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Message-ID: <20121021172430.GB5313@kroah.com>
Date: Sun, 21 Oct 2012 10:24:30 -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 3.0.47
diff --git a/Documentation/kernel-parameters.txt b/Documentation/kernel-parameters.txt
index aa47be7..397ee05 100644
--- a/Documentation/kernel-parameters.txt
+++ b/Documentation/kernel-parameters.txt
@@ -1764,6 +1764,11 @@ bytes respectively. Such letter suffixes can also be entirely omitted.
noresidual [PPC] Don't use residual data on PReP machines.
+ nordrand [X86] Disable the direct use of the RDRAND
+ instruction even if it is supported by the
+ processor. RDRAND is still available to user
+ space applications.
+
noresume [SWSUSP] Disables resume and restores original swap
space.
diff --git a/Makefile b/Makefile
index 1cb8c1d..82f6dfe 100644
--- a/Makefile
+++ b/Makefile
@@ -1,6 +1,6 @@
VERSION = 3
PATCHLEVEL = 0
-SUBLEVEL = 46
+SUBLEVEL = 47
EXTRAVERSION =
NAME = Sneaky Weasel
diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig
index 157781e..17d179c 100644
--- a/arch/arm/Kconfig
+++ b/arch/arm/Kconfig
@@ -1260,6 +1260,16 @@ 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 1ed1fd3..428b243 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, just try the next page.
*/
9001:
+#ifdef CONFIG_ARM_ERRATA_775420
+ dsb
+#endif
mov r12, r12, lsr #12
mov r12, r12, lsl #12
add r12, r12, #4096
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/Kconfig b/arch/x86/Kconfig
index 37357a5..a0e9bda 100644
--- a/arch/x86/Kconfig
+++ b/arch/x86/Kconfig
@@ -1451,6 +1451,15 @@ config ARCH_USES_PG_UNCACHED
def_bool y
depends on X86_PAT
+config ARCH_RANDOM
+ def_bool y
+ prompt "x86 architectural random number generator" if EXPERT
+ ---help---
+ Enable the x86 architectural RDRAND instruction
+ (Intel Bull Mountain technology) to generate random numbers.
+ If supported, this is a high bandwidth, cryptographically
+ secure hardware random number generator.
+
config EFI
bool "EFI runtime service support"
depends on ACPI
diff --git a/arch/x86/include/asm/archrandom.h b/arch/x86/include/asm/archrandom.h
new file mode 100644
index 0000000..0d9ec77
--- /dev/null
+++ b/arch/x86/include/asm/archrandom.h
@@ -0,0 +1,75 @@
+/*
+ * This file is part of the Linux kernel.
+ *
+ * Copyright (c) 2011, Intel Corporation
+ * Authors: Fenghua Yu <fenghua.yu@...el.com>,
+ * H. Peter Anvin <hpa@...ux.intel.com>
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms and conditions of the GNU General Public License,
+ * version 2, as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License along with
+ * this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ */
+
+#ifndef ASM_X86_ARCHRANDOM_H
+#define ASM_X86_ARCHRANDOM_H
+
+#include <asm/processor.h>
+#include <asm/cpufeature.h>
+#include <asm/alternative.h>
+#include <asm/nops.h>
+
+#define RDRAND_RETRY_LOOPS 10
+
+#define RDRAND_INT ".byte 0x0f,0xc7,0xf0"
+#ifdef CONFIG_X86_64
+# define RDRAND_LONG ".byte 0x48,0x0f,0xc7,0xf0"
+#else
+# define RDRAND_LONG RDRAND_INT
+#endif
+
+#ifdef CONFIG_ARCH_RANDOM
+
+#define GET_RANDOM(name, type, rdrand, nop) \
