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Date: Sat, 2 May 2009 13:05:28 -0700
From: Greg KH <gregkh@...e.de>
To: linux-kernel@...r.kernel.org,
Andrew Morton <akpm@...ux-foundation.org>,
torvalds@...ux-foundation.org, stable@...nel.org
Subject: Re: Linux 2.6.27.21
diff --git a/Makefile b/Makefile
index 0664c76..d3b7fc8 100644
--- a/Makefile
+++ b/Makefile
@@ -1,7 +1,7 @@
VERSION = 2
PATCHLEVEL = 6
SUBLEVEL = 27
-EXTRAVERSION = .21
+EXTRAVERSION = .22
NAME = Trembling Tortoise
# *DOCUMENTATION*
diff --git a/arch/powerpc/include/asm/futex.h b/arch/powerpc/include/asm/futex.h
index 6d406c5..9696cc3 100644
--- a/arch/powerpc/include/asm/futex.h
+++ b/arch/powerpc/include/asm/futex.h
@@ -27,7 +27,7 @@
PPC_LONG "1b,4b,2b,4b\n" \
".previous" \
: "=&r" (oldval), "=&r" (ret) \
- : "b" (uaddr), "i" (-EFAULT), "1" (oparg) \
+ : "b" (uaddr), "i" (-EFAULT), "r" (oparg) \
: "cr0", "memory")
static inline int futex_atomic_op_inuser (int encoded_op, int __user *uaddr)
@@ -47,19 +47,19 @@ static inline int futex_atomic_op_inuser (int encoded_op, int __user *uaddr)
switch (op) {
case FUTEX_OP_SET:
- __futex_atomic_op("", ret, oldval, uaddr, oparg);
+ __futex_atomic_op("mr %1,%4\n", ret, oldval, uaddr, oparg);
break;
case FUTEX_OP_ADD:
- __futex_atomic_op("add %1,%0,%1\n", ret, oldval, uaddr, oparg);
+ __futex_atomic_op("add %1,%0,%4\n", ret, oldval, uaddr, oparg);
break;
case FUTEX_OP_OR:
- __futex_atomic_op("or %1,%0,%1\n", ret, oldval, uaddr, oparg);
+ __futex_atomic_op("or %1,%0,%4\n", ret, oldval, uaddr, oparg);
break;
case FUTEX_OP_ANDN:
- __futex_atomic_op("andc %1,%0,%1\n", ret, oldval, uaddr, oparg);
+ __futex_atomic_op("andc %1,%0,%4\n", ret, oldval, uaddr, oparg);
break;
case FUTEX_OP_XOR:
- __futex_atomic_op("xor %1,%0,%1\n", ret, oldval, uaddr, oparg);
+ __futex_atomic_op("xor %1,%0,%4\n", ret, oldval, uaddr, oparg);
break;
default:
ret = -ENOSYS;
diff --git a/arch/powerpc/include/asm/processor.h b/arch/powerpc/include/asm/processor.h
index 101ed87..ae1c5b5 100644
--- a/arch/powerpc/include/asm/processor.h
+++ b/arch/powerpc/include/asm/processor.h
@@ -309,6 +309,25 @@ static inline void prefetchw(const void *x)
#define HAVE_ARCH_PICK_MMAP_LAYOUT
#endif
+#ifdef CONFIG_PPC64
+static inline unsigned long get_clean_sp(struct pt_regs *regs, int is_32)
+{
+ unsigned long sp;
+
+ if (is_32)
+ sp = regs->gpr[1] & 0x0ffffffffUL;
+ else
+ sp = regs->gpr[1];
+
+ return sp;
+}
+#else
+static inline unsigned long get_clean_sp(struct pt_regs *regs, int is_32)
+{
+ return regs->gpr[1];
+}
+#endif
+
#endif /* __KERNEL__ */
#endif /* __ASSEMBLY__ */
#endif /* _ASM_POWERPC_PROCESSOR_H */
diff --git a/arch/powerpc/kernel/signal.c b/arch/powerpc/kernel/signal.c
index a54405e..00b5078 100644
--- a/arch/powerpc/kernel/signal.c
+++ b/arch/powerpc/kernel/signal.c
@@ -26,12 +26,12 @@ int show_unhandled_signals = 0;
* Allocate space for the signal frame
*/
void __user * get_sigframe(struct k_sigaction *ka, struct pt_regs *regs,
- size_t frame_size)
+ size_t frame_size, int is_32)
{
unsigned long oldsp, newsp;
/* Default to using normal stack */
- oldsp = regs->gpr[1];
+ oldsp = get_clean_sp(regs, is_32);
/* Check for alt stack */
if ((ka->sa.sa_flags & SA_ONSTACK) &&
diff --git a/arch/powerpc/kernel/signal.h b/arch/powerpc/kernel/signal.h
index 28f4b9f..f77d502 100644
--- a/arch/powerpc/kernel/signal.h
+++ b/arch/powerpc/kernel/signal.h
@@ -13,7 +13,7 @@
#define _BLOCKABLE (~(sigmask(SIGKILL) | sigmask(SIGSTOP)))
extern void __user * get_sigframe(struct k_sigaction *ka, struct pt_regs *regs,
- size_t frame_size);
+ size_t frame_size, int is_32);
extern void restore_sigmask(sigset_t *set);
extern int handle_signal32(unsigned long sig, struct k_sigaction *ka,
diff --git a/arch/powerpc/kernel/signal_32.c b/arch/powerpc/kernel/signal_32.c
index a6a4310..9084a27 100644
--- a/arch/powerpc/kernel/signal_32.c
+++ b/arch/powerpc/kernel/signal_32.c
@@ -836,7 +836,7 @@ int handle_rt_signal32(unsigned long sig, struct k_sigaction *ka,
/* Set up Signal Frame */
/* Put a Real Time Context onto stack */
- rt_sf = get_sigframe(ka, regs, sizeof(*rt_sf));
+ rt_sf = get_sigframe(ka, regs, sizeof(*rt_sf), 1);
addr = rt_sf;
if (unlikely(rt_sf == NULL))
goto badframe;
@@ -1170,7 +1170,7 @@ int handle_signal32(unsigned long sig, struct k_sigaction *ka,
unsigned long newsp = 0;
/* Set up Signal Frame */
- frame = get_sigframe(ka, regs, sizeof(*frame));
+ frame = get_sigframe(ka, regs, sizeof(*frame), 1);
if (unlikely(frame == NULL))
goto badframe;
sc = (struct sigcontext __user *) &frame->sctx;
diff --git a/arch/powerpc/kernel/signal_64.c b/arch/powerpc/kernel/signal_64.c
index e4acdbd..3de15b0 100644
--- a/arch/powerpc/kernel/signal_64.c
+++ b/arch/powerpc/kernel/signal_64.c
@@ -404,7 +404,7 @@ int handle_rt_signal64(int signr, struct k_sigaction *ka, siginfo_t *info,
unsigned long newsp = 0;
long err = 0;
- frame = get_sigframe(ka, regs, sizeof(*frame));
+ frame = get_sigframe(ka, regs, sizeof(*frame), 0);
if (unlikely(frame == NULL))
goto badframe;
diff --git a/arch/x86/boot/memory.c b/arch/x86/boot/memory.c
index 8c3c25f..a99dbbe 100644
--- a/arch/x86/boot/memory.c
+++ b/arch/x86/boot/memory.c
@@ -27,13 +27,14 @@ static int detect_memory_e820(void)
do {
size = sizeof(struct e820entry);
- /* Important: %edx is clobbered by some BIOSes,
- so it must be either used for the error output
+ /* Important: %edx and %esi are clobbered by some BIOSes,
+ so they must be either used for the error output
or explicitly marked clobbered. */
asm("int $0x15; setc %0"
: "=d" (err), "+b" (next), "=a" (id), "+c" (size),
"=m" (*desc)
- : "D" (desc), "d" (SMAP), "a" (0xe820));
+ : "D" (desc), "d" (SMAP), "a" (0xe820)
+ : "esi");
/* BIOSes which terminate the chain with CF = 1 as opposed
to %ebx = 0 don't always report the SMAP signature on
diff --git a/arch/x86/kernel/cpu/mtrr/generic.c b/arch/x86/kernel/cpu/mtrr/generic.c
index cb7d3b6..26baabd 100644
--- a/arch/x86/kernel/cpu/mtrr/generic.c
+++ b/arch/x86/kernel/cpu/mtrr/generic.c
@@ -45,6 +45,32 @@ u64 mtrr_tom2;
static int mtrr_show;
module_param_named(show, mtrr_show, bool, 0);
+/**
+ * BIOS is expected to clear MtrrFixDramModEn bit, see for example
+ * "BIOS and Kernel Developer's Guide for the AMD Athlon 64 and AMD
+ * Opteron Processors" (26094 Rev. 3.30 February 2006), section
+ * "13.2.1.2 SYSCFG Register": "The MtrrFixDramModEn bit should be set
+ * to 1 during BIOS initalization of the fixed MTRRs, then cleared to
+ * 0 for operation."
