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Date: Sun, 21 Oct 2012 10:23:40 -0700
From: Greg KH <gregkh@...uxfoundation.org>
To: linux-kernel@...r.kernel.org,
Andrew Morton <akpm@...ux-foundation.org>,
torvalds@...ux-foundation.org, stable@...r.kernel.org
Cc: lwn@....net, Jiri Slaby <jslaby@...e.cz>
Subject: Re: Linux 3.6.3
diff --git a/Makefile b/Makefile
index af5d6a9..6cdadf4 100644
--- a/Makefile
+++ b/Makefile
@@ -1,6 +1,6 @@
VERSION = 3
PATCHLEVEL = 6
-SUBLEVEL = 2
+SUBLEVEL = 3
EXTRAVERSION =
NAME = Terrified Chipmunk
diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig
index 2f88d8d..48c19d4 100644
--- a/arch/arm/Kconfig
+++ b/arch/arm/Kconfig
@@ -1413,6 +1413,16 @@ config PL310_ERRATA_769419
on systems with an outer cache, the store buffer is drained
explicitly.
+config ARM_ERRATA_775420
+ bool "ARM errata: A data cache maintenance operation which aborts, might lead to deadlock"
+ depends on CPU_V7
+ help
+ This option enables the workaround for the 775420 Cortex-A9 (r2p2,
+ r2p6,r2p8,r2p10,r3p0) erratum. In case a date cache maintenance
+ operation aborts with MMU exception, it might cause the processor
+ to deadlock. This workaround puts DSB before executing ISB if
+ an abort may occur on cache maintenance.
+
endmenu
source "arch/arm/common/Kconfig"
diff --git a/arch/arm/include/asm/vfpmacros.h b/arch/arm/include/asm/vfpmacros.h
index 3d5fc41..bf53047 100644
--- a/arch/arm/include/asm/vfpmacros.h
+++ b/arch/arm/include/asm/vfpmacros.h
@@ -28,7 +28,7 @@
ldr \tmp, =elf_hwcap @ may not have MVFR regs
ldr \tmp, [\tmp, #0]
tst \tmp, #HWCAP_VFPv3D16
- ldceq p11, cr0, [\base],#32*4 @ FLDMIAD \base!, {d16-d31}
+ ldceql p11, cr0, [\base],#32*4 @ FLDMIAD \base!, {d16-d31}
addne \base, \base, #32*4 @ step over unused register space
#else
VFPFMRX \tmp, MVFR0 @ Media and VFP Feature Register 0
@@ -52,7 +52,7 @@
ldr \tmp, =elf_hwcap @ may not have MVFR regs
ldr \tmp, [\tmp, #0]
tst \tmp, #HWCAP_VFPv3D16
- stceq p11, cr0, [\base],#32*4 @ FSTMIAD \base!, {d16-d31}
+ stceql p11, cr0, [\base],#32*4 @ FSTMIAD \base!, {d16-d31}
addne \base, \base, #32*4 @ step over unused register space
#else
VFPFMRX \tmp, MVFR0 @ Media and VFP Feature Register 0
diff --git a/arch/arm/mm/cache-v7.S b/arch/arm/mm/cache-v7.S
index 39e3fb3..3b17227 100644
--- a/arch/arm/mm/cache-v7.S
+++ b/arch/arm/mm/cache-v7.S
@@ -211,6 +211,9 @@ ENTRY(v7_coherent_user_range)
* isn't mapped, fail with -EFAULT.
*/
9001:
+#ifdef CONFIG_ARM_ERRATA_775420
+ dsb
+#endif
mov r0, #-EFAULT
mov pc, lr
UNWIND(.fnend )
diff --git a/arch/arm/plat-omap/counter_32k.c b/arch/arm/plat-omap/counter_32k.c
index dbf1e03..2bc51fb 100644
--- a/arch/arm/plat-omap/counter_32k.c
+++ b/arch/arm/plat-omap/counter_32k.c
@@ -55,22 +55,29 @@ static u32 notrace omap_32k_read_sched_clock(void)
* nsecs and adds to a monotonically increasing timespec.
*/
static struct timespec persistent_ts;
-static cycles_t cycles, last_cycles;
+static cycles_t cycles;
static unsigned int persistent_mult, persistent_shift;
+static DEFINE_SPINLOCK(read_persistent_clock_lock);
+
static void omap_read_persistent_clock(struct timespec *ts)
{
unsigned long long nsecs;
- cycles_t delta;
- struct timespec *tsp = &persistent_ts;
+ cycles_t last_cycles;
+ unsigned long flags;
+
+ spin_lock_irqsave(&read_persistent_clock_lock, flags);
last_cycles = cycles;
cycles = sync32k_cnt_reg ? __raw_readl(sync32k_cnt_reg) : 0;
- delta = cycles - last_cycles;
- nsecs = clocksource_cyc2ns(delta, persistent_mult, persistent_shift);
+ nsecs = clocksource_cyc2ns(cycles - last_cycles,
+ persistent_mult, persistent_shift);
+
+ timespec_add_ns(&persistent_ts, nsecs);
+
+ *ts = persistent_ts;
- timespec_add_ns(tsp, nsecs);
- *ts = *tsp;
+ spin_unlock_irqrestore(&read_persistent_clock_lock, flags);
}
/**
diff --git a/arch/mips/ath79/clock.c b/arch/mips/ath79/clock.c
index d272857..579f452 100644
--- a/arch/mips/ath79/clock.c
+++ b/arch/mips/ath79/clock.c
@@ -17,6 +17,8 @@
#include <linux/err.h>
#include <linux/clk.h>
+#include <asm/div64.h>
+
#include <asm/mach-ath79/ath79.h>
#include <asm/mach-ath79/ar71xx_regs.h>
#include "common.h"
@@ -166,11 +168,34 @@ static void __init ar933x_clocks_init(void)
ath79_uart_clk.rate = ath79_ref_clk.rate;
}
+static u32 __init ar934x_get_pll_freq(u32 ref, u32 ref_div, u32 nint, u32 nfrac,
+ u32 frac, u32 out_div)
+{
+ u64 t;
+ u32 ret;
+
+ t = ath79_ref_clk.rate;
+ t *= nint;
+ do_div(t, ref_div);
+ ret = t;
+
+ t = ath79_ref_clk.rate;
+ t *= nfrac;
+ do_div(t, ref_div * frac);
+ ret += t;
+
+ ret /= (1 << out_div);
+ return ret;
+}
+
static void __init ar934x_clocks_init(void)
{
- u32 pll, out_div, ref_div, nint, frac, clk_ctrl, postdiv;
+ u32 pll, out_div, ref_div, nint, nfrac, frac, clk_ctrl, postdiv;
u32 cpu_pll, ddr_pll;
u32 bootstrap;
+ void __iomem *dpll_base;
+
+ dpll_base = ioremap(AR934X_SRIF_BASE, AR934X_SRIF_SIZE);
bootstrap = ath79_reset_rr(AR934X_RESET_REG_BOOTSTRAP);
if (bootstrap & AR934X_BOOTSTRAP_REF_CLK_40)
@@ -178,33 +203,59 @@ static void __init ar934x_clocks_init(void)
else
ath79_ref_clk.rate = 25 * 1000 * 1000;
- pll = ath79_pll_rr(AR934X_PLL_CPU_CONFIG_REG);
- out_div = (pll >> AR934X_PLL_CPU_CONFIG_OUTDIV_SHIFT) &
- AR934X_PLL_CPU_CONFIG_OUTDIV_MASK;
- ref_div = (pll >> AR934X_PLL_CPU_CONFIG_REFDIV_SHIFT) &
- AR934X_PLL_CPU_CONFIG_REFDIV_MASK;
- nint = (pll >> AR934X_PLL_CPU_CONFIG_NINT_SHIFT) &
- AR934X_PLL_CPU_CONFIG_NINT_MASK;
- frac = (pll >> AR934X_PLL_CPU_CONFIG_NFRAC_SHIFT) &
- AR934X_PLL_CPU_CONFIG_NFRAC_MASK;
-
- cpu_pll = nint * ath79_ref_clk.rate / ref_div;
- cpu_pll += frac * ath79_ref_clk.rate / (ref_div * (1 << 6));
- cpu_pll /= (1 << out_div);
-
- pll = ath79_pll_rr(AR934X_PLL_DDR_CONFIG_REG);
- out_div = (pll >> AR934X_PLL_DDR_CONFIG_OUTDIV_SHIFT) &
- AR934X_PLL_DDR_CONFIG_OUTDIV_MASK;
- ref_div = (pll >> AR934X_PLL_DDR_CONFIG_REFDIV_SHIFT) &
- AR934X_PLL_DDR_CONFIG_REFDIV_MASK;
- nint = (pll >> AR934X_PLL_DDR_CONFIG_NINT_SHIFT) &
- AR934X_PLL_DDR_CONFIG_NINT_MASK;
- frac = (pll >> AR934X_PLL_DDR_CONFIG_NFRAC_SHIFT) &
- AR934X_PLL_DDR_CONFIG_NFRAC_MASK;
-
- ddr_pll = nint * ath79_ref_clk.rate / ref_div;
- ddr_pll += frac * ath79_ref_clk.rate / (ref_div * (1 << 10));
- ddr_pll /= (1 << out_div);
+ pll = __raw_readl(dpll_base + AR934X_SRIF_CPU_DPLL2_REG);
+ if (pll & AR934X_SRIF_DPLL2_LOCAL_PLL) {
+ out_div = (pll >> AR934X_SRIF_DPLL2_OUTDIV_SHIFT) &
+ AR934X_SRIF_DPLL2_OUTDIV_MASK;
+ pll = __raw_readl(dpll_base + AR934X_SRIF_CPU_DPLL1_REG);
+ nint = (pll >> AR934X_SRIF_DPLL1_NINT_SHIFT) &
+ AR934X_SRIF_DPLL1_NINT_MASK;
+ nfrac = pll & AR934X_SRIF_DPLL1_NFRAC_MASK;
+ ref_div = (pll >> AR934X_SRIF_DPLL1_REFDIV_SHIFT) &
+ AR934X_SRIF_DPLL1_REFDIV_MASK;
+ frac = 1 << 18;
+ } else {
+ pll = ath79_pll_rr(AR934X_PLL_CPU_CONFIG_REG);
+ out_div = (pll >> AR934X_PLL_CPU_CONFIG_OUTDIV_SHIFT) &
+ AR934X_PLL_CPU_CONFIG_OUTDIV_MASK;
+ ref_div = (pll >> AR934X_PLL_CPU_CONFIG_REFDIV_SHIFT) &
+ AR934X_PLL_CPU_CONFIG_REFDIV_MASK;
+ nint = (pll >> AR934X_PLL_CPU_CONFIG_NINT_SHIFT) &
+ AR934X_PLL_CPU_CONFIG_NINT_MASK;
+ nfrac = (pll >> AR934X_PLL_CPU_CONFIG_NFRAC_SHIFT) &
+ AR934X_PLL_CPU_CONFIG_NFRAC_MASK;
+ frac = 1 << 6;
+ }
+
+ cpu_pll = ar934x_get_pll_freq(ath79_ref_clk.rate, ref_div, nint,
+ nfrac, frac, out_div);
+
+ pll = __raw_readl(dpll_base + AR934X_SRIF_DDR_DPLL2_REG);
+ if (pll & AR934X_SRIF_DPLL2_LOCAL_PLL) {
+ out_div = (pll >> AR934X_SRIF_DPLL2_OUTDIV_SHIFT) &
+ AR934X_SRIF_DPLL2_OUTDIV_MASK;
+ pll = __raw_readl(dpll_base + AR934X_SRIF_DDR_DPLL1_REG);
+ nint = (pll >> AR934X_SRIF_DPLL1_NINT_SHIFT) &
+ AR934X_SRIF_DPLL1_NINT_MASK;
+ nfrac = pll & AR934X_SRIF_DPLL1_NFRAC_MASK;
+ ref_div = (pll >> AR934X_SRIF_DPLL1_REFDIV_SHIFT) &
+ AR934X_SRIF_DPLL1_REFDIV_MASK;
+ frac = 1 << 18;
+ } else {
+ pll = ath79_pll_rr(AR934X_PLL_DDR_CONFIG_REG);
+ out_div = (pll >> AR934X_PLL_DDR_CONFIG_OUTDIV_SHIFT) &
+ AR934X_PLL_DDR_CONFIG_OUTDIV_MASK;
+ ref_div = (pll >> AR934X_PLL_DDR_CONFIG_REFDIV_SHIFT) &
+ AR934X_PLL_DDR_CONFIG_REFDIV_MASK;
+ nint = (pll >> AR934X_PLL_DDR_CONFIG_NINT_SHIFT) &
+ AR934X_PLL_DDR_CONFIG_NINT_MASK;
+ nfrac = (pll >> AR934X_PLL_DDR_CONFIG_NFRAC_SHIFT) &
+ AR934X_PLL_DDR_CONFIG_NFRAC_MASK;
+ frac = 1 << 10;
+ }
+
+ ddr_pll = ar934x_get_pll_freq(ath79_ref_clk.rate, ref_div, nint,
+ nfrac, frac, out_div);
clk_ctrl = ath79_pll_rr(AR934X_PLL_CPU_DDR_CLK_CTRL_REG);
@@ -240,6 +291,8 @@ static void __init ar934x_clocks_init(void)
ath79_wdt_clk.rate = ath79_ref_clk.rate;
ath79_uart_clk.rate = ath79_ref_clk.rate;
+
+ iounmap(dpll_base);
}
void __init ath79_clocks_init(void)
diff --git a/arch/mips/include/asm/mach-ath79/ar71xx_regs.h b/arch/mips/include/asm/mach-ath79/ar71xx_regs.h
index dde5044..31a9a7c 100644
--- a/arch/mips/include/asm/mach-ath79/ar71xx_regs.h
+++ b/arch/mips/include/asm/mach-ath79/ar71xx_regs.h
@@ -63,6 +63,8 @@
#define AR934X_WMAC_BASE (AR71XX_APB_BASE + 0x00100000)
#define AR934X_WMAC_SIZE 0x20000
+#define AR934X_SRIF_BASE (AR71XX_APB_BASE + 0x00116000)
+#define AR934X_SRIF_SIZE 0x1000
/*
* DDR_CTRL block
@@ -399,4 +401,25 @@
#define AR933X_GPIO_COUNT 30
#define AR934X_GPIO_COUNT 23
+/*
+ * SRIF block
+ */
+#define AR934X_SRIF_CPU_DPLL1_REG 0x1c0
+#define AR934X_SRIF_CPU_DPLL2_REG 0x1c4
+#define AR934X_SRIF_CPU_DPLL3_REG 0x1c8
+
+#define AR934X_SRIF_DDR_DPLL1_REG 0x240
+#define AR934X_SRIF_DDR_DPLL2_REG 0x244
+#define AR934X_SRIF_DDR_DPLL3_REG 0x248
+
+#define AR934X_SRIF_DPLL1_REFDIV_SHIFT 27
+#define AR934X_SRIF_DPLL1_REFDIV_MASK 0x1f
+#define AR934X_SRIF_DPLL1_NINT_SHIFT 18
+#define AR934X_SRIF_DPLL1_NINT_MASK 0x1ff
+#define AR934X_SRIF_DPLL1_NFRAC_MASK 0x0003ffff
+
+#define AR934X_SRIF_DPLL2_LOCAL_PLL BIT(30)
+#define AR934X_SRIF_DPLL2_OUTDIV_SHIFT 13
+#define AR934X_SRIF_DPLL2_OUTDIV_MASK 0x7
+
#endif /* __ASM_MACH_AR71XX_REGS_H */
diff --git a/arch/mips/kernel/kgdb.c b/arch/mips/kernel/kgdb.c
index f4546e9..23817a6 100644
--- a/arch/mips/kernel/kgdb.c
+++ b/arch/mips/kernel/kgdb.c
@@ -283,6 +283,15 @@ static int kgdb_mips_notify(struct notifier_block *self, unsigned long cmd,
struct pt_regs *regs = args->regs;
int trap = (regs->cp0_cause & 0x7c) >> 2;
+#ifdef CONFIG_KPROBES
+ /*
+ * Return immediately if the kprobes fault notifier has set
+ * DIE_PAGE_FAULT.
