arch/powerpc/platforms/pseries/suspend.c +index e76aefae2aa2b..0a0e0c8256f67 100644 +--- a/arch/powerpc/platforms/pseries/suspend.c ++++ b/arch/powerpc/platforms/pseries/suspend.c +@@ -224,7 +224,6 @@ static struct bus_type suspend_subsys = { + + static const struct platform_suspend_ops pseries_suspend_ops = { + .valid = suspend_valid_only_mem, +- .begin = pseries_suspend_begin, + .prepare_late = pseries_prepare_late, + .enter = pseries_suspend_enter, + }; +diff --git a/arch/um/drivers/xterm.c b/arch/um/drivers/xterm.c +index 20e30be44795b..e3b422ebce09f 100644 +--- a/arch/um/drivers/xterm.c ++++ b/arch/um/drivers/xterm.c +@@ -18,6 +18,7 @@ + struct xterm_chan { + int pid; + int helper_pid; ++ int chan_fd; + char *title; + int device; + int raw; +@@ -33,6 +34,7 @@ static void *xterm_init(char *str, int device, const struct chan_opts *opts) + return NULL; + *data = ((struct xterm_chan) { .pid = -1, + .helper_pid = -1, ++ .chan_fd = -1, + .device = device, + .title = opts->xterm_title, + .raw = opts->raw } ); +@@ -149,6 +151,7 @@ static int xterm_open(int input, int output, int primary, void *d, + goto out_kill; + } + ++ data->chan_fd = fd; + new = xterm_fd(fd, &data->helper_pid); + if (new < 0) { + err = new; +@@ -206,6 +209,8 @@ static void xterm_close(int fd, void *d) + os_kill_process(data->helper_pid, 0); + data->helper_pid = -1; + ++ if (data->chan_fd != -1) ++ os_close_file(data->chan_fd); + os_close_file(fd); + } + +diff --git a/arch/x86/kernel/kprobes/core.c b/arch/x86/kernel/kprobes/core.c +index 5a6cb30b1c621..ebd4da00a56ea 100644 +--- a/arch/x86/kernel/kprobes/core.c ++++ b/arch/x86/kernel/kprobes/core.c +@@ -1014,6 +1014,11 @@ int kprobe_fault_handler(struct pt_regs *regs, int trapnr) + * So clear it by resetting the current kprobe: + */ + regs->flags &= ~X86_EFLAGS_TF; ++ /* ++ * Since the single step (trap) has been cancelled, ++ * we need to restore BTF here. ++ */ ++ restore_btf(); + + /* + * If the TF flag was set before the kprobe hit, +diff --git a/drivers/acpi/acpi_pnp.c b/drivers/acpi/acpi_pnp.c +index 48fc3ad13a4bb..1738eb0fa7db1 100644 +--- a/drivers/acpi/acpi_pnp.c ++++ b/drivers/acpi/acpi_pnp.c +@@ -320,6 +320,9 @@ static bool matching_id(const char *idstr, const char *list_id) + { + int i; + ++ if (strlen(idstr) != strlen(list_id)) ++ return false; ++ + if (memcmp(idstr, list_id, 3)) + return false; + +diff --git a/drivers/acpi/resource.c b/drivers/acpi/resource.c +index 627f8fbb5e9a2..e6003d2baa451 100644 +--- a/drivers/acpi/resource.c ++++ b/drivers/acpi/resource.c +@@ -506,7 +506,7 @@ static acpi_status acpi_dev_process_resource(struct acpi_resource *ares, + ret = c->preproc(ares, c->preproc_data); + if (ret < 0) { + c->error = ret; +- return AE_CTRL_TERMINATE; ++ return AE_ABORT_METHOD; + } else if (ret > 0) { + return AE_OK; + } +diff --git a/drivers/block/xen-blkback/xenbus.c b/drivers/block/xen-blkback/xenbus.c +index 0ec257e69e95a..823f3480ebd19 100644 +--- a/drivers/block/xen-blkback/xenbus.c ++++ b/drivers/block/xen-blkback/xenbus.c +@@ -553,7 +553,8 @@ static int xen_blkbk_probe(struct xenbus_device *dev, + /* setup back pointer */ + be->blkif->be = be; + +- err = xenbus_watch_pathfmt(dev, &be->backend_watch, backend_changed, ++ err = xenbus_watch_pathfmt(dev, &be->backend_watch, NULL, ++ backend_changed, + "%s/%s", dev->nodename, "physical-device"); + if (err) + goto fail; +diff --git a/drivers/bus/mips_cdmm.c b/drivers/bus/mips_cdmm.c +index 1c543effe062f..e6284fc1689b3 100644 +--- a/drivers/bus/mips_cdmm.c ++++ b/drivers/bus/mips_cdmm.c +@@ -544,10 +544,8 @@ static void mips_cdmm_bus_discover(struct mips_cdmm_bus *bus) + dev_set_name(&dev->dev, "cdmm%u-%u", cpu, id); + ++id; + ret = device_register(&dev->dev); +- if (ret) { ++ if (ret) + put_device(&dev->dev); +- kfree(dev); +- } + } + } + +diff --git a/drivers/clk/clk-s2mps11.c b/drivers/clk/clk-s2mps11.c +index 14af5c916c9ca..8a42a9c2a8f28 100644 +--- a/drivers/clk/clk-s2mps11.c ++++ b/drivers/clk/clk-s2mps11.c +@@ -263,6 +263,7 @@ static int s2mps11_clk_probe(struct platform_device *pdev) + return ret; + + err_reg: ++ of_node_put(s2mps11_clks[0].clk_np); + while (--i >= 0) + clkdev_drop(s2mps11_clks[i].lookup); + +diff --git a/drivers/clk/ti/fapll.c b/drivers/clk/ti/fapll.c +index 66a0d0ed8b550..02ff499e36536 100644 +--- a/drivers/clk/ti/fapll.c ++++ b/drivers/clk/ti/fapll.c +@@ -497,6 +497,7 @@ static struct clk * __init ti_fapll_synth_setup(struct fapll_data *fd, + { + struct clk_init_data *init; + struct fapll_synth *synth; ++ struct clk *clk = ERR_PTR(-ENOMEM); + + init = kzalloc(sizeof(*init), GFP_KERNEL); + if (!init) +@@ -519,13 +520,19 @@ static struct clk * __init ti_fapll_synth_setup(struct fapll_data *fd, + synth->hw.init = init; + synth->clk_pll = pll_clk; + +- return clk_register(NULL, &synth->hw); ++ clk = clk_register(NULL, &synth->hw); ++ if (IS_ERR(clk)) { ++ pr_err("failed to register clock\n"); ++ goto free; ++ } ++ ++ return clk; + + free: + kfree(synth); + kfree(init); + +- return ERR_PTR(-ENOMEM); ++ return clk; + } + + static void __init ti_fapll_setup(struct device_node *node) +diff --git a/drivers/clocksource/arm_arch_timer.c b/drivers/clocksource/arm_arch_timer.c +index c64d543d64bf6..4e303c77caed5 100644 +--- a/drivers/clocksource/arm_arch_timer.c ++++ b/drivers/clocksource/arm_arch_timer.c +@@ -310,15 +310,24 @@ static void arch_timer_evtstrm_enable(int divider) + + static void arch_timer_configure_evtstream(void) + { +- int evt_stream_div, pos; ++ int evt_stream_div, lsb; ++ ++ /* ++ * As the event stream can at most be generated at half the frequency ++ * of the counter, use half the frequency when computing the divider. ++ */ ++ evt_stream_div = arch_timer_rate / ARCH_TIMER_EVT_STREAM_FREQ / 2; ++ ++ /* ++ * Find the closest power of two to the divisor. If the adjacent bit ++ * of lsb (last set bit, starts from 0) is set, then we use (lsb + 1). ++ */ ++ lsb = fls(evt_stream_div) - 1; ++ if (lsb > 0 && (evt_stream_div & BIT(lsb - 1))) ++ lsb++; + +- /* Find the closest power of two to the divisor */ +- evt_stream_div = arch_timer_rate / ARCH_TIMER_EVT_STREAM_FREQ; +- pos = fls(evt_stream_div); +- if (pos > 1 && !(evt_stream_div & (1 << (pos - 2)))) +- pos--; + /* enable event stream */ +- arch_timer_evtstrm_enable(min(pos, 15)); ++ arch_timer_evtstrm_enable(max(0, min(lsb, 15))); + } + + static void arch_counter_set_user_access(void) +diff --git a/drivers/cpufreq/highbank-cpufreq.c b/drivers/cpufreq/highbank-cpufreq.c +index 1608f7105c9f8..ad743f2f31e78 100644 +--- a/drivers/cpufreq/highbank-cpufreq.c ++++ b/drivers/cpufreq/highbank-cpufreq.c +@@ -104,6 +104,13 @@ out_put_node: + } + module_init(hb_cpufreq_driver_init); + ++static const struct of_device_id __maybe_unused hb_cpufreq_of_match[] = { ++ { .compatible = "calxeda,highbank" }, ++ { .compatible = "calxeda,ecx-2000" }, ++ { }, ++}; ++MODULE_DEVICE_TABLE(of, hb_cpufreq_of_match); ++ + MODULE_AUTHOR("Mark Langsdorf <mark.langsdorf@calxeda.com>"); + MODULE_DESCRIPTION("Calxeda Highbank cpufreq driver"); + MODULE_LICENSE("GPL"); +diff --git a/drivers/cpufreq/ls1x-cpufreq.c b/drivers/cpufreq/ls1x-cpufreq.c +index 262581b3318d7..367cb1615c30d 100644 +--- a/drivers/cpufreq/ls1x-cpufreq.c ++++ b/drivers/cpufreq/ls1x-cpufreq.c +@@ -217,6 +217,7 @@ static struct platform_driver ls1x_cpufreq_platdrv = { + + module_platform_driver(ls1x_cpufreq_platdrv); + ++MODULE_ALIAS("platform:ls1x-cpufreq"); + MODULE_AUTHOR("Kelvin Cheung <keguang.zhang@gmail.com>"); + MODULE_DESCRIPTION("Loongson 1 CPUFreq driver"); + MODULE_LICENSE("GPL"); +diff --git a/drivers/cpufreq/scpi-cpufreq.c b/drivers/cpufreq/scpi-cpufreq.c +index de5e89b2eaaa3..98f762cca9010 100644 +--- a/drivers/cpufreq/scpi-cpufreq.c ++++ b/drivers/cpufreq/scpi-cpufreq.c +@@ -119,6 +119,7 @@ static struct platform_driver scpi_cpufreq_platdrv = { + }; + module_platform_driver(scpi_cpufreq_platdrv); + ++MODULE_ALIAS("platform:scpi-cpufreq"); + MODULE_AUTHOR("Sudeep Holla <sudeep.holla@arm.com>"); + MODULE_DESCRIPTION("ARM SCPI CPUFreq interface driver"); + MODULE_LICENSE("GPL v2"); +diff --git a/drivers/crypto/talitos.c b/drivers/crypto/talitos.c +index 1c8857e7db894..cfefa18bca28b 100644 +--- a/drivers/crypto/talitos.c ++++ b/drivers/crypto/talitos.c +@@ -440,7 +440,7 @@ DEF_TALITOS2_DONE(ch1_3, TALITOS2_ISR_CH_1_3_DONE) + /* + * locate current (offending) descriptor + */ +-static u32 current_desc_hdr(struct device *dev, int ch) ++static __be32 current_desc_hdr(struct device *dev, int ch) + { + struct talitos_private *priv = dev_get_drvdata(dev); + int tail, iter; +@@ -471,13 +471,13 @@ static u32 current_desc_hdr(struct device *dev, int ch) + /* + * user diagnostics; report root cause of error based on execution unit status + */ +-static void report_eu_error(struct device *dev, int ch, u32 desc_hdr) ++static void report_eu_error(struct device *dev, int ch, __be32 desc_hdr) + { + struct talitos_private *priv = dev_get_drvdata(dev); + int i; + + if (!desc_hdr) +- desc_hdr = in_be32(priv->chan[ch].reg + TALITOS_DESCBUF); ++ desc_hdr = cpu_to_be32(in_be32(priv->chan[ch].reg + TALITOS_DESCBUF)); + + switch (desc_hdr & DESC_HDR_SEL0_MASK) { + case DESC_HDR_SEL0_AFEU: +diff --git a/drivers/extcon/extcon-max77693.c b/drivers/extcon/extcon-max77693.c +index 44c499e1beeed..02b3feb76ca99 100644 +--- a/drivers/extcon/extcon-max77693.c ++++ b/drivers/extcon/extcon-max77693.c +@@ -1262,4 +1262,4 @@ module_platform_driver(max77693_muic_driver); + MODULE_DESCRIPTION("Maxim MAX77693 Extcon driver"); + MODULE_AUTHOR("Chanwoo Choi <cw00.choi@samsung.com>"); + MODULE_LICENSE("GPL"); +-MODULE_ALIAS("platform:extcon-max77693"); ++MODULE_ALIAS("platform:max77693-muic"); +diff --git a/drivers/gpu/drm/gma500/cdv_intel_dp.c b/drivers/gpu/drm/gma500/cdv_intel_dp.c +index 25c68e4dc7a53..e465d71272584 100644 +--- a/drivers/gpu/drm/gma500/cdv_intel_dp.c ++++ b/drivers/gpu/drm/gma500/cdv_intel_dp.c +@@ -2125,7 +2125,7 @@ cdv_intel_dp_init(struct drm_device *dev, struct psb_intel_mode_device *mode_dev + DRM_INFO("failed to retrieve link info, disabling eDP\n"); + cdv_intel_dp_encoder_destroy(encoder); + cdv_intel_dp_destroy(connector); +- goto err_priv; ++ goto err_connector; + } else { + DRM_DEBUG_KMS("DPCD: Rev=%x LN_Rate=%x LN_CNT=%x LN_DOWNSP=%x\n", + intel_dp->dpcd[0], intel_dp->dpcd[1], +diff --git a/drivers/gpu/drm/omapdrm/omap_dmm_tiler.c b/drivers/gpu/drm/omapdrm/omap_dmm_tiler.c +index 8282ae0c4fc3e..bed6862798825 100644 +--- a/drivers/gpu/drm/omapdrm/omap_dmm_tiler.c ++++ b/drivers/gpu/drm/omapdrm/omap_dmm_tiler.c +@@ -720,6 +720,7 @@ static int omap_dmm_probe(struct platform_device *dev) + &omap_dmm->refill_pa, GFP_KERNEL); + if (!omap_dmm->refill_va) { + dev_err(&dev->dev, "could not allocate refill memory\n"); ++ ret = -ENOMEM; + goto fail; + } + +diff --git a/drivers/iio/adc/rockchip_saradc.c b/drivers/iio/adc/rockchip_saradc.c +index dffff64b59893..da91e9e9ed8f1 100644 +--- a/drivers/iio/adc/rockchip_saradc.c ++++ b/drivers/iio/adc/rockchip_saradc.c +@@ -359,7 +359,7 @@ static int rockchip_saradc_resume(struct device *dev) + + ret = clk_prepare_enable(info->clk); + if (ret) +- return ret; ++ clk_disable_unprepare(info->pclk); + + return ret; + } +diff --git a/drivers/iio/pressure/mpl3115.c b/drivers/iio/pressure/mpl3115.c +index 0f5b8767ec2e6..6ed4e6902effe 100644 +--- a/drivers/iio/pressure/mpl3115.c ++++ b/drivers/iio/pressure/mpl3115.c +@@ -139,7 +139,14 @@ static irqreturn_t mpl3115_trigger_handler(int irq, void *p) + struct iio_poll_func *pf = p; + struct iio_dev *indio_dev = pf->indio_dev; + struct mpl3115_data *data = iio_priv(indio_dev); +- u8 buffer[16]; /* 32-bit channel + 16-bit channel + padding + ts */ ++ /* ++ * 32-bit channel + 16-bit channel + padding + ts ++ * Note that it is possible for only one of the first 2 ++ * channels to be enabled. If that happens, the first element ++ * of the buffer may be either 16 or 32-bits. As such we cannot ++ * use a simple structure definition to express this data layout. ++ */ ++ u8 buffer[16] __aligned(8); + int ret, pos = 0; + + mutex_lock(&data->lock); +diff --git a/drivers/infiniband/core/cm.c b/drivers/infiniband/core/cm.c +index 53c622c99ee40..ba713bc27c5f9 100644 +--- a/drivers/infiniband/core/cm.c ++++ b/drivers/infiniband/core/cm.c +@@ -1252,6 +1252,7 @@ int ib_send_cm_req(struct ib_cm_id *cm_id, + id.local_id); + if (IS_ERR(cm_id_priv->timewait_info)) { + ret = PTR_ERR(cm_id_priv->timewait_info); ++ cm_id_priv->timewait_info = NULL; + goto out; + } + +@@ -1681,6 +1682,7 @@ static int cm_req_handler(struct cm_work *work) + id.local_id); + if (IS_ERR(cm_id_priv->timewait_info)) { + ret = PTR_ERR(cm_id_priv->timewait_info); ++ cm_id_priv->timewait_info = NULL; + goto destroy; + } + cm_id_priv->timewait_info->work.remote_id = req_msg->local_comm_id; +diff --git a/drivers/infiniband/hw/mthca/mthca_cq.c b/drivers/infiniband/hw/mthca/mthca_cq.c +index 59e1f6ea2ede9..1b0bb340281e6 100644 +--- a/drivers/infiniband/hw/mthca/mthca_cq.c ++++ b/drivers/infiniband/hw/mthca/mthca_cq.c +@@ -612,7 +612,7 @@ static inline int mthca_poll_one(struct mthca_dev *dev, + entry->opcode = IB_WC_BIND_MW; + break; + default: +- entry->opcode = MTHCA_OPCODE_INVALID; ++ entry->opcode = 0xFF; + break; + } + } else { +diff --git a/drivers/infiniband/hw/mthca/mthca_dev.h b/drivers/infiniband/hw/mthca/mthca_dev.h +index 4393a022867ba..e1fc67e73bf87 100644 +--- a/drivers/infiniband/hw/mthca/mthca_dev.h ++++ b/drivers/infiniband/hw/mthca/mthca_dev.h +@@ -105,7 +105,6 @@ enum { + MTHCA_OPCODE_ATOMIC_CS = 0x11, + MTHCA_OPCODE_ATOMIC_FA = 0x12, + MTHCA_OPCODE_BIND_MW = 0x18, +- MTHCA_OPCODE_INVALID = 0xff + }; + + enum { +diff --git a/drivers/input/keyboard/cros_ec_keyb.c b/drivers/input/keyboard/cros_ec_keyb.c +index b01966dc7eb3d..44a5a5496cfd0 100644 +--- a/drivers/input/keyboard/cros_ec_keyb.c ++++ b/drivers/input/keyboard/cros_ec_keyb.c +@@ -137,6 +137,7 @@ static void cros_ec_keyb_process(struct cros_ec_keyb *ckdev, + "changed: [r%d c%d]: byte %02x\n", + row, col, new_state); + ++ input_event(idev, EV_MSC, MSC_SCAN, pos); + input_report_key(idev, keycodes[pos], + new_state); + } +diff --git a/drivers/input/misc/cm109.c b/drivers/input/misc/cm109.c +index 50a7faa504f72..c8c6650b9140b 100644 +--- a/drivers/input/misc/cm109.c ++++ b/drivers/input/misc/cm109.c +@@ -546,12 +546,15 @@ static int cm109_input_open(struct input_dev *idev) + dev->ctl_data->byte[HID_OR2] = dev->keybit; + dev->ctl_data->byte[HID_OR3] = 0x00; + ++ dev->ctl_urb_pending = 1; + error = usb_submit_urb(dev->urb_ctl, GFP_KERNEL); +- if (error) ++ if (error) { ++ dev->ctl_urb_pending = 0; + dev_err(&dev->intf->dev, "%s: usb_submit_urb (urb_ctl) failed %d\n", + __func__, error); +- else ++ } else { + dev->open = 1; ++ } + + mutex_unlock(&dev->pm_mutex); + +diff --git a/drivers/input/mouse/cyapa_gen6.c b/drivers/input/mouse/cyapa_gen6.c +index e4eb048d1bf63..c7ab84bc877f9 100644 +--- a/drivers/input/mouse/cyapa_gen6.c ++++ b/drivers/input/mouse/cyapa_gen6.c +@@ -573,7 +573,7 @@ static int cyapa_pip_retrieve_data_structure(struct cyapa *cyapa, + + memset(&cmd, 0, sizeof(cmd)); + put_unaligned_le16(PIP_OUTPUT_REPORT_ADDR, &cmd.head.addr); +- put_unaligned_le16(sizeof(cmd), &cmd.head.length - 2); ++ put_unaligned_le16(sizeof(cmd) - 2, &cmd.head.length); + cmd.head.report_id = PIP_APP_CMD_REPORT_ID; + cmd.head.cmd_code = PIP_RETRIEVE_DATA_STRUCTURE; + put_unaligned_le16(read_offset, &cmd.read_offset); +diff --git a/drivers/input/serio/i8042-x86ia64io.h b/drivers/input/serio/i8042-x86ia64io.h +index 1f45010a5b814..fa07be0b4500e 100644 +--- a/drivers/input/serio/i8042-x86ia64io.h ++++ b/drivers/input/serio/i8042-x86ia64io.h +@@ -687,6 +687,48 @@ static const struct dmi_system_id __initconst i8042_dmi_reset_table[] = { + DMI_MATCH(DMI_PRODUCT_NAME, "AOA150"), + }, + }, ++ { ++ .matches = { ++ DMI_MATCH(DMI_SYS_VENDOR, "Acer"), ++ DMI_MATCH(DMI_PRODUCT_NAME, "Aspire A114-31"), ++ }, ++ }, ++ { ++ .matches = { ++ DMI_MATCH(DMI_SYS_VENDOR, "Acer"), ++ DMI_MATCH(DMI_PRODUCT_NAME, "Aspire A314-31"), ++ }, ++ }, ++ { ++ .matches = { ++ DMI_MATCH(DMI_SYS_VENDOR, "Acer"), ++ DMI_MATCH(DMI_PRODUCT_NAME, "Aspire A315-31"), ++ }, ++ }, ++ { ++ .matches = { ++ DMI_MATCH(DMI_SYS_VENDOR, "Acer"), ++ DMI_MATCH(DMI_PRODUCT_NAME, "Aspire ES1-132"), ++ }, ++ }, ++ { ++ .matches = { ++ DMI_MATCH(DMI_SYS_VENDOR, "Acer"), ++ DMI_MATCH(DMI_PRODUCT_NAME, "Aspire ES1-332"), ++ }, ++ }, ++ { ++ .matches = { ++ DMI_MATCH(DMI_SYS_VENDOR, "Acer"), ++ DMI_MATCH(DMI_PRODUCT_NAME, "Aspire ES1-432"), ++ }, ++ }, ++ { ++ .matches = { ++ DMI_MATCH(DMI_SYS_VENDOR, "Acer"), ++ DMI_MATCH(DMI_PRODUCT_NAME, "TravelMate Spin B118-RN"), ++ }, ++ }, + { + /* Advent 4211 */ + .matches = { +diff --git a/drivers/input/touchscreen/ads7846.c b/drivers/input/touchscreen/ads7846.c +index a61b2153ab8c2..1d98198c4bdfb 100644 +--- a/drivers/input/touchscreen/ads7846.c ++++ b/drivers/input/touchscreen/ads7846.c +@@ -35,6 +35,7 @@ + #include <linux/regulator/consumer.h> + #include <linux/module.h> + #include <asm/irq.h> ++#include <asm/unaligned.h> + + /* + * This code has been heavily tested on a Nokia 770, and lightly +@@ -410,7 +411,7 @@ static int ads7845_read12_ser(struct device *dev, unsigned command) + + if (status == 0) { + /* BE12 value, then padding */ +- status = be16_to_cpu(*((u16 *)&req->sample[1])); ++ status = get_unaligned_be16(&req->sample[1]); + status = status >> 3; + status &= 0x0fff; + } +@@ -785,10 +786,11 @@ static void ads7846_report_state(struct ads7846 *ts) + /* compute touch pressure resistance using equation #2 */ + Rt = z2; + Rt -= z1; +- Rt *= x; + Rt *= ts->x_plate_ohms; ++ Rt = DIV_ROUND_CLOSEST(Rt, 16); ++ Rt *= x; + Rt /= z1; +- Rt = (Rt + 2047) >> 12; ++ Rt = DIV_ROUND_CLOSEST(Rt, 256); + } else { + Rt = 0; + } +diff --git a/drivers/input/touchscreen/goodix.c b/drivers/input/touchscreen/goodix.c +index 67cadda13ab17..d7cc8f6a292ea 100644 +--- a/drivers/input/touchscreen/goodix.c ++++ b/drivers/input/touchscreen/goodix.c +@@ -77,6 +77,18 @@ static const struct dmi_system_id rotated_screen[] = { + DMI_MATCH(DMI_BIOS_DATE, "12/19/2014"), + }, + }, ++ { ++ .ident = "Teclast X98 Pro", ++ .matches = { ++ /* ++ * Only match BIOS date, because the manufacturers ++ * BIOS does not report the board name at all ++ * (sometimes)... ++ */ ++ DMI_MATCH(DMI_BOARD_VENDOR, "TECLAST"), ++ DMI_MATCH(DMI_BIOS_DATE, "10/28/2015"), ++ }, ++ }, + { + .ident = "WinBook TW100", + .matches = { +diff --git a/drivers/md/dm-ioctl.c b/drivers/md/dm-ioctl.c +index 9371194677dc3..eab3f7325e310 100644 +--- a/drivers/md/dm-ioctl.c ++++ b/drivers/md/dm-ioctl.c +@@ -1539,6 +1539,7 @@ static int target_message(struct dm_ioctl *param, size_t param_size) + + if (!argc) { + DMWARN("Empty message received."); ++ r = -EINVAL; + goto out_argv; + } + +diff --git a/drivers/md/dm-table.c b/drivers/md/dm-table.c +index 466158d06ab1b..8eed39dc2036a 100644 +--- a/drivers/md/dm-table.c ++++ b/drivers/md/dm-table.c +@@ -1154,12 +1154,6 @@ void dm_table_event_callback(struct dm_table *t, + + void dm_table_event(struct dm_table *t) + { +- /* +- * You can no longer call dm_table_event() from interrupt +- * context, use a bottom half instead. +- */ +- BUG_ON(in_interrupt()); +- + mutex_lock(&_event_lock); + if (t->event_fn) + t->event_fn(t->event_context); +diff --git a/drivers/media/pci/netup_unidvb/netup_unidvb_spi.c b/drivers/media/pci/netup_unidvb/netup_unidvb_spi.c +index f33c0de3e8490..019bbc18cede6 100644 +--- a/drivers/media/pci/netup_unidvb/netup_unidvb_spi.c ++++ b/drivers/media/pci/netup_unidvb/netup_unidvb_spi.c +@@ -184,7 +184,7 @@ int netup_spi_init(struct netup_unidvb_dev *ndev) + struct spi_master *master; + struct netup_spi *nspi; + +- master = spi_alloc_master(&ndev->pci_dev->dev, ++ master = devm_spi_alloc_master(&ndev->pci_dev->dev, + sizeof(struct netup_spi)); + if (!master) { + dev_err(&ndev->pci_dev->dev, +@@ -217,6 +217,7 @@ int netup_spi_init(struct netup_unidvb_dev *ndev) + ndev->pci_slot, + ndev->pci_func); + if (!spi_new_device(master, &netup_spi_board)) { ++ spi_unregister_master(master); + ndev->spi = NULL; + dev_err(&ndev->pci_dev->dev, + "%s(): unable to create SPI device\n", __func__); +@@ -235,13 +236,13 @@ void netup_spi_release(struct netup_unidvb_dev *ndev) + if (!spi) + return; + ++ spi_unregister_master(spi->master); + spin_lock_irqsave(&spi->lock, flags); + reg = readw(&spi->regs->control_stat); + writew(reg | NETUP_SPI_CTRL_IRQ, &spi->regs->control_stat); + reg = readw(&spi->regs->control_stat); + writew(reg & ~NETUP_SPI_CTRL_IMASK, &spi->regs->control_stat); + spin_unlock_irqrestore(&spi->lock, flags); +- spi_unregister_master(spi->master); + ndev->spi = NULL; + } + +diff --git a/drivers/media/pci/saa7146/mxb.c b/drivers/media/pci/saa7146/mxb.c +index 0ca1e07ae7837..868af73c5536a 100644 +--- a/drivers/media/pci/saa7146/mxb.c ++++ b/drivers/media/pci/saa7146/mxb.c +@@ -652,16 +652,17 @@ static int vidioc_s_audio(struct file *file, void *fh, const struct v4l2_audio * + struct mxb *mxb = (struct mxb *)dev->ext_priv; + + DEB_D("VIDIOC_S_AUDIO %d\n", a->index); +- if (mxb_inputs[mxb->cur_input].audioset & (1 << a->index)) { +- if (mxb->cur_audinput != a->index) { +- mxb->cur_audinput = a->index; +- tea6420_route(mxb, a->index); +- if (mxb->cur_audinput == 0) +- mxb_update_audmode(mxb); +- } +- return 0; ++ if (a->index >= 32 || ++ !(mxb_inputs[mxb->cur_input].audioset & (1 << a->index))) ++ return -EINVAL; ++ ++ if (mxb->cur_audinput != a->index) { ++ mxb->cur_audinput = a->index; ++ tea6420_route(mxb, a->index); ++ if (mxb->cur_audinput == 0) ++ mxb_update_audmode(mxb); + } +- return -EINVAL; ++ return 0; + } + + #ifdef CONFIG_VIDEO_ADV_DEBUG +diff --git a/drivers/media/pci/solo6x10/solo6x10-g723.c b/drivers/media/pci/solo6x10/solo6x10-g723.c +index 4a37a1c51c488..30407955a4d17 100644 +--- a/drivers/media/pci/solo6x10/solo6x10-g723.c ++++ b/drivers/media/pci/solo6x10/solo6x10-g723.c +@@ -385,7 +385,7 @@ int solo_g723_init(struct solo_dev *solo_dev) + + ret = snd_ctl_add(card, snd_ctl_new1(&kctl, solo_dev)); + if (ret < 0) +- return ret; ++ goto snd_error; + + ret = solo_snd_pcm_init(solo_dev); + if (ret < 0) +diff --git a/drivers/media/rc/sunxi-cir.c b/drivers/media/rc/sunxi-cir.c +index 40f77685cc4a2..3ad7b67797e9f 100644 +--- a/drivers/media/rc/sunxi-cir.c ++++ b/drivers/media/rc/sunxi-cir.c +@@ -132,6 +132,8 @@ static irqreturn_t sunxi_ir_irq(int irqno, void *dev_id) + } else if (status & REG_RXINT_RPEI_EN) { + ir_raw_event_set_idle(ir->rc, true); + ir_raw_event_handle(ir->rc); ++ } else { ++ ir_raw_event_handle(ir->rc); + } + + spin_unlock(&ir->ir_lock); +diff --git a/drivers/media/usb/gspca/gspca.c b/drivers/media/usb/gspca/gspca.c +index 3733c15c753ec..17b7b02330c97 100644 +--- a/drivers/media/usb/gspca/gspca.c ++++ b/drivers/media/usb/gspca/gspca.c +@@ -2130,6 +2130,7 @@ out: + input_unregister_device(gspca_dev->input_dev); + #endif + v4l2_ctrl_handler_free(gspca_dev->vdev.ctrl_handler); ++ v4l2_device_unregister(&gspca_dev->v4l2_dev); + kfree(gspca_dev->usb_buf); + kfree(gspca_dev); + return ret; +diff --git a/drivers/media/usb/msi2500/msi2500.c b/drivers/media/usb/msi2500/msi2500.c +index e06a21a4fbd9a..322238d9aa713 100644 +--- a/drivers/media/usb/msi2500/msi2500.c ++++ b/drivers/media/usb/msi2500/msi2500.c +@@ -1254,7 +1254,7 @@ static int msi2500_probe(struct usb_interface *intf, + } + + dev->master = master; +- master->bus_num = 0; ++ master->bus_num = -1; + master->num_chipselect = 1; + master->transfer_one_message = msi2500_transfer_one_message; + spi_master_set_devdata(master, dev); +diff --git a/drivers/memstick/core/memstick.c b/drivers/memstick/core/memstick.c +index 1041eb7a61672..2cae85a7ca6de 100644 +--- a/drivers/memstick/core/memstick.c ++++ b/drivers/memstick/core/memstick.c +@@ -469,7 +469,6 @@ static void memstick_check(struct work_struct *work) + host->card = card; + if (device_register(&card->dev)) { + put_device(&card->dev); +- kfree(host->card); + host->card = NULL; + } + } else +diff --git a/drivers/memstick/host/r592.c b/drivers/memstick/host/r592.c +index ef09ba0289d72..b3857445d6736 100644 +--- a/drivers/memstick/host/r592.c ++++ b/drivers/memstick/host/r592.c +@@ -763,8 +763,10 @@ static int r592_probe(struct pci_dev *pdev, const struct pci_device_id *id) + goto error3; + + dev->mmio = pci_ioremap_bar(pdev, 0); +- if (!dev->mmio) ++ if (!dev->mmio) { ++ error = -ENOMEM; + goto error4; ++ } + + dev->irq = pdev->irq; + spin_lock_init(&dev->irq_lock); +@@ -791,12 +793,14 @@ static int r592_probe(struct pci_dev *pdev, const struct pci_device_id *id) + &dev->dummy_dma_page_physical_address, GFP_KERNEL); + r592_stop_dma(dev , 0); + +- if (request_irq(dev->irq, &r592_irq, IRQF_SHARED, +- DRV_NAME, dev)) ++ error = request_irq(dev->irq, &r592_irq, IRQF_SHARED, ++ DRV_NAME, dev); ++ if (error) + goto error6; + + r592_update_card_detect(dev); +- if (memstick_add_host(host)) ++ error = memstick_add_host(host); ++ if (error) + goto error7; + + message("driver successfully loaded"); +diff --git a/drivers/mtd/cmdlinepart.c b/drivers/mtd/cmdlinepart.c +index ffbc9b304beb2..ab5b023ad2791 100644 +--- a/drivers/mtd/cmdlinepart.c ++++ b/drivers/mtd/cmdlinepart.c +@@ -228,7 +228,7 @@ static int mtdpart_setup_real(char *s) + struct cmdline_mtd_partition *this_mtd; + struct mtd_partition *parts; + int mtd_id_len, num_parts; +- char *p, *mtd_id, *semicol; ++ char *p, *mtd_id, *semicol, *open_parenth; + + /* + * Replace the first ';' by a NULL char so strrchr can work +@@ -238,6 +238,14 @@ static int mtdpart_setup_real(char *s) + if (semicol) + *semicol = '\0'; + ++ /* ++ * make sure that part-names with ":" will not be handled as ++ * part of the mtd-id with an ":" ++ */ ++ open_parenth = strchr(s, '('); ++ if (open_parenth) ++ *open_parenth = '\0'; ++ + mtd_id = s; + + /* +@@ -247,6 +255,10 @@ static int mtdpart_setup_real(char *s) + */ + p = strrchr(s, ':'); + ++ /* Restore the '(' now. */ ++ if (open_parenth) ++ *open_parenth = '('; ++ + /* Restore the ';' now. */ + if (semicol) + *semicol = ';'; +diff --git a/drivers/net/can/softing/softing_main.c b/drivers/net/can/softing/softing_main.c +index 7621f91a8a209..fd48770ba7920 100644 +--- a/drivers/net/can/softing/softing_main.c ++++ b/drivers/net/can/softing/softing_main.c +@@ -393,8 +393,13 @@ static int softing_netdev_open(struct net_device *ndev) + + /* check or determine and set bittime */ + ret = open_candev(ndev); +- if (!ret) +- ret = softing_startstop(ndev, 1); ++ if (ret) ++ return ret; ++ ++ ret = softing_startstop(ndev, 1); ++ if (ret < 0) ++ close_candev(ndev); ++ + return ret; + } + +diff --git a/drivers/net/ethernet/allwinner/sun4i-emac.c b/drivers/net/ethernet/allwinner/sun4i-emac.c +index dde3cd2d47631..10dda58849c6e 100644 +--- a/drivers/net/ethernet/allwinner/sun4i-emac.c ++++ b/drivers/net/ethernet/allwinner/sun4i-emac.c +@@ -853,13 +853,13 @@ static int emac_probe(struct platform_device *pdev) + db->clk = devm_clk_get(&pdev->dev, NULL); + if (IS_ERR(db->clk)) { + ret = PTR_ERR(db->clk); +- goto out_iounmap; ++ goto out_dispose_mapping; + } + + ret = clk_prepare_enable(db->clk); + if (ret) { + dev_err(&pdev->dev, "Error couldn't enable clock (%d)\n", ret); +- goto out_iounmap; ++ goto out_dispose_mapping; + } + + ret = sunxi_sram_claim(&pdev->dev); +@@ -916,6 +916,8 @@ out_release_sram: + sunxi_sram_release(&pdev->dev); + out_clk_disable_unprepare: + clk_disable_unprepare(db->clk); ++out_dispose_mapping: ++ irq_dispose_mapping(ndev->irq); + out_iounmap: + iounmap(db->membase); + out: +@@ -934,6 +936,7 @@ static int emac_remove(struct platform_device *pdev) + unregister_netdev(ndev); + sunxi_sram_release(&pdev->dev); + clk_disable_unprepare(db->clk); ++ irq_dispose_mapping(ndev->irq); + iounmap(db->membase); + free_netdev(ndev); + +diff --git a/drivers/net/ethernet/broadcom/genet/bcmgenet.c b/drivers/net/ethernet/broadcom/genet/bcmgenet.c +index bae8df9517808..3a6cebff9f426 100644 +--- a/drivers/net/ethernet/broadcom/genet/bcmgenet.c ++++ b/drivers/net/ethernet/broadcom/genet/bcmgenet.c +@@ -3518,8 +3518,10 @@ static int bcmgenet_probe(struct platform_device *pdev) + clk_disable_unprepare(priv->clk); + + err = register_netdev(dev); +- if (err) ++ if (err) { ++ bcmgenet_mii_exit(dev); + goto err; ++ } + + return err; + +diff --git a/drivers/net/ethernet/korina.c b/drivers/net/ethernet/korina.c +index b491de946a0e6..88f5c45d9eef4 100644 +--- a/drivers/net/ethernet/korina.c ++++ b/drivers/net/ethernet/korina.c +@@ -216,7 +216,7 @@ static int korina_send_packet(struct sk_buff *skb, struct net_device *dev) + dev_kfree_skb_any(skb); + spin_unlock_irqrestore(&lp->lock, flags); + +- return NETDEV_TX_BUSY; ++ return NETDEV_TX_OK; + } + } + +diff --git a/drivers/net/ethernet/mellanox/mlx4/en_netdev.c b/drivers/net/ethernet/mellanox/mlx4/en_netdev.c +index 7d61a5de9d5a4..b7bde70a3e952 100644 +--- a/drivers/net/ethernet/mellanox/mlx4/en_netdev.c ++++ b/drivers/net/ethernet/mellanox/mlx4/en_netdev.c +@@ -1313,8 +1313,10 @@ static void mlx4_en_tx_timeout(struct net_device *dev) + } + + priv->port_stats.tx_timeout++; +- en_dbg(DRV, priv, "Scheduling watchdog\n"); +- queue_work(mdev->workqueue, &priv->watchdog_task); ++ if (!test_and_set_bit(MLX4_EN_STATE_FLAG_RESTARTING, &priv->state)) { ++ en_dbg(DRV, priv, "Scheduling port restart\n"); ++ queue_work(mdev->workqueue, &priv->restart_task); ++ } + } + + +@@ -1730,6 +1732,7 @@ int mlx4_en_start_port(struct net_device *dev) + local_bh_enable(); + } + ++ clear_bit(MLX4_EN_STATE_FLAG_RESTARTING, &priv->state); + netif_tx_start_all_queues(dev); + netif_device_attach(dev); + +@@ -1891,7 +1894,7 @@ void mlx4_en_stop_port(struct net_device *dev, int detach) + static void mlx4_en_restart(struct work_struct *work) + { + struct mlx4_en_priv *priv = container_of(work, struct mlx4_en_priv, +- watchdog_task); ++ restart_task); + struct mlx4_en_dev *mdev = priv->mdev; + struct net_device *dev = priv->dev; + +@@ -2121,7 +2124,7 @@ static int mlx4_en_change_mtu(struct net_device *dev, int new_mtu) + if (netif_running(dev)) { + mutex_lock(&mdev->state_lock); + if (!mdev->device_up) { +- /* NIC is probably restarting - let watchdog task reset ++ /* NIC is probably restarting - let restart task reset + * the port */ + en_dbg(DRV, priv, "Change MTU called with card down!?\n"); + } else { +@@ -2130,7 +2133,9 @@ static int mlx4_en_change_mtu(struct net_device *dev, int new_mtu) + if (err) { + en_err(priv, "Failed restarting port:%d\n", + priv->port); +- queue_work(mdev->workqueue, &priv->watchdog_task); ++ if (!test_and_set_bit(MLX4_EN_STATE_FLAG_RESTARTING, ++ &priv->state)) ++ queue_work(mdev->workqueue, &priv->restart_task); + } + } + mutex_unlock(&mdev->state_lock); +@@ -2850,7 +2855,7 @@ int mlx4_en_init_netdev(struct mlx4_en_dev *mdev, int port, + priv->counter_index = MLX4_SINK_COUNTER_INDEX(mdev->dev); + spin_lock_init(&priv->stats_lock); + INIT_WORK(&priv->rx_mode_task, mlx4_en_do_set_rx_mode); +- INIT_WORK(&priv->watchdog_task, mlx4_en_restart); ++ INIT_WORK(&priv->restart_task, mlx4_en_restart); + INIT_WORK(&priv->linkstate_task, mlx4_en_linkstate); + INIT_DELAYED_WORK(&priv->stats_task, mlx4_en_do_get_stats); + INIT_DELAYED_WORK(&priv->service_task, mlx4_en_service_task); +diff --git a/drivers/net/ethernet/mellanox/mlx4/mlx4_en.h b/drivers/net/ethernet/mellanox/mlx4/mlx4_en.h +index 607daaffae986..440f1ab6d92e2 100644 +--- a/drivers/net/ethernet/mellanox/mlx4/mlx4_en.h ++++ b/drivers/net/ethernet/mellanox/mlx4/mlx4_en.h +@@ -495,6 +495,10 @@ struct mlx4_en_stats_bitmap { + struct mutex mutex; /* for mutual access to stats bitmap */ + }; + ++enum { ++ MLX4_EN_STATE_FLAG_RESTARTING, ++}; ++ + struct mlx4_en_priv { + struct mlx4_en_dev *mdev; + struct mlx4_en_port_profile *prof; +@@ -560,7 +564,7 @@ struct mlx4_en_priv { + struct mlx4_en_cq *rx_cq[MAX_RX_RINGS]; + struct mlx4_qp drop_qp; + struct work_struct rx_mode_task; +- struct work_struct watchdog_task; ++ struct work_struct restart_task; + struct work_struct linkstate_task; + struct delayed_work stats_task; + struct delayed_work service_task; +@@ -605,6 +609,7 @@ struct mlx4_en_priv { + u32 pflags; + u8 rss_key[MLX4_EN_RSS_KEY_SIZE]; + u8 rss_hash_fn; ++ unsigned long state; + }; + + enum mlx4_en_wol { +diff --git a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_main.c b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_main.c +index 1205f6f9c9417..a4b10776f8346 100644 +--- a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_main.c ++++ b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_main.c +@@ -2506,6 +2506,7 @@ qlcnic_probe(struct pci_dev *pdev, const struct pci_device_id *ent) + qlcnic_sriov_vf_register_map(ahw); + break; + default: ++ err = -EINVAL; + goto err_out_free_hw_res; + } + +diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c +index 6f695239e6580..d9462ee91a4bc 100644 +--- a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c ++++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c +@@ -1897,9 +1897,6 @@ static int stmmac_release(struct net_device *dev) + { + struct stmmac_priv *priv = netdev_priv(dev); + +- if (priv->eee_enabled) +- del_timer_sync(&priv->eee_ctrl_timer); +- + /* Stop and disconnect the PHY */ + if (priv->phydev) { + phy_stop(priv->phydev); +@@ -1920,6 +1917,11 @@ static int stmmac_release(struct net_device *dev) + if (priv->lpi_irq > 0) + free_irq(priv->lpi_irq, dev); + ++ if (priv->eee_enabled) { ++ priv->tx_path_in_lpi_mode = false; ++ del_timer_sync(&priv->eee_ctrl_timer); ++ } ++ + /* Stop TX/RX DMA and clear the descriptors */ + priv->hw->dma->stop_tx(priv->ioaddr); + priv->hw->dma->stop_rx(priv->ioaddr); +@@ -3068,6 +3070,11 @@ int stmmac_suspend(struct net_device *ndev) + + napi_disable(&priv->napi); + ++ if (priv->eee_enabled) { ++ priv->tx_path_in_lpi_mode = false; ++ del_timer_sync(&priv->eee_ctrl_timer); ++ } ++ + /* Stop TX/RX DMA */ + priv->hw->dma->stop_tx(priv->ioaddr); + priv->hw->dma->stop_rx(priv->ioaddr); +diff --git a/drivers/net/wireless/cw1200/main.c b/drivers/net/wireless/cw1200/main.c +index 317daa968e037..057725b06f640 100644 +--- a/drivers/net/wireless/cw1200/main.c ++++ b/drivers/net/wireless/cw1200/main.c +@@ -385,6 +385,7 @@ static struct ieee80211_hw *cw1200_init_common(const u8 *macaddr, + CW1200_LINK_ID_MAX, + cw1200_skb_dtor, + priv)) { ++ destroy_workqueue(priv->workqueue); + ieee80211_free_hw(hw); + return NULL; + } +@@ -396,6 +397,7 @@ static struct ieee80211_hw *cw1200_init_common(const u8 *macaddr, + for (; i > 0; i--) + cw1200_queue_deinit(&priv->tx_queue[i - 1]); + cw1200_queue_stats_deinit(&priv->tx_queue_stats); ++ destroy_workqueue(priv->workqueue); + ieee80211_free_hw(hw); + return NULL; + } +diff --git a/drivers/net/wireless/orinoco/orinoco_usb.c b/drivers/net/wireless/orinoco/orinoco_usb.c +index 3c5baccd67922..8eb73d54b1d6d 100644 +--- a/drivers/net/wireless/orinoco/orinoco_usb.c ++++ b/drivers/net/wireless/orinoco/orinoco_usb.c +@@ -1224,13 +1224,6 @@ static netdev_tx_t ezusb_xmit(struct sk_buff *skb, struct net_device *dev) + if (skb->len < ETH_HLEN) + goto drop; + +- ctx = ezusb_alloc_ctx(upriv, EZUSB_RID_TX, 0); +- if (!ctx) +- goto busy; +- +- memset(ctx->buf, 0, BULK_BUF_SIZE); +- buf = ctx->buf->data; +- + tx_control = 0; + + err = orinoco_process_xmit_skb(skb, dev, priv, &tx_control, +@@ -1238,6 +1231,13 @@ static netdev_tx_t ezusb_xmit(struct sk_buff *skb, struct net_device *dev) + if (err) + goto drop; + ++ ctx = ezusb_alloc_ctx(upriv, EZUSB_RID_TX, 0); ++ if (!ctx) ++ goto drop; ++ ++ memset(ctx->buf, 0, BULK_BUF_SIZE); ++ buf = ctx->buf->data; ++ + { + __le16 *tx_cntl = (__le16 *)buf; + *tx_cntl = cpu_to_le16(tx_control); +diff --git a/drivers/net/xen-netback/xenbus.c b/drivers/net/xen-netback/xenbus.c +index 56ebd8267386e..21c8e2720b403 100644 +--- a/drivers/net/xen-netback/xenbus.c ++++ b/drivers/net/xen-netback/xenbus.c +@@ -697,12 +697,14 @@ static int xen_register_watchers(struct xenbus_device *dev, struct xenvif *vif) + return -ENOMEM; + snprintf(node, maxlen, "%s/rate", dev->nodename); + vif->credit_watch.node = node; ++ vif->credit_watch.will_handle = NULL; + vif->credit_watch.callback = xen_net_rate_changed; + err = register_xenbus_watch(&vif->credit_watch); + if (err) { + pr_err("Failed to set watcher %s\n", vif->credit_watch.node); + kfree(node); + vif->credit_watch.node = NULL; ++ vif->credit_watch.will_handle = NULL; + vif->credit_watch.callback = NULL; + } + return err; +@@ -847,7 +849,7 @@ static void connect(struct backend_info *be) + xenvif_carrier_on(be->vif); + + unregister_hotplug_status_watch(be); +- err = xenbus_watch_pathfmt(dev, &be->hotplug_status_watch, ++ err = xenbus_watch_pathfmt(dev, &be->hotplug_status_watch, NULL, + hotplug_status_changed, + "%s/%s", dev->nodename, "hotplug-status"); + if (!err) +diff --git a/drivers/nfc/s3fwrn5/firmware.c b/drivers/nfc/s3fwrn5/firmware.c +index 64a90252c57f2..b387845d3c72a 100644 +--- a/drivers/nfc/s3fwrn5/firmware.c ++++ b/drivers/nfc/s3fwrn5/firmware.c +@@ -304,8 +304,10 @@ static int s3fwrn5_fw_request_firmware(struct s3fwrn5_fw_info *fw_info) + if (ret < 0) + return ret; + +- if (fw->fw->size < S3FWRN5_FW_IMAGE_HEADER_SIZE) ++ if (fw->fw->size < S3FWRN5_FW_IMAGE_HEADER_SIZE) { ++ release_firmware(fw->fw); + return -EINVAL; ++ } + + memcpy(fw->date, fw->fw->data + 0x00, 12); + fw->date[12] = '\0'; +diff --git a/drivers/pci/slot.c b/drivers/pci/slot.c +index 01a343ad7155c..14d84d5a0f581 100644 +--- a/drivers/pci/slot.c ++++ b/drivers/pci/slot.c +@@ -307,6 +307,9 @@ placeholder: + goto err; + } + ++ INIT_LIST_HEAD(&slot->list); ++ list_add(&slot->list, &parent->slots); ++ + err = kobject_init_and_add(&slot->kobj, &pci_slot_ktype, NULL, + "%s", slot_name); + if (err) { +@@ -314,9 +317,6 @@ placeholder: + goto err; + } + +- INIT_LIST_HEAD(&slot->list); +- list_add(&slot->list, &parent->slots); +- + down_read(&pci_bus_sem); + list_for_each_entry(dev, &parent->devices, bus_list) + if (PCI_SLOT(dev->devfn) == slot_nr) +diff --git a/drivers/pinctrl/pinctrl-amd.c b/drivers/pinctrl/pinctrl-amd.c +index a3b27856b9e97..43440b6b85bc3 100644 +--- a/drivers/pinctrl/pinctrl-amd.c ++++ b/drivers/pinctrl/pinctrl-amd.c +@@ -399,7 +399,6 @@ static int amd_gpio_irq_set_type(struct irq_data *d, unsigned int type) + pin_reg &= ~BIT(LEVEL_TRIG_OFF); + pin_reg &= ~(ACTIVE_LEVEL_MASK << ACTIVE_LEVEL_OFF); + pin_reg |= ACTIVE_HIGH << ACTIVE_LEVEL_OFF; +- pin_reg |= DB_TYPE_REMOVE_GLITCH << DB_CNTRL_OFF; + irq_set_handler_locked(d, handle_edge_irq); + break; + +@@ -407,7 +406,6 @@ static int amd_gpio_irq_set_type(struct irq_data *d, unsigned int type) + pin_reg &= ~BIT(LEVEL_TRIG_OFF); + pin_reg &= ~(ACTIVE_LEVEL_MASK << ACTIVE_LEVEL_OFF); + pin_reg |= ACTIVE_LOW << ACTIVE_LEVEL_OFF; +- pin_reg |= DB_TYPE_REMOVE_GLITCH << DB_CNTRL_OFF; + irq_set_handler_locked(d, handle_edge_irq); + break; + +@@ -415,7 +413,6 @@ static int amd_gpio_irq_set_type(struct irq_data *d, unsigned int type) + pin_reg &= ~BIT(LEVEL_TRIG_OFF); + pin_reg &= ~(ACTIVE_LEVEL_MASK << ACTIVE_LEVEL_OFF); + pin_reg |= BOTH_EADGE << ACTIVE_LEVEL_OFF; +- pin_reg |= DB_TYPE_REMOVE_GLITCH << DB_CNTRL_OFF; + irq_set_handler_locked(d, handle_edge_irq); + break; + +@@ -423,8 +420,6 @@ static int amd_gpio_irq_set_type(struct irq_data *d, unsigned int type) + pin_reg |= LEVEL_TRIGGER << LEVEL_TRIG_OFF; + pin_reg &= ~(ACTIVE_LEVEL_MASK << ACTIVE_LEVEL_OFF); + pin_reg |= ACTIVE_HIGH << ACTIVE_LEVEL_OFF; +- pin_reg &= ~(DB_CNTRl_MASK << DB_CNTRL_OFF); +- pin_reg |= DB_TYPE_PRESERVE_LOW_GLITCH << DB_CNTRL_OFF; + irq_set_handler_locked(d, handle_level_irq); + break; + +@@ -432,8 +427,6 @@ static int amd_gpio_irq_set_type(struct irq_data *d, unsigned int type) + pin_reg |= LEVEL_TRIGGER << LEVEL_TRIG_OFF; + pin_reg &= ~(ACTIVE_LEVEL_MASK << ACTIVE_LEVEL_OFF); + pin_reg |= ACTIVE_LOW << ACTIVE_LEVEL_OFF; +- pin_reg &= ~(DB_CNTRl_MASK << DB_CNTRL_OFF); +- pin_reg |= DB_TYPE_PRESERVE_HIGH_GLITCH << DB_CNTRL_OFF; + irq_set_handler_locked(d, handle_level_irq); + break; + +diff --git a/drivers/pinctrl/pinctrl-falcon.c b/drivers/pinctrl/pinctrl-falcon.c +index 0b0fc2eb48e0b..adcdb0585d398 100644 +--- a/drivers/pinctrl/pinctrl-falcon.c ++++ b/drivers/pinctrl/pinctrl-falcon.c +@@ -438,24 +438,28 @@ static int pinctrl_falcon_probe(struct platform_device *pdev) + + /* load and remap the pad resources of the different banks */ + for_each_compatible_node(np, NULL, "lantiq,pad-falcon") { +- struct platform_device *ppdev = of_find_device_by_node(np); + const __be32 *bank = of_get_property(np, "lantiq,bank", NULL); + struct resource res; ++ struct platform_device *ppdev; + u32 avail; + int pins; + + if (!of_device_is_available(np)) + continue; + +- if (!ppdev) { +- dev_err(&pdev->dev, "failed to find pad pdev\n"); +- continue; +- } + if (!bank || *bank >= PORTS) + continue; + if (of_address_to_resource(np, 0, &res)) + continue; ++ ++ ppdev = of_find_device_by_node(np); ++ if (!ppdev) { ++ dev_err(&pdev->dev, "failed to find pad pdev\n"); ++ continue; ++ } ++ + falcon_info.clk[*bank] = clk_get(&ppdev->dev, NULL); ++ put_device(&ppdev->dev); + if (IS_ERR(falcon_info.clk[*bank])) { + dev_err(&ppdev->dev, "failed to get clock\n"); + return PTR_ERR(falcon_info.clk[*bank]); +diff --git a/drivers/platform/x86/acer-wmi.c b/drivers/platform/x86/acer-wmi.c +index 5c169a837ebdf..b336f2620f9dc 100644 +--- a/drivers/platform/x86/acer-wmi.c ++++ b/drivers/platform/x86/acer-wmi.c +@@ -124,6 +124,7 @@ static const struct key_entry acer_wmi_keymap[] __initconst = { + {KE_KEY, 0x64, {KEY_SWITCHVIDEOMODE} }, /* Display Switch */ + {KE_IGNORE, 0x81, {KEY_SLEEP} }, + {KE_KEY, 0x82, {KEY_TOUCHPAD_TOGGLE} }, /* Touch Pad Toggle */ ++ {KE_IGNORE, 0x84, {KEY_KBDILLUMTOGGLE} }, /* Automatic Keyboard background light toggle */ + {KE_KEY, KEY_TOUCHPAD_ON, {KEY_TOUCHPAD_ON} }, + {KE_KEY, KEY_TOUCHPAD_OFF, {KEY_TOUCHPAD_OFF} }, + {KE_IGNORE, 0x83, {KEY_TOUCHPAD_TOGGLE} }, +diff --git a/drivers/ps3/ps3stor_lib.c b/drivers/ps3/ps3stor_lib.c +index 8c3f5adf1bc65..2d76183756626 100644 +--- a/drivers/ps3/ps3stor_lib.c ++++ b/drivers/ps3/ps3stor_lib.c +@@ -201,7 +201,7 @@ int ps3stor_setup(struct ps3_storage_device *dev, irq_handler_t handler) + dev->bounce_lpar = ps3_mm_phys_to_lpar(__pa(dev->bounce_buf)); + dev->bounce_dma = dma_map_single(&dev->sbd.core, dev->bounce_buf, + dev->bounce_size, DMA_BIDIRECTIONAL); +- if (!dev->bounce_dma) { ++ if (dma_mapping_error(&dev->sbd.core, dev->bounce_dma)) { + dev_err(&dev->sbd.core, "%s:%u: map DMA region failed\n", + __func__, __LINE__); + error = -ENODEV; +diff --git a/drivers/s390/block/dasd_alias.c b/drivers/s390/block/dasd_alias.c +index 6601047d4b656..89b708135000c 100644 +--- a/drivers/s390/block/dasd_alias.c ++++ b/drivers/s390/block/dasd_alias.c +@@ -258,7 +258,6 @@ void dasd_alias_disconnect_device_from_lcu(struct dasd_device *device) + return; + device->discipline->get_uid(device, &uid); + spin_lock_irqsave(&lcu->lock, flags); +- list_del_init(&device->alias_list); + /* make sure that the workers don't use this device */ + if (device == lcu->suc_data.device) { + spin_unlock_irqrestore(&lcu->lock, flags); +@@ -285,6 +284,7 @@ void dasd_alias_disconnect_device_from_lcu(struct dasd_device *device) + + spin_lock_irqsave(&aliastree.lock, flags); + spin_lock(&lcu->lock); ++ list_del_init(&device->alias_list); + if (list_empty(&lcu->grouplist) && + list_empty(&lcu->active_devices) && + list_empty(&lcu->inactive_devices)) { +@@ -637,6 +637,7 @@ int dasd_alias_add_device(struct dasd_device *device) + } + if (lcu->flags & UPDATE_PENDING) { + list_move(&device->alias_list, &lcu->active_devices); ++ private->pavgroup = NULL; + _schedule_lcu_update(lcu, device); + } + spin_unlock(&lcu->lock); +diff --git a/drivers/scsi/bnx2i/Kconfig b/drivers/scsi/bnx2i/Kconfig +index ba30ff86d5818..b27a3738d940c 100644 +--- a/drivers/scsi/bnx2i/Kconfig ++++ b/drivers/scsi/bnx2i/Kconfig +@@ -3,6 +3,7 @@ config SCSI_BNX2_ISCSI + depends on NET + depends on PCI + depends on (IPV6 || IPV6=n) ++ depends on MMU + select SCSI_ISCSI_ATTRS + select NETDEVICES + select ETHERNET +diff --git a/drivers/scsi/fnic/fnic_main.c b/drivers/scsi/fnic/fnic_main.c +index 58ce9020d69c5..389c13e1c9788 100644 +--- a/drivers/scsi/fnic/fnic_main.c ++++ b/drivers/scsi/fnic/fnic_main.c +@@ -735,6 +735,7 @@ static int fnic_probe(struct pci_dev *pdev, const struct pci_device_id *ent) + for (i = 0; i < FNIC_IO_LOCKS; i++) + spin_lock_init(&fnic->io_req_lock[i]); + ++ err = -ENOMEM; + fnic->io_req_pool = mempool_create_slab_pool(2, fnic_io_req_cache); + if (!fnic->io_req_pool) + goto err_out_free_resources; +diff --git a/drivers/scsi/pm8001/pm8001_init.c b/drivers/scsi/pm8001/pm8001_init.c +index 062ab34b86f8b..a982701bc3e0c 100644 +--- a/drivers/scsi/pm8001/pm8001_init.c ++++ b/drivers/scsi/pm8001/pm8001_init.c +@@ -1063,7 +1063,8 @@ static int pm8001_pci_probe(struct pci_dev *pdev, + + pm8001_init_sas_add(pm8001_ha); + /* phy setting support for motherboard controller */ +- if (pm8001_configure_phy_settings(pm8001_ha)) ++ rc = pm8001_configure_phy_settings(pm8001_ha); ++ if (rc) + goto err_out_shost; + + pm8001_post_sas_ha_init(shost, chip); +diff --git a/drivers/soc/tegra/fuse/speedo-tegra210.c b/drivers/soc/tegra/fuse/speedo-tegra210.c +index 5373f4c16b54c..4403b89561fd6 100644 +--- a/drivers/soc/tegra/fuse/speedo-tegra210.c ++++ b/drivers/soc/tegra/fuse/speedo-tegra210.c +@@ -105,7 +105,7 @@ static int get_process_id(int value, const u32 *speedos, unsigned int num) + unsigned int i; + + for (i = 0; i < num; i++) +- if (value < speedos[num]) ++ if (value < speedos[i]) + return i; + + return -EINVAL; +diff --git a/drivers/soc/ti/knav_dma.c b/drivers/soc/ti/knav_dma.c +index bc1b80ec6afe3..838b87adf48bb 100644 +--- a/drivers/soc/ti/knav_dma.c ++++ b/drivers/soc/ti/knav_dma.c +@@ -752,8 +752,9 @@ static int knav_dma_probe(struct platform_device *pdev) + pm_runtime_enable(kdev->dev); + ret = pm_runtime_get_sync(kdev->dev); + if (ret < 0) { ++ pm_runtime_put_noidle(kdev->dev); + dev_err(kdev->dev, "unable to enable pktdma, err %d\n", ret); +- return ret; ++ goto err_pm_disable; + } + + /* Initialise all packet dmas */ +@@ -767,13 +768,21 @@ static int knav_dma_probe(struct platform_device *pdev) + + if (list_empty(&kdev->list)) { + dev_err(dev, "no valid dma instance\n"); +- return -ENODEV; ++ ret = -ENODEV; ++ goto err_put_sync; + } + + debugfs_create_file("knav_dma", S_IFREG | S_IRUGO, NULL, NULL, + &knav_dma_debug_ops); + + return ret; ++ ++err_put_sync: ++ pm_runtime_put_sync(kdev->dev); ++err_pm_disable: ++ pm_runtime_disable(kdev->dev); ++ ++ return ret; + } + + static int knav_dma_remove(struct platform_device *pdev) +diff --git a/drivers/soc/ti/knav_qmss_queue.c b/drivers/soc/ti/knav_qmss_queue.c +index 8c03a80b482dd..1aff6659655e3 100644 +--- a/drivers/soc/ti/knav_qmss_queue.c ++++ b/drivers/soc/ti/knav_qmss_queue.c +@@ -1717,6 +1717,7 @@ static int knav_queue_probe(struct platform_device *pdev) + pm_runtime_enable(&pdev->dev); + ret = pm_runtime_get_sync(&pdev->dev); + if (ret < 0) { ++ pm_runtime_put_noidle(&pdev->dev); + dev_err(dev, "Failed to enable QMSS\n"); + return ret; + } +@@ -1784,9 +1785,10 @@ static int knav_queue_probe(struct platform_device *pdev) + if (ret) + goto err; + +- regions = of_get_child_by_name(node, "descriptor-regions"); ++ regions = of_get_child_by_name(node, "descriptor-regions"); + if (!regions) { + dev_err(dev, "descriptor-regions not specified\n"); ++ ret = -ENODEV; + goto err; + } + ret = knav_queue_setup_regions(kdev, regions); +diff --git a/drivers/spi/Kconfig b/drivers/spi/Kconfig +index 8b9c2a38d1ccd..a81a3cbf1439a 100644 +--- a/drivers/spi/Kconfig ++++ b/drivers/spi/Kconfig +@@ -706,4 +706,7 @@ endif # SPI_MASTER + + # (slave support would go here) + ++config SPI_DYNAMIC ++ def_bool ACPI || OF_DYNAMIC || SPI_SLAVE ++ + endif # SPI +diff --git a/drivers/spi/spi-bcm2835aux.c b/drivers/spi/spi-bcm2835aux.c +index 5ffc2765a8ddf..0b5aff090b2e3 100644 +--- a/drivers/spi/spi-bcm2835aux.c ++++ b/drivers/spi/spi-bcm2835aux.c +@@ -381,7 +381,7 @@ static int bcm2835aux_spi_probe(struct platform_device *pdev) + unsigned long clk_hz; + int err; + +- master = spi_alloc_master(&pdev->dev, sizeof(*bs)); ++ master = devm_spi_alloc_master(&pdev->dev, sizeof(*bs)); + if (!master) { + dev_err(&pdev->dev, "spi_alloc_master() failed\n"); + return -ENOMEM; +@@ -411,30 +411,27 @@ static int bcm2835aux_spi_probe(struct platform_device *pdev) + /* the main area */ + res = platform_get_resource(pdev, IORESOURCE_MEM, 0); + bs->regs = devm_ioremap_resource(&pdev->dev, res); +- if (IS_ERR(bs->regs)) { +- err = PTR_ERR(bs->regs); +- goto out_master_put; +- } ++ if (IS_ERR(bs->regs)) ++ return PTR_ERR(bs->regs); + + bs->clk = devm_clk_get(&pdev->dev, NULL); + if ((!bs->clk) || (IS_ERR(bs->clk))) { + err = PTR_ERR(bs->clk); + dev_err(&pdev->dev, "could not get clk: %d\n", err); +- goto out_master_put; ++ return err; + } + + bs->irq = platform_get_irq(pdev, 0); + if (bs->irq <= 0) { + dev_err(&pdev->dev, "could not get IRQ: %d\n", bs->irq); +- err = bs->irq ? bs->irq : -ENODEV; +- goto out_master_put; ++ return bs->irq ? bs->irq : -ENODEV; + } + + /* this also enables the HW block */ + err = clk_prepare_enable(bs->clk); + if (err) { + dev_err(&pdev->dev, "could not prepare clock: %d\n", err); +- goto out_master_put; ++ return err; + } + + /* just checking if the clock returns a sane value */ +@@ -467,8 +464,6 @@ static int bcm2835aux_spi_probe(struct platform_device *pdev) + + out_clk_disable: + clk_disable_unprepare(bs->clk); +-out_master_put: +- spi_master_put(master); + return err; + } + +diff --git a/drivers/spi/spi-img-spfi.c b/drivers/spi/spi-img-spfi.c +index c46c0738c7340..e58319e58ba4b 100644 +--- a/drivers/spi/spi-img-spfi.c ++++ b/drivers/spi/spi-img-spfi.c +@@ -773,8 +773,10 @@ static int img_spfi_resume(struct device *dev) + int ret; + + ret = pm_runtime_get_sync(dev); +- if (ret) ++ if (ret) { ++ pm_runtime_put_noidle(dev); + return ret; ++ } + spfi_reset(spfi); + pm_runtime_put(dev); + +diff --git a/drivers/spi/spi-rb4xx.c b/drivers/spi/spi-rb4xx.c +index 3641d0e20135b..1d7fd6dbaf876 100644 +--- a/drivers/spi/spi-rb4xx.c ++++ b/drivers/spi/spi-rb4xx.c +@@ -148,7 +148,7 @@ static int rb4xx_spi_probe(struct platform_device *pdev) + if (IS_ERR(spi_base)) + return PTR_ERR(spi_base); + +- master = spi_alloc_master(&pdev->dev, sizeof(*rbspi)); ++ master = devm_spi_alloc_master(&pdev->dev, sizeof(*rbspi)); + if (!master) + return -ENOMEM; + +diff --git a/drivers/spi/spi-tegra114.c b/drivers/spi/spi-tegra114.c +index e37712bed0b2d..d1ca8f619b828 100644 +--- a/drivers/spi/spi-tegra114.c ++++ b/drivers/spi/spi-tegra114.c +@@ -801,6 +801,7 @@ static int tegra_spi_setup(struct spi_device *spi) + + ret = pm_runtime_get_sync(tspi->dev); + if (ret < 0) { ++ pm_runtime_put_noidle(tspi->dev); + dev_err(tspi->dev, "pm runtime failed, e = %d\n", ret); + return ret; + } +@@ -1214,6 +1215,7 @@ static int tegra_spi_resume(struct device *dev) + + ret = pm_runtime_get_sync(dev); + if (ret < 0) { ++ pm_runtime_put_noidle(dev); + dev_err(dev, "pm runtime failed, e = %d\n", ret); + return ret; + } +diff --git a/drivers/spi/spi-tegra20-sflash.c b/drivers/spi/spi-tegra20-sflash.c +index b6558bb6f9dfc..4b9541e1726a5 100644 +--- a/drivers/spi/spi-tegra20-sflash.c ++++ b/drivers/spi/spi-tegra20-sflash.c +@@ -564,6 +564,7 @@ static int tegra_sflash_resume(struct device *dev) + + ret = pm_runtime_get_sync(dev); + if (ret < 0) { ++ pm_runtime_put_noidle(dev); + dev_err(dev, "pm runtime failed, e = %d\n", ret); + return ret; + } +diff --git a/drivers/spi/spi-tegra20-slink.c b/drivers/spi/spi-tegra20-slink.c +index cf2a329fd8958..9f14560686b68 100644 +--- a/drivers/spi/spi-tegra20-slink.c ++++ b/drivers/spi/spi-tegra20-slink.c +@@ -761,6 +761,7 @@ static int tegra_slink_setup(struct spi_device *spi) + + ret = pm_runtime_get_sync(tspi->dev); + if (ret < 0) { ++ pm_runtime_put_noidle(tspi->dev); + dev_err(tspi->dev, "pm runtime failed, e = %d\n", ret); + return ret; + } +@@ -1197,6 +1198,7 @@ static int tegra_slink_resume(struct device *dev) + + ret = pm_runtime_get_sync(dev); + if (ret < 0) { ++ pm_runtime_put_noidle(dev); + dev_err(dev, "pm runtime failed, e = %d\n", ret); + return ret; + } +diff --git a/drivers/spi/spi-ti-qspi.c b/drivers/spi/spi-ti-qspi.c +index 5044c61983324..6e97f71a8cea3 100644 +--- a/drivers/spi/spi-ti-qspi.c ++++ b/drivers/spi/spi-ti-qspi.c +@@ -159,6 +159,7 @@ static int ti_qspi_setup(struct spi_device *spi) + + ret = pm_runtime_get_sync(qspi->dev); + if (ret < 0) { ++ pm_runtime_put_noidle(qspi->dev); + dev_err(qspi->dev, "pm_runtime_get_sync() failed\n"); + return ret; + } +diff --git a/drivers/spi/spi.c b/drivers/spi/spi.c +index ed87f71a428d1..e85feee750e3d 100644 +--- a/drivers/spi/spi.c ++++ b/drivers/spi/spi.c +@@ -418,6 +418,12 @@ static LIST_HEAD(spi_master_list); + */ + static DEFINE_MUTEX(board_lock); + ++/* ++ * Prevents addition of devices with same chip select and ++ * addition of devices below an unregistering controller. ++ */ ++static DEFINE_MUTEX(spi_add_lock); ++ + /** + * spi_alloc_device - Allocate a new SPI device + * @master: Controller to which device is connected +@@ -496,7 +502,6 @@ static int spi_dev_check(struct device *dev, void *data) + */ + int spi_add_device(struct spi_device *spi) + { +- static DEFINE_MUTEX(spi_add_lock); + struct spi_master *master = spi->master; + struct device *dev = master->dev.parent; + int status; +@@ -525,6 +530,13 @@ int spi_add_device(struct spi_device *spi) + goto done; + } + ++ /* Controller may unregister concurrently */ ++ if (IS_ENABLED(CONFIG_SPI_DYNAMIC) && ++ !device_is_registered(&master->dev)) { ++ status = -ENODEV; ++ goto done; ++ } ++ + if (master->cs_gpios) + spi->cs_gpio = master->cs_gpios[spi->chip_select]; + +@@ -1962,6 +1974,10 @@ static int __unregister(struct device *dev, void *null) + */ + void spi_unregister_master(struct spi_master *master) + { ++ /* Prevent addition of new devices, unregister existing ones */ ++ if (IS_ENABLED(CONFIG_SPI_DYNAMIC)) ++ mutex_lock(&spi_add_lock); ++ + device_for_each_child(&master->dev, NULL, __unregister); + + if (master->queued) { +@@ -1981,6 +1997,9 @@ void spi_unregister_master(struct spi_master *master) + if (!devres_find(master->dev.parent, devm_spi_release_master, + devm_spi_match_master, master)) + put_device(&master->dev); ++ ++ if (IS_ENABLED(CONFIG_SPI_DYNAMIC)) ++ mutex_unlock(&spi_add_lock); + } + EXPORT_SYMBOL_GPL(spi_unregister_master); + +diff --git a/drivers/staging/comedi/drivers/mf6x4.c b/drivers/staging/comedi/drivers/mf6x4.c +index fbdf181d8cccc..40aa24a9b2c30 100644 +--- a/drivers/staging/comedi/drivers/mf6x4.c ++++ b/drivers/staging/comedi/drivers/mf6x4.c +@@ -121,8 +121,9 @@ static int mf6x4_ai_eoc(struct comedi_device *dev, + struct mf6x4_private *devpriv = dev->private; + unsigned int status; + ++ /* EOLC goes low at end of conversion. */ + status = ioread32(devpriv->gpioc_reg); +- if (status & MF6X4_GPIOC_EOLC) ++ if ((status & MF6X4_GPIOC_EOLC) == 0) + return 0; + return -EBUSY; + } +diff --git a/drivers/staging/speakup/speakup_dectlk.c b/drivers/staging/speakup/speakup_dectlk.c +index 09063b82326f1..71aa623facd69 100644 +--- a/drivers/staging/speakup/speakup_dectlk.c ++++ b/drivers/staging/speakup/speakup_dectlk.c +@@ -51,7 +51,7 @@ static unsigned char get_index(void); + static int in_escape; + static int is_flushing; + +-static spinlock_t flush_lock; ++static DEFINE_SPINLOCK(flush_lock); + static DECLARE_WAIT_QUEUE_HEAD(flush); + + static struct var_t vars[] = { +diff --git a/drivers/tty/serial/8250/8250_omap.c b/drivers/tty/serial/8250/8250_omap.c +index 0377b35d62b80..4bcb8dfa48743 100644 +--- a/drivers/tty/serial/8250/8250_omap.c ++++ b/drivers/tty/serial/8250/8250_omap.c +@@ -155,11 +155,6 @@ static void omap_8250_mdr1_errataset(struct uart_8250_port *up, + struct omap8250_priv *priv) + { + u8 timeout = 255; +- u8 old_mdr1; +- +- old_mdr1 = serial_in(up, UART_OMAP_MDR1); +- if (old_mdr1 == priv->mdr1) +- return; + + serial_out(up, UART_OMAP_MDR1, priv->mdr1); + udelay(2); +diff --git a/drivers/usb/chipidea/ci_hdrc_imx.c b/drivers/usb/chipidea/ci_hdrc_imx.c +index 2949289bb3c50..97eb52b976057 100644 +--- a/drivers/usb/chipidea/ci_hdrc_imx.c ++++ b/drivers/usb/chipidea/ci_hdrc_imx.c +@@ -58,7 +58,8 @@ static const struct ci_hdrc_imx_platform_flag imx6sx_usb_data = { + + static const struct ci_hdrc_imx_platform_flag imx6ul_usb_data = { + .flags = CI_HDRC_SUPPORTS_RUNTIME_PM | +- CI_HDRC_TURN_VBUS_EARLY_ON, ++ CI_HDRC_TURN_VBUS_EARLY_ON | ++ CI_HDRC_DISABLE_DEVICE_STREAMING, + }; + + static const struct ci_hdrc_imx_platform_flag imx7d_usb_data = { +diff --git a/drivers/usb/core/quirks.c b/drivers/usb/core/quirks.c +index 34d8cece6dd3b..5d109717ac4e3 100644 +--- a/drivers/usb/core/quirks.c ++++ b/drivers/usb/core/quirks.c +@@ -189,6 +189,9 @@ static const struct usb_device_id usb_quirk_list[] = { + { USB_DEVICE(0x06a3, 0x0006), .driver_info = + USB_QUIRK_CONFIG_INTF_STRINGS }, + ++ /* Agfa SNAPSCAN 1212U */ ++ { USB_DEVICE(0x06bd, 0x0001), .driver_info = USB_QUIRK_RESET_RESUME }, ++ + /* Guillemot Webcam Hercules Dualpix Exchange (2nd ID) */ + { USB_DEVICE(0x06f8, 0x0804), .driver_info = USB_QUIRK_RESET_RESUME }, + +diff --git a/drivers/usb/gadget/function/f_rndis.c b/drivers/usb/gadget/function/f_rndis.c +index e281af92e0844..8482a8a37dde8 100644 +--- a/drivers/usb/gadget/function/f_rndis.c ++++ b/drivers/usb/gadget/function/f_rndis.c +@@ -91,8 +91,10 @@ static inline struct f_rndis *func_to_rndis(struct usb_function *f) + /* peak (theoretical) bulk transfer rate in bits-per-second */ + static unsigned int bitrate(struct usb_gadget *g) + { ++ if (gadget_is_superspeed(g) && g->speed >= USB_SPEED_SUPER_PLUS) ++ return 4250000000U; + if (gadget_is_superspeed(g) && g->speed == USB_SPEED_SUPER) +- return 13 * 1024 * 8 * 1000 * 8; ++ return 3750000000U; + else if (gadget_is_dualspeed(g) && g->speed == USB_SPEED_HIGH) + return 13 * 512 * 8 * 1000 * 8; + else +diff --git a/drivers/usb/gadget/udc/dummy_hcd.c b/drivers/usb/gadget/udc/dummy_hcd.c +index 0321b9ce9faf3..cbd4ef2c74b87 100644 +--- a/drivers/usb/gadget/udc/dummy_hcd.c ++++ b/drivers/usb/gadget/udc/dummy_hcd.c +@@ -2741,7 +2741,7 @@ static int __init init(void) + { + int retval = -ENOMEM; + int i; +- struct dummy *dum[MAX_NUM_UDC]; ++ struct dummy *dum[MAX_NUM_UDC] = {}; + + if (usb_disabled()) + return -ENODEV; +diff --git a/drivers/usb/host/ehci-omap.c b/drivers/usb/host/ehci-omap.c +index cccde8217f288..8e0625cc1801b 100644 +--- a/drivers/usb/host/ehci-omap.c ++++ b/drivers/usb/host/ehci-omap.c +@@ -237,6 +237,7 @@ static int ehci_hcd_omap_probe(struct platform_device *pdev) + + err_pm_runtime: + pm_runtime_put_sync(dev); ++ pm_runtime_disable(dev); + + err_phy: + for (i = 0; i < omap->nports; i++) { +diff --git a/drivers/usb/host/oxu210hp-hcd.c b/drivers/usb/host/oxu210hp-hcd.c +index 1f139d82cee08..d1e0d9d4e7a60 100644 +--- a/drivers/usb/host/oxu210hp-hcd.c ++++ b/drivers/usb/host/oxu210hp-hcd.c +@@ -3741,8 +3741,10 @@ static struct usb_hcd *oxu_create(struct platform_device *pdev, + oxu->is_otg = otg; + + ret = usb_add_hcd(hcd, irq, IRQF_SHARED); +- if (ret < 0) ++ if (ret < 0) { ++ usb_put_hcd(hcd); + return ERR_PTR(ret); ++ } + + device_wakeup_enable(hcd->self.controller); + return hcd; +diff --git a/drivers/usb/host/xhci-hub.c b/drivers/usb/host/xhci-hub.c +index 6891738278bcb..74d5975bf98f1 100644 +--- a/drivers/usb/host/xhci-hub.c ++++ b/drivers/usb/host/xhci-hub.c +@@ -1400,6 +1400,10 @@ int xhci_bus_suspend(struct usb_hcd *hcd) + hcd->state = HC_STATE_SUSPENDED; + bus_state->next_statechange = jiffies + msecs_to_jiffies(10); + spin_unlock_irqrestore(&xhci->lock, flags); ++ ++ if (bus_state->bus_suspended) ++ usleep_range(5000, 10000); ++ + return 0; + } + +diff --git a/drivers/usb/misc/sisusbvga/Kconfig b/drivers/usb/misc/sisusbvga/Kconfig +index 36bc28c884ad7..47dabccafef43 100644 +--- a/drivers/usb/misc/sisusbvga/Kconfig ++++ b/drivers/usb/misc/sisusbvga/Kconfig +@@ -15,7 +15,7 @@ config USB_SISUSBVGA + + config USB_SISUSBVGA_CON + bool "Text console and mode switching support" if USB_SISUSBVGA +- depends on VT ++ depends on VT && BROKEN + select FONT_8x16 + ---help--- + Say Y here if you want a VGA text console via the USB dongle or +diff --git a/drivers/usb/serial/cp210x.c b/drivers/usb/serial/cp210x.c +index 205f31200264b..13c718ebaee5b 100644 +--- a/drivers/usb/serial/cp210x.c ++++ b/drivers/usb/serial/cp210x.c +@@ -252,6 +252,8 @@ static struct usb_serial_driver cp210x_device = { + .close = cp210x_close, + .break_ctl = cp210x_break_ctl, + .set_termios = cp210x_set_termios, ++ .throttle = usb_serial_generic_throttle, ++ .unthrottle = usb_serial_generic_unthrottle, + .tiocmget = cp210x_tiocmget, + .tiocmset = cp210x_tiocmset, + .attach = cp210x_startup, +diff --git a/drivers/usb/serial/keyspan_pda.c b/drivers/usb/serial/keyspan_pda.c +index 8a4047de43dce..e25ea9069350e 100644 +--- a/drivers/usb/serial/keyspan_pda.c ++++ b/drivers/usb/serial/keyspan_pda.c +@@ -44,11 +44,12 @@ + #define DRIVER_AUTHOR "Brian Warner <warner@lothar.com>" + #define DRIVER_DESC "USB Keyspan PDA Converter driver" + ++#define KEYSPAN_TX_THRESHOLD 16 ++ + struct keyspan_pda_private { + int tx_room; + int tx_throttled; +- struct work_struct wakeup_work; +- struct work_struct unthrottle_work; ++ struct work_struct unthrottle_work; + struct usb_serial *serial; + struct usb_serial_port *port; + }; +@@ -101,15 +102,6 @@ static const struct usb_device_id id_table_fake_xircom[] = { + }; + #endif + +-static void keyspan_pda_wakeup_write(struct work_struct *work) +-{ +- struct keyspan_pda_private *priv = +- container_of(work, struct keyspan_pda_private, wakeup_work); +- struct usb_serial_port *port = priv->port; +- +- tty_port_tty_wakeup(&port->port); +-} +- + static void keyspan_pda_request_unthrottle(struct work_struct *work) + { + struct keyspan_pda_private *priv = +@@ -124,7 +116,7 @@ static void keyspan_pda_request_unthrottle(struct work_struct *work) + 7, /* request_unthrottle */ + USB_TYPE_VENDOR | USB_RECIP_INTERFACE + | USB_DIR_OUT, +- 16, /* value: threshold */ ++ KEYSPAN_TX_THRESHOLD, + 0, /* index */ + NULL, + 0, +@@ -143,6 +135,8 @@ static void keyspan_pda_rx_interrupt(struct urb *urb) + int retval; + int status = urb->status; + struct keyspan_pda_private *priv; ++ unsigned long flags; ++ + priv = usb_get_serial_port_data(port); + + switch (status) { +@@ -176,18 +170,21 @@ static void keyspan_pda_rx_interrupt(struct urb *urb) + break; + case 1: + /* status interrupt */ +- if (len < 3) { ++ if (len < 2) { + dev_warn(&port->dev, "short interrupt message received\n"); + break; + } +- dev_dbg(&port->dev, "rx int, d1=%d, d2=%d\n", data[1], data[2]); ++ dev_dbg(&port->dev, "rx int, d1=%d\n", data[1]); + switch (data[1]) { + case 1: /* modemline change */ + break; + case 2: /* tx unthrottle interrupt */ ++ spin_lock_irqsave(&port->lock, flags); + priv->tx_throttled = 0; ++ priv->tx_room = max(priv->tx_room, KEYSPAN_TX_THRESHOLD); ++ spin_unlock_irqrestore(&port->lock, flags); + /* queue up a wakeup at scheduler time */ +- schedule_work(&priv->wakeup_work); ++ usb_serial_port_softint(port); + break; + default: + break; +@@ -447,6 +444,7 @@ static int keyspan_pda_write(struct tty_struct *tty, + int request_unthrottle = 0; + int rc = 0; + struct keyspan_pda_private *priv; ++ unsigned long flags; + + priv = usb_get_serial_port_data(port); + /* guess how much room is left in the device's ring buffer, and if we +@@ -466,13 +464,13 @@ static int keyspan_pda_write(struct tty_struct *tty, + the TX urb is in-flight (wait until it completes) + the device is full (wait until it says there is room) + */ +- spin_lock_bh(&port->lock); ++ spin_lock_irqsave(&port->lock, flags); + if (!test_bit(0, &port->write_urbs_free) || priv->tx_throttled) { +- spin_unlock_bh(&port->lock); ++ spin_unlock_irqrestore(&port->lock, flags); + return 0; + } + clear_bit(0, &port->write_urbs_free); +- spin_unlock_bh(&port->lock); ++ spin_unlock_irqrestore(&port->lock, flags); + + /* At this point the URB is in our control, nobody else can submit it + again (the only sudden transition was the one from EINPROGRESS to +@@ -518,7 +516,8 @@ static int keyspan_pda_write(struct tty_struct *tty, + goto exit; + } + } +- if (count > priv->tx_room) { ++ ++ if (count >= priv->tx_room) { + /* we're about to completely fill the Tx buffer, so + we'll be throttled afterwards. */ + count = priv->tx_room; +@@ -551,7 +550,7 @@ static int keyspan_pda_write(struct tty_struct *tty, + + rc = count; + exit: +- if (rc < 0) ++ if (rc <= 0) + set_bit(0, &port->write_urbs_free); + return rc; + } +@@ -566,21 +565,24 @@ static void keyspan_pda_write_bulk_callback(struct urb *urb) + priv = usb_get_serial_port_data(port); + + /* queue up a wakeup at scheduler time */ +- schedule_work(&priv->wakeup_work); ++ usb_serial_port_softint(port); + } + + + static int keyspan_pda_write_room(struct tty_struct *tty) + { + struct usb_serial_port *port = tty->driver_data; +- struct keyspan_pda_private *priv; +- priv = usb_get_serial_port_data(port); +- /* used by n_tty.c for processing of tabs and such. Giving it our +- conservative guess is probably good enough, but needs testing by +- running a console through the device. */ +- return priv->tx_room; +-} ++ struct keyspan_pda_private *priv = usb_get_serial_port_data(port); ++ unsigned long flags; ++ int room = 0; + ++ spin_lock_irqsave(&port->lock, flags); ++ if (test_bit(0, &port->write_urbs_free) && !priv->tx_throttled) ++ room = priv->tx_room; ++ spin_unlock_irqrestore(&port->lock, flags); ++ ++ return room; ++} + + static int keyspan_pda_chars_in_buffer(struct tty_struct *tty) + { +@@ -660,8 +662,12 @@ error: + } + static void keyspan_pda_close(struct usb_serial_port *port) + { ++ struct keyspan_pda_private *priv = usb_get_serial_port_data(port); ++ + usb_kill_urb(port->write_urb); + usb_kill_urb(port->interrupt_in_urb); ++ ++ cancel_work_sync(&priv->unthrottle_work); + } + + +@@ -732,7 +738,6 @@ static int keyspan_pda_port_probe(struct usb_serial_port *port) + if (!priv) + return -ENOMEM; + +- INIT_WORK(&priv->wakeup_work, keyspan_pda_wakeup_write); + INIT_WORK(&priv->unthrottle_work, keyspan_pda_request_unthrottle); + priv->serial = port->serial; + priv->port = port; +diff --git a/drivers/usb/serial/mos7720.c b/drivers/usb/serial/mos7720.c +index 1927f41ccafc4..1d8a6c17c9eb0 100644 +--- a/drivers/usb/serial/mos7720.c ++++ b/drivers/usb/serial/mos7720.c +@@ -640,6 +640,8 @@ static void parport_mos7715_restore_state(struct parport *pp, + spin_unlock(&release_lock); + return; + } ++ mos_parport->shadowDCR = s->u.pc.ctr; ++ mos_parport->shadowECR = s->u.pc.ecr; + write_parport_reg_nonblock(mos_parport, MOS7720_DCR, + mos_parport->shadowDCR); + write_parport_reg_nonblock(mos_parport, MOS7720_ECR, +diff --git a/drivers/usb/serial/option.c b/drivers/usb/serial/option.c +index e8643612e9a39..6045a8e24068c 100644 +--- a/drivers/usb/serial/option.c ++++ b/drivers/usb/serial/option.c +@@ -563,6 +563,9 @@ static void option_instat_callback(struct urb *urb); + + /* Device flags */ + ++/* Highest interface number which can be used with NCTRL() and RSVD() */ ++#define FLAG_IFNUM_MAX 7 ++ + /* Interface does not support modem-control requests */ + #define NCTRL(ifnum) ((BIT(ifnum) & 0xff) << 8) + +@@ -2086,6 +2089,14 @@ static struct usb_serial_driver * const serial_drivers[] = { + + module_usb_serial_driver(serial_drivers, option_ids); + ++static bool iface_is_reserved(unsigned long device_flags, u8 ifnum) ++{ ++ if (ifnum > FLAG_IFNUM_MAX) ++ return false; ++ ++ return device_flags & RSVD(ifnum); ++} ++ + static int option_probe(struct usb_serial *serial, + const struct usb_device_id *id) + { +@@ -2103,7 +2114,7 @@ static int option_probe(struct usb_serial *serial, + * the same class/subclass/protocol as the serial interfaces. Look at + * the Windows driver .INF files for reserved interface numbers. + */ +- if (device_flags & RSVD(iface_desc->bInterfaceNumber)) ++ if (iface_is_reserved(device_flags, iface_desc->bInterfaceNumber)) + return -ENODEV; + /* + * Don't bind network interface on Samsung GT-B3730, it is handled by +@@ -2120,6 +2131,14 @@ static int option_probe(struct usb_serial *serial, + return 0; + } + ++static bool iface_no_modem_control(unsigned long device_flags, u8 ifnum) ++{ ++ if (ifnum > FLAG_IFNUM_MAX) ++ return false; ++ ++ return device_flags & NCTRL(ifnum); ++} ++ + static int option_attach(struct usb_serial *serial) + { + struct usb_interface_descriptor *iface_desc; +@@ -2135,7 +2154,7 @@ static int option_attach(struct usb_serial *serial) + + iface_desc = &serial->interface->cur_altsetting->desc; + +- if (!(device_flags & NCTRL(iface_desc->bInterfaceNumber))) ++ if (!iface_no_modem_control(device_flags, iface_desc->bInterfaceNumber)) + data->use_send_setup = 1; + + if (device_flags & ZLP) +diff --git a/drivers/xen/xen-pciback/xenbus.c b/drivers/xen/xen-pciback/xenbus.c +index 48196347f2f94..12497a2140c25 100644 +--- a/drivers/xen/xen-pciback/xenbus.c ++++ b/drivers/xen/xen-pciback/xenbus.c +@@ -691,7 +691,7 @@ static int xen_pcibk_xenbus_probe(struct xenbus_device *dev, + + /* watch the backend node for backend configuration information */ + err = xenbus_watch_path(dev, dev->nodename, &pdev->be_watch, +- xen_pcibk_be_watch); ++ NULL, xen_pcibk_be_watch); + if (err) + goto out; + +diff --git a/drivers/xen/xenbus/xenbus_client.c b/drivers/xen/xenbus/xenbus_client.c +index 266f446ba331c..8bbd887ca422b 100644 +--- a/drivers/xen/xenbus/xenbus_client.c ++++ b/drivers/xen/xenbus/xenbus_client.c +@@ -114,18 +114,22 @@ EXPORT_SYMBOL_GPL(xenbus_strstate); + */ + int xenbus_watch_path(struct xenbus_device *dev, const char *path, + struct xenbus_watch *watch, ++ bool (*will_handle)(struct xenbus_watch *, ++ const char **, unsigned int), + void (*callback)(struct xenbus_watch *, + const char **, unsigned int)) + { + int err; + + watch->node = path; ++ watch->will_handle = will_handle; + watch->callback = callback; + + err = register_xenbus_watch(watch); + + if (err) { + watch->node = NULL; ++ watch->will_handle = NULL; + watch->callback = NULL; + xenbus_dev_fatal(dev, err, "adding watch on %s", path); + } +@@ -152,6 +156,8 @@ EXPORT_SYMBOL_GPL(xenbus_watch_path); + */ + int xenbus_watch_pathfmt(struct xenbus_device *dev, + struct xenbus_watch *watch, ++ bool (*will_handle)(struct xenbus_watch *, ++ const char **, unsigned int), + void (*callback)(struct xenbus_watch *, + const char **, unsigned int), + const char *pathfmt, ...) +@@ -168,7 +174,7 @@ int xenbus_watch_pathfmt(struct xenbus_device *dev, + xenbus_dev_fatal(dev, -ENOMEM, "allocating path for watch"); + return -ENOMEM; + } +- err = xenbus_watch_path(dev, path, watch, callback); ++ err = xenbus_watch_path(dev, path, watch, will_handle, callback); + + if (err) + kfree(path); +diff --git a/drivers/xen/xenbus/xenbus_probe.c b/drivers/xen/xenbus/xenbus_probe.c +index c2d447687e33f..ba7590d75985e 100644 +--- a/drivers/xen/xenbus/xenbus_probe.c ++++ b/drivers/xen/xenbus/xenbus_probe.c +@@ -137,6 +137,7 @@ static int watch_otherend(struct xenbus_device *dev) + container_of(dev->dev.bus, struct xen_bus_type, bus); + + return xenbus_watch_pathfmt(dev, &dev->otherend_watch, ++ bus->otherend_will_handle, + bus->otherend_changed, + "%s/%s", dev->otherend, "state"); + } +diff --git a/drivers/xen/xenbus/xenbus_probe.h b/drivers/xen/xenbus/xenbus_probe.h +index c9ec7ca1f7ab6..2c394c6ba605c 100644 +--- a/drivers/xen/xenbus/xenbus_probe.h ++++ b/drivers/xen/xenbus/xenbus_probe.h +@@ -42,6 +42,8 @@ struct xen_bus_type { + int (*get_bus_id)(char bus_id[XEN_BUS_ID_SIZE], const char *nodename); + int (*probe)(struct xen_bus_type *bus, const char *type, + const char *dir); ++ bool (*otherend_will_handle)(struct xenbus_watch *watch, ++ const char **vec, unsigned int len); + void (*otherend_changed)(struct xenbus_watch *watch, const char **vec, + unsigned int len); + struct bus_type bus; +diff --git a/drivers/xen/xenbus/xenbus_probe_backend.c b/drivers/xen/xenbus/xenbus_probe_backend.c +index 04f7f85a5edf8..597c0b0384542 100644 +--- a/drivers/xen/xenbus/xenbus_probe_backend.c ++++ b/drivers/xen/xenbus/xenbus_probe_backend.c +@@ -181,6 +181,12 @@ static int xenbus_probe_backend(struct xen_bus_type *bus, const char *type, + return err; + } + ++static bool frontend_will_handle(struct xenbus_watch *watch, ++ const char **vec, unsigned int len) ++{ ++ return watch->nr_pending == 0; ++} ++ + static void