+ */
+static inline void k8_check_syscfg_dram_mod_en(void)
+{
+ u32 lo, hi;
+
+ if (!((boot_cpu_data.x86_vendor == X86_VENDOR_AMD) &&
+ (boot_cpu_data.x86 >= 0x0f)))
+ return;
+
+ rdmsr(MSR_K8_SYSCFG, lo, hi);
+ if (lo & K8_MTRRFIXRANGE_DRAM_MODIFY) {
+ printk(KERN_ERR "MTRR: CPU %u: SYSCFG[MtrrFixDramModEn]"
+ " not cleared by BIOS, clearing this bit\n",
+ smp_processor_id());
+ lo &= ~K8_MTRRFIXRANGE_DRAM_MODIFY;
+ mtrr_wrmsr(MSR_K8_SYSCFG, lo, hi);
+ }
+}
+
/*
* Returns the effective MTRR type for the region
* Error returns:
@@ -178,6 +204,8 @@ get_fixed_ranges(mtrr_type * frs)
unsigned int *p = (unsigned int *) frs;
int i;
+ k8_check_syscfg_dram_mod_en();
+
rdmsr(MTRRfix64K_00000_MSR, p[0], p[1]);
for (i = 0; i < 2; i++)
@@ -312,27 +340,10 @@ void mtrr_wrmsr(unsigned msr, unsigned a, unsigned b)
}
/**
- * Enable and allow read/write of extended fixed-range MTRR bits on K8 CPUs
- * see AMD publication no. 24593, chapter 3.2.1 for more information
- */
-static inline void k8_enable_fixed_iorrs(void)
-{
- unsigned lo, hi;
-
- rdmsr(MSR_K8_SYSCFG, lo, hi);
- mtrr_wrmsr(MSR_K8_SYSCFG, lo
- | K8_MTRRFIXRANGE_DRAM_ENABLE
- | K8_MTRRFIXRANGE_DRAM_MODIFY, hi);
-}
-
-/**
* set_fixed_range - checks & updates a fixed-range MTRR if it differs from the value it should have
* @msr: MSR address of the MTTR which should be checked and updated
* @changed: pointer which indicates whether the MTRR needed to be changed
* @msrwords: pointer to the MSR values which the MSR should have
- *
- * If K8 extentions are wanted, update the K8 SYSCFG MSR also.
- * See AMD publication no. 24593, chapter 7.8.1, page 233 for more information.
*/
static void set_fixed_range(int msr, bool *changed, unsigned int *msrwords)
{
@@ -341,10 +352,6 @@ static void set_fixed_range(int msr, bool *changed, unsigned int *msrwords)
rdmsr(msr, lo, hi);
if (lo != msrwords[0] || hi != msrwords[1]) {
- if (boot_cpu_data.x86_vendor == X86_VENDOR_AMD &&
- (boot_cpu_data.x86 >= 0x0f && boot_cpu_data.x86 <= 0x11) &&
- ((msrwords[0] | msrwords[1]) & K8_MTRR_RDMEM_WRMEM_MASK))
- k8_enable_fixed_iorrs();
mtrr_wrmsr(msr, msrwords[0], msrwords[1]);
*changed = true;
}
@@ -428,6 +435,8 @@ static int set_fixed_ranges(mtrr_type * frs)
bool changed = false;
int block=-1, range;
+ k8_check_syscfg_dram_mod_en();
+
while (fixed_range_blocks[++block].ranges)
for (range=0; range < fixed_range_blocks[block].ranges; range++)
set_fixed_range(fixed_range_blocks[block].base_msr + range,
diff --git a/arch/x86/pci/i386.c b/arch/x86/pci/i386.c
index 8791fc5..b4b899a 100644
--- a/arch/x86/pci/i386.c
+++ b/arch/x86/pci/i386.c
@@ -326,6 +326,9 @@ int pci_mmap_page_range(struct pci_dev *dev, struct vm_area_struct *vma,
return -EINVAL;
}
flags = new_flags;
+ vma->vm_page_prot = __pgprot(
+ (pgprot_val(vma->vm_page_prot) & ~_PAGE_CACHE_MASK) |
+ flags);
}
if (((vma->vm_pgoff < max_low_pfn_mapped) ||
diff --git a/drivers/acpi/ec.c b/drivers/acpi/ec.c
index 2694998..e618cbe 100644
--- a/drivers/acpi/ec.c
+++ b/drivers/acpi/ec.c
@@ -968,9 +968,9 @@ static const struct acpi_device_id ec_device_ids[] = {
int __init acpi_ec_ecdt_probe(void)
{
- int ret;
acpi_status status;
struct acpi_table_ecdt *ecdt_ptr;
+ acpi_handle dummy;
boot_ec = make_acpi_ec();
if (!boot_ec)
@@ -996,30 +996,31 @@ int __init acpi_ec_ecdt_probe(void)
boot_ec->gpe = ecdt_ptr->gpe;
boot_ec->handle = ACPI_ROOT_OBJECT;
acpi_get_handle(ACPI_ROOT_OBJECT, ecdt_ptr->id, &boot_ec->handle);
- } else {
- /* This workaround is needed only on some broken machines,
- * which require early EC, but fail to provide ECDT */
- acpi_handle x;
- printk(KERN_DEBUG PREFIX "Look up EC in DSDT\n");
- status = acpi_get_devices(ec_device_ids[0].id, ec_parse_device,
- boot_ec, NULL);
- /* Check that acpi_get_devices actually find something */
- if (ACPI_FAILURE(status) || !boot_ec->handle)
- goto error;
- /* We really need to limit this workaround, the only ASUS,
- * which needs it, has fake EC._INI method, so use it as flag.
- * Keep boot_ec struct as it will be needed soon.
- */
- if (ACPI_FAILURE(acpi_get_handle(boot_ec->handle, "_INI", &x)))
- return -ENODEV;
+ /* Add some basic check against completely broken table */
+ if (boot_ec->data_addr != boot_ec->command_addr)
+ goto install;
+ /* fall through */
}
-
- ret = ec_install_handlers(boot_ec);
- if (!ret) {
+ /* This workaround is needed only on some broken machines,
+ * which require early EC, but fail to provide ECDT */
+ printk(KERN_DEBUG PREFIX "Look up EC in DSDT\n");
+ status = acpi_get_devices(ec_device_ids[0].id, ec_parse_device,
+ boot_ec, NULL);
+ /* Check that acpi_get_devices actually find something */
+ if (ACPI_FAILURE(status) || !boot_ec->handle)
+ goto error;
+ /* We really need to limit this workaround, the only ASUS,
+ * which needs it, has fake EC._INI method, so use it as flag.
+ * Keep boot_ec struct as it will be needed soon.
+ */
+ if (ACPI_FAILURE(acpi_get_handle(boot_ec->handle, "_INI", &dummy)))
+ return -ENODEV;
+install:
+ if (!ec_install_handlers(boot_ec)) {
first_ec = boot_ec;
return 0;
}
- error:
+error:
kfree(boot_ec);
boot_ec = NULL;
return -ENODEV;
diff --git a/drivers/ata/pata_hpt37x.c b/drivers/ata/pata_hpt37x.c
index 4216399..233a5fd 100644
--- a/drivers/ata/pata_hpt37x.c
+++ b/drivers/ata/pata_hpt37x.c
@@ -8,7 +8,7 @@
* Copyright (C) 1999-2003 Andre Hedrick <andre@...ux-ide.org>
* Portions Copyright (C) 2001 Sun Microsystems, Inc.
* Portions Copyright (C) 2003 Red Hat Inc
- * Portions Copyright (C) 2005-2007 MontaVista Software, Inc.
+ * Portions Copyright (C) 2005-2009 MontaVista Software, Inc.
*
* TODO
* Look into engine reset on timeout errors. Should not be required.
@@ -24,7 +24,7 @@
#include <linux/libata.h>
#define DRV_NAME "pata_hpt37x"
-#define DRV_VERSION "0.6.11"
+#define DRV_VERSION "0.6.12"
struct hpt_clock {
u8 xfer_speed;
@@ -445,23 +445,6 @@ static void hpt370_set_dmamode(struct ata_port *ap, struct ata_device *adev)
}
/**
- * hpt370_bmdma_start - DMA engine begin
- * @qc: ATA command
- *
- * The 370 and 370A want us to reset the DMA engine each time we
- * use it. The 372 and later are fine.