+static inline int name(type *v) \
+{ \
+ int ok; \
+ alternative_io("movl $0, %0\n\t" \
+ nop, \
+ "\n1: " rdrand "\n\t" \
+ "jc 2f\n\t" \
+ "decl %0\n\t" \
+ "jnz 1b\n\t" \
+ "2:", \
+ X86_FEATURE_RDRAND, \
+ ASM_OUTPUT2("=r" (ok), "=a" (*v)), \
+ "0" (RDRAND_RETRY_LOOPS)); \
+ return ok; \
+}
+
+#ifdef CONFIG_X86_64
+
+GET_RANDOM(arch_get_random_long, unsigned long, RDRAND_LONG, ASM_NOP5);
+GET_RANDOM(arch_get_random_int, unsigned int, RDRAND_INT, ASM_NOP4);
+
+#else
+
+GET_RANDOM(arch_get_random_long, unsigned long, RDRAND_LONG, ASM_NOP3);
+GET_RANDOM(arch_get_random_int, unsigned int, RDRAND_INT, ASM_NOP3);
+
+#endif /* CONFIG_X86_64 */
+
+#endif /* CONFIG_ARCH_RANDOM */
+
+extern void x86_init_rdrand(struct cpuinfo_x86 *c);
+
+#endif /* ASM_X86_ARCHRANDOM_H */
diff --git a/arch/x86/kernel/cpu/Makefile b/arch/x86/kernel/cpu/Makefile
index 6042981..0e3a82a 100644
--- a/arch/x86/kernel/cpu/Makefile
+++ b/arch/x86/kernel/cpu/Makefile
@@ -15,6 +15,7 @@ CFLAGS_common.o := $(nostackp)
obj-y := intel_cacheinfo.o scattered.o topology.o
obj-y += proc.o capflags.o powerflags.o common.o
obj-y += vmware.o hypervisor.o sched.o mshyperv.o
+obj-y += rdrand.o
obj-$(CONFIG_X86_32) += bugs.o
obj-$(CONFIG_X86_64) += bugs_64.o
diff --git a/arch/x86/kernel/cpu/common.c b/arch/x86/kernel/cpu/common.c
index 0cb2883..1579ab9 100644
--- a/arch/x86/kernel/cpu/common.c
+++ b/arch/x86/kernel/cpu/common.c
@@ -15,6 +15,7 @@
#include <asm/stackprotector.h>
#include <asm/perf_event.h>
#include <asm/mmu_context.h>
+#include <asm/archrandom.h>
#include <asm/hypervisor.h>
#include <asm/processor.h>
#include <asm/sections.h>
@@ -852,6 +853,7 @@ static void __cpuinit identify_cpu(struct cpuinfo_x86 *c)
#endif
init_hypervisor(c);
+ x86_init_rdrand(c);
/*
* Clear/Set all flags overriden by options, need do it
diff --git a/arch/x86/kernel/cpu/rdrand.c b/arch/x86/kernel/cpu/rdrand.c
new file mode 100644
index 0000000..feca286
--- /dev/null
+++ b/arch/x86/kernel/cpu/rdrand.c
@@ -0,0 +1,73 @@
+/*
+ * This file is part of the Linux kernel.
+ *
+ * Copyright (c) 2011, Intel Corporation
+ * Authors: Fenghua Yu <fenghua.yu@...el.com>,
+ * H. Peter Anvin <hpa@...ux.intel.com>
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms and conditions of the GNU General Public License,
+ * version 2, as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License along with
+ * this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ */
+
+#include <asm/processor.h>
+#include <asm/archrandom.h>
+#include <asm/sections.h>
+
+static int __init x86_rdrand_setup(char *s)
+{
+ setup_clear_cpu_cap(X86_FEATURE_RDRAND);
+ return 1;
+}
+__setup("nordrand", x86_rdrand_setup);
+
+/* We can't use arch_get_random_long() here since alternatives haven't run */
+static inline int rdrand_long(unsigned long *v)
+{
+ int ok;
+ asm volatile("1: " RDRAND_LONG "\n\t"
+ "jc 2f\n\t"
+ "decl %0\n\t"
+ "jnz 1b\n\t"
+ "2:"
+ : "=r" (ok), "=a" (*v)
+ : "0" (RDRAND_RETRY_LOOPS));
+ return ok;
+}
+
+/*
+ * Force a reseed cycle; we are architecturally guaranteed a reseed
+ * after no more than 512 128-bit chunks of random data. This also
+ * acts as a test of the CPU capability.