frontend_changed(struct xenbus_watch *watch, + const char **vec, unsigned int len) + { +@@ -192,6 +198,7 @@ static struct xen_bus_type xenbus_backend = { + .levels = 3, /* backend/type/<frontend>/<id> */ + .get_bus_id = backend_bus_id, + .probe = xenbus_probe_backend, ++ .otherend_will_handle = frontend_will_handle, + .otherend_changed = frontend_changed, + .bus = { + .name = "xen-backend", +diff --git a/drivers/xen/xenbus/xenbus_xs.c b/drivers/xen/xenbus/xenbus_xs.c +index ce65591b4168f..d98d88fae58ab 100644 +--- a/drivers/xen/xenbus/xenbus_xs.c ++++ b/drivers/xen/xenbus/xenbus_xs.c +@@ -701,6 +701,8 @@ int register_xenbus_watch(struct xenbus_watch *watch) + + sprintf(token, "%lX", (long)watch); + ++ watch->nr_pending = 0; ++ + down_read(&xs_state.watch_mutex); + + spin_lock(&watches_lock); +@@ -750,12 +752,15 @@ void unregister_xenbus_watch(struct xenbus_watch *watch) + + /* Cancel pending watch events. */ + spin_lock(&watch_events_lock); +- list_for_each_entry_safe(msg, tmp, &watch_events, list) { +- if (msg->u.watch.handle != watch) +- continue; +- list_del(&msg->list); +- kfree(msg->u.watch.vec); +- kfree(msg); ++ if (watch->nr_pending) { ++ list_for_each_entry_safe(msg, tmp, &watch_events, list) { ++ if (msg->u.watch.handle != watch) ++ continue; ++ list_del(&msg->list); ++ kfree(msg->u.watch.vec); ++ kfree(msg); ++ } ++ watch->nr_pending = 0; + } + spin_unlock(&watch_events_lock); + +@@ -802,7 +807,6 @@ void xs_suspend_cancel(void) + + static int xenwatch_thread(void *unused) + { +- struct list_head *ent; + struct xs_stored_msg *msg; + + for (;;) { +@@ -815,13 +819,15 @@ static int xenwatch_thread(void *unused) + mutex_lock(&xenwatch_mutex); + + spin_lock(&watch_events_lock); +- ent = watch_events.next; +- if (ent != &watch_events) +- list_del(ent); ++ msg = list_first_entry_or_null(&watch_events, ++ struct xs_stored_msg, list); ++ if (msg) { ++ list_del(&msg->list); ++ msg->u.watch.handle->nr_pending--; ++ } + spin_unlock(&watch_events_lock); + +- if (ent != &watch_events) { +- msg = list_entry(ent, struct xs_stored_msg, list); ++ if (msg) { + msg->u.watch.handle->callback( + msg->u.watch.handle, + (const char **)msg->u.watch.vec, +@@ -903,9 +909,15 @@ static int process_msg(void) + spin_lock(&watches_lock); + msg->u.watch.handle = find_watch( + msg->u.watch.vec[XS_WATCH_TOKEN]); +- if (msg->u.watch.handle != NULL) { ++ if (msg->u.watch.handle != NULL && ++ (!msg->u.watch.handle->will_handle || ++ msg->u.watch.handle->will_handle( ++ msg->u.watch.handle, ++ (const char **)msg->u.watch.vec, ++ msg->u.watch.vec_size))) { + spin_lock(&watch_events_lock); + list_add_tail(&msg->list, &watch_events); ++ msg->u.watch.handle->nr_pending++; + wake_up(&watch_events_waitq); + spin_unlock(&watch_events_lock); + } else { +diff --git a/fs/btrfs/inode.c b/fs/btrfs/inode.c +index 9e1f9910bdf2d..6d846ff696fb3 100644 +--- a/fs/btrfs/inode.c ++++ b/fs/btrfs/inode.c +@@ -6923,7 +6923,7 @@ again: + found_type == BTRFS_FILE_EXTENT_PREALLOC) { + /* Only regular file could have regular/prealloc extent */ + if (!S_ISREG(inode->i_mode)) { +- ret = -EUCLEAN; ++ err = -EUCLEAN; + btrfs_crit(root->fs_info, + "regular/prealloc extent found for non-regular inode %llu", + btrfs_ino(inode)); +diff --git a/fs/btrfs/qgroup.c b/fs/btrfs/qgroup.c +index 18e667fbd054d..bc4cc417e7abb 100644 +--- a/fs/btrfs/qgroup.c ++++ b/fs/btrfs/qgroup.c +@@ -2288,8 +2288,10 @@ out: + } + btrfs_put_tree_mod_seq(fs_info, &tree_mod_seq_elem); + +- if (done && !ret) ++ if (done && !ret) { + ret = 1; ++ fs_info->qgroup_rescan_progress.objectid = (u64)-1; ++ } + return ret; + } + +diff --git a/fs/btrfs/scrub.c b/fs/btrfs/scrub.c +index cc9ccc42f4698..0b41a88ef9e9a 100644 +--- a/fs/btrfs/scrub.c ++++ b/fs/btrfs/scrub.c +@@ -918,11 +918,6 @@ static int scrub_handle_errored_block(struct scrub_block *sblock_to_check) + have_csum = sblock_to_check->pagev[0]->have_csum; + dev = sblock_to_check->pagev[0]->dev; + +- if (sctx->is_dev_replace && !is_metadata && !have_csum) { +- sblocks_for_recheck = NULL; +- goto nodatasum_case; +- } +- + /* + * read all mirrors one after the other. This includes to + * re-read the extent or metadata block that failed (that was +@@ -1035,13 +1030,19 @@ static int scrub_handle_errored_block(struct scrub_block *sblock_to_check) + goto out; + } + +- if (!is_metadata && !have_csum) { ++ /* ++ * NOTE: Even for nodatasum case, it's still possible that it's a ++ * compressed data extent, thus scrub_fixup_nodatasum(), which write ++ * inode page cache onto disk, could cause serious data corruption. ++ * ++ * So here we could only read from disk, and hope our recovery could ++ * reach disk before the newer write. ++ */ ++ if (0 && !is_metadata && !have_csum) { + struct scrub_fixup_nodatasum *fixup_nodatasum; + + WARN_ON(sctx->is_dev_replace); + +-nodatasum_case: +- + /* + * !is_metadata and !have_csum, this means that the data + * might not be COW'ed, that it might be modified +diff --git a/fs/btrfs/tests/btrfs-tests.c b/fs/btrfs/tests/btrfs-tests.c +index 69255148f0c84..2825cbe3ea8df 100644 +--- a/fs/btrfs/tests/btrfs-tests.c ++++ b/fs/btrfs/tests/btrfs-tests.c +@@ -48,7 +48,13 @@ static struct file_system_type test_type = { + + struct inode *btrfs_new_test_inode(void) + { +- return new_inode(test_mnt->mnt_sb); ++ struct inode *inode; ++ ++ inode = new_inode(test_mnt->mnt_sb); ++ if (inode) ++ inode_init_owner(inode, NULL, S_IFREG); ++ ++ return inode; + } + + int btrfs_init_test_fs(void) +diff --git a/fs/ceph/caps.c b/fs/ceph/caps.c +index 49e693232916f..9d74cd37b3958 100644 +--- a/fs/ceph/caps.c ++++ b/fs/ceph/caps.c +@@ -920,12 +920,19 @@ void __ceph_remove_cap(struct ceph_cap *cap, bool queue_release) + { + struct ceph_mds_session *session = cap->session; + struct ceph_inode_info *ci = cap->ci; +- struct ceph_mds_client *mdsc = +- ceph_sb_to_client(ci->vfs_inode.i_sb)->mdsc; ++ struct ceph_mds_client *mdsc; + int removed = 0; + ++ /* 'ci' being NULL means the remove have already occurred */ ++ if (!ci) { ++ dout("%s: cap inode is NULL\n", __func__); ++ return; ++ } ++ + dout("__ceph_remove_cap %p from %p\n", cap, &ci->vfs_inode); + ++ mdsc = ceph_inode_to_client(&ci->vfs_inode)->mdsc; ++ + /* remove from inode's cap rbtree, and clear auth cap */ + rb_erase(&cap->ci_node, &ci->i_caps); + if (ci->i_auth_cap == cap) +diff --git a/fs/ext4/mballoc.c b/fs/ext4/mballoc.c +index 04fab14e630c1..812e0ba25a08b 100644 +--- a/fs/ext4/mballoc.c ++++ b/fs/ext4/mballoc.c +@@ -4646,6 +4646,7 @@ ext4_mb_free_metadata(handle_t *handle, struct ext4_buddy *e4b, + ext4_group_first_block_no(sb, group) + + EXT4_C2B(sbi, cluster), + "Block already on to-be-freed list"); ++ kmem_cache_free(ext4_free_data_cachep, new_entry); + return 0; + } + } +diff --git a/fs/jffs2/readinode.c b/fs/jffs2/readinode.c +index 5b52ea41b84fa..bee8964682f85 100644 +--- a/fs/jffs2/readinode.c ++++ b/fs/jffs2/readinode.c +@@ -672,6 +672,22 @@ static inline int read_direntry(struct jffs2_sb_info *c, struct jffs2_raw_node_r + jffs2_free_full_dirent(fd); + return -EIO; + } ++ ++#ifdef CONFIG_JFFS2_SUMMARY ++ /* ++ * we use CONFIG_JFFS2_SUMMARY because without it, we ++ * have checked it while mounting ++ */ ++ crc = crc32(0, fd->name, rd->nsize); ++ if (unlikely(crc != je32_to_cpu(rd->name_crc))) { ++ JFFS2_NOTICE("name CRC failed on dirent node at" ++ "%#08x: read %#08x,calculated %#08x\n", ++ ref_offset(ref), je32_to_cpu(rd->node_crc), crc); ++ jffs2_mark_node_obsolete(c, ref); ++ jffs2_free_full_dirent(fd); ++ return 0; ++ } ++#endif + } + + fd->nhash = full_name_hash(fd->name, rd->nsize); +diff --git a/fs/jfs/jfs_dmap.h b/fs/jfs/jfs_dmap.h +index 562b9a7e4311f..f502a15c6c987 100644 +--- a/fs/jfs/jfs_dmap.h ++++ b/fs/jfs/jfs_dmap.h +@@ -196,7 +196,7 @@ typedef union dmtree { + #define dmt_leafidx t1.leafidx + #define dmt_height t1.height + #define dmt_budmin t1.budmin +-#define dmt_stree t1.stree ++#define dmt_stree t2.stree + + /* + * on-disk aggregate disk allocation map descriptor. +diff --git a/fs/lockd/host.c b/fs/lockd/host.c +index c7eb47f2fb6c3..603fa652b965d 100644 +--- a/fs/lockd/host.c ++++ b/fs/lockd/host.c +@@ -430,12 +430,7 @@ nlm_bind_host(struct nlm_host *host) + * RPC rebind is required + */ + if ((clnt = host->h_rpcclnt) != NULL) { +- if (time_after_eq(jiffies, host->h_nextrebind)) { +- rpc_force_rebind(clnt); +- host->h_nextrebind = jiffies + NLM_HOST_REBIND; +- dprintk("lockd: next rebind in %lu jiffies\n", +- host->h_nextrebind - jiffies); +- } ++ nlm_rebind_host(host); + } else { + unsigned long increment = nlmsvc_timeout; + struct rpc_timeout timeparms = { +@@ -483,13 +478,20 @@ nlm_bind_host(struct nlm_host *host) + return clnt; + } + +-/* +- * Force a portmap lookup of the remote lockd port ++/** ++ * nlm_rebind_host - If needed, force a portmap lookup of the peer's lockd port ++ * @host: NLM host handle for peer ++ * ++ * This is not needed when using a connection-oriented protocol, such as TCP. ++ * The existing autobind mechanism is sufficient to force a rebind when ++ * required, e.g. on connection state transitions. + */ + void + nlm_rebind_host(struct nlm_host *host) + { +- dprintk("lockd: rebind host %s\n", host->h_name); ++ if (host->h_proto != IPPROTO_UDP) ++ return; ++ + if (host->h_rpcclnt && time_after_eq(jiffies, host->h_nextrebind)) { + rpc_force_rebind(host->h_rpcclnt); + host->h_nextrebind = jiffies + NLM_HOST_REBIND; +diff --git a/fs/nfs/inode.c b/fs/nfs/inode.c +index d25b55ceb9d58..b152366411917 100644 +--- a/fs/nfs/inode.c ++++ b/fs/nfs/inode.c +@@ -1964,7 +1964,7 @@ static int nfsiod_start(void) + { + struct workqueue_struct *wq; + dprintk("RPC: creating workqueue nfsiod\n"); +- wq = alloc_workqueue("nfsiod", WQ_MEM_RECLAIM, 0); ++ wq = alloc_workqueue("nfsiod", WQ_MEM_RECLAIM | WQ_UNBOUND, 0); + if (wq == NULL) + return -ENOMEM; + nfsiod_workqueue = wq; +diff --git a/fs/nfs/nfs4proc.c b/fs/nfs/nfs4proc.c +index 64d15c2662db6..3c15291ba1aaa 100644 +--- a/fs/nfs/nfs4proc.c ++++ b/fs/nfs/nfs4proc.c +@@ -4047,12 +4047,12 @@ static int _nfs4_proc_readdir(struct dentry *dentry, struct rpc_cred *cred, + u64 cookie, struct page **pages, unsigned int count, int plus) + { + struct inode *dir = d_inode(dentry); ++ struct nfs_server *server = NFS_SERVER(dir); + struct nfs4_readdir_arg args = { + .fh = NFS_FH(dir), + .pages = pages, + .pgbase = 0, + .count = count, +- .bitmask = NFS_SERVER(d_inode(dentry))->attr_bitmask, + .plus = plus, + }; + struct nfs4_readdir_res res; +@@ -4067,9 +4067,15 @@ static int _nfs4_proc_readdir(struct dentry *dentry, struct rpc_cred *cred, + dprintk("%s: dentry = %pd2, cookie = %Lu\n", __func__, + dentry, + (unsigned long long)cookie); ++ if (!