- */
-
-static void hpt370_bmdma_start(struct ata_queued_cmd *qc)
-{
- struct ata_port *ap = qc->ap;
- struct pci_dev *pdev = to_pci_dev(ap->host->dev);
- pci_write_config_byte(pdev, 0x50 + 4 * ap->port_no, 0x37);
- udelay(10);
- ata_bmdma_start(qc);
-}
-
-/**
* hpt370_bmdma_end - DMA engine stop
* @qc: ATA command
*
@@ -598,7 +581,6 @@ static struct scsi_host_template hpt37x_sht = {
static struct ata_port_operations hpt370_port_ops = {
.inherits = &ata_bmdma_port_ops,
- .bmdma_start = hpt370_bmdma_start,
.bmdma_stop = hpt370_bmdma_stop,
.mode_filter = hpt370_filter,
diff --git a/drivers/char/agp/generic.c b/drivers/char/agp/generic.c
index 118dbde..8cf3dca 100644
--- a/drivers/char/agp/generic.c
+++ b/drivers/char/agp/generic.c
@@ -1207,7 +1207,7 @@ void *agp_generic_alloc_page(struct agp_bridge_data *bridge)
{
struct page * page;
- page = alloc_page(GFP_KERNEL | GFP_DMA32);
+ page = alloc_page(GFP_KERNEL | GFP_DMA32 | __GFP_ZERO);
if (page == NULL)
return NULL;
diff --git a/drivers/char/raw.c b/drivers/char/raw.c
index 47b8cf2..92022aa 100644
--- a/drivers/char/raw.c
+++ b/drivers/char/raw.c
@@ -90,6 +90,7 @@ out1:
blkdev_put(bdev);
out:
mutex_unlock(&raw_mutex);
+ unlock_kernel();
return err;
}
diff --git a/drivers/crypto/ixp4xx_crypto.c b/drivers/crypto/ixp4xx_crypto.c
index 2d637e0..fdcd0ab 100644
--- a/drivers/crypto/ixp4xx_crypto.c
+++ b/drivers/crypto/ixp4xx_crypto.c
@@ -101,6 +101,7 @@ struct buffer_desc {
u32 phys_addr;
u32 __reserved[4];
struct buffer_desc *next;
+ enum dma_data_direction dir;
};
struct crypt_ctl {
@@ -132,14 +133,10 @@ struct crypt_ctl {
struct ablk_ctx {
struct buffer_desc *src;
struct buffer_desc *dst;
- unsigned src_nents;
- unsigned dst_nents;
};
struct aead_ctx {
struct buffer_desc *buffer;
- unsigned short assoc_nents;
- unsigned short src_nents;
struct scatterlist ivlist;
/* used when the hmac is not on one sg entry */
u8 *hmac_virt;
@@ -312,7 +309,7 @@ static struct crypt_ctl *get_crypt_desc_emerg(void)
}
}
-static void free_buf_chain(struct buffer_desc *buf, u32 phys)
+static void free_buf_chain(struct device *dev, struct buffer_desc *buf,u32 phys)
{
while (buf) {
struct buffer_desc *buf1;
@@ -320,6 +317,7 @@ static void free_buf_chain(struct buffer_desc *buf, u32 phys)
buf1 = buf->next;
phys1 = buf->phys_next;
+ dma_unmap_single(dev, buf->phys_next, buf->buf_len, buf->dir);
dma_pool_free(buffer_pool, buf, phys);
buf = buf1;
phys = phys1;
@@ -348,7 +346,6 @@ static void one_packet(dma_addr_t phys)
struct crypt_ctl *crypt;
struct ixp_ctx *ctx;
int failed;
- enum dma_data_direction src_direction = DMA_BIDIRECTIONAL;
failed = phys & 0x1 ? -EBADMSG : 0;
phys &= ~0x3;
@@ -358,13 +355,8 @@ static void one_packet(dma_addr_t phys)
case CTL_FLAG_PERFORM_AEAD: {
struct aead_request *req = crypt->data.aead_req;
struct aead_ctx *req_ctx = aead_request_ctx(req);
- dma_unmap_sg(dev, req->assoc, req_ctx->assoc_nents,
- DMA_TO_DEVICE);
- dma_unmap_sg(dev, &req_ctx->ivlist, 1, DMA_BIDIRECTIONAL);
- dma_unmap_sg(dev, req->src, req_ctx->src_nents,
- DMA_BIDIRECTIONAL);
- free_buf_chain(req_ctx->buffer, crypt->src_buf);
+ free_buf_chain(dev, req_ctx->buffer, crypt->src_buf);
if (req_ctx->hmac_virt) {
finish_scattered_hmac(crypt);
}
@@ -374,16 +366,11 @@ static void one_packet(dma_addr_t phys)
case CTL_FLAG_PERFORM_ABLK: {
struct ablkcipher_request *req = crypt->data.ablk_req;
struct ablk_ctx *req_ctx = ablkcipher_request_ctx(req);
- int nents;
+
if (req_ctx->dst) {
- nents = req_ctx->dst_nents;
- dma_unmap_sg(dev, req->dst, nents, DMA_FROM_DEVICE);
- free_buf_chain(req_ctx->dst, crypt->dst_buf);
- src_direction = DMA_TO_DEVICE;
+ free_buf_chain(dev, req_ctx->dst, crypt->dst_buf);
}
- nents = req_ctx->src_nents;
- dma_unmap_sg(dev, req->src, nents, src_direction);
- free_buf_chain(req_ctx->src, crypt->src_buf);
+ free_buf_chain(dev, req_ctx->src, crypt->src_buf);
req->base.complete(&req->base, failed);
break;
}
@@ -748,56 +735,35 @@ static int setup_cipher(struct crypto_tfm *tfm, int encrypt,
return 0;
}
-static int count_sg(struct scatterlist *sg, int nbytes)
+static struct buffer_desc *chainup_buffers(struct device *dev,
+ struct scatterlist *sg, unsigned nbytes,
+ struct buffer_desc *buf, gfp_t flags,
+ enum dma_data_direction dir)
{
- int i;
- for (i = 0; nbytes > 0; i++, sg = sg_next(sg))
- nbytes -= sg->length;
- return i;
-}
-
-static struct buffer_desc *chainup_buffers(struct scatterlist *sg,
- unsigned nbytes, struct buffer_desc *buf, gfp_t flags)
-{
- int nents = 0;
-
- while (nbytes > 0) {
+ for (;nbytes > 0; sg = scatterwalk_sg_next(sg)) {
+ unsigned len = min(nbytes, sg->length);
struct buffer_desc *next_buf;
u32 next_buf_phys;
- unsigned len = min(nbytes, sg_dma_len(sg));
+ void *ptr;
- nents++;
nbytes -= len;
- if (!buf->phys_addr) {
- buf->phys_addr = sg_dma_address(sg);
- buf->buf_len = len;
- buf->next = NULL;
- buf->phys_next = 0;
- goto next;
- }
- /* Two consecutive chunks on one page may be handled by the old
- * buffer descriptor, increased by the length of the new one
- */
- if (sg_dma_address(sg) == buf->phys_addr + buf->buf_len) {
- buf->buf_len += len;
- goto next;
- }
+ ptr = page_address(sg_page(sg)) + sg->offset;
next_buf = dma_pool_alloc(buffer_pool, flags, &next_buf_phys);
- if (!next_buf)
- return NULL;
+ if (!next_buf) {
+ buf = NULL;
+ break;
+ }
+ sg_dma_address(sg) = dma_map_single(dev, ptr, len, dir);
buf->next = next_buf;
buf->phys_next = next_buf_phys;
-
buf = next_buf;
- buf->next = NULL;
- buf->phys_next = 0;
+
buf->phys_addr = sg_dma_address(sg);
buf->buf_len = len;
-next:
- if (nbytes > 0) {
- sg = sg_next(sg);
- }
+ buf->dir = dir;
}
+ buf->next = NULL;
+ buf->phys_next = 0;
return buf;
}
@@ -858,12 +824,12 @@ static int ablk_perform(struct ablkcipher_request *req, int encrypt)
struct crypto_ablkcipher *tfm = crypto_ablkcipher_reqtfm(req);
struct ixp_ctx *ctx = crypto_ablkcipher_ctx(tfm);
unsigned ivsize = crypto_ablkcipher_ivsize(tfm);
- int ret = -ENOMEM;
struct ix_sa_dir *dir;
struct crypt_ctl *crypt;
- unsigned int nbytes = req->nbytes, nents;
+ unsigned int nbytes = req->nbytes;
enum dma_data_direction src_direction = DMA_BIDIRECTIONAL;
struct ablk_ctx *req_ctx = ablkcipher_request_ctx(req);
+ struct buffer_desc src_hook;
gfp_t flags = req->base.flags & CRYPTO_TFM_REQ_MAY_SLEEP ?