+ */
+#define RESEED_LOOP ((512*128)/sizeof(unsigned long))
+
+void __cpuinit x86_init_rdrand(struct cpuinfo_x86 *c)
+{
+#ifdef CONFIG_ARCH_RANDOM
+ unsigned long tmp;
+ int i, count, ok;
+
+ if (!cpu_has(c, X86_FEATURE_RDRAND))
+ return; /* Nothing to do */
+
+ for (count = i = 0; i < RESEED_LOOP; i++) {
+ ok = rdrand_long(&tmp);
+ if (ok)
+ count++;
+ }
+
+ if (count != RESEED_LOOP)
+ clear_cpu_cap(c, X86_FEATURE_RDRAND);
+#endif
+}
diff --git a/arch/x86/xen/enlighten.c b/arch/x86/xen/enlighten.c
index 8385d1d..9f808af 100644
--- a/arch/x86/xen/enlighten.c
+++ b/arch/x86/xen/enlighten.c
@@ -803,7 +803,16 @@ 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;
@@ -968,6 +977,11 @@ 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,
@@ -975,6 +989,8 @@ 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 35ae52d..2f49f43 100644
--- a/block/blk-core.c
+++ b/block/blk-core.c
@@ -524,7 +524,7 @@ 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 b19a18d..d2519b2 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);
@@ -914,6 +920,17 @@ 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", {
@@ -945,10 +962,13 @@ 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 b85ee76..65b9d6f 100644
--- a/drivers/char/tpm/tpm.c
+++ b/drivers/char/tpm/tpm.c
@@ -1019,17 +1019,20 @@ 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)) {
@@ -1039,6 +1042,10 @@ 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 4799393..b97d4f0 100644
--- a/drivers/firewire/core-cdev.c
+++ b/drivers/firewire/core-cdev.c
@@ -471,8 +471,8 @@ 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/radeon/radeon_legacy_encoders.c b/drivers/gpu/drm/radeon/radeon_legacy_encoders.c
index 2f46e0c..3ad3cc6 100644
--- a/drivers/gpu/drm/radeon/radeon_legacy_encoders.c
+++ b/drivers/gpu/drm/radeon/radeon_legacy_encoders.c
@@ -973,11 +973,7 @@ 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/net/tg3.c b/drivers/net/tg3.c
index 85931ca..10a99e4 100644
--- a/drivers/net/tg3.c
+++ b/drivers/net/tg3.c
@@ -13689,8 +13689,9 @@ static int __devinit tg3_get_invariants(struct tg3 *tp)
*/
tg3_flag_set(tp, 4G_DMA_BNDRY_BUG);
- if (tg3_flag(tp, 5755_PLUS))
- tg3_flag_set(tp, SHORT_DMA_BUG);
+ if (tg3_flag(tp, 5755_PLUS) ||
+ GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906)
+ tg3_flag_set(tp, SHORT_DMA_BUG);
else
tg3_flag_set(tp, 40BIT_DMA_LIMIT_BUG);
diff --git a/drivers/usb/class/cdc-acm.c b/drivers/usb/class/cdc-acm.c
index de80171..3b2ce7d 100644
--- a/drivers/usb/class/cdc-acm.c
+++ b/drivers/usb/class/cdc-acm.c
@@ -1496,6 +1496,9 @@ 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/video/udlfb.c b/drivers/video/udlfb.c
index 415e9b2..6a7725a 100644
--- a/drivers/video/udlfb.c
+++ b/drivers/video/udlfb.c
@@ -613,7 +613,7 @@ 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/fs/autofs4/root.c b/fs/autofs4/root.c
index f55ae23..790fa63 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 f67b687..a080779 100644
--- a/fs/ceph/export.c
+++ b/fs/ceph/export.c
@@ -84,7 +84,7 @@ static int ceph_encode_fh(struct dentry *dentry, 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;
@@ -92,6 +92,9 @@ 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;
@@ -136,7 +139,7 @@ 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;
@@ -144,6 +147,9 @@ 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);
@@ -193,9 +199,11 @@ 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);
}
/*
@@ -216,6 +224,8 @@ 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 fe9945f..5235d6e 100644