+ */
+ if (cmd == DIE_PAGE_FAULT)
+ return NOTIFY_DONE;
+#endif /* CONFIG_KPROBES */
+
/* Userspace events, ignore. */
if (user_mode(regs))
return NOTIFY_DONE;
diff --git a/arch/x86/Makefile b/arch/x86/Makefile
index 58790bd..05afcca 100644
--- a/arch/x86/Makefile
+++ b/arch/x86/Makefile
@@ -142,7 +142,7 @@ KBUILD_CFLAGS += $(call cc-option,-mno-avx,)
KBUILD_CFLAGS += $(mflags-y)
KBUILD_AFLAGS += $(mflags-y)
-archscripts:
+archscripts: scripts_basic
$(Q)$(MAKE) $(build)=arch/x86/tools relocs
###
diff --git a/arch/x86/xen/enlighten.c b/arch/x86/xen/enlighten.c
index 1fbe75a..c1461de 100644
--- a/arch/x86/xen/enlighten.c
+++ b/arch/x86/xen/enlighten.c
@@ -984,7 +984,16 @@ static void xen_write_cr4(unsigned long cr4)
native_write_cr4(cr4);
}
-
+#ifdef CONFIG_X86_64
+static inline unsigned long xen_read_cr8(void)
+{
+ return 0;
+}
+static inline void xen_write_cr8(unsigned long val)
+{
+ BUG_ON(val);
+}
+#endif
static int xen_write_msr_safe(unsigned int msr, unsigned low, unsigned high)
{
int ret;
@@ -1153,6 +1162,11 @@ static const struct pv_cpu_ops xen_cpu_ops __initconst = {
.read_cr4_safe = native_read_cr4_safe,
.write_cr4 = xen_write_cr4,
+#ifdef CONFIG_X86_64
+ .read_cr8 = xen_read_cr8,
+ .write_cr8 = xen_write_cr8,
+#endif
+
.wbinvd = native_wbinvd,
.read_msr = native_read_msr_safe,
@@ -1161,6 +1175,8 @@ static const struct pv_cpu_ops xen_cpu_ops __initconst = {
.read_tsc = native_read_tsc,
.read_pmc = native_read_pmc,
+ .read_tscp = native_read_tscp,
+
.iret = xen_iret,
.irq_enable_sysexit = xen_sysexit,
#ifdef CONFIG_X86_64
diff --git a/block/blk-core.c b/block/blk-core.c
index ee3cb3a..8471fb7 100644
--- a/block/blk-core.c
+++ b/block/blk-core.c
@@ -696,7 +696,7 @@ blk_init_allocated_queue(struct request_queue *q, request_fn_proc *rfn,
q->request_fn = rfn;
q->prep_rq_fn = NULL;
q->unprep_rq_fn = NULL;
- q->queue_flags = QUEUE_FLAG_DEFAULT;
+ q->queue_flags |= QUEUE_FLAG_DEFAULT;
/* Override internal queue lock with supplied lock pointer */
if (lock)
diff --git a/drivers/acpi/ec.c b/drivers/acpi/ec.c
index 7edaccc..a51df96 100644
--- a/drivers/acpi/ec.c
+++ b/drivers/acpi/ec.c
@@ -71,9 +71,6 @@ enum ec_command {
#define ACPI_EC_UDELAY_GLK 1000 /* Wait 1ms max. to get global lock */
#define ACPI_EC_MSI_UDELAY 550 /* Wait 550us for MSI EC */
-#define ACPI_EC_STORM_THRESHOLD 8 /* number of false interrupts
- per one transaction */
-
enum {
EC_FLAGS_QUERY_PENDING, /* Query is pending */
EC_FLAGS_GPE_STORM, /* GPE storm detected */
@@ -87,6 +84,15 @@ static unsigned int ec_delay __read_mostly = ACPI_EC_DELAY;
module_param(ec_delay, uint, 0644);
MODULE_PARM_DESC(ec_delay, "Timeout(ms) waited until an EC command completes");
+/*
+ * If the number of false interrupts per one transaction exceeds
+ * this threshold, will think there is a GPE storm happened and
+ * will disable the GPE for normal transaction.
+ */
+static unsigned int ec_storm_threshold __read_mostly = 8;
+module_param(ec_storm_threshold, uint, 0644);
+MODULE_PARM_DESC(ec_storm_threshold, "Maxim false GPE numbers not considered as GPE storm");
+
/* If we find an EC via the ECDT, we need to keep a ptr to its context */
/* External interfaces use first EC only, so remember */
typedef int (*acpi_ec_query_func) (void *data);
@@ -319,7 +325,7 @@ static int acpi_ec_transaction(struct acpi_ec *ec, struct transaction *t)
msleep(1);
/* It is safe to enable the GPE outside of the transaction. */
acpi_enable_gpe(NULL, ec->gpe);
- } else if (t->irq_count > ACPI_EC_STORM_THRESHOLD) {
+ } else if (t->irq_count > ec_storm_threshold) {
pr_info(PREFIX "GPE storm detected, "
"transactions will use polling mode\n");
set_bit(EC_FLAGS_GPE_STORM, &ec->flags);
@@ -924,6 +930,17 @@ static int ec_flag_msi(const struct dmi_system_id *id)
return 0;
}
+/*
+ * Clevo M720 notebook actually works ok with IRQ mode, if we lifted
+ * the GPE storm threshold back to 20
+ */
+static int ec_enlarge_storm_threshold(const struct dmi_system_id *id)
+{
+ pr_debug("Setting the EC GPE storm threshold to 20\n");
+ ec_storm_threshold = 20;
+ return 0;
+}
+
static struct dmi_system_id __initdata ec_dmi_table[] = {
{
ec_skip_dsdt_scan, "Compal JFL92", {
@@ -955,10 +972,13 @@ static struct dmi_system_id __initdata ec_dmi_table[] = {
{
ec_validate_ecdt, "ASUS hardware", {
DMI_MATCH(DMI_BOARD_VENDOR, "ASUSTeK Computer Inc.") }, NULL},
+ {
+ ec_enlarge_storm_threshold, "CLEVO hardware", {
+ DMI_MATCH(DMI_SYS_VENDOR, "CLEVO Co."),
+ DMI_MATCH(DMI_PRODUCT_NAME, "M720T/M730T"),}, NULL},
{},
};
-
int __init acpi_ec_ecdt_probe(void)
{
acpi_status status;
diff --git a/drivers/char/tpm/tpm.c b/drivers/char/tpm/tpm.c
index 817f0ee..4dc8024 100644
--- a/drivers/char/tpm/tpm.c
+++ b/drivers/char/tpm/tpm.c
@@ -1186,17 +1186,20 @@ ssize_t tpm_write(struct file *file, const char __user *buf,
size_t size, loff_t *off)
{
struct tpm_chip *chip = file->private_data;
- size_t in_size = size, out_size;
+ size_t in_size = size;
+ ssize_t out_size;
/* cannot perform a write until the read has cleared
- either via tpm_read or a user_read_timer timeout */
- while (atomic_read(&chip->data_pending) != 0)
- msleep(TPM_TIMEOUT);
-
- mutex_lock(&chip->buffer_mutex);
+ either via tpm_read or a user_read_timer timeout.
+ This also prevents splitted buffered writes from blocking here.
+ */
+ if (atomic_read(&chip->data_pending) != 0)
+ return -EBUSY;
if (in_size > TPM_BUFSIZE)
- in_size = TPM_BUFSIZE;
+ return -E2BIG;
+
+ mutex_lock(&chip->buffer_mutex);
if (copy_from_user
(chip->data_buffer, (void __user *) buf, in_size)) {
@@ -1206,6 +1209,10 @@ ssize_t tpm_write(struct file *file, const char __user *buf,
/* atomic tpm command send and result receive */
out_size = tpm_transmit(chip, chip->data_buffer, TPM_BUFSIZE);
+ if (out_size < 0) {
+ mutex_unlock(&chip->buffer_mutex);
+ return out_size;
+ }
atomic_set(&chip->data_pending, out_size);
mutex_unlock(&chip->buffer_mutex);
diff --git a/drivers/firewire/core-cdev.c b/drivers/firewire/core-cdev.c
index 2783f69..f8d2287 100644
--- a/drivers/firewire/core-cdev.c
+++ b/drivers/firewire/core-cdev.c
@@ -473,8 +473,8 @@ static int ioctl_get_info(struct client *client, union ioctl_arg *arg)
client->bus_reset_closure = a->bus_reset_closure;
if (a->bus_reset != 0) {
fill_bus_reset_event(&bus_reset, client);
- ret = copy_to_user(u64_to_uptr(a->bus_reset),
- &bus_reset, sizeof(bus_reset));
+ /* unaligned size of bus_reset is 36 bytes */
+ ret = copy_to_user(u64_to_uptr(a->bus_reset), &bus_reset, 36);
}
if (ret == 0 && list_empty(&client->link))
list_add_tail(&client->link, &client->device->client_list);
diff --git a/drivers/gpu/drm/i915/i915_gem.c b/drivers/gpu/drm/i915/i915_gem.c
index 274d25d..97d4f4b 100644
--- a/drivers/gpu/drm/i915/i915_gem.c
+++ b/drivers/gpu/drm/i915/i915_gem.c
@@ -3893,7 +3893,6 @@ i915_gem_entervt_ioctl(struct drm_device *dev, void *data,
BUG_ON(!list_empty(&dev_priv->mm.active_list));
BUG_ON(!list_empty(&dev_priv->mm.flushing_list));
- BUG_ON(!list_empty(&dev_priv->mm.inactive_list));
mutex_unlock(&dev->struct_mutex);
ret = drm_irq_install(dev);
diff --git a/drivers/gpu/drm/i915/i915_reg.h b/drivers/gpu/drm/i915/i915_reg.h
index a3e53c5..f02cfad 100644
--- a/drivers/gpu/drm/i915/i915_reg.h
+++ b/drivers/gpu/drm/i915/i915_reg.h
@@ -513,7 +513,7 @@
*/
# define _3D_CHICKEN2_WM_READ_PIPELINED (1 << 14)
#define _3D_CHICKEN3 0x02090
-#define _3D_CHICKEN_SF_DISABLE_FASTCLIP_CULL (1 << 5)
+#define _3D_CHICKEN3_SF_DISABLE_FASTCLIP_CULL (1 << 5)
#define MI_MODE 0x0209c
# define VS_TIMER_DISPATCH (1 << 6)
diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
index 0c7f4aa..b634f6f 100644
--- a/drivers/gpu/drm/i915/intel_display.c
+++ b/drivers/gpu/drm/i915/intel_display.c
@@ -4351,7 +4351,7 @@ static int i9xx_crtc_mode_set(struct drm_crtc *crtc,
/* default to 8bpc */
pipeconf &= ~(PIPECONF_BPP_MASK | PIPECONF_DITHER_EN);
if (is_dp) {
- if (mode->private_flags & INTEL_MODE_DP_FORCE_6BPC) {
+ if (adjusted_mode->private_flags & INTEL_MODE_DP_FORCE_6BPC) {
pipeconf |= PIPECONF_BPP_6 |
PIPECONF_DITHER_EN |
PIPECONF_DITHER_TYPE_SP;
@@ -4705,7 +4705,7 @@ static int ironlake_crtc_mode_set(struct drm_crtc *crtc,
/* determine panel color depth */
temp = I915_READ(PIPECONF(pipe));
temp &= ~PIPE_BPC_MASK;
- dither = intel_choose_pipe_bpp_dither(crtc, &pipe_bpp, mode);
+ dither = intel_choose_pipe_bpp_dither(crtc, &pipe_bpp, adjusted_mode);
switch (pipe_bpp) {
case 18:
temp |= PIPE_6BPC;
diff --git a/drivers/gpu/drm/i915/intel_pm.c b/drivers/gpu/drm/i915/intel_pm.c
index 8c73fae..c23c9ea 100644
--- a/drivers/gpu/drm/i915/intel_pm.c
+++ b/drivers/gpu/drm/i915/intel_pm.c
@@ -3355,8 +3355,8 @@ static void gen6_init_clock_gating(struct drm_device *dev)
GEN6_RCCUNIT_CLOCK_GATE_DISABLE);
/* Bspec says we need to always set all mask bits. */
- I915_WRITE(_3D_CHICKEN, (0xFFFF << 16) |
- _3D_CHICKEN_SF_DISABLE_FASTCLIP_CULL);
+ I915_WRITE(_3D_CHICKEN3, (0xFFFF << 16) |
+ _3D_CHICKEN3_SF_DISABLE_FASTCLIP_CULL);
/*
* According to the spec the following bits should be
diff --git a/drivers/gpu/drm/radeon/radeon_legacy_encoders.c b/drivers/gpu/drm/radeon/radeon_legacy_encoders.c
index 670e991..d16f50f 100644
--- a/drivers/gpu/drm/radeon/radeon_legacy_encoders.c
+++ b/drivers/gpu/drm/radeon/radeon_legacy_encoders.c
@@ -974,11 +974,7 @@ static void radeon_legacy_tmds_ext_mode_set(struct drm_encoder *encoder,
static void radeon_ext_tmds_enc_destroy(struct drm_encoder *encoder)
{
struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
- struct radeon_encoder_ext_tmds *tmds = radeon_encoder->enc_priv;
- if (tmds) {
- if (tmds->i2c_bus)
- radeon_i2c_destroy(tmds->i2c_bus);
- }
+ /* don't destroy the i2c bus record here, this will be done in radeon_i2c_fini */
kfree(radeon_encoder->enc_priv);
drm_encoder_cleanup(encoder);
kfree(radeon_encoder);
diff --git a/drivers/md/raid10.c b/drivers/md/raid10.c
index 0138a72..a48c215 100644
--- a/drivers/md/raid10.c
+++ b/drivers/md/raid10.c
@@ -3158,7 +3158,7 @@ static sector_t sync_request(struct mddev *mddev, sector_t sector_nr,
else {
bad_sectors -= (sector - first_bad);
if (max_sync > bad_sectors)
- max_sync = max_sync;
+ max_sync = bad_sectors;
continue;
}
}
diff --git a/drivers/mtd/nand/nand_base.c b/drivers/mtd/nand/nand_base.c
index a11253a..c429abd 100644
--- a/drivers/mtd/nand/nand_base.c
+++ b/drivers/mtd/nand/nand_base.c
@@ -2914,8 +2914,7 @@ static int nand_flash_detect_onfi(struct mtd_info *mtd, struct nand_chip *chip,
if (le16_to_cpu(p->features) & 1)
*busw = NAND_BUSWIDTH_16;
- chip->options &= ~NAND_CHIPOPTIONS_MSK;
- chip->options |= NAND_NO_READRDY & NAND_CHIPOPTIONS_MSK;
+ chip->options |= NAND_NO_READRDY;
pr_info("ONFI flash detected\n");
return 1;
@@ -3080,9 +3079,8 @@ static struct nand_flash_dev *nand_get_flash_type(struct mtd_info *mtd,
mtd->erasesize <<= ((id_data[3] & 0x03) << 1);
}
}
- /* Get chip options, preserve non chip based options */
- chip->options &= ~NAND_CHIPOPTIONS_MSK;
- chip->options |= type->options & NAND_CHIPOPTIONS_MSK;
+ /* Get chip options */
+ chip->options |= type->options;
/*
* Check if chip is not a Samsung device. Do not clear the
diff --git a/drivers/net/ethernet/intel/e1000e/e1000.h b/drivers/net/ethernet/intel/e1000e/e1000.h
index cb3356c..04668b4 100644
--- a/drivers/net/ethernet/intel/e1000e/e1000.h
+++ b/drivers/net/ethernet/intel/e1000e/e1000.h
@@ -175,13 +175,13 @@ struct e1000_info;
/*
* in the case of WTHRESH, it appears at least the 82571/2 hardware
* writes back 4 descriptors when WTHRESH=5, and 3 descriptors when
- * WTHRESH=4, and since we want 64 bytes at a time written back, set
- * it to 5
+ * WTHRESH=4, so a setting of 5 gives the most efficient bus
+ * utilization but to avoid possible Tx stalls, set it to 1
*/
#define E1000_TXDCTL_DMA_BURST_ENABLE \
(E1000_TXDCTL_GRAN | /* set descriptor granularity */ \
E1000_TXDCTL_COUNT_DESC | \
- (5 << 16) | /* wthresh must be +1 more than desired */\
+ (1 << 16) | /* wthresh must be +1 more than desired */\
(1 << 8) | /* hthresh */ \
0x1f) /* pthresh */
diff --git a/drivers/net/ethernet/intel/e1000e/netdev.c b/drivers/net/ethernet/intel/e1000e/netdev.c
index d01a099..a46e75e 100644
--- a/drivers/net/ethernet/intel/e1000e/netdev.c
+++ b/drivers/net/ethernet/intel/e1000e/netdev.c
@@ -2831,7 +2831,7 @@ static void e1000_configure_tx(struct e1000_adapter *adapter)
* set up some performance related parameters to encourage the
* hardware to use the bus more efficiently in bursts, depends
* on the tx_int_delay to be enabled,
- * wthresh = 5 ==> burst write a cacheline (64 bytes) at a time
+ * wthresh = 1 ==> burst write is disabled to avoid Tx stalls