GFP_KERNEL : GFP_ATOMIC;
@@ -876,7 +842,7 @@ static int ablk_perform(struct ablkcipher_request *req, int encrypt)
crypt = get_crypt_desc();
if (!crypt)
- return ret;
+ return -ENOMEM;
crypt->data.ablk_req = req;
crypt->crypto_ctx = dir->npe_ctx_phys;
@@ -889,53 +855,41 @@ static int ablk_perform(struct ablkcipher_request *req, int encrypt)
BUG_ON(ivsize && !req->info);
memcpy(crypt->iv, req->info, ivsize);
if (req->src != req->dst) {
+ struct buffer_desc dst_hook;
crypt->mode |= NPE_OP_NOT_IN_PLACE;
- nents = count_sg(req->dst, nbytes);
/* This was never tested by Intel
* for more than one dst buffer, I think. */
- BUG_ON(nents != 1);
- req_ctx->dst_nents = nents;
- dma_map_sg(dev, req->dst, nents, DMA_FROM_DEVICE);
- req_ctx->dst = dma_pool_alloc(buffer_pool, flags,&crypt->dst_buf);
- if (!req_ctx->dst)
- goto unmap_sg_dest;
- req_ctx->dst->phys_addr = 0;
- if (!chainup_buffers(req->dst, nbytes, req_ctx->dst, flags))
+ BUG_ON(req->dst->length < nbytes);
+ req_ctx->dst = NULL;
+ if (!chainup_buffers(dev, req->dst, nbytes, &dst_hook,
+ flags, DMA_FROM_DEVICE))
goto free_buf_dest;
src_direction = DMA_TO_DEVICE;
+ req_ctx->dst = dst_hook.next;
+ crypt->dst_buf = dst_hook.phys_next;
} else {
req_ctx->dst = NULL;
- req_ctx->dst_nents = 0;
}
- nents = count_sg(req->src, nbytes);
- req_ctx->src_nents = nents;
- dma_map_sg(dev, req->src, nents, src_direction);
-
- req_ctx->src = dma_pool_alloc(buffer_pool, flags, &crypt->src_buf);
- if (!req_ctx->src)
- goto unmap_sg_src;
- req_ctx->src->phys_addr = 0;
- if (!chainup_buffers(req->src, nbytes, req_ctx->src, flags))
+ req_ctx->src = NULL;
+ if (!chainup_buffers(dev, req->src, nbytes, &src_hook,
+ flags, src_direction))
goto free_buf_src;
+ req_ctx->src = src_hook.next;
+ crypt->src_buf = src_hook.phys_next;
crypt->ctl_flags |= CTL_FLAG_PERFORM_ABLK;
qmgr_put_entry(SEND_QID, crypt_virt2phys(crypt));
BUG_ON(qmgr_stat_overflow(SEND_QID));
return -EINPROGRESS;
free_buf_src:
- free_buf_chain(req_ctx->src, crypt->src_buf);
-unmap_sg_src:
- dma_unmap_sg(dev, req->src, req_ctx->src_nents, src_direction);
+ free_buf_chain(dev, req_ctx->src, crypt->src_buf);
free_buf_dest:
if (req->src != req->dst) {
- free_buf_chain(req_ctx->dst, crypt->dst_buf);
-unmap_sg_dest:
- dma_unmap_sg(dev, req->src, req_ctx->dst_nents,
- DMA_FROM_DEVICE);
+ free_buf_chain(dev, req_ctx->dst, crypt->dst_buf);
}
crypt->ctl_flags = CTL_FLAG_UNUSED;
- return ret;
+ return -ENOMEM;
}
static int ablk_encrypt(struct ablkcipher_request *req)
@@ -983,7 +937,7 @@ static int hmac_inconsistent(struct scatterlist *sg, unsigned start,
break;
offset += sg->length;
- sg = sg_next(sg);
+ sg = scatterwalk_sg_next(sg);
}
return (start + nbytes > offset + sg->length);
}
@@ -995,11 +949,10 @@ static int aead_perform(struct aead_request *req, int encrypt,
struct ixp_ctx *ctx = crypto_aead_ctx(tfm);
unsigned ivsize = crypto_aead_ivsize(tfm);
unsigned authsize = crypto_aead_authsize(tfm);
- int ret = -ENOMEM;
struct ix_sa_dir *dir;
struct crypt_ctl *crypt;
- unsigned int cryptlen, nents;
- struct buffer_desc *buf;
+ unsigned int cryptlen;
+ struct buffer_desc *buf, src_hook;
struct aead_ctx *req_ctx = aead_request_ctx(req);
gfp_t flags = req->base.flags & CRYPTO_TFM_REQ_MAY_SLEEP ?
GFP_KERNEL : GFP_ATOMIC;
@@ -1020,7 +973,7 @@ static int aead_perform(struct aead_request *req, int encrypt,
}
crypt = get_crypt_desc();
if (!crypt)
- return ret;
+ return -ENOMEM;
crypt->data.aead_req = req;
crypt->crypto_ctx = dir->npe_ctx_phys;
@@ -1039,31 +992,27 @@ static int aead_perform(struct aead_request *req, int encrypt,
BUG(); /* -ENOTSUP because of my lazyness */
}
- req_ctx->buffer = dma_pool_alloc(buffer_pool, flags, &crypt->src_buf);
- if (!req_ctx->buffer)
- goto out;
- req_ctx->buffer->phys_addr = 0;
/* ASSOC data */
- nents = count_sg(req->assoc, req->assoclen);
- req_ctx->assoc_nents = nents;
- dma_map_sg(dev, req->assoc, nents, DMA_TO_DEVICE);
- buf = chainup_buffers(req->assoc, req->assoclen, req_ctx->buffer,flags);
+ buf = chainup_buffers(dev, req->assoc, req->assoclen, &src_hook,
+ flags, DMA_TO_DEVICE);
+ req_ctx->buffer = src_hook.next;
+ crypt->src_buf = src_hook.phys_next;
if (!buf)
- goto unmap_sg_assoc;
+ goto out;
/* IV */
sg_init_table(&req_ctx->ivlist, 1);
sg_set_buf(&req_ctx->ivlist, iv, ivsize);
- dma_map_sg(dev, &req_ctx->ivlist, 1, DMA_BIDIRECTIONAL);
- buf = chainup_buffers(&req_ctx->ivlist, ivsize, buf, flags);
+ buf = chainup_buffers(dev, &req_ctx->ivlist, ivsize, buf, flags,
+ DMA_BIDIRECTIONAL);
if (!buf)
- goto unmap_sg_iv;
+ goto free_chain;
if (unlikely(hmac_inconsistent(req->src, cryptlen, authsize))) {
/* The 12 hmac bytes are scattered,
* we need to copy them into a safe buffer */
req_ctx->hmac_virt = dma_pool_alloc(buffer_pool, flags,
&crypt->icv_rev_aes);
if (unlikely(!req_ctx->hmac_virt))
- goto unmap_sg_iv;
+ goto free_chain;
if (!encrypt) {
scatterwalk_map_and_copy(req_ctx->hmac_virt,
req->src, cryptlen, authsize, 0);
@@ -1073,33 +1022,28 @@ static int aead_perform(struct aead_request *req, int encrypt,
req_ctx->hmac_virt = NULL;
}
/* Crypt */
- nents = count_sg(req->src, cryptlen + authsize);
- req_ctx->src_nents = nents;
- dma_map_sg(dev, req->src, nents, DMA_BIDIRECTIONAL);
- buf = chainup_buffers(req->src, cryptlen + authsize, buf, flags);
+ buf = chainup_buffers(dev, req->src, cryptlen + authsize, buf, flags,
+ DMA_BIDIRECTIONAL);
if (!buf)
- goto unmap_sg_src;
+ goto free_hmac_virt;
if (!req_ctx->hmac_virt) {
crypt->icv_rev_aes = buf->phys_addr + buf->buf_len - authsize;
}
+
crypt->ctl_flags |= CTL_FLAG_PERFORM_AEAD;
qmgr_put_entry(SEND_QID, crypt_virt2phys(crypt));
BUG_ON(qmgr_stat_overflow(SEND_QID));
return -EINPROGRESS;
-unmap_sg_src:
- dma_unmap_sg(dev, req->src, req_ctx->src_nents, DMA_BIDIRECTIONAL);
+free_hmac_virt:
if (req_ctx->hmac_virt) {
dma_pool_free(buffer_pool, req_ctx->hmac_virt,
crypt->icv_rev_aes);
}
-unmap_sg_iv:
- dma_unmap_sg(dev, &req_ctx->ivlist, 1, DMA_BIDIRECTIONAL);
-unmap_sg_assoc:
- dma_unmap_sg(dev, req->assoc, req_ctx->assoc_nents, DMA_TO_DEVICE);
- free_buf_chain(req_ctx->buffer, crypt->src_buf);
+free_chain:
+ free_buf_chain(dev, req_ctx->buffer, crypt->src_buf);
out:
crypt->ctl_flags = CTL_FLAG_UNUSED;
- return ret;
+ return -ENOMEM;
}
static int aead_setup(struct crypto_aead *tfm, unsigned int authsize)
diff --git a/drivers/ide/pci/hpt366.c b/drivers/ide/pci/hpt366.c
index c37ab17..7e443a3 100644
--- a/drivers/ide/pci/hpt366.c
+++ b/drivers/ide/pci/hpt366.c
@@ -114,6 +114,8 @@
* the register setting lists into the table indexed by the clock selected