--- a/fs/gfs2/export.c
+++ b/fs/gfs2/export.c
@@ -167,6 +167,8 @@ 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;
@@ -186,6 +188,8 @@ 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 dd4687f..516eb21 100644
--- a/fs/isofs/export.c
+++ b/fs/isofs/export.c
@@ -179,7 +179,7 @@ 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 72ffa97..dcd23f8 100644
--- a/fs/jbd/commit.c
+++ b/fs/jbd/commit.c
@@ -85,7 +85,12 @@ 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);
@@ -840,17 +845,35 @@ 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 f7ee81a..b0161a6 100644
--- a/fs/jbd/transaction.c
+++ b/fs/jbd/transaction.c
@@ -1837,15 +1837,16 @@ 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
@@ -1873,10 +1874,18 @@ 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) {
@@ -1903,13 +1912,9 @@ 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
@@ -1917,13 +1922,9 @@ 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 */
@@ -1944,10 +1945,24 @@ 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))
@@ -1970,6 +1985,14 @@ 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);
@@ -2018,7 +2041,8 @@ 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 23d7451..df753a1 100644
--- a/fs/lockd/mon.c
+++ b/fs/lockd/mon.c
@@ -40,6 +40,7 @@ struct nsm_args {
u32 proc;
char *mon_name;
+ char *nodename;
};
struct nsm_res {
@@ -93,6 +94,7 @@ 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 = utsname()->nodename,
};
struct rpc_message msg = {
.rpc_argp = &args,
@@ -429,7 +431,7 @@ 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/reiserfs/inode.c b/fs/reiserfs/inode.c
index 4fd5bb3..0363aa4 100644
--- a/fs/reiserfs/inode.c
+++ b/fs/reiserfs/inode.c
@@ -1568,8 +1568,10 @@ 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);
@@ -1578,6 +1580,8 @@ 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/udf/super.c b/fs/udf/super.c
index a8e867a..b0c7b53 100644
--- a/fs/udf/super.c
+++ b/fs/udf/super.c
@@ -1316,6 +1316,7 @@ static int udf_load_logicalvol(struct super_block *sb, sector_t block,
udf_error(sb, __func__, "error loading logical volume descriptor: "
"Partition table too long (%u > %lu)\n", table_len,
sb->s_blocksize - sizeof(*lvd));
+ ret = 1;
goto out_bh;
}
@@ -1360,8 +1361,10 @@ static int udf_load_logicalvol(struct super_block *sb, sector_t block,
UDF_ID_SPARABLE,
strlen(UDF_ID_SPARABLE))) {
if (udf_load_sparable_map(sb, map,
- (struct sparablePartitionMap *)gpm) < 0)
+ (struct sparablePartitionMap *)gpm) < 0) {
+ ret = 1;
goto out_bh;
+ }
} else if (!strncmp(upm2->partIdent.ident,
UDF_ID_METADATA,
strlen(UDF_ID_METADATA))) {
diff --git a/fs/xfs/linux-2.6/xfs_export.c b/fs/xfs/linux-2.6/xfs_export.c
index fed3f3c..844b22b 100644
--- a/fs/xfs/linux-2.6/xfs_export.c
+++ b/fs/xfs/linux-2.6/xfs_export.c
@@ -195,6 +195,9 @@ 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/net/ip_vs.h b/include/net/ip_vs.h
index 481f856..15b62bb 100644
--- a/include/net/ip_vs.h
+++ b/include/net/ip_vs.h
@@ -1361,7 +1361,7 @@ static inline void ip_vs_notrack(struct sk_buff *skb)
struct nf_conn *ct = nf_ct_get(skb, &ctinfo);
if (!ct || !nf_ct_is_untracked(ct)) {
- nf_reset(skb);
+ nf_conntrack_put(skb->nfct);
skb->nfct = &nf_ct_untracked_get()->ct_general;
skb->nfctinfo = IP_CT_NEW;
nf_conntrack_get(skb->nfct);
diff --git a/include/net/netfilter/nf_conntrack_ecache.h b/include/net/netfilter/nf_conntrack_ecache.h
index 4283508..3a0feb1 100644
--- a/include/net/netfilter/nf_conntrack_ecache.h
+++ b/include/net/netfilter/nf_conntrack_ecache.h