* hthresh = 1 ==> prefetch when one or more available
* pthresh = 0x1f ==> prefetch if internal cache 31 or less
* BEWARE: this seems to work but should be considered first if
diff --git a/drivers/net/usb/mcs7830.c b/drivers/net/usb/mcs7830.c
index 03c2d8d..cc7e720 100644
--- a/drivers/net/usb/mcs7830.c
+++ b/drivers/net/usb/mcs7830.c
@@ -117,6 +117,7 @@ enum {
struct mcs7830_data {
u8 multi_filter[8];
u8 config;
+ u8 link_counter;
};
static const char driver_name[] = "MOSCHIP usb-ethernet driver";
@@ -632,20 +633,31 @@ static int mcs7830_rx_fixup(struct usbnet *dev, struct sk_buff *skb)
static void mcs7830_status(struct usbnet *dev, struct urb *urb)
{
u8 *buf = urb->transfer_buffer;
- bool link;
+ bool link, link_changed;
+ struct mcs7830_data *data = mcs7830_get_data(dev);
if (urb->actual_length < 16)
return;
link = !(buf[1] & 0x20);
- if (netif_carrier_ok(dev->net) != link) {
- if (link) {
- netif_carrier_on(dev->net);
- usbnet_defer_kevent(dev, EVENT_LINK_RESET);
- } else
- netif_carrier_off(dev->net);
- netdev_dbg(dev->net, "Link Status is: %d\n", link);
- }
+ link_changed = netif_carrier_ok(dev->net) != link;
+ if (link_changed) {
+ data->link_counter++;
+ /*
+ track link state 20 times to guard against erroneous
+ link state changes reported sometimes by the chip
+ */
+ if (data->link_counter > 20) {
+ data->link_counter = 0;
+ if (link) {
+ netif_carrier_on(dev->net);
+ usbnet_defer_kevent(dev, EVENT_LINK_RESET);
+ } else
+ netif_carrier_off(dev->net);
+ netdev_dbg(dev->net, "Link Status is: %d\n", link);
+ }
+ } else
+ data->link_counter = 0;
}
static const struct driver_info moschip_info = {
diff --git a/drivers/net/wireless/ath/ath9k/beacon.c b/drivers/net/wireless/ath/ath9k/beacon.c
index 76f07d8..1b48414 100644
--- a/drivers/net/wireless/ath/ath9k/beacon.c
+++ b/drivers/net/wireless/ath/ath9k/beacon.c
@@ -120,7 +120,7 @@ static void ath9k_tx_cabq(struct ieee80211_hw *hw, struct sk_buff *skb)
if (ath_tx_start(hw, skb, &txctl) != 0) {
ath_dbg(common, XMIT, "CABQ TX failed\n");
- dev_kfree_skb_any(skb);
+ ieee80211_free_txskb(hw, skb);
}
}
diff --git a/drivers/net/wireless/ath/ath9k/main.c b/drivers/net/wireless/ath/ath9k/main.c
index a22df74..61e08e6 100644
--- a/drivers/net/wireless/ath/ath9k/main.c
+++ b/drivers/net/wireless/ath/ath9k/main.c
@@ -767,7 +767,7 @@ static void ath9k_tx(struct ieee80211_hw *hw, struct sk_buff *skb)
return;
exit:
- dev_kfree_skb_any(skb);
+ ieee80211_free_txskb(hw, skb);
}
static void ath9k_stop(struct ieee80211_hw *hw)
diff --git a/drivers/net/wireless/ath/ath9k/xmit.c b/drivers/net/wireless/ath/ath9k/xmit.c
index 0d4155a..423a9f3 100644
--- a/drivers/net/wireless/ath/ath9k/xmit.c
+++ b/drivers/net/wireless/ath/ath9k/xmit.c
@@ -66,8 +66,7 @@ static void ath_tx_update_baw(struct ath_softc *sc, struct ath_atx_tid *tid,
static struct ath_buf *ath_tx_setup_buffer(struct ath_softc *sc,
struct ath_txq *txq,
struct ath_atx_tid *tid,
- struct sk_buff *skb,
- bool dequeue);
+ struct sk_buff *skb);
enum {
MCS_HT20,
@@ -176,7 +175,15 @@ static void ath_tx_flush_tid(struct ath_softc *sc, struct ath_atx_tid *tid)
fi = get_frame_info(skb);
bf = fi->bf;
- if (bf && fi->retries) {
+ if (!bf) {
+ bf = ath_tx_setup_buffer(sc, txq, tid, skb);
+ if (!bf) {
+ ieee80211_free_txskb(sc->hw, skb);
+ continue;
+ }
+ }
+
+ if (fi->retries) {
list_add_tail(&bf->list, &bf_head);
ath_tx_update_baw(sc, tid, bf->bf_state.seqno);
ath_tx_complete_buf(sc, bf, txq, &bf_head, &ts, 0);
@@ -785,10 +792,13 @@ static enum ATH_AGGR_STATUS ath_tx_form_aggr(struct ath_softc *sc,
fi = get_frame_info(skb);
bf = fi->bf;
if (!fi->bf)
- bf = ath_tx_setup_buffer(sc, txq, tid, skb, true);
+ bf = ath_tx_setup_buffer(sc, txq, tid, skb);
- if (!bf)
+ if (!bf) {
+ __skb_unlink(skb, &tid->buf_q);
+ ieee80211_free_txskb(sc->hw, skb);
continue;
+ }
bf->bf_state.bf_type = BUF_AMPDU | BUF_AGGR;
seqno = bf->bf_state.seqno;
@@ -1731,9 +1741,11 @@ static void ath_tx_send_ampdu(struct ath_softc *sc, struct ath_atx_tid *tid,
return;
}
- bf = ath_tx_setup_buffer(sc, txctl->txq, tid, skb, false);
- if (!bf)
+ bf = ath_tx_setup_buffer(sc, txctl->txq, tid, skb);
+ if (!bf) {
+ ieee80211_free_txskb(sc->hw, skb);
return;
+ }
bf->bf_state.bf_type = BUF_AMPDU;
INIT_LIST_HEAD(&bf_head);
@@ -1757,11 +1769,6 @@ static void ath_tx_send_normal(struct ath_softc *sc, struct ath_txq *txq,
struct ath_buf *bf;
bf = fi->bf;
- if (!bf)
- bf = ath_tx_setup_buffer(sc, txq, tid, skb, false);
-
- if (!bf)
- return;
INIT_LIST_HEAD(&bf_head);
list_add_tail(&bf->list, &bf_head);
@@ -1834,8 +1841,7 @@ u8 ath_txchainmask_reduction(struct ath_softc *sc, u8 chainmask, u32 rate)
static struct ath_buf *ath_tx_setup_buffer(struct ath_softc *sc,
struct ath_txq *txq,
struct ath_atx_tid *tid,
- struct sk_buff *skb,
- bool dequeue)
+ struct sk_buff *skb)
{
struct ath_common *common = ath9k_hw_common(sc->sc_ah);
struct ath_frame_info *fi = get_frame_info(skb);
@@ -1847,7 +1853,7 @@ static struct ath_buf *ath_tx_setup_buffer(struct ath_softc *sc,
bf = ath_tx_get_buffer(sc);
if (!bf) {
ath_dbg(common, XMIT, "TX buffers are full\n");
- goto error;
+ return NULL;
}
ATH_TXBUF_RESET(bf);
@@ -1876,18 +1882,12 @@ static struct ath_buf *ath_tx_setup_buffer(struct ath_softc *sc,
ath_err(ath9k_hw_common(sc->sc_ah),
"dma_mapping_error() on TX\n");
ath_tx_return_buffer(sc, bf);
- goto error;
+ return NULL;
}
fi->bf = bf;
return bf;
-
-error:
- if (dequeue)
- __skb_unlink(skb, &tid->buf_q);
- dev_kfree_skb_any(skb);
- return NULL;
}
/* FIXME: tx power */
@@ -1916,9 +1916,14 @@ static void ath_tx_start_dma(struct ath_softc *sc, struct sk_buff *skb,
*/
ath_tx_send_ampdu(sc, tid, skb, txctl);
} else {
- bf = ath_tx_setup_buffer(sc, txctl->txq, tid, skb, false);
- if (!bf)
+ bf = ath_tx_setup_buffer(sc, txctl->txq, tid, skb);
+ if (!bf) {
+ if (txctl->paprd)
+ dev_kfree_skb_any(skb);
+ else
+ ieee80211_free_txskb(sc->hw, skb);
return;
+ }
bf->bf_state.bfs_paprd = txctl->paprd;
diff --git a/drivers/scsi/qla2xxx/qla_target.c b/drivers/scsi/qla2xxx/qla_target.c
index 5b30132..41b74ba 100644
--- a/drivers/scsi/qla2xxx/qla_target.c
+++ b/drivers/scsi/qla2xxx/qla_target.c
@@ -1403,7 +1403,7 @@ static void qlt_24xx_send_task_mgmt_ctio(struct scsi_qla_host *ha,
ctio->u.status1.scsi_status =
__constant_cpu_to_le16(SS_RESPONSE_INFO_LEN_VALID);
ctio->u.status1.response_len = __constant_cpu_to_le16(8);
- ((uint32_t *)ctio->u.status1.sense_data)[0] = cpu_to_be32(resp_code);
+ ctio->u.status1.sense_data[0] = resp_code;
qla2x00_start_iocbs(ha, ha->req);
}
diff --git a/drivers/scsi/scsi_debug.c b/drivers/scsi/scsi_debug.c
index 182d5a5..f4cc413 100644
--- a/drivers/scsi/scsi_debug.c
+++ b/drivers/scsi/scsi_debug.c
@@ -2054,7 +2054,7 @@ static void unmap_region(sector_t lba, unsigned int len)
block = lba + alignment;
rem = do_div(block, granularity);
- if (rem == 0 && lba + granularity <= end && block < map_size) {
+ if (rem == 0 && lba + granularity < end && block < map_size) {
clear_bit(block, map_storep);
if (scsi_debug_lbprz)
memset(fake_storep +
diff --git a/drivers/scsi/storvsc_drv.c b/drivers/scsi/storvsc_drv.c
index 528d52b..0144078 100644
--- a/drivers/scsi/storvsc_drv.c
+++ b/drivers/scsi/storvsc_drv.c
@@ -1221,7 +1221,12 @@ static int storvsc_host_reset_handler(struct scsi_cmnd *scmnd)
/*
* At this point, all outstanding requests in the adapter
* should have been flushed out and return to us
+ * There is a potential race here where the host may be in
+ * the process of responding when we return from here.
+ * Just wait for all in-transit packets to be accounted for
+ * before we return from here.
*/
+ storvsc_wait_to_drain(stor_device);
return SUCCESS;
}
diff --git a/drivers/scsi/virtio_scsi.c b/drivers/scsi/virtio_scsi.c
index 3e79a2f..7554d78 100644
--- a/drivers/scsi/virtio_scsi.c
+++ b/drivers/scsi/virtio_scsi.c
@@ -219,7 +219,7 @@ static int virtscsi_kick_event(struct virtio_scsi *vscsi,
struct scatterlist sg;
unsigned long flags;
- sg_set_buf(&sg, &event_node->event, sizeof(struct virtio_scsi_event));
+ sg_init_one(&sg, &event_node->event, sizeof(struct virtio_scsi_event));
spin_lock_irqsave(&vscsi->event_vq.vq_lock, flags);
diff --git a/drivers/target/iscsi/iscsi_target.c b/drivers/target/iscsi/iscsi_target.c
index 97c0f78..dd4fce2 100644
--- a/drivers/target/iscsi/iscsi_target.c
+++ b/drivers/target/iscsi/iscsi_target.c
@@ -3271,7 +3271,6 @@ static int iscsit_build_sendtargets_response(struct iscsi_cmd *cmd)
len += 1;
if ((len + payload_len) > buffer_len) {
- spin_unlock(&tiqn->tiqn_tpg_lock);
end_of_buf = 1;
goto eob;
}
@@ -3424,6 +3423,7 @@ static int iscsit_send_reject(
hdr->opcode = ISCSI_OP_REJECT;
hdr->flags |= ISCSI_FLAG_CMD_FINAL;
hton24(hdr->dlength, ISCSI_HDR_LEN);
+ hdr->ffffffff = 0xffffffff;
cmd->stat_sn = conn->stat_sn++;
hdr->statsn = cpu_to_be32(cmd->stat_sn);
hdr->exp_cmdsn = cpu_to_be32(conn->sess->exp_cmd_sn);
diff --git a/drivers/target/iscsi/iscsi_target_core.h b/drivers/target/iscsi/iscsi_target_core.h
index 8a908b2..a90294f 100644
--- a/drivers/target/iscsi/iscsi_target_core.h
+++ b/drivers/target/iscsi/iscsi_target_core.h
@@ -25,10 +25,10 @@
#define NA_DATAOUT_TIMEOUT_RETRIES 5
#define NA_DATAOUT_TIMEOUT_RETRIES_MAX 15
#define NA_DATAOUT_TIMEOUT_RETRIES_MIN 1
-#define NA_NOPIN_TIMEOUT 5
+#define NA_NOPIN_TIMEOUT 15
#define NA_NOPIN_TIMEOUT_MAX 60
#define NA_NOPIN_TIMEOUT_MIN 3
-#define NA_NOPIN_RESPONSE_TIMEOUT 5
+#define NA_NOPIN_RESPONSE_TIMEOUT 30
#define NA_NOPIN_RESPONSE_TIMEOUT_MAX 60
#define NA_NOPIN_RESPONSE_TIMEOUT_MIN 3
#define NA_RANDOM_DATAIN_PDU_OFFSETS 0
diff --git a/drivers/target/iscsi/iscsi_target_tpg.c b/drivers/target/iscsi/iscsi_target_tpg.c
index a38a3f8..de9ea32 100644
--- a/drivers/target/iscsi/iscsi_target_tpg.c
+++ b/drivers/target/iscsi/iscsi_target_tpg.c
@@ -677,6 +677,12 @@ int iscsit_ta_generate_node_acls(
pr_debug("iSCSI_TPG[%hu] - Generate Initiator Portal Group ACLs: %s\n",
tpg->tpgt, (a->generate_node_acls) ? "Enabled" : "Disabled");
+ if (flag == 1 && a->cache_dynamic_acls == 0) {
+ pr_debug("Explicitly setting cache_dynamic_acls=1 when "
+ "generate_node_acls=1\n");
+ a->cache_dynamic_acls = 1;
+ }
+
return 0;
}
@@ -716,6 +722,12 @@ int iscsit_ta_cache_dynamic_acls(
return -EINVAL;
}
+ if (a->generate_node_acls == 1 && flag == 0) {
+ pr_debug("Skipping cache_dynamic_acls=0 when"
+ " generate_node_acls=1\n");
+ return 0;
+ }
+
a->cache_dynamic_acls = flag;
pr_debug("iSCSI_TPG[%hu] - Cache Dynamic Initiator Portal Group"
" ACLs %s\n", tpg->tpgt, (a->cache_dynamic_acls) ?
diff --git a/drivers/target/target_core_configfs.c b/drivers/target/target_core_configfs.c
index 801efa8..06aca11 100644
--- a/drivers/target/target_core_configfs.c
+++ b/drivers/target/target_core_configfs.c
@@ -3132,6 +3132,7 @@ static int __init target_core_init_configfs(void)
GFP_KERNEL);
if (!target_cg->default_groups) {
pr_err("Unable to allocate target_cg->default_groups\n");
+ ret = -ENOMEM;
goto out_global;
}
@@ -3147,6 +3148,7 @@ static int __init target_core_init_configfs(void)
GFP_KERNEL);
if (!hba_cg->default_groups) {
pr_err("Unable to allocate hba_cg->default_groups\n");
+ ret = -ENOMEM;
goto out_global;
}
config_group_init_type_name(&alua_group,
@@ -3162,6 +3164,7 @@ static int __init target_core_init_configfs(void)
GFP_KERNEL);
if (!alua_cg->default_groups) {
pr_err("Unable to allocate alua_cg->default_groups\n");
+ ret = -ENOMEM;
goto out_global;
}
@@ -3173,14 +3176,17 @@ static int __init target_core_init_configfs(void)
* Add core/alua/lu_gps/default_lu_gp
*/
lu_gp = core_alua_allocate_lu_gp("default_lu_gp", 1);
- if (IS_ERR(lu_gp))
+ if (IS_ERR(lu_gp)) {
+ ret = -ENOMEM;
goto out_global;
+ }
lu_gp_cg = &alua_lu_gps_group;
lu_gp_cg->default_groups = kzalloc(sizeof(struct config_group) * 2,
GFP_KERNEL);
if (!lu_gp_cg->default_groups) {
pr_err("Unable to allocate lu_gp_cg->default_groups\n");
+ ret = -ENOMEM;
goto out_global;
}
diff --git a/drivers/target/target_core_file.c b/drivers/target/target_core_file.c
index cbb5aaf..5c5ed7a 100644
--- a/drivers/target/target_core_file.c
+++ b/drivers/target/target_core_file.c
@@ -125,6 +125,19 @@ static struct se_device *fd_create_virtdevice(
* of pure timestamp updates.
*/
flags = O_RDWR | O_CREAT | O_LARGEFILE | O_DSYNC;
+ /*
+ * Optionally allow fd_buffered_io=1 to be enabled for people
+ * who want use the fs buffer cache as an WriteCache mechanism.
+ *
+ * This means that in event of a hard failure, there is a risk
+ * of silent data-loss if the SCSI client has *not* performed a
+ * forced unit access (FUA) write, or issued SYNCHRONIZE_CACHE
+ * to write-out the entire device cache.