* - set the correct hwif->ultra_mask for each individual chip
* - add Ultra and MW DMA mode filtering for the HPT37[24] based SATA cards
+ * - stop resetting HPT370's state machine before each DMA transfer as that has
+ * caused more harm than good
* Sergei Shtylyov, <sshtylyov@...mvista.com> or <source@...sta.com>
*/
@@ -134,7 +136,7 @@
#define DRV_NAME "hpt366"
/* various tuning parameters */
-#define HPT_RESET_STATE_ENGINE
+#undef HPT_RESET_STATE_ENGINE
#undef HPT_DELAY_INTERRUPT
#define HPT_SERIALIZE_IO 0
diff --git a/drivers/isdn/gigaset/bas-gigaset.c b/drivers/isdn/gigaset/bas-gigaset.c
index 3f11910..fcec2df 100644
--- a/drivers/isdn/gigaset/bas-gigaset.c
+++ b/drivers/isdn/gigaset/bas-gigaset.c
@@ -46,6 +46,9 @@ MODULE_PARM_DESC(cidmode, "Call-ID mode");
/* length limit according to Siemens 3070usb-protokoll.doc ch. 2.1 */
#define IF_WRITEBUF 264
+/* interrupt pipe message size according to ibid. ch. 2.2 */
+#define IP_MSGSIZE 3
+
/* Values for the Gigaset 307x */
#define USB_GIGA_VENDOR_ID 0x0681
#define USB_3070_PRODUCT_ID 0x0001
@@ -110,7 +113,7 @@ struct bas_cardstate {
unsigned char *rcvbuf; /* AT reply receive buffer */
struct urb *urb_int_in; /* URB for interrupt pipe */
- unsigned char int_in_buf[3];
+ unsigned char *int_in_buf;
spinlock_t lock; /* locks all following */
int basstate; /* bitmap (BS_*) */
@@ -657,7 +660,7 @@ static void read_int_callback(struct urb *urb)
}
/* drop incomplete packets even if the missing bytes wouldn't matter */
- if (unlikely(urb->actual_length < 3)) {
+ if (unlikely(urb->actual_length < IP_MSGSIZE)) {
dev_warn(cs->dev, "incomplete interrupt packet (%d bytes)\n",
urb->actual_length);
goto resubmit;
@@ -2127,6 +2130,7 @@ static void gigaset_reinitbcshw(struct bc_state *bcs)
static void gigaset_freecshw(struct cardstate *cs)
{
/* timers, URBs and rcvbuf are disposed of in disconnect */
+ kfree(cs->hw.bas->int_in_buf);
kfree(cs->hw.bas);
cs->hw.bas = NULL;
}
@@ -2232,6 +2236,12 @@ static int gigaset_probe(struct usb_interface *interface,
}
hostif = interface->cur_altsetting;
}
+ ucs->int_in_buf = kmalloc(IP_MSGSIZE, GFP_KERNEL);
+ if (!ucs->int_in_buf) {
+ kfree(ucs);
+ pr_err("out of memory\n");
+ return 0;
+ }
/* Reject application specific interfaces
*/
@@ -2290,7 +2300,7 @@ static int gigaset_probe(struct usb_interface *interface,
usb_fill_int_urb(ucs->urb_int_in, udev,
usb_rcvintpipe(udev,
(endpoint->bEndpointAddress) & 0x0f),
- ucs->int_in_buf, 3, read_int_callback, cs,
+ ucs->int_in_buf, IP_MSGSIZE, read_int_callback, cs,
endpoint->bInterval);
if ((rc = usb_submit_urb(ucs->urb_int_in, GFP_KERNEL)) != 0) {
dev_err(cs->dev, "could not submit interrupt URB: %s\n",
diff --git a/drivers/misc/thinkpad_acpi.c b/drivers/misc/thinkpad_acpi.c
index 34bb0e4..1a551a8 100644
--- a/drivers/misc/thinkpad_acpi.c
+++ b/drivers/misc/thinkpad_acpi.c
@@ -282,11 +282,17 @@ static u32 dbg_level;
static struct workqueue_struct *tpacpi_wq;
+enum led_status_t {
+ TPACPI_LED_OFF = 0,
+ TPACPI_LED_ON,
+ TPACPI_LED_BLINK,
+};
+
/* Special LED class that can defer work */
struct tpacpi_led_classdev {
struct led_classdev led_classdev;
struct work_struct work;
- enum led_brightness new_brightness;
+ enum led_status_t new_state;
unsigned int led;
};
@@ -3478,7 +3484,7 @@ static void light_set_status_worker(struct work_struct *work)
container_of(work, struct tpacpi_led_classdev, work);
if (likely(tpacpi_lifecycle == TPACPI_LIFE_RUNNING))
- light_set_status((data->new_brightness != LED_OFF));
+ light_set_status((data->new_state != TPACPI_LED_OFF));
}
static void light_sysfs_set(struct led_classdev *led_cdev,
@@ -3488,7 +3494,8 @@ static void light_sysfs_set(struct led_classdev *led_cdev,
container_of(led_cdev,
struct tpacpi_led_classdev,
led_classdev);
- data->new_brightness = brightness;
+ data->new_state = (brightness != LED_OFF) ?
+ TPACPI_LED_ON : TPACPI_LED_OFF;
queue_work(tpacpi_wq, &data->work);
}
@@ -3995,12 +4002,6 @@ enum { /* For TPACPI_LED_OLD */
TPACPI_LED_EC_HLMS = 0x0e, /* EC reg to select led to command */
};
-enum led_status_t {
- TPACPI_LED_OFF = 0,
- TPACPI_LED_ON,
- TPACPI_LED_BLINK,
-};
-
static enum led_access_mode led_supported;
TPACPI_HANDLE(led, ec, "SLED", /* 570 */
@@ -4094,23 +4095,13 @@ static int led_set_status(const unsigned int led,
return rc;
}
-static void led_sysfs_set_status(unsigned int led,
- enum led_brightness brightness)
-{
- led_set_status(led,
- (brightness == LED_OFF) ?
- TPACPI_LED_OFF :
- (tpacpi_led_state_cache[led] == TPACPI_LED_BLINK) ?
- TPACPI_LED_BLINK : TPACPI_LED_ON);
-}
-
static void led_set_status_worker(struct work_struct *work)
{
struct tpacpi_led_classdev *data =
container_of(work, struct tpacpi_led_classdev, work);
if (likely(tpacpi_lifecycle == TPACPI_LIFE_RUNNING))
- led_sysfs_set_status(data->led, data->new_brightness);
+ led_set_status(data->led, data->new_state);
}
static void led_sysfs_set(struct led_classdev *led_cdev,
@@ -4119,7 +4110,13 @@ static void led_sysfs_set(struct led_classdev *led_cdev,
struct tpacpi_led_classdev *data = container_of(led_cdev,
struct tpacpi_led_classdev, led_classdev);
- data->new_brightness = brightness;
+ if (brightness == LED_OFF)
+ data->new_state = TPACPI_LED_OFF;
+ else if (tpacpi_led_state_cache[data->led] != TPACPI_LED_BLINK)
+ data->new_state = TPACPI_LED_ON;
+ else
+ data->new_state = TPACPI_LED_BLINK;
+
queue_work(tpacpi_wq, &data->work);
}
@@ -4137,7 +4134,7 @@ static int led_sysfs_blink_set(struct led_classdev *led_cdev,
} else if ((*delay_on != 500) || (*delay_off != 500))
return -EINVAL;
- data->new_brightness = TPACPI_LED_BLINK;
+ data->new_state = TPACPI_LED_BLINK;
queue_work(tpacpi_wq, &data->work);
return 0;
diff --git a/drivers/net/b44.c b/drivers/net/b44.c
index c3bda5c..f1521c6 100644
--- a/drivers/net/b44.c
+++ b/drivers/net/b44.c
@@ -750,7 +750,7 @@ static void b44_recycle_rx(struct b44 *bp, int src_idx, u32 dest_idx_unmasked)
dest_idx * sizeof(dest_desc),
DMA_BIDIRECTIONAL);
- ssb_dma_sync_single_for_device(bp->sdev, le32_to_cpu(src_desc->addr),
+ ssb_dma_sync_single_for_device(bp->sdev, dest_map->mapping,
RX_PKT_BUF_SZ,
DMA_FROM_DEVICE);
}
diff --git a/drivers/net/bonding/bond_main.c b/drivers/net/bonding/bond_main.c
index 1b9c4dc..f9f29c9 100644
--- a/drivers/net/bonding/bond_main.c
+++ b/drivers/net/bonding/bond_main.c
@@ -3516,11 +3516,26 @@ static int bond_slave_netdev_event(unsigned long event, struct net_device *slave
}
break;
case NETDEV_CHANGE:
- /*
- * TODO: is this what we get if somebody
- * sets up a hierarchical bond, then rmmod's
- * one of the slave bonding devices?