@@ -18,6 +18,7 @@ struct nf_conntrack_ecache {
u16 ctmask; /* bitmask of ct events to be delivered */
u16 expmask; /* bitmask of expect events to be delivered */
u32 pid; /* netlink pid of destroyer */
+ struct timer_list timeout;
};
static inline struct nf_conntrack_ecache *
diff --git a/kernel/module.c b/kernel/module.c
index b9d0667..a8bd215 100644
--- a/kernel/module.c
+++ b/kernel/module.c
@@ -2605,6 +2605,10 @@ 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/timer.c b/kernel/timer.c
index 8cff361..27982d9 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];
@@ -356,11 +357,12 @@ static void 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 fcedf54..769941f 100644
--- a/mm/shmem.c
+++ b/mm/shmem.c
@@ -2348,12 +2348,14 @@ 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 c0e0f76..01890e1 100644
--- a/net/core/pktgen.c
+++ b/net/core/pktgen.c
@@ -2932,7 +2932,7 @@ 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);
if (net_ratelimit())
pr_info("increased datalen to %d\n", datalen);
diff --git a/net/ipv4/netfilter/nf_conntrack_l3proto_ipv4.c b/net/ipv4/netfilter/nf_conntrack_l3proto_ipv4.c
index de9da21..d7d63f4 100644
--- a/net/ipv4/netfilter/nf_conntrack_l3proto_ipv4.c
+++ b/net/ipv4/netfilter/nf_conntrack_l3proto_ipv4.c
@@ -84,6 +84,14 @@ static int ipv4_get_l4proto(const struct sk_buff *skb, unsigned int nhoff,
*dataoff = nhoff + (iph->ihl << 2);
*protonum = iph->protocol;
+ /* Check bogus IP headers */
+ if (*dataoff > skb->len) {
+ pr_debug("nf_conntrack_ipv4: bogus IPv4 packet: "
+ "nhoff %u, ihl %u, skblen %u\n",
+ nhoff, iph->ihl << 2, skb->len);
+ return -NF_ACCEPT;
+ }
+
return NF_ACCEPT;
}
diff --git a/net/ipv4/netfilter/nf_nat_sip.c b/net/ipv4/netfilter/nf_nat_sip.c
index e40cf78..cd6881e 100644
--- a/net/ipv4/netfilter/nf_nat_sip.c
+++ b/net/ipv4/netfilter/nf_nat_sip.c
@@ -148,7 +148,7 @@ static unsigned int ip_nat_sip(struct sk_buff *skb, unsigned int dataoff,
if (ct_sip_parse_header_uri(ct, *dptr, NULL, *datalen,
hdr, NULL, &matchoff, &matchlen,
&addr, &port) > 0) {
- unsigned int matchend, poff, plen, buflen, n;
+ unsigned int olen, matchend, poff, plen, buflen, n;
char buffer[sizeof("nnn.nnn.nnn.nnn:nnnnn")];
/* We're only interested in headers related to this
@@ -163,11 +163,12 @@ static unsigned int ip_nat_sip(struct sk_buff *skb, unsigned int dataoff,
goto next;
}
+ olen = *datalen;
if (!map_addr(skb, dataoff, dptr, datalen, matchoff, matchlen,
&addr, port))
return NF_DROP;
- matchend = matchoff + matchlen;
+ matchend = matchoff + matchlen + *datalen - olen;
/* The maddr= parameter (RFC 2361) specifies where to send
* the reply. */
@@ -501,7 +502,10 @@ static unsigned int ip_nat_sdp_media(struct sk_buff *skb, unsigned int dataoff,
ret = nf_ct_expect_related(rtcp_exp);
if (ret == 0)
break;
- else if (ret != -EBUSY) {
+ else if (ret == -EBUSY) {
+ nf_ct_unexpect_related(rtp_exp);
+ continue;
+ } else if (ret < 0) {
nf_ct_unexpect_related(rtp_exp);
port = 0;
break;
diff --git a/net/netfilter/ipvs/ip_vs_ctl.c b/net/netfilter/ipvs/ip_vs_ctl.c
index 9528ea0..d75eb39 100644
--- a/net/netfilter/ipvs/ip_vs_ctl.c
+++ b/net/netfilter/ipvs/ip_vs_ctl.c
@@ -1520,11 +1520,12 @@ static int ip_vs_dst_event(struct notifier_block *this, unsigned long event,
{
struct net_device *dev = ptr;
struct net *net = dev_net(dev);
+ struct netns_ipvs *ipvs = net_ipvs(net);
struct ip_vs_service *svc;
struct ip_vs_dest *dest;
unsigned int idx;
- if (event != NETDEV_UNREGISTER)
+ if (event != NETDEV_UNREGISTER || !ipvs)
return NOTIFY_DONE;
IP_VS_DBG(3, "%s() dev=%s\n", __func__, dev->name);