(server->caps & NFS_CAP_SECURITY_LABEL)) ++ args.bitmask = server->attr_bitmask_nl; ++ else ++ args.bitmask = server->attr_bitmask; ++ + nfs4_setup_readdir(cookie, NFS_I(dir)->cookieverf, dentry, &args); + res.pgbase = args.pgbase; +- status = nfs4_call_sync(NFS_SERVER(dir)->client, NFS_SERVER(dir), &msg, &args.seq_args, &res.seq_res, 0); ++ status = nfs4_call_sync(server->client, server, &msg, &args.seq_args, ++ &res.seq_res, 0); + if (status >= 0) { + memcpy(NFS_I(dir)->cookieverf, res.verifier.data, NFS4_VERIFIER_SIZE); + status += args.pgbase; +diff --git a/fs/nfs_common/grace.c b/fs/nfs_common/grace.c +index 77d136ac89099..c21fca0dcba74 100644 +--- a/fs/nfs_common/grace.c ++++ b/fs/nfs_common/grace.c +@@ -75,10 +75,14 @@ __state_in_grace(struct net *net, bool open) + if (!open) + return !list_empty(grace_list); + ++ spin_lock(&grace_lock); + list_for_each_entry(lm, grace_list, list) { +- if (lm->block_opens) ++ if (lm->block_opens) { ++ spin_unlock(&grace_lock); + return true; ++ } + } ++ spin_unlock(&grace_lock); + return false; + } + +diff --git a/include/linux/seq_buf.h b/include/linux/seq_buf.h +index fb7eb9ccb1cd4..d4c3c9bab5826 100644 +--- a/include/linux/seq_buf.h ++++ b/include/linux/seq_buf.h +@@ -29,7 +29,7 @@ static inline void seq_buf_clear(struct seq_buf *s) + } + + static inline void +-seq_buf_init(struct seq_buf *s, unsigned char *buf, unsigned int size) ++seq_buf_init(struct seq_buf *s, char *buf, unsigned int size) + { + s->buffer = buf; + s->size = size; +diff --git a/include/linux/trace_seq.h b/include/linux/trace_seq.h +index cfaf5a1d4bad7..f5be2716b01c6 100644 +--- a/include/linux/trace_seq.h ++++ b/include/linux/trace_seq.h +@@ -11,7 +11,7 @@ + */ + + struct trace_seq { +- unsigned char buffer[PAGE_SIZE]; ++ char buffer[PAGE_SIZE]; + struct seq_buf seq; + int full; + }; +@@ -50,7 +50,7 @@ static inline int trace_seq_used(struct trace_seq *s) + * that is about to be written to and then return the result + * of that write. + */ +-static inline unsigned char * ++static inline char * + trace_seq_buffer_ptr(struct trace_seq *s) + { + return s->buffer + seq_buf_used(&s->seq); +diff --git a/include/xen/xenbus.h b/include/xen/xenbus.h +index 32b944b7cebd1..ed9e7e3307b75 100644 +--- a/include/xen/xenbus.h ++++ b/include/xen/xenbus.h +@@ -58,6 +58,15 @@ struct xenbus_watch + /* Path being watched. */ + const char *node; + ++ unsigned int nr_pending; ++ ++ /* ++ * Called just before enqueing new event while a spinlock is held. ++ * The event will be discarded if this callback returns false. ++ */ ++ bool (*will_handle)(struct xenbus_watch *, ++ const char **vec, unsigned int len); ++ + /* Callback (executed in a process context with no locks held). */ + void (*callback)(struct xenbus_watch *, + const char **vec, unsigned int len); +@@ -194,10 +203,14 @@ void xenbus_suspend_cancel(void); + + int xenbus_watch_path(struct xenbus_device *dev, const char *path, + struct xenbus_watch *watch, ++ bool (*will_handle)(struct xenbus_watch *, ++ const char **, unsigned int), + void (*callback)(struct xenbus_watch *, + const char **, unsigned int)); +-__printf(4, 5) ++__printf(5, 6) + int xenbus_watch_pathfmt(struct xenbus_device *dev, struct xenbus_watch *watch, ++ bool (*will_handle)(struct xenbus_watch *, ++ const char **, unsigned int), + void (*callback)(struct xenbus_watch *, + const char **, unsigned int), + const char *pathfmt, ...); +diff --git a/net/bluetooth/hci_event.c b/net/bluetooth/hci_event.c +index 7cee89fddcd50..586c005bdc1ee 100644 +--- a/net/bluetooth/hci_event.c ++++ b/net/bluetooth/hci_event.c +@@ -4336,6 +4336,11 @@ static void hci_phy_link_complete_evt(struct hci_dev *hdev, + return; + } + ++ if (!hcon->amp_mgr) { ++ hci_dev_unlock(hdev); ++ return; ++ } ++ + if (ev->status) { + hci_conn_del(hcon); + hci_dev_unlock(hdev); +@@ -5114,20 +5119,18 @@ static void hci_le_direct_adv_report_evt(struct hci_dev *hdev, + struct sk_buff *skb) + { + u8 num_reports = skb->data[0]; +- void *ptr = &skb->data[1]; ++ struct hci_ev_le_direct_adv_info *ev = (void *)&skb->data[1]; + +- hci_dev_lock(hdev); ++ if (!num_reports || skb->len < num_reports * sizeof(*ev) + 1) ++ return; + +- while (num_reports--) { +- struct hci_ev_le_direct_adv_info *ev = ptr; ++ hci_dev_lock(hdev); + ++ for (; num_reports; num_reports--, ev++) + process_adv_report(hdev, ev->evt_type, &ev->bdaddr, + ev->bdaddr_type, &ev->direct_addr, + ev->direct_addr_type, ev->rssi, NULL, 0); + +- ptr += sizeof(*ev); +- } +- + hci_dev_unlock(hdev); + } + +diff --git a/net/bridge/br_vlan.c b/net/bridge/br_vlan.c +index a7953962112aa..1b848a45047bc 100644 +--- a/net/bridge/br_vlan.c ++++ b/net/bridge/br_vlan.c +@@ -225,8 +225,10 @@ static int __vlan_add(struct net_bridge_vlan *v, u16 flags) + } + + masterv = br_vlan_get_master(br, v->vid); +- if (!masterv) ++ if (!masterv) { ++ err = -ENOMEM; + goto out_filt; ++ } + v->brvlan = masterv; + } + +diff --git a/net/ipv4/tcp_output.c b/net/ipv4/tcp_output.c +index b218138874cc4..db037082e6f25 100644 +--- a/net/ipv4/tcp_output.c ++++ b/net/ipv4/tcp_output.c +@@ -1501,7 +1501,8 @@ static void tcp_cwnd_validate(struct sock *sk, bool is_cwnd_limited) + * window, and remember whether we were cwnd-limited then. + */ + if (!before(tp->snd_una, tp->max_packets_seq) || +- tp->packets_out > tp->max_packets_out) { ++ tp->packets_out > tp->max_packets_out || ++ is_cwnd_limited) { + tp->max_packets_out = tp->packets_out; + tp->max_packets_seq = tp->snd_nxt; + tp->is_cwnd_limited = is_cwnd_limited; +@@ -2172,6 +2173,10 @@ repair: + break; + } + ++ is_cwnd_limited |= (tcp_packets_in_flight(tp) >= tp->snd_cwnd); ++ if (likely(sent_pkts || is_cwnd_limited)) ++ tcp_cwnd_validate(sk, is_cwnd_limited); ++ + if (likely(sent_pkts)) { + if (tcp_in_cwnd_reduction(sk)) + tp->prr_out += sent_pkts; +@@ -2179,8 +2184,6 @@ repair: + /* Send one loss probe per tail loss episode. */ + if (push_one != 2) + tcp_schedule_loss_probe(sk); +- is_cwnd_limited |= (tcp_packets_in_flight(tp) >= tp->snd_cwnd); +- tcp_cwnd_validate(sk, is_cwnd_limited); + return false; + } + return !tp->packets_out && tcp_send_head(sk); +diff --git a/net/wireless/nl80211.c b/net/wireless/nl80211.c +index 7748d674677c9..eb25998a0032e 100644 +--- a/net/wireless/nl80211.c ++++ b/net/wireless/nl80211.c +@@ -9836,7 +9836,7 @@ static int nl80211_set_rekey_data(struct sk_buff *skb, struct genl_info *info) + struct net_device *dev = info->user_ptr[1]; + struct wireless_dev *wdev = dev->ieee80211_ptr; + struct nlattr *tb[NUM_NL80211_REKEY_DATA]; +- struct cfg80211_gtk_rekey_data rekey_data; ++ struct cfg80211_gtk_rekey_data rekey_data = {}; + int err; + + if (!info->attrs[NL80211_ATTR_REKEY_DATA]) +diff --git a/scripts/checkpatch.pl b/scripts/checkpatch.pl +index 8835a4775d205..67a6a8a9b6722 100755 +--- a/scripts/checkpatch.pl ++++ b/scripts/checkpatch.pl +@@ -3580,7 +3580,7 @@ sub process { + $fix) { + fix_delete_line($fixlinenr, $rawline); + my $fixed_line = $rawline; +- $fixed_line =~ /(^..*$Type\s*$Ident\(.*\)\s*){(.*)$/; ++ $fixed_line =~ /(^..*$Type\s*$Ident\(.*\)\s*)\{(.*)$/; + my $line1 = $1; + my $line2 = $2; + fix_insert_line($fixlinenr, ltrim($line1)); +diff --git a/sound/core/oss/pcm_oss.c b/sound/core/oss/pcm_oss.c +index 443bb8ce82559..1d1faf1925173 100644 +--- a/sound/core/oss/pcm_oss.c ++++ b/sound/core/oss/pcm_oss.c +@@ -718,6 +718,8 @@ static int snd_pcm_oss_period_size(struct snd_pcm_substream *substream, + + oss_buffer_size = snd_pcm_plug_client_size(substream, + snd_pcm_hw_param_value_max(slave_params, SNDRV_PCM_HW_PARAM_BUFFER_SIZE, NULL)) * oss_frame_size; ++ if (!oss_buffer_size) ++ return -EINVAL; + oss_buffer_size = rounddown_pow_of_two(oss_buffer_size); + if (atomic_read(&substream->mmap_count)) { + if (oss_buffer_size > runtime->oss.mmap_bytes) +@@ -753,17 +755,21 @@ static int snd_pcm_oss_period_size(struct snd_pcm_substream *substream, + + min_period_size = snd_pcm_plug_client_size(substream, + snd_pcm_hw_param_value_min(slave_params, SNDRV_PCM_HW_PARAM_PERIOD_SIZE, NULL)); +- min_period_size *= oss_frame_size; +- min_period_size = roundup_pow_of_two(min_period_size); +- if (oss_period_size < min_period_size) +- oss_period_size = min_period_size; ++ if (min_period_size) { ++ min_period_size *= oss_frame_size; ++ min_period_size = roundup_pow_of_two(min_period_size); ++ if (oss_period_size < min_period_size) ++ oss_period_size = min_period_size; ++ } + + max_period_size = snd_pcm_plug_client_size(substream, + snd_pcm_hw_param_value_max(slave_params, SNDRV_PCM_HW_PARAM_PERIOD_SIZE, NULL)); +- max_period_size *= oss_frame_size; +- max_period_size = rounddown_pow_of_two(max_period_size); +- if (oss_period_size > max_period_size) +- oss_period_size = max_period_size; ++ if (max_period_size) { ++ max_period_size *= oss_frame_size; ++ max_period_size = rounddown_pow_of_two(max_period_size); ++ if (oss_period_size > max_period_size) ++ oss_period_size = max_period_size; ++ } + + oss_periods = oss_buffer_size / oss_period_size; + +@@ -2000,11 +2006,15 @@ static int snd_pcm_oss_set_subdivide(struct snd_pcm_oss_file *pcm_oss_file, int + static int snd_pcm_oss_set_fragment1(struct snd_pcm_substream *substream, unsigned int val) + { + struct snd_pcm_runtime *runtime; ++ int fragshift; + + runtime = substream->runtime; + if (runtime->oss.subdivision || runtime->oss.fragshift) + return -EINVAL; +- runtime->oss.fragshift = val & 0xffff; ++ fragshift = val & 0xffff; ++ if (fragshift >= 31) ++ return -EINVAL; ++ runtime->oss.fragshift = fragshift; + runtime->oss.maxfrags = (val >> 16) & 0xffff; + if (runtime->oss.fragshift < 4) /* < 16 */ + runtime->oss.fragshift = 4; +diff --git a/sound/soc/codecs/wm_adsp.c b/sound/soc/codecs/wm_adsp.c +index f1f990b325ad7..5ff0d3b10bcfd 100644 +--- a/sound/soc/codecs/wm_adsp.c ++++ b/sound/soc/codecs/wm_adsp.c +@@ -852,7 +852,7 @@ static int wm_adsp_create_control(struct wm_adsp *dsp, + ctl_work = kzalloc(sizeof(*ctl_work), GFP_KERNEL); + if (!ctl_work) { + ret = -ENOMEM; +- goto err_ctl_cache; ++ goto err_list_del; + } + + ctl_work->dsp = dsp; +@@ -862,7 +862,8 @@ static int wm_adsp_create_control(struct wm_adsp *dsp, + + return 0; + +-err_ctl_cache: ++err_list_del: ++ list_del(&ctl->list); + kfree(ctl->cache); + err_ctl_name: + kfree(ctl->name); +diff --git a/sound/soc/jz4740/jz4740-i2s.c b/sound/soc/jz4740/jz4740-i2s.c +index 0dc1ab48fcebe..6440729facaf0 100644 +--- a/sound/soc/jz4740/jz4740-i2s.c ++++ b/sound/soc/jz4740/jz4740-i2s.c +@@ -315,10 +315,14 @@ static int jz4740_i2s_set_sysclk(struct snd_soc_dai *dai, int clk_id, + switch (clk_id) { + case JZ4740_I2S_CLKSRC_EXT: + parent = clk_get(NULL, "ext"); ++ if (IS_ERR(parent)) ++ return PTR_ERR(parent); + clk_set_parent(i2s->clk_i2s, parent); + break; + case JZ4740_I2S_CLKSRC_PLL: + parent = clk_get(NULL, "pll half"); ++ if (IS_ERR(parent)) ++ return PTR_ERR(parent); + clk_set_parent(i2s->clk_i2s, parent); + ret = clk_set_rate(i2s->clk_i2s, freq); + break; +diff --git a/sound/soc/soc-pcm.c b/sound/soc/soc-pcm.c +index d4bf3dc6b0158..b773d61cd5bc7 100644 +--- a/sound/soc/soc-pcm.c ++++ b/sound/soc/soc-pcm.c +@@ -2075,6 +2075,7 @@ static int dpcm_fe_dai_do_trigger(struct snd_pcm_substream *substream, int cmd) + case SNDRV_PCM_TRIGGER_START: + case SNDRV_PCM_TRIGGER_RESUME: + case SNDRV_PCM_TRIGGER_PAUSE_RELEASE: ++ case SNDRV_PCM_TRIGGER_DRAIN: + ret = dpcm_dai_trigger_fe_be(substream, cmd, true); + break; + case SNDRV_PCM_TRIGGER_STOP: +@@ -2092,6 +2093,7 @@ static int dpcm_fe_dai_do_trigger(struct snd_pcm_substream *substream, int cmd) + case SNDRV_PCM_TRIGGER_START: + case SNDRV_PCM_TRIGGER_RESUME: + case SNDRV_PCM_TRIGGER_PAUSE_RELEASE: ++ case SNDRV_PCM_TRIGGER_DRAIN: + ret = dpcm_dai_trigger_fe_be(substream, cmd, false); + break; + case SNDRV_PCM_TRIGGER_STOP: +diff --git a/sound/usb/format.c b/sound/usb/format.c +index f28a41194d171..ca75807eeb170 100644 +--- a/sound/usb/format.c ++++ b/sound/usb/format.c +@@ -52,6 +52,8 @@ static u64 parse_audio_format_i_type(struct snd_usb_audio *chip, + case UAC_VERSION_1: + default: { + struct uac_format_type_i_discrete_descriptor *fmt = _fmt; ++ if (format >= 64) ++ return 0; /* invalid format */ + sample_width = fmt->bBitResolution; + sample_bytes = fmt->bSubframeSize; + format = 1 << format; +diff --git a/sound/usb/stream.c b/sound/usb/stream.c +index 1ffc32fd3a9eb..bc8e4702e9ed6 100644 +--- a/sound/usb/stream.c ++++ b/sound/usb/stream.c +@@ -187,16 +187,16 @@ static int usb_chmap_ctl_get(struct snd_kcontrol *kcontrol, + struct snd_pcm_chmap *info = snd_kcontrol_chip(kcontrol); + struct snd_usb_substream *subs = info->private_data; + struct snd_pcm_chmap_elem *chmap = NULL; +- int i; ++ int i = 0; + +- memset(ucontrol->value.integer.value, 0, +- sizeof(ucontrol->value.integer.value)); + if (subs->cur_audiofmt) + chmap = subs->cur_audiofmt->chmap; + if (chmap) { + for (i = 0; i < chmap->channels; i++) + ucontrol->value.integer.value[i] = chmap->map[i]; + } ++ for (; i < subs->channels_max; i++) ++ ucontrol->value.integer.value[i] = 0; + return 0; + } + +diff --git a/tools/perf/util/parse-regs-options.c b/tools/perf/util/parse-regs-options.c +index 4f2c1c255d818..a8865d1c3e818 100644 +--- a/tools/perf/util/parse-regs-options.c ++++ b/tools/perf/util/parse-regs-options.c +@@ -40,7 +40,7 @@ parse_regs(const struct option *opt, const char *str, int unset) + } + fputc('\n', stderr); + /* just printing available regs */ +- return -1; ++ goto error; + } + for (r = sample_reg_masks; r->name; r++) { + if (!strcasecmp(s, r->name)) |