- */
+ if (bond->params.mode == BOND_MODE_8023AD || bond_is_lb(bond)) {
+ struct slave *slave;
+
+ slave = bond_get_slave_by_dev(bond, slave_dev);
+ if (slave) {
+ u16 old_speed = slave->speed;
+ u16 old_duplex = slave->duplex;
+
+ bond_update_speed_duplex(slave);
+
+ if (bond_is_lb(bond))
+ break;
+
+ if (old_speed != slave->speed)
+ bond_3ad_adapter_speed_changed(slave);
+ if (old_duplex != slave->duplex)
+ bond_3ad_adapter_duplex_changed(slave);
+ }
+ }
+
break;
case NETDEV_DOWN:
/*
diff --git a/drivers/net/bonding/bonding.h b/drivers/net/bonding/bonding.h
index fb730ec..0f6de5f 100644
--- a/drivers/net/bonding/bonding.h
+++ b/drivers/net/bonding/bonding.h
@@ -248,6 +248,12 @@ static inline struct bonding *bond_get_bond_by_slave(struct slave *slave)
return (struct bonding *)slave->dev->master->priv;
}
+static inline bool bond_is_lb(const struct bonding *bond)
+{
+ return bond->params.mode == BOND_MODE_TLB
+ || bond->params.mode == BOND_MODE_ALB;
+}
+
#define BOND_FOM_NONE 0
#define BOND_FOM_ACTIVE 1
#define BOND_FOM_FOLLOW 2
diff --git a/drivers/net/r8169.c b/drivers/net/r8169.c
index 39c17bb..a98d31a 100644
--- a/drivers/net/r8169.c
+++ b/drivers/net/r8169.c
@@ -375,6 +375,22 @@ enum features {
RTL_FEATURE_GMII = (1 << 2),
};
+struct rtl8169_counters {
+ __le64 tx_packets;
+ __le64 rx_packets;
+ __le64 tx_errors;
+ __le32 rx_errors;
+ __le16 rx_missed;
+ __le16 align_errors;
+ __le32 tx_one_collision;
+ __le32 tx_multi_collision;
+ __le64 rx_unicast;
+ __le64 rx_broadcast;
+ __le32 rx_multicast;
+ __le16 tx_aborted;
+ __le16 tx_underun;
+};
+
struct rtl8169_private {
void __iomem *mmio_addr; /* memory map physical address */
struct pci_dev *pci_dev; /* Index of PCI device */
@@ -416,6 +432,7 @@ struct rtl8169_private {
unsigned features;
struct mii_if_info mii;
+ struct rtl8169_counters counters;
};
MODULE_AUTHOR("Realtek and the Linux r8169 crew <netdev@...r.kernel.org>");
@@ -960,22 +977,6 @@ static const char rtl8169_gstrings[][ETH_GSTRING_LEN] = {
"tx_underrun",
};
-struct rtl8169_counters {
- __le64 tx_packets;
- __le64 rx_packets;
- __le64 tx_errors;
- __le32 rx_errors;
- __le16 rx_missed;
- __le16 align_errors;
- __le32 tx_one_collision;
- __le32 tx_multi_collision;
- __le64 rx_unicast;
- __le64 rx_broadcast;
- __le32 rx_multicast;
- __le16 tx_aborted;
- __le16 tx_underun;
-};
-
static int rtl8169_get_sset_count(struct net_device *dev, int sset)
{
switch (sset) {
@@ -986,16 +987,21 @@ static int rtl8169_get_sset_count(struct net_device *dev, int sset)
}
}
-static void rtl8169_get_ethtool_stats(struct net_device *dev,
- struct ethtool_stats *stats, u64 *data)
+static void rtl8169_update_counters(struct net_device *dev)
{
struct rtl8169_private *tp = netdev_priv(dev);
void __iomem *ioaddr = tp->mmio_addr;
struct rtl8169_counters *counters;
dma_addr_t paddr;
u32 cmd;
+ int wait = 1000;
- ASSERT_RTNL();
+ /*
+ * Some chips are unable to dump tally counters when the receiver
+ * is disabled.
+ */
+ if ((RTL_R8(ChipCmd) & CmdRxEnb) == 0)
+ return;
counters = pci_alloc_consistent(tp->pci_dev, sizeof(*counters), &paddr);
if (!counters)
@@ -1006,31 +1012,45 @@ static void rtl8169_get_ethtool_stats(struct net_device *dev,
RTL_W32(CounterAddrLow, cmd);
RTL_W32(CounterAddrLow, cmd | CounterDump);
- while (RTL_R32(CounterAddrLow) & CounterDump) {
- if (msleep_interruptible(1))
+ while (wait--) {
+ if ((RTL_R32(CounterAddrLow) & CounterDump) == 0) {
+ /* copy updated counters */
+ memcpy(&tp->counters, counters, sizeof(*counters));
break;
+ }
+ udelay(10);
}
RTL_W32(CounterAddrLow, 0);
RTL_W32(CounterAddrHigh, 0);
- data[0] = le64_to_cpu(counters->tx_packets);
- data[1] = le64_to_cpu(counters->rx_packets);
- data[2] = le64_to_cpu(counters->tx_errors);
- data[3] = le32_to_cpu(counters->rx_errors);
- data[4] = le16_to_cpu(counters->rx_missed);
- data[5] = le16_to_cpu(counters->align_errors);
- data[6] = le32_to_cpu(counters->tx_one_collision);
- data[7] = le32_to_cpu(counters->tx_multi_collision);
- data[8] = le64_to_cpu(counters->rx_unicast);
- data[9] = le64_to_cpu(counters->rx_broadcast);
- data[10] = le32_to_cpu(counters->rx_multicast);
- data[11] = le16_to_cpu(counters->tx_aborted);
- data[12] = le16_to_cpu(counters->tx_underun);
-
pci_free_consistent(tp->pci_dev, sizeof(*counters), counters, paddr);
}
+static void rtl8169_get_ethtool_stats(struct net_device *dev,
+ struct ethtool_stats *stats, u64 *data)
+{
+ struct rtl8169_private *tp = netdev_priv(dev);
+
+ ASSERT_RTNL();
+
+ rtl8169_update_counters(dev);
+
+ data[0] = le64_to_cpu(tp->counters.tx_packets);
+ data[1] = le64_to_cpu(tp->counters.rx_packets);
+ data[2] = le64_to_cpu(tp->counters.tx_errors);
+ data[3] = le32_to_cpu(tp->counters.rx_errors);
+ data[4] = le16_to_cpu(tp->counters.rx_missed);
+ data[5] = le16_to_cpu(tp->counters.align_errors);
+ data[6] = le32_to_cpu(tp->counters.tx_one_collision);
+ data[7] = le32_to_cpu(tp->counters.tx_multi_collision);
+ data[8] = le64_to_cpu(tp->counters.rx_unicast);
+ data[9] = le64_to_cpu(tp->counters.rx_broadcast);
+ data[10] = le32_to_cpu(tp->counters.rx_multicast);
+ data[11] = le16_to_cpu(tp->counters.tx_aborted);
+ data[12] = le16_to_cpu(tp->counters.tx_underun);
+}
+
static void rtl8169_get_strings(struct net_device *dev, u32 stringset, u8 *data)
{
switch(stringset) {
@@ -1667,8 +1687,7 @@ rtl8169_init_one(struct pci_dev *pdev, const struct pci_device_id *ent)
goto err_out_free_res_4;
}
- /* Unneeded ? Don't mess with Mrs. Murphy. */
- rtl8169_irq_mask_and_ack(ioaddr);
+ RTL_W16(IntrMask, 0x0000);
/* Soft reset the chip. */
RTL_W8(ChipCmd, CmdReset);
@@ -1680,6 +1699,8 @@ rtl8169_init_one(struct pci_dev *pdev, const struct pci_device_id *ent)
msleep_interruptible(1);
}
+ RTL_W16(IntrStatus, 0xffff);
+
/* Identify chip attached to board */
rtl8169_get_mac_version(tp, ioaddr);
@@ -2529,13 +2550,6 @@ static int rtl8169_start_xmit(struct sk_buff *skb, struct net_device *dev)
opts1 |= FirstFrag;
} else {
len = skb->len;
-
- if (unlikely(len < ETH_ZLEN)) {
- if (skb_padto(skb, ETH_ZLEN))
- goto err_update_stats;
- len = ETH_ZLEN;
- }
-
opts1 |= FirstFrag | LastFrag;
tp->tx_skb[entry].skb = skb;
}
@@ -2573,7 +2587,6 @@ out:
err_stop:
netif_stop_queue(dev);
ret = NETDEV_TX_BUSY;
-err_update_stats:
dev->stats.tx_dropped++;
goto out;
}
@@ -2979,6 +2992,9 @@ static int rtl8169_close(struct net_device *dev)
struct rtl8169_private *tp = netdev_priv(dev);
struct pci_dev *pdev = tp->pci_dev;
+ /* update counters before going down */
+ rtl8169_update_counters(dev);
+
rtl8169_down(dev);
free_irq(dev->irq, dev);
diff --git a/drivers/net/wireless/ath9k/ath9k.h b/drivers/net/wireless/ath9k/ath9k.h
index d1b0fba..8ccf374 100644
--- a/drivers/net/wireless/ath9k/ath9k.h
+++ b/drivers/net/wireless/ath9k/ath9k.h
@@ -591,8 +591,8 @@ struct ath9k_country_entry {
u8 iso[3];
};
-#define REG_WRITE(_ah, _reg, _val) iowrite32(_val, _ah->ah_sh + _reg)
-#define REG_READ(_ah, _reg) ioread32(_ah->ah_sh + _reg)
+#define REG_WRITE(_ah, _reg, _val) ath9k_iowrite32((_ah), (_reg), (_val))
+#define REG_READ(_ah, _reg) ath9k_ioread32((_ah), (_reg))
#define SM(_v, _f) (((_v) << _f##_S) & _f)
#define MS(_v, _f) (((_v) & _f) >> _f##_S)
diff --git a/drivers/net/wireless/ath9k/core.c b/drivers/net/wireless/ath9k/core.c
index 87e37bc..e50ba6d 100644
--- a/drivers/net/wireless/ath9k/core.c
+++ b/drivers/net/wireless/ath9k/core.c
@@ -1120,6 +1120,7 @@ int ath_init(u16 devid, struct ath_softc *sc)
sc->sc_cachelsz = csz << 2; /* convert to bytes */
spin_lock_init(&sc->sc_resetlock);
+ spin_lock_init(&sc->sc_serial_rw);
ah = ath9k_hw_attach(devid, sc, sc->mem, &status);
if (ah == NULL) {
diff --git a/drivers/net/wireless/ath9k/core.h b/drivers/net/wireless/ath9k/core.h
index 88f4cc3..51ef315 100644
--- a/drivers/net/wireless/ath9k/core.h
+++ b/drivers/net/wireless/ath9k/core.h
@@ -1022,6 +1022,7 @@ struct ath_softc {
spinlock_t sc_rxbuflock;
spinlock_t sc_txbuflock;
spinlock_t sc_resetlock;
+ spinlock_t sc_serial_rw;
spinlock_t node_lock;
};
@@ -1069,4 +1070,36 @@ void ath_skb_unmap_single(struct ath_softc *sc,
void ath_mcast_merge(struct ath_softc *sc, u32 mfilt[2]);
enum ath9k_ht_macmode ath_cwm_macmode(struct ath_softc *sc);
+/*
+ * Read and write, they both share the same lock. We do this to serialize
+ * reads and writes on Atheros 802.11n PCI devices only. This is required
+ * as the FIFO on these devices can only accept sanely 2 requests. After
+ * that the device goes bananas. Serializing the reads/writes prevents this
+ * from happening.