+ */
+ if (fd_dev->fbd_flags & FDBD_HAS_BUFFERED_IO_WCE) {
+ pr_debug("FILEIO: Disabling O_DSYNC, using buffered FILEIO\n");
+ flags &= ~O_DSYNC;
+ }
file = filp_open(fd_dev->fd_dev_name, flags, 0600);
if (IS_ERR(file)) {
@@ -188,6 +201,12 @@ static struct se_device *fd_create_virtdevice(
if (!dev)
goto fail;
+ if (fd_dev->fbd_flags & FDBD_HAS_BUFFERED_IO_WCE) {
+ pr_debug("FILEIO: Forcing setting of emulate_write_cache=1"
+ " with FDBD_HAS_BUFFERED_IO_WCE\n");
+ dev->se_sub_dev->se_dev_attrib.emulate_write_cache = 1;
+ }
+
fd_dev->fd_dev_id = fd_host->fd_host_dev_id_count++;
fd_dev->fd_queue_depth = dev->queue_depth;
@@ -407,6 +426,7 @@ enum {
static match_table_t tokens = {
{Opt_fd_dev_name, "fd_dev_name=%s"},
{Opt_fd_dev_size, "fd_dev_size=%s"},
+ {Opt_fd_buffered_io, "fd_buffered_io=%d"},
{Opt_err, NULL}
};
@@ -418,7 +438,7 @@ static ssize_t fd_set_configfs_dev_params(
struct fd_dev *fd_dev = se_dev->se_dev_su_ptr;
char *orig, *ptr, *arg_p, *opts;
substring_t args[MAX_OPT_ARGS];
- int ret = 0, token;
+ int ret = 0, arg, token;
opts = kstrdup(page, GFP_KERNEL);
if (!opts)
@@ -459,6 +479,19 @@ static ssize_t fd_set_configfs_dev_params(
" bytes\n", fd_dev->fd_dev_size);
fd_dev->fbd_flags |= FBDF_HAS_SIZE;
break;
+ case Opt_fd_buffered_io:
+ match_int(args, &arg);
+ if (arg != 1) {
+ pr_err("bogus fd_buffered_io=%d value\n", arg);
+ ret = -EINVAL;
+ goto out;
+ }
+
+ pr_debug("FILEIO: Using buffered I/O"
+ " operations for struct fd_dev\n");
+
+ fd_dev->fbd_flags |= FDBD_HAS_BUFFERED_IO_WCE;
+ break;
default:
break;
}
@@ -490,8 +523,10 @@ static ssize_t fd_show_configfs_dev_params(
ssize_t bl = 0;
bl = sprintf(b + bl, "TCM FILEIO ID: %u", fd_dev->fd_dev_id);
- bl += sprintf(b + bl, " File: %s Size: %llu Mode: O_DSYNC\n",
- fd_dev->fd_dev_name, fd_dev->fd_dev_size);
+ bl += sprintf(b + bl, " File: %s Size: %llu Mode: %s\n",
+ fd_dev->fd_dev_name, fd_dev->fd_dev_size,
+ (fd_dev->fbd_flags & FDBD_HAS_BUFFERED_IO_WCE) ?
+ "Buffered-WCE" : "O_DSYNC");
return bl;
}
diff --git a/drivers/target/target_core_file.h b/drivers/target/target_core_file.h
index 70ce7fd..876ae53 100644
--- a/drivers/target/target_core_file.h
+++ b/drivers/target/target_core_file.h
@@ -14,6 +14,7 @@
#define FBDF_HAS_PATH 0x01
#define FBDF_HAS_SIZE 0x02
+#define FDBD_HAS_BUFFERED_IO_WCE 0x04
struct fd_dev {
u32 fbd_flags;
diff --git a/drivers/target/target_core_spc.c b/drivers/target/target_core_spc.c
index 388a922..9229bd9 100644
--- a/drivers/target/target_core_spc.c
+++ b/drivers/target/target_core_spc.c
@@ -600,30 +600,11 @@ static int spc_emulate_inquiry(struct se_cmd *cmd)
{
struct se_device *dev = cmd->se_dev;
struct se_portal_group *tpg = cmd->se_lun->lun_sep->sep_tpg;
- unsigned char *buf, *map_buf;
+ unsigned char *rbuf;
unsigned char *cdb = cmd->t_task_cdb;
+ unsigned char buf[SE_INQUIRY_BUF];
int p, ret;
- map_buf = transport_kmap_data_sg(cmd);
- /*
- * If SCF_PASSTHROUGH_SG_TO_MEM_NOALLOC is not set, then we
- * know we actually allocated a full page. Otherwise, if the
- * data buffer is too small, allocate a temporary buffer so we
- * don't have to worry about overruns in all our INQUIRY
- * emulation handling.
- */
- if (cmd->data_length < SE_INQUIRY_BUF &&
- (cmd->se_cmd_flags & SCF_PASSTHROUGH_SG_TO_MEM_NOALLOC)) {
- buf = kzalloc(SE_INQUIRY_BUF, GFP_KERNEL);
- if (!buf) {
- transport_kunmap_data_sg(cmd);
- cmd->scsi_sense_reason = TCM_LOGICAL_UNIT_COMMUNICATION_FAILURE;
- return -ENOMEM;
- }
- } else {
- buf = map_buf;
- }
-
if (dev == tpg->tpg_virt_lun0.lun_se_dev)
buf[0] = 0x3f; /* Not connected */
else
@@ -655,11 +636,11 @@ static int spc_emulate_inquiry(struct se_cmd *cmd)
ret = -EINVAL;
out:
- if (buf != map_buf) {
- memcpy(map_buf, buf, cmd->data_length);
- kfree(buf);
+ rbuf = transport_kmap_data_sg(cmd);
+ if (rbuf) {
+ memcpy(rbuf, buf, min_t(u32, sizeof(buf), cmd->data_length));
+ transport_kunmap_data_sg(cmd);
}
- transport_kunmap_data_sg(cmd);
if (!ret)
target_complete_cmd(cmd, GOOD);
@@ -803,7 +784,7 @@ static int spc_emulate_modesense(struct se_cmd *cmd)
unsigned char *rbuf;
int type = dev->transport->get_device_type(dev);
int ten = (cmd->t_task_cdb[0] == MODE_SENSE_10);
- int offset = ten ? 8 : 4;
+ u32 offset = ten ? 8 : 4;
int length = 0;
unsigned char buf[SE_MODE_PAGE_BUF];
@@ -836,6 +817,7 @@ static int spc_emulate_modesense(struct se_cmd *cmd)
offset -= 2;
buf[0] = (offset >> 8) & 0xff;
buf[1] = offset & 0xff;
+ offset += 2;
if ((cmd->se_lun->lun_access & TRANSPORT_LUNFLAGS_READ_ONLY) ||
(cmd->se_deve &&
@@ -845,13 +827,10 @@ static int spc_emulate_modesense(struct se_cmd *cmd)
if ((dev->se_sub_dev->se_dev_attrib.emulate_write_cache > 0) &&
(dev->se_sub_dev->se_dev_attrib.emulate_fua_write > 0))
spc_modesense_dpofua(&buf[3], type);
-
- if ((offset + 2) > cmd->data_length)
- offset = cmd->data_length;
-
} else {
offset -= 1;
buf[0] = offset & 0xff;
+ offset += 1;
if ((cmd->se_lun->lun_access & TRANSPORT_LUNFLAGS_READ_ONLY) ||
(cmd->se_deve &&
@@ -861,14 +840,13 @@ static int spc_emulate_modesense(struct se_cmd *cmd)
if ((dev->se_sub_dev->se_dev_attrib.emulate_write_cache > 0) &&
(dev->se_sub_dev->se_dev_attrib.emulate_fua_write > 0))
spc_modesense_dpofua(&buf[2], type);
-
- if ((offset + 1) > cmd->data_length)
- offset = cmd->data_length;
}
rbuf = transport_kmap_data_sg(cmd);
- memcpy(rbuf, buf, offset);
- transport_kunmap_data_sg(cmd);
+ if (rbuf) {
+ memcpy(rbuf, buf, min(offset, cmd->data_length));
+ transport_kunmap_data_sg(cmd);
+ }
target_complete_cmd(cmd, GOOD);
return 0;
diff --git a/drivers/tty/vt/vt.c b/drivers/tty/vt/vt.c
index 84cbf29..a13f7e1 100644
--- a/drivers/tty/vt/vt.c
+++ b/drivers/tty/vt/vt.c
@@ -3475,6 +3475,19 @@ int con_debug_enter(struct vc_data *vc)
kdb_set(2, setargs);
}
}
+ if (vc->vc_cols < 999) {
+ int colcount;
+ char cols[4];
+ const char *setargs[3] = {
+ "set",
+ "COLUMNS",
+ cols,
+ };
+ if (kdbgetintenv(setargs[0], &colcount)) {
+ snprintf(cols, 4, "%i", vc->vc_cols);
+ kdb_set(2, setargs);
+ }
+ }
#endif /* CONFIG_KGDB_KDB */
return ret;
}
diff --git a/drivers/usb/class/cdc-acm.c b/drivers/usb/class/cdc-acm.c
index f763ed7..e8007b8 100644
--- a/drivers/usb/class/cdc-acm.c
+++ b/drivers/usb/class/cdc-acm.c
@@ -1551,6 +1551,9 @@ static const struct usb_device_id acm_ids[] = {
Maybe we should define a new
quirk for this. */
},
+ { USB_DEVICE(0x0572, 0x1340), /* Conexant CX93010-2x UCMxx */
+ .driver_info = NO_UNION_NORMAL,
+ },
{ USB_DEVICE(0x1bbb, 0x0003), /* Alcatel OT-I650 */
.driver_info = NO_UNION_NORMAL, /* reports zero length descriptor */
},
diff --git a/drivers/usb/gadget/at91_udc.c b/drivers/usb/gadget/at91_udc.c
index 1e35963..660fd53 100644
--- a/drivers/usb/gadget/at91_udc.c
+++ b/drivers/usb/gadget/at91_udc.c
@@ -1699,7 +1699,7 @@ static int __devinit at91udc_probe(struct platform_device *pdev)
int retval;
struct resource *res;
- if (!dev->platform_data) {
+ if (!dev->platform_data && !pdev->dev.of_node) {
/* small (so we copy it) but critical! */
DBG("missing platform_data\n");
return -ENODEV;
diff --git a/drivers/vfio/pci/vfio_pci_intrs.c b/drivers/vfio/pci/vfio_pci_intrs.c
index d8dedc7..3639371 100644
--- a/drivers/vfio/pci/vfio_pci_intrs.c
+++ b/drivers/vfio/pci/vfio_pci_intrs.c
@@ -366,6 +366,17 @@ static int vfio_intx_enable(struct vfio_pci_device *vdev)
return -ENOMEM;
vdev->num_ctx = 1;
+
+ /*
+ * If the virtual interrupt is masked, restore it. Devices
+ * supporting DisINTx can be masked at the hardware level
+ * here, non-PCI-2.3 devices will have to wait until the
+ * interrupt is enabled.
+ */
+ vdev->ctx[0].masked = vdev->virq_disabled;
+ if (vdev->pci_2_3)
+ pci_intx(vdev->pdev, !vdev->ctx[0].masked);
+
vdev->irq_type = VFIO_PCI_INTX_IRQ_INDEX;
return 0;
@@ -400,25 +411,26 @@ static int vfio_intx_set_signal(struct vfio_pci_device *vdev, int fd)
return PTR_ERR(trigger);
}
+ vdev->ctx[0].trigger = trigger;
+
if (!vdev->pci_2_3)
irqflags = 0;
ret = request_irq(pdev->irq, vfio_intx_handler,
irqflags, vdev->ctx[0].name, vdev);
if (ret) {
+ vdev->ctx[0].trigger = NULL;
kfree(vdev->ctx[0].name);
eventfd_ctx_put(trigger);
return ret;
}
- vdev->ctx[0].trigger = trigger;
-
/*
* INTx disable will stick across the new irq setup,
* disable_irq won't.
*/
spin_lock_irqsave(&vdev->irqlock, flags);
- if (!vdev->pci_2_3 && (vdev->ctx[0].masked || vdev->virq_disabled))
+ if (!vdev->pci_2_3 && vdev->ctx[0].masked)
disable_irq_nosync(pdev->irq);
spin_unlock_irqrestore(&vdev->irqlock, flags);
diff --git a/drivers/video/udlfb.c b/drivers/video/udlfb.c
index 8af6414..38fcfff 100644
--- a/drivers/video/udlfb.c
+++ b/drivers/video/udlfb.c
@@ -647,7 +647,7 @@ static ssize_t dlfb_ops_write(struct fb_info *info, const char __user *buf,
result = fb_sys_write(info, buf, count, ppos);
if (result > 0) {
- int start = max((int)(offset / info->fix.line_length) - 1, 0);
+ int start = max((int)(offset / info->fix.line_length), 0);
int lines = min((u32)((result / info->fix.line_length) + 1),
(u32)info->var.yres);
diff --git a/drivers/video/via/via_clock.c b/drivers/video/via/via_clock.c
index af8f26b..db1e392 100644
--- a/drivers/video/via/via_clock.c
+++ b/drivers/video/via/via_clock.c
@@ -25,6 +25,7 @@
#include <linux/kernel.h>
#include <linux/via-core.h>
+#include <asm/olpc.h>
#include "via_clock.h"
#include "global.h"
#include "debug.h"
@@ -289,6 +290,10 @@ static void dummy_set_pll(struct via_pll_config config)
printk(KERN_INFO "Using undocumented set PLL.\n%s", via_slap);
}
+static void noop_set_clock_state(u8 state)
+{
+}
+
void via_clock_init(struct via_clock *clock, int gfx_chip)
{
switch (gfx_chip) {
@@ -346,4 +351,18 @@ void via_clock_init(struct via_clock *clock, int gfx_chip)
break;
}
+
+ if (machine_is_olpc()) {
+ /* The OLPC XO-1.5 cannot suspend/resume reliably if the
+ * IGA1/IGA2 clocks are set as on or off (memory rot
+ * occasionally happens during suspend under such
+ * configurations).
+ *
+ * The only known stable scenario is to leave this bits as-is,
+ * which in their default states are documented to enable the
+ * clock only when it is needed.
+ */
+ clock->set_primary_clock_state = noop_set_clock_state;
+ clock->set_secondary_clock_state = noop_set_clock_state;
+ }
}
diff --git a/drivers/xen/xenbus/xenbus_xs.c b/drivers/xen/xenbus/xenbus_xs.c
index bce15cf..ca373d1 100644
--- a/drivers/xen/xenbus/xenbus_xs.c
+++ b/drivers/xen/xenbus/xenbus_xs.c
@@ -47,6 +47,7 @@
#include <xen/xenbus.h>
#include <xen/xen.h>
#include "xenbus_comms.h"
+#include <asm/xen/hypervisor.h>
struct xs_stored_msg {
struct list_head list;
@@ -617,7 +618,24 @@ static struct xenbus_watch *find_watch(const char *token)
return NULL;
}
+/*
+ * Certain older XenBus toolstack cannot handle reading values that are
+ * not populated. Some Xen 3.4 installation are incapable of doing this
+ * so if we are running on anything older than 4 do not attempt to read
+ * control/platform-feature-xs_reset_watches.
+ */
+static bool xen_strict_xenbus_quirk()
+{
+ uint32_t eax, ebx, ecx, edx, base;
+
+ base = xen_cpuid_base();
+ cpuid(base + 1, &eax, &ebx, &ecx, &edx);
+ if ((eax >> 16) < 4)
+ return true;
+ return false;
+
+}
static void xs_reset_watches(void)
{
int err, supported = 0;
@@ -625,6 +643,9 @@ static void xs_reset_watches(void)
if (!xen_hvm_domain())
return;
+ if (xen_strict_xenbus_quirk())
+ return;
+
err = xenbus_scanf(XBT_NIL, "control",
"platform-feature-xs_reset_watches", "%d", &supported);
if (err != 1 || !supported)
diff --git a/fs/autofs4/root.c b/fs/autofs4/root.c
index e7396cf..91b1165 100644
--- a/fs/autofs4/root.c
+++ b/fs/autofs4/root.c
@@ -392,10 +392,12 @@ static struct vfsmount *autofs4_d_automount(struct path *path)
ino->flags |= AUTOFS_INF_PENDING;
spin_unlock(&sbi->fs_lock);
status = autofs4_mount_wait(dentry);
- if (status)
- return ERR_PTR(status);
spin_lock(&sbi->fs_lock);
ino->flags &= ~AUTOFS_INF_PENDING;
+ if (status) {
+ spin_unlock(&sbi->fs_lock);
+ return ERR_PTR(status);
+ }
}
done:
if (!(ino->flags & AUTOFS_INF_EXPIRING)) {
diff --git a/fs/ceph/export.c b/fs/ceph/export.c
index 8e1b60e..02ce909 100644
--- a/fs/ceph/export.c
+++ b/fs/ceph/export.c
@@ -99,7 +99,7 @@ static int ceph_encode_fh(struct inode *inode, u32 *rawfh, int *max_len,
* FIXME: we should try harder by querying the mds for the ino.