EnterFunction(2);
@@ -1550,7 +1551,7 @@ static int ip_vs_dst_event(struct notifier_block *this, unsigned long event,
}
}
- list_for_each_entry(dest, &net_ipvs(net)->dest_trash, n_list) {
+ list_for_each_entry(dest, &ipvs->dest_trash, n_list) {
__ip_vs_dev_reset(dest, dev);
}
mutex_unlock(&__ip_vs_mutex);
diff --git a/net/netfilter/nf_conntrack_core.c b/net/netfilter/nf_conntrack_core.c
index f7af8b8..dff164e 100644
--- a/net/netfilter/nf_conntrack_core.c
+++ b/net/netfilter/nf_conntrack_core.c
@@ -247,12 +247,15 @@ static void death_by_event(unsigned long ul_conntrack)
{
struct nf_conn *ct = (void *)ul_conntrack;
struct net *net = nf_ct_net(ct);
+ struct nf_conntrack_ecache *ecache = nf_ct_ecache_find(ct);
+
+ BUG_ON(ecache == NULL);
if (nf_conntrack_event(IPCT_DESTROY, ct) < 0) {
/* bad luck, let's retry again */
- ct->timeout.expires = jiffies +
+ ecache->timeout.expires = jiffies +
(random32() % net->ct.sysctl_events_retry_timeout);
- add_timer(&ct->timeout);
+ add_timer(&ecache->timeout);
return;
}
/* we've got the event delivered, now it's dying */
@@ -266,6 +269,9 @@ static void death_by_event(unsigned long ul_conntrack)
void nf_ct_insert_dying_list(struct nf_conn *ct)
{
struct net *net = nf_ct_net(ct);
+ struct nf_conntrack_ecache *ecache = nf_ct_ecache_find(ct);
+
+ BUG_ON(ecache == NULL);
/* add this conntrack to the dying list */
spin_lock_bh(&nf_conntrack_lock);
@@ -273,10 +279,10 @@ void nf_ct_insert_dying_list(struct nf_conn *ct)
&net->ct.dying);
spin_unlock_bh(&nf_conntrack_lock);
/* set a new timer to retry event delivery */
- setup_timer(&ct->timeout, death_by_event, (unsigned long)ct);
- ct->timeout.expires = jiffies +
+ setup_timer(&ecache->timeout, death_by_event, (unsigned long)ct);
+ ecache->timeout.expires = jiffies +
(random32() % net->ct.sysctl_events_retry_timeout);
- add_timer(&ct->timeout);
+ add_timer(&ecache->timeout);
}
EXPORT_SYMBOL_GPL(nf_ct_insert_dying_list);
diff --git a/net/netfilter/nf_conntrack_expect.c b/net/netfilter/nf_conntrack_expect.c
index cd1e8e0..a3dffab 100644
--- a/net/netfilter/nf_conntrack_expect.c
+++ b/net/netfilter/nf_conntrack_expect.c
@@ -364,23 +364,6 @@ static void evict_oldest_expect(struct nf_conn *master,
}
}
-static inline int refresh_timer(struct nf_conntrack_expect *i)
-{
- struct nf_conn_help *master_help = nfct_help(i->master);
- const struct nf_conntrack_expect_policy *p;
-
- if (!del_timer(&i->timeout))
- return 0;
-
- p = &rcu_dereference_protected(
- master_help->helper,
- lockdep_is_held(&nf_conntrack_lock)
- )->expect_policy[i->class];
- i->timeout.expires = jiffies + p->timeout * HZ;
- add_timer(&i->timeout);
- return 1;
-}
-
static inline int __nf_ct_expect_check(struct nf_conntrack_expect *expect)
{
const struct nf_conntrack_expect_policy *p;
@@ -388,7 +371,7 @@ static inline int __nf_ct_expect_check(struct nf_conntrack_expect *expect)
struct nf_conn *master = expect->master;
struct nf_conn_help *master_help = nfct_help(master);
struct net *net = nf_ct_exp_net(expect);
- struct hlist_node *n;
+ struct hlist_node *n, *next;
unsigned int h;
int ret = 1;
@@ -399,12 +382,12 @@ static inline int __nf_ct_expect_check(struct nf_conntrack_expect *expect)
goto out;
}
h = nf_ct_expect_dst_hash(&expect->tuple);
- hlist_for_each_entry(i, n, &net->ct.expect_hash[h], hnode) {
+ hlist_for_each_entry_safe(i, n, next, &net->ct.expect_hash[h], hnode) {
if (expect_matches(i, expect)) {
- /* Refresh timer: if it's dying, ignore.. */
- if (refresh_timer(i)) {
- ret = 0;
- goto out;