+ */
+
+static inline void ath9k_iowrite32(struct ath_hal *ah, u32 reg_offset, u32 val)
+{
+ if (ah->ah_config.serialize_regmode == SER_REG_MODE_ON) {
+ unsigned long flags;
+ spin_lock_irqsave(&ah->ah_sc->sc_serial_rw, flags);
+ iowrite32(val, ah->ah_sc->mem + reg_offset);
+ spin_unlock_irqrestore(&ah->ah_sc->sc_serial_rw, flags);
+ } else
+ iowrite32(val, ah->ah_sc->mem + reg_offset);
+}
+
+static inline unsigned int ath9k_ioread32(struct ath_hal *ah, u32 reg_offset)
+{
+ u32 val;
+ if (ah->ah_config.serialize_regmode == SER_REG_MODE_ON) {
+ unsigned long flags;
+ spin_lock_irqsave(&ah->ah_sc->sc_serial_rw, flags);
+ val = ioread32(ah->ah_sc->mem + reg_offset);
+ spin_unlock_irqrestore(&ah->ah_sc->sc_serial_rw, flags);
+ } else
+ val = ioread32(ah->ah_sc->mem + reg_offset);
+ return val;
+}
+
#endif /* CORE_H */
diff --git a/drivers/net/wireless/ath9k/hw.c b/drivers/net/wireless/ath9k/hw.c
index 69120b5..c40b677 100644
--- a/drivers/net/wireless/ath9k/hw.c
+++ b/drivers/net/wireless/ath9k/hw.c
@@ -369,6 +369,25 @@ static void ath9k_hw_set_defaults(struct ath_hal *ah)
}
ah->ah_config.intr_mitigation = 0;
+
+ /*
+ * We need this for PCI devices only (Cardbus, PCI, miniPCI)
+ * _and_ if on non-uniprocessor systems (Multiprocessor/HT).
+ * This means we use it for all AR5416 devices, and the few
+ * minor PCI AR9280 devices out there.
+ *
+ * Serialization is required because these devices do not handle
+ * well the case of two concurrent reads/writes due to the latency
+ * involved. During one read/write another read/write can be issued
+ * on another CPU while the previous read/write may still be working
+ * on our hardware, if we hit this case the hardware poops in a loop.
+ * We prevent this by serializing reads and writes.
+ *
+ * This issue is not present on PCI-Express devices or pre-AR5416
+ * devices (legacy, 802.11abg).
+ */
+ if (num_possible_cpus() > 1)
+ ah->ah_config.serialize_regmode = SER_REG_MODE_AUTO;
}
static inline void ath9k_hw_override_ini(struct ath_hal *ah,
@@ -3294,7 +3313,8 @@ static struct ath_hal *ath9k_hw_do_attach(u16 devid,
}
if (ah->ah_config.serialize_regmode == SER_REG_MODE_AUTO) {
- if (ah->ah_macVersion == AR_SREV_VERSION_5416_PCI) {
+ if (ah->ah_macVersion == AR_SREV_VERSION_5416_PCI ||
+ (AR_SREV_9280(ah) && !ah->ah_isPciExpress)) {
ah->ah_config.serialize_regmode =
SER_REG_MODE_ON;
} else {
diff --git a/drivers/net/wireless/b43/xmit.c b/drivers/net/wireless/b43/xmit.c
index 9dda816..4102aaa 100644
--- a/drivers/net/wireless/b43/xmit.c
+++ b/drivers/net/wireless/b43/xmit.c
@@ -51,7 +51,7 @@ static int b43_plcp_get_bitrate_idx_cck(struct b43_plcp_hdr6 *plcp)
}
/* Extract the bitrate index out of an OFDM PLCP header. */
-static u8 b43_plcp_get_bitrate_idx_ofdm(struct b43_plcp_hdr6 *plcp, bool aphy)
+static int b43_plcp_get_bitrate_idx_ofdm(struct b43_plcp_hdr6 *plcp, bool aphy)
{
int base = aphy ? 0 : 4;
diff --git a/drivers/scsi/libiscsi.c b/drivers/scsi/libiscsi.c
index 55ac5c3..cb009f3 100644
--- a/drivers/scsi/libiscsi.c
+++ b/drivers/scsi/libiscsi.c
@@ -1807,12 +1807,14 @@ iscsi_pool_init(struct iscsi_pool *q, int max, void ***items, int item_size)
num_arrays++;
q->pool = kzalloc(num_arrays * max * sizeof(void*), GFP_KERNEL);
if (q->pool == NULL)
- goto enomem;
+ return -ENOMEM;
q->queue = kfifo_init((void*)q->pool, max * sizeof(void*),
GFP_KERNEL, NULL);
- if (q->queue == ERR_PTR(-ENOMEM))
+ if (IS_ERR(q->queue)) {
+ q->queue = NULL;
goto enomem;
+ }
for (i = 0; i < max; i++) {
q->pool[i] = kzalloc(item_size, GFP_KERNEL);
@@ -1842,8 +1844,7 @@ void iscsi_pool_free(struct iscsi_pool *q)
for (i = 0; i < q->max; i++)
kfree(q->pool[i]);
- if (q->pool)
- kfree(q->pool);
+ kfree(q->pool);
kfree(q->queue);
}
EXPORT_SYMBOL_GPL(iscsi_pool_free);
diff --git a/drivers/usb/class/cdc-wdm.c b/drivers/usb/class/cdc-wdm.c
index 023a4e9..abbdb31 100644
--- a/drivers/usb/class/cdc-wdm.c
+++ b/drivers/usb/class/cdc-wdm.c
@@ -641,7 +641,7 @@ next_desc:
iface = &intf->altsetting[0];
ep = &iface->endpoint[0].desc;
- if (!usb_endpoint_is_int_in(ep)) {
+ if (!ep || !usb_endpoint_is_int_in(ep)) {
rv = -EINVAL;
goto err;
}
diff --git a/drivers/usb/gadget/f_rndis.c b/drivers/usb/gadget/f_rndis.c
index 3a8bb53..fd7b356 100644
--- a/drivers/usb/gadget/f_rndis.c
+++ b/drivers/usb/gadget/f_rndis.c
@@ -437,7 +437,7 @@ invalid:
DBG(cdev, "rndis req%02x.%02x v%04x i%04x l%d\n",
ctrl->bRequestType, ctrl->bRequest,
w_value, w_index, w_length);
- req->zero = 0;
+ req->zero = (value < w_length);
req->length = value;
value = usb_ep_queue(cdev->gadget->ep0, req, GFP_ATOMIC);
if (value < 0)
diff --git a/drivers/usb/gadget/u_ether.c b/drivers/usb/gadget/u_ether.c
index 38a55af..bb3d7c3 100644
--- a/drivers/usb/gadget/u_ether.c
+++ b/drivers/usb/gadget/u_ether.c
@@ -175,12 +175,6 @@ static void eth_get_drvinfo(struct net_device *net, struct ethtool_drvinfo *p)
strlcpy(p->bus_info, dev_name(&dev->gadget->dev), sizeof p->bus_info);
}
-static u32 eth_get_link(struct net_device *net)
-{
- struct eth_dev *dev = netdev_priv(net);
- return dev->gadget->speed != USB_SPEED_UNKNOWN;
-}
-
/* REVISIT can also support:
* - WOL (by tracking suspends and issuing remote wakeup)
* - msglevel (implies updated messaging)
@@ -189,7 +183,7 @@ static u32 eth_get_link(struct net_device *net)
static struct ethtool_ops ops = {
.get_drvinfo = eth_get_drvinfo,
- .get_link = eth_get_link
+ .get_link = ethtool_op_get_link,
};
static void defer_kevent(struct eth_dev *dev, int flag)
diff --git a/drivers/usb/host/ehci-q.c b/drivers/usb/host/ehci-q.c
index ecc9b66..01132ac 100644
--- a/drivers/usb/host/ehci-q.c
+++ b/drivers/usb/host/ehci-q.c
@@ -333,12 +333,40 @@ qh_completions (struct ehci_hcd *ehci, struct ehci_qh *qh)
token = hc32_to_cpu(ehci, qtd->hw_token);
/* always clean up qtds the hc de-activated */
+ retry_xacterr:
if ((token & QTD_STS_ACTIVE) == 0) {
/* on STALL, error, and short reads this urb must
* complete and all its qtds must be recycled.