*/
static struct dentry *__fh_to_dentry(struct super_block *sb,
- struct ceph_nfs_fh *fh)
+ struct ceph_nfs_fh *fh, int fh_len)
{
struct ceph_mds_client *mdsc = ceph_sb_to_client(sb)->mdsc;
struct inode *inode;
@@ -107,6 +107,9 @@ static struct dentry *__fh_to_dentry(struct super_block *sb,
struct ceph_vino vino;
int err;
+ if (fh_len < sizeof(*fh) / 4)
+ return ERR_PTR(-ESTALE);
+
dout("__fh_to_dentry %llx\n", fh->ino);
vino.ino = fh->ino;
vino.snap = CEPH_NOSNAP;
@@ -150,7 +153,7 @@ static struct dentry *__fh_to_dentry(struct super_block *sb,
* convert connectable fh to dentry
*/
static struct dentry *__cfh_to_dentry(struct super_block *sb,
- struct ceph_nfs_confh *cfh)
+ struct ceph_nfs_confh *cfh, int fh_len)
{
struct ceph_mds_client *mdsc = ceph_sb_to_client(sb)->mdsc;
struct inode *inode;
@@ -158,6 +161,9 @@ static struct dentry *__cfh_to_dentry(struct super_block *sb,
struct ceph_vino vino;
int err;
+ if (fh_len < sizeof(*cfh) / 4)
+ return ERR_PTR(-ESTALE);
+
dout("__cfh_to_dentry %llx (%llx/%x)\n",
cfh->ino, cfh->parent_ino, cfh->parent_name_hash);
@@ -207,9 +213,11 @@ static struct dentry *ceph_fh_to_dentry(struct super_block *sb, struct fid *fid,
int fh_len, int fh_type)
{
if (fh_type == 1)
- return __fh_to_dentry(sb, (struct ceph_nfs_fh *)fid->raw);
+ return __fh_to_dentry(sb, (struct ceph_nfs_fh *)fid->raw,
+ fh_len);
else
- return __cfh_to_dentry(sb, (struct ceph_nfs_confh *)fid->raw);
+ return __cfh_to_dentry(sb, (struct ceph_nfs_confh *)fid->raw,
+ fh_len);
}
/*
@@ -230,6 +238,8 @@ static struct dentry *ceph_fh_to_parent(struct super_block *sb,
if (fh_type == 1)
return ERR_PTR(-ESTALE);
+ if (fh_len < sizeof(*cfh) / 4)
+ return ERR_PTR(-ESTALE);
pr_debug("fh_to_parent %llx/%d\n", cfh->parent_ino,
cfh->parent_name_hash);
diff --git a/fs/gfs2/export.c b/fs/gfs2/export.c
index e8ed6d4..4767774 100644
--- a/fs/gfs2/export.c
+++ b/fs/gfs2/export.c
@@ -161,6 +161,8 @@ static struct dentry *gfs2_fh_to_dentry(struct super_block *sb, struct fid *fid,
case GFS2_SMALL_FH_SIZE:
case GFS2_LARGE_FH_SIZE:
case GFS2_OLD_FH_SIZE:
+ if (fh_len < GFS2_SMALL_FH_SIZE)
+ return NULL;
this.no_formal_ino = ((u64)be32_to_cpu(fh[0])) << 32;
this.no_formal_ino |= be32_to_cpu(fh[1]);
this.no_addr = ((u64)be32_to_cpu(fh[2])) << 32;
@@ -180,6 +182,8 @@ static struct dentry *gfs2_fh_to_parent(struct super_block *sb, struct fid *fid,
switch (fh_type) {
case GFS2_LARGE_FH_SIZE:
case GFS2_OLD_FH_SIZE:
+ if (fh_len < GFS2_LARGE_FH_SIZE)
+ return NULL;
parent.no_formal_ino = ((u64)be32_to_cpu(fh[4])) << 32;
parent.no_formal_ino |= be32_to_cpu(fh[5]);
parent.no_addr = ((u64)be32_to_cpu(fh[6])) << 32;
diff --git a/fs/isofs/export.c b/fs/isofs/export.c
index 1d38044..2b4f235 100644
--- a/fs/isofs/export.c
+++ b/fs/isofs/export.c
@@ -175,7 +175,7 @@ static struct dentry *isofs_fh_to_parent(struct super_block *sb,
{
struct isofs_fid *ifid = (struct isofs_fid *)fid;
- if (fh_type != 2)
+ if (fh_len < 2 || fh_type != 2)
return NULL;
return isofs_export_iget(sb,
diff --git a/fs/jbd/commit.c b/fs/jbd/commit.c
index 52c15c7..86b39b1 100644
--- a/fs/jbd/commit.c
+++ b/fs/jbd/commit.c
@@ -86,7 +86,12 @@ nope:
static void release_data_buffer(struct buffer_head *bh)
{
if (buffer_freed(bh)) {
+ WARN_ON_ONCE(buffer_dirty(bh));
clear_buffer_freed(bh);
+ clear_buffer_mapped(bh);
+ clear_buffer_new(bh);
+ clear_buffer_req(bh);
+ bh->b_bdev = NULL;
release_buffer_page(bh);
} else
put_bh(bh);
@@ -866,17 +871,35 @@ restart_loop:
* there's no point in keeping a checkpoint record for
* it. */
- /* A buffer which has been freed while still being
- * journaled by a previous transaction may end up still
- * being dirty here, but we want to avoid writing back
- * that buffer in the future after the "add to orphan"
- * operation been committed, That's not only a performance
- * gain, it also stops aliasing problems if the buffer is
- * left behind for writeback and gets reallocated for another
- * use in a different page. */
- if (buffer_freed(bh) && !jh->b_next_transaction) {
- clear_buffer_freed(bh);
- clear_buffer_jbddirty(bh);
+ /*
+ * A buffer which has been freed while still being journaled by
+ * a previous transaction.
+ */
+ if (buffer_freed(bh)) {
+ /*
+ * If the running transaction is the one containing
+ * "add to orphan" operation (b_next_transaction !=
+ * NULL), we have to wait for that transaction to
+ * commit before we can really get rid of the buffer.
+ * So just clear b_modified to not confuse transaction
+ * credit accounting and refile the buffer to
+ * BJ_Forget of the running transaction. If the just
+ * committed transaction contains "add to orphan"
+ * operation, we can completely invalidate the buffer
+ * now. We are rather throughout in that since the
+ * buffer may be still accessible when blocksize <
+ * pagesize and it is attached to the last partial
+ * page.
+ */
+ jh->b_modified = 0;
+ if (!jh->b_next_transaction) {
+ clear_buffer_freed(bh);
+ clear_buffer_jbddirty(bh);
+ clear_buffer_mapped(bh);
+ clear_buffer_new(bh);
+ clear_buffer_req(bh);
+ bh->b_bdev = NULL;
+ }
}
if (buffer_jbddirty(bh)) {
diff --git a/fs/jbd/transaction.c b/fs/jbd/transaction.c
index febc10d..78b7f84 100644
--- a/fs/jbd/transaction.c
+++ b/fs/jbd/transaction.c
@@ -1843,15 +1843,16 @@ static int __dispose_buffer(struct journal_head *jh, transaction_t *transaction)
* We're outside-transaction here. Either or both of j_running_transaction
* and j_committing_transaction may be NULL.
*/
-static int journal_unmap_buffer(journal_t *journal, struct buffer_head *bh)
+static int journal_unmap_buffer(journal_t *journal, struct buffer_head *bh,
+ int partial_page)
{
transaction_t *transaction;
struct journal_head *jh;
int may_free = 1;
- int ret;
BUFFER_TRACE(bh, "entry");
+retry:
/*
* It is safe to proceed here without the j_list_lock because the
* buffers cannot be stolen by try_to_free_buffers as long as we are
@@ -1879,10 +1880,18 @@ static int journal_unmap_buffer(journal_t *journal, struct buffer_head *bh)
* clear the buffer dirty bit at latest at the moment when the
* transaction marking the buffer as freed in the filesystem
* structures is committed because from that moment on the
- * buffer can be reallocated and used by a different page.
+ * block can be reallocated and used by a different page.
* Since the block hasn't been freed yet but the inode has
* already been added to orphan list, it is safe for us to add
* the buffer to BJ_Forget list of the newest transaction.
+ *
+ * Also we have to clear buffer_mapped flag of a truncated buffer
+ * because the buffer_head may be attached to the page straddling
+ * i_size (can happen only when blocksize < pagesize) and thus the
+ * buffer_head can be reused when the file is extended again. So we end
+ * up keeping around invalidated buffers attached to transactions'
+ * BJ_Forget list just to stop checkpointing code from cleaning up
+ * the transaction this buffer was modified in.
*/
transaction = jh->b_transaction;
if (transaction == NULL) {
@@ -1909,13 +1918,9 @@ static int journal_unmap_buffer(journal_t *journal, struct buffer_head *bh)
* committed, the buffer won't be needed any
* longer. */
JBUFFER_TRACE(jh, "checkpointed: add to BJ_Forget");
- ret = __dispose_buffer(jh,
+ may_free = __dispose_buffer(jh,
journal->j_running_transaction);
- journal_put_journal_head(jh);
- spin_unlock(&journal->j_list_lock);
- jbd_unlock_bh_state(bh);
- spin_unlock(&journal->j_state_lock);
- return ret;
+ goto zap_buffer;
} else {
/* There is no currently-running transaction. So the
* orphan record which we wrote for this file must have
@@ -1923,13 +1928,9 @@ static int journal_unmap_buffer(journal_t *journal, struct buffer_head *bh)
* the committing transaction, if it exists. */
if (journal->j_committing_transaction) {
JBUFFER_TRACE(jh, "give to committing trans");
- ret = __dispose_buffer(jh,
+ may_free = __dispose_buffer(jh,
journal->j_committing_transaction);
- journal_put_journal_head(jh);
- spin_unlock(&journal->j_list_lock);
- jbd_unlock_bh_state(bh);
- spin_unlock(&journal->j_state_lock);
- return ret;
+ goto zap_buffer;
} else {
/* The orphan record's transaction has
* committed. We can cleanse this buffer */
@@ -1950,10 +1951,24 @@ static int journal_unmap_buffer(journal_t *journal, struct buffer_head *bh)
}
/*
* The buffer is committing, we simply cannot touch
- * it. So we just set j_next_transaction to the
- * running transaction (if there is one) and mark
- * buffer as freed so that commit code knows it should
- * clear dirty bits when it is done with the buffer.
+ * it. If the page is straddling i_size we have to wait
+ * for commit and try again.
+ */
+ if (partial_page) {
+ tid_t tid = journal->j_committing_transaction->t_tid;
+
+ journal_put_journal_head(jh);
+ spin_unlock(&journal->j_list_lock);
+ jbd_unlock_bh_state(bh);
+ spin_unlock(&journal->j_state_lock);
+ log_wait_commit(journal, tid);
+ goto retry;
+ }
+ /*
+ * OK, buffer won't be reachable after truncate. We just set
+ * j_next_transaction to the running transaction (if there is
+ * one) and mark buffer as freed so that commit code knows it
+ * should clear dirty bits when it is done with the buffer.
*/
set_buffer_freed(bh);
if (journal->j_running_transaction && buffer_jbddirty(bh))
@@ -1976,6 +1991,14 @@ static int journal_unmap_buffer(journal_t *journal, struct buffer_head *bh)
}
zap_buffer:
+ /*
+ * This is tricky. Although the buffer is truncated, it may be reused
+ * if blocksize < pagesize and it is attached to the page straddling
+ * EOF. Since the buffer might have been added to BJ_Forget list of the
+ * running transaction, journal_get_write_access() won't clear
+ * b_modified and credit accounting gets confused. So clear b_modified
+ * here. */
+ jh->b_modified = 0;
journal_put_journal_head(jh);
zap_buffer_no_jh:
spin_unlock(&journal->j_list_lock);
@@ -2024,7 +2047,8 @@ void journal_invalidatepage(journal_t *journal,
if (offset <= curr_off) {
/* This block is wholly outside the truncation point */
lock_buffer(bh);
- may_free &= journal_unmap_buffer(journal, bh);
+ may_free &= journal_unmap_buffer(journal, bh,
+ offset > 0);
unlock_buffer(bh);
}
curr_off = next_off;
diff --git a/fs/lockd/mon.c b/fs/lockd/mon.c
index 7ef14b3..e4fb3ba 100644
--- a/fs/lockd/mon.c
+++ b/fs/lockd/mon.c
@@ -7,7 +7,6 @@
*/
#include <linux/types.h>
-#include <linux/utsname.h>
#include <linux/kernel.h>
#include <linux/ktime.h>
#include <linux/slab.h>
@@ -19,6 +18,8 @@
#include <asm/unaligned.h>
+#include "netns.h"
+
#define NLMDBG_FACILITY NLMDBG_MONITOR
#define NSM_PROGRAM 100024
#define NSM_VERSION 1
@@ -40,6 +41,7 @@ struct nsm_args {
u32 proc;
char *mon_name;
+ char *nodename;
};
struct nsm_res {
@@ -70,7 +72,7 @@ static struct rpc_clnt *nsm_create(struct net *net)
};
struct rpc_create_args args = {
.net = net,
- .protocol = XPRT_TRANSPORT_UDP,
+ .protocol = XPRT_TRANSPORT_TCP,
.address = (struct sockaddr *)&sin,
.addrsize = sizeof(sin),
.servername = "rpc.statd",
@@ -83,10 +85,54 @@ static struct rpc_clnt *nsm_create(struct net *net)
return rpc_create(&args);
}
-static int nsm_mon_unmon(struct nsm_handle *nsm, u32 proc, struct nsm_res *res,
- struct net *net)
+static struct rpc_clnt *nsm_client_get(struct net *net)
{
+ static DEFINE_MUTEX(nsm_create_mutex);
struct rpc_clnt *clnt;
+ struct lockd_net *ln = net_generic(net, lockd_net_id);
+
+ spin_lock(&ln->nsm_clnt_lock);
+ if (ln->nsm_users) {
+ ln->nsm_users++;
+ clnt = ln->nsm_clnt;
+ spin_unlock(&ln->nsm_clnt_lock);
+ goto out;
+ }
+ spin_unlock(&ln->nsm_clnt_lock);
+
+ mutex_lock(&nsm_create_mutex);
+ clnt = nsm_create(net);
+ if (!IS_ERR(clnt)) {
+ ln->nsm_clnt = clnt;
+ smp_wmb();
+ ln->nsm_users = 1;
+ }
+ mutex_unlock(&nsm_create_mutex);
+out:
+ return clnt;
+}
+
+static void nsm_client_put(struct net *net)
+{
+ struct lockd_net *ln = net_generic(net, lockd_net_id);
+ struct rpc_clnt *clnt = ln->nsm_clnt;
+ int shutdown = 0;
+
+ spin_lock(&ln->nsm_clnt_lock);
+ if (ln->nsm_users) {
+ if (--ln->nsm_users)
+ ln->nsm_clnt = NULL;
+ shutdown = !ln->nsm_users;
+ }
+ spin_unlock(&ln->nsm_clnt_lock);
+
+ if (shutdown)
+ rpc_shutdown_client(clnt);
+}
+
+static int nsm_mon_unmon(struct nsm_handle *nsm, u32 proc, struct nsm_res *res,
+ struct rpc_clnt *clnt)
+{
int status;
struct nsm_args args = {
.priv = &nsm->sm_priv,
@@ -94,31 +140,24 @@ static int nsm_mon_unmon(struct nsm_handle *nsm, u32 proc, struct nsm_res *res,
.vers = 3,
.proc = NLMPROC_NSM_NOTIFY,
.mon_name = nsm->sm_mon_name,
+ .nodename = clnt->cl_nodename,
};
struct rpc_message msg = {
.rpc_argp = &args,
.rpc_resp = res,
};
- clnt = nsm_create(net);
- if (IS_ERR(clnt)) {
- status = PTR_ERR(clnt);
- dprintk("lockd: failed to create NSM upcall transport, "
- "status=%d\n", status);
- goto out;
- }
+ BUG_ON(clnt == NULL);
memset(res, 0, sizeof(*res));
msg.rpc_proc = &clnt->cl_procinfo[proc];
- status = rpc_call_sync(clnt, &msg, 0);
+ status = rpc_call_sync(clnt, &msg, RPC_TASK_SOFTCONN);
if (status < 0)
dprintk("lockd: NSM upcall RPC failed, status=%d\n",
status);
else
status = 0;