+ if (del_timer(&i->timeout)) {
+ nf_ct_unlink_expect(i);
+ nf_ct_expect_put(i);
+ break;
}
} else if (expect_clash(i, expect)) {
ret = -EBUSY;
diff --git a/net/netfilter/xt_hashlimit.c b/net/netfilter/xt_hashlimit.c
index 9228ee0d..6092b0c 100644
--- a/net/netfilter/xt_hashlimit.c
+++ b/net/netfilter/xt_hashlimit.c
@@ -392,8 +392,7 @@ static void htable_put(struct xt_hashlimit_htable *hinfo)
#define CREDITS_PER_JIFFY POW2_BELOW32(MAX_CPJ)
/* Precision saver. */
-static inline u_int32_t
-user2credits(u_int32_t user)
+static u32 user2credits(u32 user)
{
/* If multiplying would overflow... */
if (user > 0xFFFFFFFF / (HZ*CREDITS_PER_JIFFY))
@@ -403,7 +402,7 @@ user2credits(u_int32_t user)
return (user * HZ * CREDITS_PER_JIFFY) / XT_HASHLIMIT_SCALE;
}
-static inline void rateinfo_recalc(struct dsthash_ent *dh, unsigned long now)
+static void rateinfo_recalc(struct dsthash_ent *dh, unsigned long now)
{
dh->rateinfo.credit += (now - dh->rateinfo.prev) * CREDITS_PER_JIFFY;
if (dh->rateinfo.credit > dh->rateinfo.credit_cap)
@@ -534,8 +533,7 @@ hashlimit_mt(const struct sk_buff *skb, struct xt_action_param *par)
dh->rateinfo.prev = jiffies;
dh->rateinfo.credit = user2credits(hinfo->cfg.avg *
hinfo->cfg.burst);
- dh->rateinfo.credit_cap = user2credits(hinfo->cfg.avg *
- hinfo->cfg.burst);
+ dh->rateinfo.credit_cap = dh->rateinfo.credit;
dh->rateinfo.cost = user2credits(hinfo->cfg.avg);
} else {
/* update expiration timeout */
diff --git a/net/netfilter/xt_limit.c b/net/netfilter/xt_limit.c
index 32b7a57..a4c1e45 100644
--- a/net/netfilter/xt_limit.c
+++ b/net/netfilter/xt_limit.c
@@ -88,8 +88,7 @@ limit_mt(const struct sk_buff *skb, struct xt_action_param *par)
}
/* Precision saver. */
-static u_int32_t
-user2credits(u_int32_t user)
+static u32 user2credits(u32 user)
{
/* If multiplying would overflow... */
if (user > 0xFFFFFFFF / (HZ*CREDITS_PER_JIFFY))
@@ -118,12 +117,12 @@ static int limit_mt_check(const struct xt_mtchk_param *par)
/* For SMP, we only want to use one set of state. */
r->master = priv;
+ /* User avg in seconds * XT_LIMIT_SCALE: convert to jiffies *
+ 128. */
+ priv->prev = jiffies;
+ priv->credit = user2credits(r->avg * r->burst); /* Credits full. */
if (r->cost == 0) {
- /* User avg in seconds * XT_LIMIT_SCALE: convert to jiffies *
- 128. */
- priv->prev = jiffies;
- priv->credit = user2credits(r->avg * r->burst); /* Credits full. */
- r->credit_cap = user2credits(r->avg * r->burst); /* Credits full. */
+ r->credit_cap = priv->credit; /* Credits full. */
r->cost = user2credits(r->avg);
}
return 0;
diff --git a/net/sunrpc/xprtsock.c b/net/sunrpc/xprtsock.c
index 554111f..cfd7d15 100644
--- a/net/sunrpc/xprtsock.c
+++ b/net/sunrpc/xprtsock.c
@@ -1015,6 +1015,16 @@ 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);
@@ -1041,7 +1051,7 @@ 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",
@@ -1122,7 +1132,7 @@ 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);
}
@@ -1445,6 +1455,8 @@ 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();
@@ -1502,8 +1514,8 @@ 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
@@ -2146,8 +2158,7 @@ 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/sound/pci/ac97/ac97_codec.c b/sound/pci/ac97/ac97_codec.c
index 7f4d619..11ccc23 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 15f0161..0800bcc 100644
--- a/sound/pci/emu10k1/emu10k1_main.c
+++ b/sound/pci/emu10k1/emu10k1_main.c
@@ -1415,6 +1415,15 @@ 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,
--
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