- rpc_shutdown_client(clnt);
- out:
return status;
}
@@ -138,6 +177,7 @@ int nsm_monitor(const struct nlm_host *host)
struct nsm_handle *nsm = host->h_nsmhandle;
struct nsm_res res;
int status;
+ struct rpc_clnt *clnt;
dprintk("lockd: nsm_monitor(%s)\n", nsm->sm_name);
@@ -150,7 +190,15 @@ int nsm_monitor(const struct nlm_host *host)
*/
nsm->sm_mon_name = nsm_use_hostnames ? nsm->sm_name : nsm->sm_addrbuf;
- status = nsm_mon_unmon(nsm, NSMPROC_MON, &res, host->net);
+ clnt = nsm_client_get(host->net);
+ if (IS_ERR(clnt)) {
+ status = PTR_ERR(clnt);
+ dprintk("lockd: failed to create NSM upcall transport, "
+ "status=%d, net=%p\n", status, host->net);
+ return status;
+ }
+
+ status = nsm_mon_unmon(nsm, NSMPROC_MON, &res, clnt);
if (unlikely(res.status != 0))
status = -EIO;
if (unlikely(status < 0)) {
@@ -182,9 +230,11 @@ void nsm_unmonitor(const struct nlm_host *host)
if (atomic_read(&nsm->sm_count) == 1
&& nsm->sm_monitored && !nsm->sm_sticky) {
+ struct lockd_net *ln = net_generic(host->net, lockd_net_id);
+
dprintk("lockd: nsm_unmonitor(%s)\n", nsm->sm_name);
- status = nsm_mon_unmon(nsm, NSMPROC_UNMON, &res, host->net);
+ status = nsm_mon_unmon(nsm, NSMPROC_UNMON, &res, ln->nsm_clnt);
if (res.status != 0)
status = -EIO;
if (status < 0)
@@ -192,6 +242,8 @@ void nsm_unmonitor(const struct nlm_host *host)
nsm->sm_name);
else
nsm->sm_monitored = 0;
+
+ nsm_client_put(host->net);
}
}
@@ -430,7 +482,7 @@ static void encode_my_id(struct xdr_stream *xdr, const struct nsm_args *argp)
{
__be32 *p;
- encode_nsm_string(xdr, utsname()->nodename);
+ encode_nsm_string(xdr, argp->nodename);
p = xdr_reserve_space(xdr, 4 + 4 + 4);
*p++ = cpu_to_be32(argp->prog);
*p++ = cpu_to_be32(argp->vers);
diff --git a/fs/lockd/netns.h b/fs/lockd/netns.h
index 4eee248..5010b55 100644
--- a/fs/lockd/netns.h
+++ b/fs/lockd/netns.h
@@ -12,6 +12,10 @@ struct lockd_net {
struct delayed_work grace_period_end;
struct lock_manager lockd_manager;
struct list_head grace_list;
+
+ spinlock_t nsm_clnt_lock;
+ unsigned int nsm_users;
+ struct rpc_clnt *nsm_clnt;
};
extern int lockd_net_id;
diff --git a/fs/lockd/svc.c b/fs/lockd/svc.c
index 31a63f8..7e35587 100644
--- a/fs/lockd/svc.c
+++ b/fs/lockd/svc.c
@@ -596,6 +596,7 @@ static int lockd_init_net(struct net *net)
INIT_DELAYED_WORK(&ln->grace_period_end, grace_ender);
INIT_LIST_HEAD(&ln->grace_list);
+ spin_lock_init(&ln->nsm_clnt_lock);
return 0;
}
diff --git a/fs/namei.c b/fs/namei.c
index dd1ed1b..81bd546 100644
--- a/fs/namei.c
+++ b/fs/namei.c
@@ -692,9 +692,9 @@ static inline int may_follow_link(struct path *link, struct nameidata *nd)
if (parent->i_uid == inode->i_uid)
return 0;
+ audit_log_link_denied("follow_link", link);
path_put_conditional(link, nd);
path_put(&nd->path);
- audit_log_link_denied("follow_link", link);
return -EACCES;
}
diff --git a/fs/nfs/blocklayout/blocklayout.c b/fs/nfs/blocklayout/blocklayout.c
index dd392ed..f3d16ad 100644
--- a/fs/nfs/blocklayout/blocklayout.c
+++ b/fs/nfs/blocklayout/blocklayout.c
@@ -162,25 +162,39 @@ static struct bio *bl_alloc_init_bio(int npg, sector_t isect,
return bio;
}
-static struct bio *bl_add_page_to_bio(struct bio *bio, int npg, int rw,
+static struct bio *do_add_page_to_bio(struct bio *bio, int npg, int rw,
sector_t isect, struct page *page,
struct pnfs_block_extent *be,
void (*end_io)(struct bio *, int err),
- struct parallel_io *par)
+ struct parallel_io *par,
+ unsigned int offset, int len)
{
+ isect = isect + (offset >> SECTOR_SHIFT);
+ dprintk("%s: npg %d rw %d isect %llu offset %u len %d\n", __func__,
+ npg, rw, (unsigned long long)isect, offset, len);
retry:
if (!bio) {
bio = bl_alloc_init_bio(npg, isect, be, end_io, par);
if (!bio)
return ERR_PTR(-ENOMEM);
}
- if (bio_add_page(bio, page, PAGE_CACHE_SIZE, 0) < PAGE_CACHE_SIZE) {
+ if (bio_add_page(bio, page, len, offset) < len) {
bio = bl_submit_bio(rw, bio);
goto retry;
}
return bio;
}
+static struct bio *bl_add_page_to_bio(struct bio *bio, int npg, int rw,
+ sector_t isect, struct page *page,
+ struct pnfs_block_extent *be,
+ void (*end_io)(struct bio *, int err),
+ struct parallel_io *par)
+{
+ return do_add_page_to_bio(bio, npg, rw, isect, page, be,
+ end_io, par, 0, PAGE_CACHE_SIZE);
+}
+
/* This is basically copied from mpage_end_io_read */
static void bl_end_io_read(struct bio *bio, int err)
{
@@ -461,6 +475,106 @@ map_block(struct buffer_head *bh, sector_t isect, struct pnfs_block_extent *be)
return;
}
+static void
+bl_read_single_end_io(struct bio *bio, int error)
+{
+ struct bio_vec *bvec = bio->bi_io_vec + bio->bi_vcnt - 1;
+ struct page *page = bvec->bv_page;
+
+ /* Only one page in bvec */
+ unlock_page(page);
+}
+
+static int
+bl_do_readpage_sync(struct page *page, struct pnfs_block_extent *be,
+ unsigned int offset, unsigned int len)
+{
+ struct bio *bio;
+ struct page *shadow_page;
+ sector_t isect;
+ char *kaddr, *kshadow_addr;
+ int ret = 0;
+
+ dprintk("%s: offset %u len %u\n", __func__, offset, len);
+
+ shadow_page = alloc_page(GFP_NOFS | __GFP_HIGHMEM);
+ if (shadow_page == NULL)
+ return -ENOMEM;
+
+ bio = bio_alloc(GFP_NOIO, 1);
+ if (bio == NULL)
+ return -ENOMEM;
+
+ isect = (page->index << PAGE_CACHE_SECTOR_SHIFT) +
+ (offset / SECTOR_SIZE);
+
+ bio->bi_sector = isect - be->be_f_offset + be->be_v_offset;
+ bio->bi_bdev = be->be_mdev;
+ bio->bi_end_io = bl_read_single_end_io;
+
+ lock_page(shadow_page);
+ if (bio_add_page(bio, shadow_page,
+ SECTOR_SIZE, round_down(offset, SECTOR_SIZE)) == 0) {
+ unlock_page(shadow_page);
+ bio_put(bio);
+ return -EIO;
+ }
+
+ submit_bio(READ, bio);
+ wait_on_page_locked(shadow_page);
+ if (unlikely(!test_bit(BIO_UPTODATE, &bio->bi_flags))) {
+ ret = -EIO;
+ } else {
+ kaddr = kmap_atomic(page);
+ kshadow_addr = kmap_atomic(shadow_page);
+ memcpy(kaddr + offset, kshadow_addr + offset, len);
+ kunmap_atomic(kshadow_addr);
+ kunmap_atomic(kaddr);
+ }
+ __free_page(shadow_page);
+ bio_put(bio);
+
+ return ret;
+}
+
+static int
+bl_read_partial_page_sync(struct page *page, struct pnfs_block_extent *be,
+ unsigned int dirty_offset, unsigned int dirty_len,
+ bool full_page)
+{
+ int ret = 0;
+ unsigned int start, end;
+
+ if (full_page) {
+ start = 0;
+ end = PAGE_CACHE_SIZE;
+ } else {
+ start = round_down(dirty_offset, SECTOR_SIZE);
+ end = round_up(dirty_offset + dirty_len, SECTOR_SIZE);
+ }
+
+ dprintk("%s: offset %u len %d\n", __func__, dirty_offset, dirty_len);
+ if (!be) {
+ zero_user_segments(page, start, dirty_offset,
+ dirty_offset + dirty_len, end);
+ if (start == 0 && end == PAGE_CACHE_SIZE &&
+ trylock_page(page)) {
+ SetPageUptodate(page);
+ unlock_page(page);
+ }
+ return ret;
+ }
+
+ if (start != dirty_offset)
+ ret = bl_do_readpage_sync(page, be, start, dirty_offset - start);
+
+ if (!ret && (dirty_offset + dirty_len < end))
+ ret = bl_do_readpage_sync(page, be, dirty_offset + dirty_len,
+ end - dirty_offset - dirty_len);
+
+ return ret;
+}
+
/* Given an unmapped page, zero it or read in page for COW, page is locked
* by caller.
*/
@@ -494,7 +608,6 @@ init_page_for_write(struct page *page, struct pnfs_block_extent *cow_read)
SetPageUptodate(page);
cleanup:
- bl_put_extent(cow_read);
if (bh)
free_buffer_head(bh);
if (ret) {
@@ -566,6 +679,7 @@ bl_write_pagelist(struct nfs_write_data *wdata, int sync)
struct parallel_io *par = NULL;
loff_t offset = wdata->args.offset;
size_t count = wdata->args.count;
+ unsigned int pg_offset, pg_len, saved_len;
struct page **pages = wdata->args.pages;
struct page *page;
pgoff_t index;
@@ -674,10 +788,11 @@ next_page:
if (!extent_length) {
/* We've used up the previous extent */
bl_put_extent(be);
+ bl_put_extent(cow_read);
bio = bl_submit_bio(WRITE, bio);
/* Get the next one */
be = bl_find_get_extent(BLK_LSEG2EXT(header->lseg),
- isect, NULL);
+ isect, &cow_read);
if (!be || !is_writable(be, isect)) {
header->pnfs_error = -EINVAL;
goto out;
@@ -694,7 +809,26 @@ next_page:
extent_length = be->be_length -
(isect - be->be_f_offset);
}
- if (be->be_state == PNFS_BLOCK_INVALID_DATA) {
+
+ dprintk("%s offset %lld count %Zu\n", __func__, offset, count);
+ pg_offset = offset & ~PAGE_CACHE_MASK;
+ if (pg_offset + count > PAGE_CACHE_SIZE)
+ pg_len = PAGE_CACHE_SIZE - pg_offset;
+ else
+ pg_len = count;
+
+ saved_len = pg_len;
+ if (be->be_state == PNFS_BLOCK_INVALID_DATA &&
+ !bl_is_sector_init(be->be_inval, isect)) {
+ ret = bl_read_partial_page_sync(pages[i], cow_read,
+ pg_offset, pg_len, true);
+ if (ret) {
+ dprintk("%s bl_read_partial_page_sync fail %d\n",
+ __func__, ret);
+ header->pnfs_error = ret;
+ goto out;
+ }
+
ret = bl_mark_sectors_init(be->be_inval, isect,
PAGE_CACHE_SECTORS);
if (unlikely(ret)) {
@@ -703,15 +837,35 @@ next_page:
header->pnfs_error = ret;
goto out;
}
+
+ /* Expand to full page write */
+ pg_offset = 0;
+ pg_len = PAGE_CACHE_SIZE;
+ } else if ((pg_offset & (SECTOR_SIZE - 1)) ||
+ (pg_len & (SECTOR_SIZE - 1))){
+ /* ahh, nasty case. We have to do sync full sector
+ * read-modify-write cycles.
+ */
+ unsigned int saved_offset = pg_offset;
+ ret = bl_read_partial_page_sync(pages[i], be, pg_offset,
+ pg_len, false);
+ pg_offset = round_down(pg_offset, SECTOR_SIZE);
+ pg_len = round_up(saved_offset + pg_len, SECTOR_SIZE)
+ - pg_offset;
}
- bio = bl_add_page_to_bio(bio, wdata->pages.npages - i, WRITE,
+
+
+ bio = do_add_page_to_bio(bio, wdata->pages.npages - i, WRITE,
isect, pages[i], be,
- bl_end_io_write, par);
+ bl_end_io_write, par,
+ pg_offset, pg_len);
if (IS_ERR(bio)) {
header->pnfs_error = PTR_ERR(bio);
bio = NULL;
goto out;
}
+ offset += saved_len;
+ count -= saved_len;
isect += PAGE_CACHE_SECTORS;
last_isect = isect;
extent_length -= PAGE_CACHE_SECTORS;
@@ -729,17 +883,16 @@ next_page:
}
write_done:
- wdata->res.count = (last_isect << SECTOR_SHIFT) - (offset);
- if (count < wdata->res.count) {
- wdata->res.count = count;
- }
+ wdata->res.count = wdata->args.count;
out:
bl_put_extent(be);
+ bl_put_extent(cow_read);
bl_submit_bio(WRITE, bio);
put_parallel(par);
return PNFS_ATTEMPTED;
out_mds:
bl_put_extent(be);
+ bl_put_extent(cow_read);
kfree(par);
return PNFS_NOT_ATTEMPTED;
}
diff --git a/fs/nfs/blocklayout/blocklayout.h b/fs/nfs/blocklayout/blocklayout.h
index 0335069..39bb51a 100644
--- a/fs/nfs/blocklayout/blocklayout.h
+++ b/fs/nfs/blocklayout/blocklayout.h
@@ -41,6 +41,7 @@
#define PAGE_CACHE_SECTORS (PAGE_CACHE_SIZE >> SECTOR_SHIFT)
#define PAGE_CACHE_SECTOR_SHIFT (PAGE_CACHE_SHIFT - SECTOR_SHIFT)
+#define SECTOR_SIZE (1 << SECTOR_SHIFT)
struct block_mount_id {
spinlock_t bm_lock; /* protects list */
diff --git a/fs/nfs/client.c b/fs/nfs/client.c
index 9969444..0e7cd89 100644
--- a/fs/nfs/client.c
+++ b/fs/nfs/client.c
@@ -855,7 +855,6 @@ static void nfs_server_set_fsinfo(struct nfs_server *server,
if (server->wsize > NFS_MAX_FILE_IO_SIZE)
server->wsize = NFS_MAX_FILE_IO_SIZE;
server->wpages = (server->wsize + PAGE_CACHE_SIZE - 1) >> PAGE_CACHE_SHIFT;
- server->pnfs_blksize = fsinfo->blksize;
server->wtmult = nfs_block_bits(fsinfo->wtmult, NULL);
diff --git a/fs/nfs/nfs4proc.c b/fs/nfs/nfs4proc.c
index 1e50326..d5a0cf1 100644
--- a/fs/nfs/nfs4proc.c
+++ b/fs/nfs/nfs4proc.c
@@ -1774,7 +1774,11 @@ static void nfs41_clear_delegation_stateid(struct nfs4_state *state)
* informs us the stateid is unrecognized. */
if (status != -NFS4ERR_BAD_STATEID)
nfs41_free_stateid(server, stateid);
+ nfs_remove_bad_delegation(state->inode);
+ write_seqlock(&state->seqlock);
+ nfs4_stateid_copy(&state->stateid, &state->open_stateid);
+ write_sequnlock(&state->seqlock);
clear_bit(NFS_DELEGATED_STATE, &state->flags);
}
}
@@ -3362,8 +3366,11 @@ static int nfs4_proc_fsinfo(struct nfs_server *server, struct nfs_fh *fhandle, s
nfs_fattr_init(fsinfo->fattr);
error = nfs4_do_fsinfo(server, fhandle, fsinfo);
- if (error == 0)
+ if (error == 0) {
+ /* block layout checks this! */
+ server->pnfs_blksize = fsinfo->blksize;
set_pnfs_layoutdriver(server, fhandle, fsinfo->layouttype);
+ }
return error;
}
diff --git a/fs/nfsd/nfs4idmap.c b/fs/nfsd/nfs4idmap.c
index fdc91a6..ccfe0d0 100644
--- a/fs/nfsd/nfs4idmap.c
+++ b/fs/nfsd/nfs4idmap.c
@@ -598,7 +598,7 @@ numeric_name_to_id(struct svc_rqst *rqstp, int type, const char *name, u32 namel
/* Just to make sure it's null-terminated: */
memcpy(buf, name, namelen);
buf[namelen] = '\0';
- ret = kstrtouint(name, 10, id);
+ ret = kstrtouint(buf, 10, id);
return ret == 0;
}
diff --git a/fs/nfsd/nfs4state.c b/fs/nfsd/nfs4state.c
index cc894ed..5b3224c 100644
--- a/fs/nfsd/nfs4state.c
+++ b/fs/nfsd/nfs4state.c
@@ -1223,10 +1223,26 @@ static bool groups_equal(struct group_info *g1, struct group_info *g2)
return true;
}
+/*
+ * RFC 3530 language requires clid_inuse be returned when the
+ * "principal" associated with a requests differs from that previously
+ * used. We use uid, gid's, and gss principal string as our best
+ * approximation. We also don't want to allow non-gss use of a client
+ * established using gss: in theory cr_principal should catch that
+ * change, but in practice cr_principal can be null even in the gss case
+ * since gssd doesn't always pass down a principal string.
+ */
+static bool is_gss_cred(struct svc_cred *cr)
+{
+ /* Is cr_flavor one of the gss "pseudoflavors"?: */
+ return (cr->cr_flavor > RPC_AUTH_MAXFLAVOR);
+}
+
+
static bool
same_creds(struct svc_cred *cr1, struct svc_cred *cr2)
{
- if ((cr1->cr_flavor != cr2->cr_flavor)
+ if ((is_gss_cred(cr1) != is_gss_cred(cr2))
|| (cr1->cr_uid != cr2->cr_uid)
|| (cr1->cr_gid != cr2->cr_gid)
|| !groups_equal(cr1->cr_group_info, cr2->cr_group_info))
@@ -3766,6 +3782,7 @@ nfsd4_close(struct svc_rqst *rqstp, struct nfsd4_compound_state *cstate,
memcpy(&close->cl_stateid, &stp->st_stid.sc_stateid, sizeof(stateid_t));
nfsd4_close_open_stateid(stp);
+ release_last_closed_stateid(oo);
oo->oo_last_closed_stid = stp;
if (list_empty(&oo->oo_owner.so_stateids)) {
diff --git a/fs/reiserfs/inode.c b/fs/reiserfs/inode.c
index 855da58..63ce6be 100644
--- a/fs/reiserfs/inode.c
+++ b/fs/reiserfs/inode.c
@@ -1573,8 +1573,10 @@ struct dentry *reiserfs_fh_to_dentry(struct super_block *sb, struct fid *fid,
reiserfs_warning(sb, "reiserfs-13077",
"nfsd/reiserfs, fhtype=%d, len=%d - odd",
fh_type, fh_len);
- fh_type = 5;
+ fh_type = fh_len;
}
+ if (fh_len < 2)
+ return NULL;
return reiserfs_get_dentry(sb, fid->raw[0], fid->raw[1],
(fh_type == 3 || fh_type >= 5) ? fid->raw[2] : 0);
@@ -1583,6 +1585,8 @@ struct dentry *reiserfs_fh_to_dentry(struct super_block *sb, struct fid *fid,
struct dentry *reiserfs_fh_to_parent(struct super_block *sb, struct fid *fid,
int fh_len, int fh_type)
{
+ if (fh_type > fh_len)
+ fh_type = fh_len;
if (fh_type < 4)
return NULL;
diff --git a/fs/xfs/xfs_export.c b/fs/xfs/xfs_export.c
index 4267922..8c6d1d7 100644
--- a/fs/xfs/xfs_export.c
+++ b/fs/xfs/xfs_export.c
@@ -189,6 +189,9 @@ xfs_fs_fh_to_parent(struct super_block *sb, struct fid *fid,
struct xfs_fid64 *fid64 = (struct xfs_fid64 *)fid;
struct inode *inode = NULL;
+ if (fh_len < xfs_fileid_length(fileid_type))
+ return NULL;
+
switch (fileid_type) {
case FILEID_INO32_GEN_PARENT:
inode = xfs_nfs_get_inode(sb, fid->i32.parent_ino,
diff --git a/include/linux/mtd/nand.h b/include/linux/mtd/nand.h
index 57977c6..e5cf2c8 100644
--- a/include/linux/mtd/nand.h
+++ b/include/linux/mtd/nand.h
@@ -212,9 +212,6 @@ typedef enum {
#define NAND_SUBPAGE_READ(chip) ((chip->ecc.mode == NAND_ECC_SOFT) \
&& (chip->page_shift > 9))
-/* Mask to zero out the chip options, which come from the id table */
-#define NAND_CHIPOPTIONS_MSK 0x0000ffff
-
/* Non chip related options */
/* This option skips the bbt scan during initialization. */
#define NAND_SKIP_BBTSCAN 0x00010000
diff --git a/kernel/audit.c b/kernel/audit.c
index ea3b7b6..a8c84be 100644
--- a/kernel/audit.c
+++ b/kernel/audit.c
@@ -1466,6 +1466,8 @@ void audit_log_link_denied(const char *operation, struct path *link)
ab = audit_log_start(current->audit_context, GFP_KERNEL,
AUDIT_ANOM_LINK);
+ if (!ab)
+ return;
audit_log_format(ab, "op=%s action=denied", operation);
audit_log_format(ab, " pid=%d comm=", current->pid);
audit_log_untrustedstring(ab, current->comm);
diff --git a/kernel/debug/kdb/kdb_io.c b/kernel/debug/kdb/kdb_io.c
index 0a69d2a..14ff484 100644
--- a/kernel/debug/kdb/kdb_io.c
+++ b/kernel/debug/kdb/kdb_io.c
@@ -552,6 +552,7 @@ int vkdb_printf(const char *fmt, va_list ap)
{
int diag;
int linecount;
+ int colcount;
int logging, saved_loglevel = 0;
int saved_trap_printk;
int got_printf_lock = 0;
@@ -584,6 +585,10 @@ int vkdb_printf(const char *fmt, va_list ap)
if (diag || linecount <= 1)
linecount = 24;
+ diag = kdbgetintenv("COLUMNS", &colcount);
+ if (diag || colcount <= 1)
+ colcount = 80;
+
diag = kdbgetintenv("LOGGING", &logging);
if (diag)
logging = 0;
@@ -690,7 +695,7 @@ kdb_printit:
gdbstub_msg_write(kdb_buffer, retlen);
} else {
if (dbg_io_ops && !dbg_io_ops->is_console) {
- len = strlen(kdb_buffer);
+ len = retlen;
cp = kdb_buffer;
while (len--) {
dbg_io_ops->write_char(*cp);
@@ -709,11 +714,29 @@ kdb_printit:
printk(KERN_INFO "%s", kdb_buffer);
}
- if (KDB_STATE(PAGER) && strchr(kdb_buffer, '\n'))
- kdb_nextline++;
+ if (KDB_STATE(PAGER)) {
+ /*
+ * Check printed string to decide how to bump the
+ * kdb_nextline to control when the more prompt should
+ * show up.
+ */
+ int got = 0;
+ len = retlen;
+ while (len--) {
+ if (kdb_buffer[len] == '\n') {
+ kdb_nextline++;
+ got = 0;
+ } else if (kdb_buffer[len] == '\r') {
+ got = 0;
+ } else {
+ got++;
+ }
+ }
+ kdb_nextline += got / (colcount + 1);
+ }
/* check for having reached the LINES number of printed lines */
- if (kdb_nextline == linecount) {
+ if (kdb_nextline >= linecount) {
char buf1[16] = "";
/* Watch out for recursion here. Any routine that calls
@@ -765,7 +788,7 @@ kdb_printit:
kdb_grepping_flag = 0;
kdb_printf("\n");
} else if (buf1[0] == ' ') {
- kdb_printf("\n");
+ kdb_printf("\r");
suspend_grep = 1; /* for this recursion */
} else if (buf1[0] == '\n') {
kdb_nextline = linecount - 1;
diff --git a/kernel/module.c b/kernel/module.c
index 4edbd9c..9ad9ee9 100644
--- a/kernel/module.c
+++ b/kernel/module.c
@@ -2730,6 +2730,10 @@ static int check_module_license_and_versions(struct module *mod)
if (strcmp(mod->name, "driverloader") == 0)
add_taint_module(mod, TAINT_PROPRIETARY_MODULE);
+ /* lve claims to be GPL but upstream won't provide source */
+ if (strcmp(mod->name, "lve") == 0)
+ add_taint_module(mod, TAINT_PROPRIETARY_MODULE);
+
#ifdef CONFIG_MODVERSIONS
if ((mod->num_syms && !mod->crcs)
|| (mod->num_gpl_syms && !mod->gpl_crcs)
diff --git a/kernel/time/tick-sched.c b/kernel/time/tick-sched.c
index 3a9e5d5..e430b97 100644
--- a/kernel/time/tick-sched.c
+++ b/kernel/time/tick-sched.c
@@ -835,7 +835,7 @@ static enum hrtimer_restart tick_sched_timer(struct hrtimer *timer)
*/
if (ts->tick_stopped) {
touch_softlockup_watchdog();
- if (idle_cpu(cpu))
+ if (is_idle_task(current))
ts->idle_jiffies++;
}
update_process_times(user_mode(regs));
diff --git a/kernel/time/timekeeping.c b/kernel/time/timekeeping.c
index d3b91e7..f791637 100644
--- a/kernel/time/timekeeping.c
+++ b/kernel/time/timekeeping.c
@@ -1111,7 +1111,7 @@ static cycle_t logarithmic_accumulation(struct timekeeper *tk, cycle_t offset,
accumulate_nsecs_to_secs(tk);
/* Accumulate raw time */
- raw_nsecs = tk->raw_interval << shift;
+ raw_nsecs = (u64)tk->raw_interval << shift;
raw_nsecs += tk->raw_time.tv_nsec;
if (raw_nsecs >= NSEC_PER_SEC) {
u64 raw_secs = raw_nsecs;
diff --git a/kernel/timer.c b/kernel/timer.c
index 8c5e7b9..46ef2b1 100644
--- a/kernel/timer.c
+++ b/kernel/timer.c
@@ -63,6 +63,7 @@ EXPORT_SYMBOL(jiffies_64);
#define TVR_SIZE (1 << TVR_BITS)
#define TVN_MASK (TVN_SIZE - 1)
#define TVR_MASK (TVR_SIZE - 1)
+#define MAX_TVAL ((unsigned long)((1ULL << (TVR_BITS + 4*TVN_BITS)) - 1))
struct tvec {
struct list_head vec[TVN_SIZE];
@@ -358,11 +359,12 @@ __internal_add_timer(struct tvec_base *base, struct timer_list *timer)
vec = base->tv1.vec + (base->timer_jiffies & TVR_MASK);
} else {
int i;
- /* If the timeout is larger than 0xffffffff on 64-bit
- * architectures then we use the maximum timeout:
+ /* If the timeout is larger than MAX_TVAL (on 64-bit
+ * architectures or with CONFIG_BASE_SMALL=1) then we
+ * use the maximum timeout.
*/
- if (idx > 0xffffffffUL) {
- idx = 0xffffffffUL;
+ if (idx > MAX_TVAL) {
+ idx = MAX_TVAL;
expires = idx + base->timer_jiffies;
}
i = (expires >> (TVR_BITS + 3 * TVN_BITS)) & TVN_MASK;
diff --git a/mm/shmem.c b/mm/shmem.c
index d4e184e..d2eeca1 100644
--- a/mm/shmem.c
+++ b/mm/shmem.c
@@ -2366,12 +2366,14 @@ static struct dentry *shmem_fh_to_dentry(struct super_block *sb,
{
struct inode *inode;
struct dentry *dentry = NULL;
- u64 inum = fid->raw[2];
- inum = (inum << 32) | fid->raw[1];
+ u64 inum;
if (fh_len < 3)
return NULL;
+ inum = fid->raw[2];
+ inum = (inum << 32) | fid->raw[1];
+
inode = ilookup5(sb, (unsigned long)(inum + fid->raw[0]),
shmem_match, fid->raw);
if (inode) {
diff --git a/net/core/pktgen.c b/net/core/pktgen.c
index 148e73d..e356b8d 100644
--- a/net/core/pktgen.c
+++ b/net/core/pktgen.c
@@ -2927,7 +2927,7 @@ static struct sk_buff *fill_packet_ipv6(struct net_device *odev,
sizeof(struct ipv6hdr) - sizeof(struct udphdr) -
pkt_dev->pkt_overhead;
- if (datalen < sizeof(struct pktgen_hdr)) {
+ if (datalen < 0 || datalen < sizeof(struct pktgen_hdr)) {
datalen = sizeof(struct pktgen_hdr);
net_info_ratelimited("increased datalen to %d\n", datalen);
}
diff --git a/net/mac80211/status.c b/net/mac80211/status.c
index 8cd7291..118329a 100644
--- a/net/mac80211/status.c
+++ b/net/mac80211/status.c
@@ -34,7 +34,7 @@ void ieee80211_tx_status_irqsafe(struct ieee80211_hw *hw,
skb_queue_len(&local->skb_queue_unreliable);
while (tmp > IEEE80211_IRQSAFE_QUEUE_LIMIT &&
(skb = skb_dequeue(&local->skb_queue_unreliable))) {
- dev_kfree_skb_irq(skb);
+ ieee80211_free_txskb(hw, skb);
tmp--;
I802_DEBUG_INC(local->tx_status_drop);
}
@@ -159,7 +159,7 @@ static void ieee80211_handle_filtered_frame(struct ieee80211_local *local,
"dropped TX filtered frame, queue_len=%d PS=%d @%lu\n",
skb_queue_len(&sta->tx_filtered[ac]),
!!test_sta_flag(sta, WLAN_STA_PS_STA), jiffies);
- dev_kfree_skb(skb);
+ ieee80211_free_txskb(&local->hw, skb);
}
static void ieee80211_check_pending_bar(struct sta_info *sta, u8 *addr, u8 tid)
diff --git a/net/mac80211/tx.c b/net/mac80211/tx.c
index c5e8c9c..362c418 100644
--- a/net/mac80211/tx.c
+++ b/net/mac80211/tx.c
@@ -354,7 +354,7 @@ static void purge_old_ps_buffers(struct ieee80211_local *local)
total += skb_queue_len(&sta->ps_tx_buf[ac]);
if (skb) {
purged++;
- dev_kfree_skb(skb);
+ ieee80211_free_txskb(&local->hw, skb);
break;
}
}
@@ -466,7 +466,7 @@ ieee80211_tx_h_unicast_ps_buf(struct ieee80211_tx_data *tx)
ps_dbg(tx->sdata,
"STA %pM TX buffer for AC %d full - dropping oldest frame\n",
sta->sta.addr, ac);
- dev_kfree_skb(old);
+ ieee80211_free_txskb(&local->hw, old);
} else
tx->local->total_ps_buffered++;
@@ -1103,7 +1103,7 @@ static bool ieee80211_tx_prep_agg(struct ieee80211_tx_data *tx,
spin_unlock(&tx->sta->lock);
if (purge_skb)
- dev_kfree_skb(purge_skb);
+ ieee80211_free_txskb(&tx->local->hw, purge_skb);
}
/* reset session timer */
@@ -1214,7 +1214,7 @@ static bool ieee80211_tx_frags(struct ieee80211_local *local,
#ifdef CONFIG_MAC80211_VERBOSE_DEBUG
if (WARN_ON_ONCE(q >= local->hw.queues)) {
__skb_unlink(skb, skbs);
- dev_kfree_skb(skb);
+ ieee80211_free_txskb(&local->hw, skb);
continue;
}
#endif
@@ -1356,7 +1356,7 @@ static int invoke_tx_handlers(struct ieee80211_tx_data *tx)
if (unlikely(res == TX_DROP)) {
I802_DEBUG_INC(tx->local->tx_handlers_drop);
if (tx->skb)
- dev_kfree_skb(tx->skb);
+ ieee80211_free_txskb(&tx->local->hw, tx->skb);
else
__skb_queue_purge(&tx->skbs);
return -1;
@@ -1393,7 +1393,7 @@ static bool ieee80211_tx(struct ieee80211_sub_if_data *sdata,
res_prepare = ieee80211_tx_prepare(sdata, &tx, skb);
if (unlikely(res_prepare == TX_DROP)) {
- dev_kfree_skb(skb);
+ ieee80211_free_txskb(&local->hw, skb);
goto out;
} else if (unlikely(res_prepare == TX_QUEUED)) {
goto out;
@@ -1466,7 +1466,7 @@ void ieee80211_xmit(struct ieee80211_sub_if_data *sdata, struct sk_buff *skb)
headroom = max_t(int, 0, headroom);
if (ieee80211_skb_resize(sdata, skb, headroom, may_encrypt)) {
- dev_kfree_skb(skb);
+ ieee80211_free_txskb(&local->hw, skb);
rcu_read_unlock();
return;
}
@@ -2060,8 +2060,10 @@ netdev_tx_t ieee80211_subif_start_xmit(struct sk_buff *skb,
head_need += IEEE80211_ENCRYPT_HEADROOM;
head_need += local->tx_headroom;
head_need = max_t(int, 0, head_need);
- if (ieee80211_skb_resize(sdata, skb, head_need, true))
- goto fail;
+ if (ieee80211_skb_resize(sdata, skb, head_need, true)) {
+ ieee80211_free_txskb(&local->hw, skb);
+ return NETDEV_TX_OK;
+ }
}
if (encaps_data) {
@@ -2196,7 +2198,7 @@ void ieee80211_tx_pending(unsigned long data)
struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
if (WARN_ON(!info->control.vif)) {
- kfree_skb(skb);
+ ieee80211_free_txskb(&local->hw, skb);
continue;
}
diff --git a/net/sunrpc/xprtsock.c b/net/sunrpc/xprtsock.c
index a35b8e5..d1988cf 100644
--- a/net/sunrpc/xprtsock.c
+++ b/net/sunrpc/xprtsock.c
@@ -1025,6 +1025,16 @@ static void xs_udp_data_ready(struct sock *sk, int len)
read_unlock_bh(&sk->sk_callback_lock);
}
+/*
+ * Helper function to force a TCP close if the server is sending
+ * junk and/or it has put us in CLOSE_WAIT
+ */
+static void xs_tcp_force_close(struct rpc_xprt *xprt)
+{
+ set_bit(XPRT_CONNECTION_CLOSE, &xprt->state);
+ xprt_force_disconnect(xprt);
+}
+
static inline void xs_tcp_read_fraghdr(struct rpc_xprt *xprt, struct xdr_skb_reader *desc)
{
struct sock_xprt *transport = container_of(xprt, struct sock_xprt, xprt);
@@ -1051,7 +1061,7 @@ static inline void xs_tcp_read_fraghdr(struct rpc_xprt *xprt, struct xdr_skb_rea
/* Sanity check of the record length */
if (unlikely(transport->tcp_reclen < 8)) {
dprintk("RPC: invalid TCP record fragment length\n");
- xprt_force_disconnect(xprt);
+ xs_tcp_force_close(xprt);
return;
}
dprintk("RPC: reading TCP record fragment of length %d\n",
@@ -1132,7 +1142,7 @@ static inline void xs_tcp_read_calldir(struct sock_xprt *transport,
break;
default:
dprintk("RPC: invalid request message type\n");
- xprt_force_disconnect(&transport->xprt);
+ xs_tcp_force_close(&transport->xprt);
}
xs_tcp_check_fraghdr(transport);
}
@@ -1455,6 +1465,8 @@ static void xs_tcp_cancel_linger_timeout(struct rpc_xprt *xprt)
static void xs_sock_mark_closed(struct rpc_xprt *xprt)
{
smp_mb__before_clear_bit();
+ clear_bit(XPRT_CONNECTION_ABORT, &xprt->state);
+ clear_bit(XPRT_CONNECTION_CLOSE, &xprt->state);
clear_bit(XPRT_CLOSE_WAIT, &xprt->state);
clear_bit(XPRT_CLOSING, &xprt->state);
smp_mb__after_clear_bit();
@@ -1512,8 +1524,8 @@ static void xs_tcp_state_change(struct sock *sk)
break;
case TCP_CLOSE_WAIT:
/* The server initiated a shutdown of the socket */
- xprt_force_disconnect(xprt);
xprt->connect_cookie++;
+ xs_tcp_force_close(xprt);
case TCP_CLOSING:
/*
* If the server closed down the connection, make sure that
@@ -2199,8 +2211,7 @@ static void xs_tcp_setup_socket(struct work_struct *work)
/* We're probably in TIME_WAIT. Get rid of existing socket,
* and retry
*/
- set_bit(XPRT_CONNECTION_CLOSE, &xprt->state);
- xprt_force_disconnect(xprt);
+ xs_tcp_force_close(xprt);
break;
case -ECONNREFUSED:
case -ECONNRESET:
diff --git a/scripts/Makefile.fwinst b/scripts/Makefile.fwinst
index c3f69ae..4d908d1 100644
--- a/scripts/Makefile.fwinst
+++ b/scripts/Makefile.fwinst
@@ -27,7 +27,7 @@ endif
installed-mod-fw := $(addprefix $(INSTALL_FW_PATH)/,$(mod-fw))
installed-fw := $(addprefix $(INSTALL_FW_PATH)/,$(fw-shipped-all))
-installed-fw-dirs := $(sort $(dir $(installed-fw))) $(INSTALL_FW_PATH)/.
+installed-fw-dirs := $(sort $(dir $(installed-fw))) $(INSTALL_FW_PATH)/./
# Workaround for make < 3.81, where .SECONDEXPANSION doesn't work.
PHONY += $(INSTALL_FW_PATH)/$$(%) install-all-dirs
@@ -42,7 +42,7 @@ quiet_cmd_install = INSTALL $(subst $(srctree)/,,$@)
$(installed-fw-dirs):
$(call cmd,mkdir)
-$(installed-fw): $(INSTALL_FW_PATH)/%: $(obj)/% | $$(dir $(INSTALL_FW_PATH)/%)
+$(installed-fw): $(INSTALL_FW_PATH)/%: $(obj)/% | $(INSTALL_FW_PATH)/$$(dir %)
$(call cmd,install)
PHONY += __fw_install __fw_modinst FORCE
diff --git a/sound/pci/ac97/ac97_codec.c b/sound/pci/ac97/ac97_codec.c
index 9473fca..8b0f996 100644
--- a/sound/pci/ac97/ac97_codec.c
+++ b/sound/pci/ac97/ac97_codec.c
@@ -1271,6 +1271,8 @@ static int snd_ac97_cvol_new(struct snd_card *card, char *name, int reg, unsigne
tmp.index = ac97->num;
kctl = snd_ctl_new1(&tmp, ac97);
}
+ if (!kctl)
+ return -ENOMEM;
if (reg >= AC97_PHONE && reg <= AC97_PCM)
set_tlv_db_scale(kctl, db_scale_5bit_12db_max);
else
diff --git a/sound/pci/emu10k1/emu10k1_main.c b/sound/pci/emu10k1/emu10k1_main.c
index 7549240..a78fdf4 100644
--- a/sound/pci/emu10k1/emu10k1_main.c
+++ b/sound/pci/emu10k1/emu10k1_main.c
@@ -1416,6 +1416,15 @@ static struct snd_emu_chip_details emu_chip_details[] = {
.ca0108_chip = 1,
.spk71 = 1,
.emu_model = EMU_MODEL_EMU1010B}, /* EMU 1010 new revision */
+ /* Tested by Maxim Kachur <mcdebugger@...anet.ru> 17th Oct 2012. */
+ /* This is MAEM8986, 0202 is MAEM8980 */
+ {.vendor = 0x1102, .device = 0x0008, .subsystem = 0x40071102,
+ .driver = "Audigy2", .name = "E-mu 1010 PCIe [MAEM8986]",
+ .id = "EMU1010",
+ .emu10k2_chip = 1,
+ .ca0108_chip = 1,
+ .spk71 = 1,
+ .emu_model = EMU_MODEL_EMU1010B}, /* EMU 1010 PCIe */
/* Tested by James@...erbug.co.uk 8th July 2005. */
/* This is MAEM8810, 0202 is MAEM8820 */
{.vendor = 0x1102, .device = 0x0004, .subsystem = 0x40011102,
diff --git a/sound/pci/hda/hda_intel.c b/sound/pci/hda/hda_intel.c
index 12a9432..a5dc746 100644
--- a/sound/pci/hda/hda_intel.c
+++ b/sound/pci/hda/hda_intel.c
@@ -487,6 +487,7 @@ struct azx {
/* VGA-switcheroo setup */
unsigned int use_vga_switcheroo:1;
+ unsigned int vga_switcheroo_registered:1;
unsigned int init_failed:1; /* delayed init failed */
unsigned int disabled:1; /* disabled by VGA-switcher */
@@ -2135,9 +2136,12 @@ static unsigned int azx_get_position(struct azx *chip,
if (delay < 0)
delay += azx_dev->bufsize;
if (delay >= azx_dev->period_bytes) {
- snd_printdd("delay %d > period_bytes %d\n",
- delay, azx_dev->period_bytes);
- delay = 0; /* something is wrong */
+ snd_printk(KERN_WARNING SFX
+ "Unstable LPIB (%d >= %d); "
+ "disabling LPIB delay counting\n",
+ delay, azx_dev->period_bytes);
+ delay = 0;
+ chip->driver_caps &= ~AZX_DCAPS_COUNT_LPIB_DELAY;
}
azx_dev->substream->runtime->delay =
bytes_to_frames(azx_dev->substream->runtime, delay);
@@ -2556,7 +2560,9 @@ static void azx_vs_set_state(struct pci_dev *pci,
if (disabled) {
azx_suspend(&pci->dev);
chip->disabled = true;
- snd_hda_lock_devices(chip->bus);
+ if (snd_hda_lock_devices(chip->bus))
+ snd_printk(KERN_WARNING SFX
+ "Cannot lock devices!\n");
} else {
snd_hda_unlock_devices(chip->bus);
chip->disabled = false;
@@ -2599,14 +2605,20 @@ static const struct vga_switcheroo_client_ops azx_vs_ops = {
static int __devinit register_vga_switcheroo(struct azx *chip)
{
+ int err;
+
if (!chip->use_vga_switcheroo)
return 0;
/* FIXME: currently only handling DIS controller
* is there any machine with two switchable HDMI audio controllers?
*/
- return vga_switcheroo_register_audio_client(chip->pci, &azx_vs_ops,
+ err = vga_switcheroo_register_audio_client(chip->pci, &azx_vs_ops,
VGA_SWITCHEROO_DIS,
chip->bus != NULL);
+ if (err < 0)
+ return err;
+ chip->vga_switcheroo_registered = 1;
+ return 0;
}
#else
#define init_vga_switcheroo(chip) /* NOP */
@@ -2626,7 +2638,8 @@ static int azx_free(struct azx *chip)
if (use_vga_switcheroo(chip)) {
if (chip->disabled && chip->bus)
snd_hda_unlock_devices(chip->bus);
- vga_switcheroo_unregister_client(chip->pci);
+ if (chip->vga_switcheroo_registered)
+ vga_switcheroo_unregister_client(chip->pci);
}
if (chip->initialized) {
@@ -2974,14 +2987,6 @@ static int __devinit azx_create(struct snd_card *card, struct pci_dev *pci,
}
ok:
- err = register_vga_switcheroo(chip);
- if (err < 0) {
- snd_printk(KERN_ERR SFX
- "Error registering VGA-switcheroo client\n");
- azx_free(chip);
- return err;
- }
-
err = snd_device_new(card, SNDRV_DEV_LOWLEVEL, chip, &ops);
if (err < 0) {
snd_printk(KERN_ERR SFX "Error creating device [card]!\n");
@@ -3208,6 +3213,13 @@ static int __devinit azx_probe(struct pci_dev *pci,
pci_set_drvdata(pci, card);
+ err = register_vga_switcheroo(chip);
+ if (err < 0) {
+ snd_printk(KERN_ERR SFX
+ "Error registering VGA-switcheroo client\n");
+ goto out_free;
+ }
+
dev++;
return 0;
diff --git a/sound/pci/hda/patch_cirrus.c b/sound/pci/hda/patch_cirrus.c
index 0c4c1a6..cc31346 100644
--- a/sound/pci/hda/patch_cirrus.c
+++ b/sound/pci/hda/patch_cirrus.c
@@ -1417,7 +1417,7 @@ static int patch_cs420x(struct hda_codec *codec)
return 0;
error:
- kfree(codec->spec);
+ cs_free(codec);
codec->spec = NULL;
return err;
}
@@ -1974,7 +1974,7 @@ static int patch_cs4210(struct hda_codec *codec)
return 0;
error:
- kfree(codec->spec);
+ cs_free(codec);
codec->spec = NULL;
return err;
}
@@ -1999,7 +1999,7 @@ static int patch_cs4213(struct hda_codec *codec)
return 0;
error:
- kfree(codec->spec);
+ cs_free(codec);
codec->spec = NULL;
return err;
}
diff --git a/sound/pci/hda/patch_realtek.c b/sound/pci/hda/patch_realtek.c
index 56a3eef..155cbd2 100644
--- a/sound/pci/hda/patch_realtek.c
+++ b/sound/pci/hda/patch_realtek.c
@@ -611,6 +611,8 @@ static void alc_line_automute(struct hda_codec *codec)
{
struct alc_spec *spec = codec->spec;
+ if (spec->autocfg.line_out_type == AUTO_PIN_SPEAKER_OUT)
+ return;
/* check LO jack only when it's different from HP */
if (spec->autocfg.line_out_pins[0] == spec->autocfg.hp_pins[0])
return;
@@ -2627,8 +2629,10 @@ static const char *alc_get_line_out_pfx(struct alc_spec *spec, int ch,
return "PCM";
break;
}
- if (snd_BUG_ON(ch >= ARRAY_SIZE(channel_name)))
+ if (ch >= ARRAY_SIZE(channel_name)) {
+ snd_BUG();
return "PCM";
+ }
return channel_name[ch];
}
diff --git a/sound/pci/hda/patch_via.c b/sound/pci/hda/patch_via.c
index 4b4072f..4c404a0 100644
--- a/sound/pci/hda/patch_via.c
+++ b/sound/pci/hda/patch_via.c
@@ -118,6 +118,8 @@ enum {
};
struct via_spec {
+ struct hda_gen_spec gen;
+
/* codec parameterization */
const struct snd_kcontrol_new *mixers[6];
unsigned int num_mixers;
@@ -246,6 +248,7 @@ static struct via_spec * via_new_spec(struct hda_codec *codec)
/* VT1708BCE & VT1708S are almost same */
if (spec->codec_type == VT1708BCE)
spec->codec_type = VT1708S;
+ snd_hda_gen_init(&spec->gen);
return spec;
}
@@ -1628,6 +1631,7 @@ static void via_free(struct hda_codec *codec)
vt1708_stop_hp_work(spec);
kfree(spec->bind_cap_vol);
kfree(spec->bind_cap_sw);
+ snd_hda_gen_free(&spec->gen);
kfree(spec);
}
diff --git a/sound/soc/codecs/wm2200.c b/sound/soc/codecs/wm2200.c
index 32682c1..c8bff6d 100644
--- a/sound/soc/codecs/wm2200.c
+++ b/sound/soc/codecs/wm2200.c
@@ -1028,7 +1028,7 @@ SOC_DOUBLE_R_TLV("OUT2 Digital Volume", WM2200_DAC_DIGITAL_VOLUME_2L,
WM2200_DAC_DIGITAL_VOLUME_2R, WM2200_OUT2L_VOL_SHIFT, 0x9f, 0,
digital_tlv),
SOC_DOUBLE("OUT2 Switch", WM2200_PDM_1, WM2200_SPK1L_MUTE_SHIFT,
- WM2200_SPK1R_MUTE_SHIFT, 1, 0),
+ WM2200_SPK1R_MUTE_SHIFT, 1, 1),
};
WM2200_MIXER_ENUMS(OUT1L, WM2200_OUT1LMIX_INPUT_1_SOURCE);
@@ -2091,6 +2091,7 @@ static __devinit int wm2200_i2c_probe(struct i2c_client *i2c,
switch (wm2200->rev) {
case 0:
+ case 1:
ret = regmap_register_patch(wm2200->regmap, wm2200_reva_patch,
ARRAY_SIZE(wm2200_reva_patch));
if (ret != 0) {
diff --git a/sound/soc/omap/omap-abe-twl6040.c b/sound/soc/omap/omap-abe-twl6040.c
index 9d93793..f8fba57 100644
--- a/sound/soc/omap/omap-abe-twl6040.c
+++ b/sound/soc/omap/omap-abe-twl6040.c
@@ -190,7 +190,7 @@ static int omap_abe_twl6040_init(struct snd_soc_pcm_runtime *rtd)
twl6040_disconnect_pin(dapm, pdata->has_hf, "Ext Spk");
twl6040_disconnect_pin(dapm, pdata->has_ep, "Earphone Spk");
twl6040_disconnect_pin(dapm, pdata->has_aux, "Line Out");
- twl6040_disconnect_pin(dapm, pdata->has_vibra, "Vinrator");
+ twl6040_disconnect_pin(dapm, pdata->has_vibra, "Vibrator");
twl6040_disconnect_pin(dapm, pdata->has_hsmic, "Headset Mic");
twl6040_disconnect_pin(dapm, pdata->has_mainmic, "Main Handset Mic");
twl6040_disconnect_pin(dapm, pdata->has_submic, "Sub Handset Mic");
diff --git a/sound/soc/sh/fsi.c b/sound/soc/sh/fsi.c
index 0540408..1bb0d58c 100644
--- a/sound/soc/sh/fsi.c
+++ b/sound/soc/sh/fsi.c
@@ -20,6 +20,7 @@
#include <linux/sh_dma.h>
#include <linux/slab.h>
#include <linux/module.h>
+#include <linux/workqueue.h>
#include <sound/soc.h>
#include <sound/sh_fsi.h>
@@ -223,7 +224,7 @@ struct fsi_stream {
*/
struct dma_chan *chan;
struct sh_dmae_slave slave; /* see fsi_handler_init() */
- struct tasklet_struct tasklet;
+ struct work_struct work;
dma_addr_t dma;
};
@@ -1085,9 +1086,9 @@ static void fsi_dma_complete(void *data)
snd_pcm_period_elapsed(io->substream);
}
-static void fsi_dma_do_tasklet(unsigned long data)
+static void fsi_dma_do_work(struct work_struct *work)
{
- struct fsi_stream *io = (struct fsi_stream *)data;
+ struct fsi_stream *io = container_of(work, struct fsi_stream, work);
struct fsi_priv *fsi = fsi_stream_to_priv(io);
struct snd_soc_dai *dai;
struct dma_async_tx_descriptor *desc;
@@ -1129,7 +1130,7 @@ static void fsi_dma_do_tasklet(unsigned long data)
* FIXME
*
* In DMAEngine case, codec and FSI cannot be started simultaneously
- * since FSI is using tasklet.
+ * since FSI is using the scheduler work queue.
* Therefore, in capture case, probably FSI FIFO will have got
* overflow error in this point.
* in that case, DMA cannot start transfer until error was cleared.
@@ -1153,7 +1154,7 @@ static bool fsi_dma_filter(struct dma_chan *chan, void *param)
static int fsi_dma_transfer(struct fsi_priv *fsi, struct fsi_stream *io)
{
- tasklet_schedule(&io->tasklet);
+ schedule_work(&io->work);
return 0;
}
@@ -1195,14 +1196,14 @@ static int fsi_dma_probe(struct fsi_priv *fsi, struct fsi_stream *io, struct dev
return fsi_stream_probe(fsi, dev);
}
- tasklet_init(&io->tasklet, fsi_dma_do_tasklet, (unsigned long)io);
+ INIT_WORK(&io->work, fsi_dma_do_work);
return 0;
}
static int fsi_dma_remove(struct fsi_priv *fsi, struct fsi_stream *io)
{
- tasklet_kill(&io->tasklet);
+ cancel_work_sync(&io->work);
fsi_stream_stop(fsi, io);
--
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