*/
if ((token & QTD_STS_HALT) != 0) {
+
+ /* retry transaction errors until we
+ * reach the software xacterr limit
+ */
+ if ((token & QTD_STS_XACT) &&
+ QTD_CERR(token) == 0 &&
+ --qh->xacterrs > 0 &&
+ !urb->unlinked) {
+ ehci_dbg(ehci,
+ "detected XactErr len %d/%d retry %d\n",
+ qtd->length - QTD_LENGTH(token), qtd->length,
+ QH_XACTERR_MAX - qh->xacterrs);
+
+ /* reset the token in the qtd and the
+ * qh overlay (which still contains
+ * the qtd) so that we pick up from
+ * where we left off
+ */
+ token &= ~QTD_STS_HALT;
+ token |= QTD_STS_ACTIVE |
+ (EHCI_TUNE_CERR << 10);
+ qtd->hw_token = cpu_to_hc32(ehci,
+ token);
+ wmb();
+ qh->hw_token = cpu_to_hc32(ehci, token);
+ goto retry_xacterr;
+ }
stopped = 1;
/* magic dummy for some short reads; qh won't advance.
@@ -421,6 +449,9 @@ halt:
/* remove qtd; it's recycled after possible urb completion */
list_del (&qtd->qtd_list);
last = qtd;
+
+ /* reinit the xacterr counter for the next qtd */
+ qh->xacterrs = QH_XACTERR_MAX;
}
/* last urb's completion might still need calling */
@@ -862,6 +893,7 @@ static void qh_link_async (struct ehci_hcd *ehci, struct ehci_qh *qh)
head->qh_next.qh = qh;
head->hw_next = dma;
+ qh->xacterrs = QH_XACTERR_MAX;
qh->qh_state = QH_STATE_LINKED;
/* qtd completions reported later by interrupt */
}
diff --git a/drivers/usb/host/ehci.h b/drivers/usb/host/ehci.h
index 33459d7..c165fe4 100644
--- a/drivers/usb/host/ehci.h
+++ b/drivers/usb/host/ehci.h
@@ -500,6 +500,9 @@ struct ehci_qh {
#define QH_STATE_UNLINK_WAIT 4 /* LINKED and on reclaim q */
#define QH_STATE_COMPLETING 5 /* don't touch token.HALT */
+ u8 xacterrs; /* XactErr retry counter */
+#define QH_XACTERR_MAX 32 /* XactErr retry limit */
+
/* periodic schedule info */
u8 usecs; /* intr bandwidth */
u8 gap_uf; /* uframes split/csplit gap */
diff --git a/drivers/usb/serial/ftdi_sio.c b/drivers/usb/serial/ftdi_sio.c
index 2d78712..13b34bc 100644
--- a/drivers/usb/serial/ftdi_sio.c
+++ b/drivers/usb/serial/ftdi_sio.c
@@ -662,6 +662,7 @@ static struct usb_device_id id_table_combined [] = {
{ USB_DEVICE(DE_VID, WHT_PID) },
{ USB_DEVICE(ADI_VID, ADI_GNICE_PID),
.driver_info = (kernel_ulong_t)&ftdi_jtag_quirk },
+ { USB_DEVICE(JETI_VID, JETI_SPC1201_PID) },
{ }, /* Optional parameter entry */
{ } /* Terminating entry */
};
diff --git a/drivers/usb/serial/ftdi_sio.h b/drivers/usb/serial/ftdi_sio.h
index 80fa76e..3425122 100644
--- a/drivers/usb/serial/ftdi_sio.h
+++ b/drivers/usb/serial/ftdi_sio.h
@@ -890,6 +890,13 @@
#define ADI_GNICE_PID 0xF000
/*
+ * JETI SPECTROMETER SPECBOS 1201
+ * http://www.jeti.com/products/sys/scb/scb1201.php
+ */
+#define JETI_VID 0x0c6c
+#define JETI_SPC1201_PID 0x04b2
+
+/*
* BmRequestType: 1100 0000b
* bRequest: FTDI_E2_READ
* wValue: 0
diff --git a/drivers/usb/storage/cypress_atacb.c b/drivers/usb/storage/cypress_atacb.c
index 898e67d..9466a99 100644
--- a/drivers/usb/storage/cypress_atacb.c
+++ b/drivers/usb/storage/cypress_atacb.c
@@ -133,19 +133,18 @@ void cypress_atacb_passthrough(struct scsi_cmnd *srb, struct us_data *us)
/* build the command for
* reading the ATA registers */
- scsi_eh_prep_cmnd(srb, &ses, NULL, 0, 0);
- srb->sdb.length = sizeof(regs);
- sg_init_one(&ses.sense_sgl, regs, srb->sdb.length);
- srb->sdb.table.sgl = &ses.sense_sgl;
- srb->sc_data_direction = DMA_FROM_DEVICE;
- srb->sdb.table.nents = 1;
+ scsi_eh_prep_cmnd(srb, &ses, NULL, 0, sizeof(regs));
+
/* we use the same command as before, but we set
* the read taskfile bit, for not executing atacb command,
* but reading register selected in srb->cmnd[4]
*/
+ srb->cmd_len = 16;
+ srb->cmnd = ses.cmnd;
srb->cmnd[2] = 1;
usb_stor_transparent_scsi_command(srb, us);
+ memcpy(regs, srb->sense_buffer, sizeof(regs));
tmp_result = srb->result;
scsi_eh_restore_cmnd(srb, &ses);
/* we fail to get registers, report invalid command */
@@ -162,8 +161,8 @@ void cypress_atacb_passthrough(struct scsi_cmnd *srb, struct us_data *us)
/* XXX we should generate sk, asc, ascq from status and error
* regs
- * (see 11.1 Error translation ATA device error to SCSI error map)
- * and ata_to_sense_error from libata.
+ * (see 11.1 Error translation ATA device error to SCSI error
+ * map, and ata_to_sense_error from libata.)
*/
/* Sense data is current and format is descriptor. */
diff --git a/drivers/usb/storage/scsiglue.c b/drivers/usb/storage/scsiglue.c
index 8daaace..5f484ae 100644
--- a/drivers/usb/storage/scsiglue.c
+++ b/drivers/usb/storage/scsiglue.c
@@ -135,6 +135,12 @@ static int slave_configure(struct scsi_device *sdev)
if (sdev->request_queue->max_sectors > max_sectors)
blk_queue_max_sectors(sdev->request_queue,
max_sectors);
+ } else if (sdev->type == TYPE_TAPE) {
+ /* Tapes need much higher max_sector limits, so just
+ * raise it to the maximum possible (4 GB / 512) and
+ * let the queue segment size sort out the real limit.
+ */
+ blk_queue_max_sectors(sdev->request_queue, 0x7FFFFF);
}
/* We can't put these settings in slave_alloc() because that gets
diff --git a/drivers/usb/storage/unusual_devs.h b/drivers/usb/storage/unusual_devs.h
index d21995a..4cf1617 100644
--- a/drivers/usb/storage/unusual_devs.h
+++ b/drivers/usb/storage/unusual_devs.h
@@ -1241,12 +1241,14 @@ UNUSUAL_DEV( 0x07c4, 0xa400, 0x0000, 0xffff,
US_SC_DEVICE, US_PR_DEVICE, NULL,
US_FL_FIX_INQUIRY ),
-/* Reported by Rauch Wolke <rauchwolke@....net> */
+/* Reported by Rauch Wolke <rauchwolke@....net>
+ * and augmented by binbin <binbinsh@...il.com> (Bugzilla #12882)
+ */
UNUSUAL_DEV( 0x07c4, 0xa4a5, 0x0000, 0xffff,
"Simple Tech/Datafab",
"CF+SM Reader",
US_SC_DEVICE, US_PR_DEVICE, NULL,
- US_FL_IGNORE_RESIDUE ),
+ US_FL_IGNORE_RESIDUE | US_FL_MAX_SECTORS_64 ),
/* Casio QV 2x00/3x00/4000/8000 digital still cameras are not conformant
* to the USB storage specification in two ways:
diff --git a/fs/buffer.c b/fs/buffer.c
index a542f97..a5d806d 100644
--- a/fs/buffer.c
+++ b/fs/buffer.c
@@ -3042,7 +3042,7 @@ int sync_dirty_buffer(struct buffer_head *bh)
if (test_clear_buffer_dirty(bh)) {
get_bh(bh);
bh->b_end_io = end_buffer_write_sync;
- ret = submit_bh(WRITE_SYNC, bh);
+ ret = submit_bh(WRITE, bh);
wait_on_buffer(bh);
if (buffer_eopnotsupp(bh)) {
clear_buffer_eopnotsupp(bh);
diff --git a/fs/cifs/CHANGES b/fs/cifs/CHANGES
index 088e9ae..455257e 100644
--- a/fs/cifs/CHANGES
+++ b/fs/cifs/CHANGES
@@ -1,4 +1,7 @@
Fix oops in cifs_dfs_ref.c when prefixpath is not reachable when using DFS.
+Fix "redzone overwritten" bug in cifs_put_tcon (CIFSTcon may allocate too
+little memory for the "nativeFileSystem" field returned by the server
+during mount).
Version 1.54
------------
diff --git a/fs/cifs/cifssmb.c b/fs/cifs/cifssmb.c
index 8f0f86d..9231e0a 100644
--- a/fs/cifs/cifssmb.c
+++ b/fs/cifs/cifssmb.c
@@ -2348,8 +2348,10 @@ winCreateHardLinkRetry:
PATH_MAX, nls_codepage, remap);
name_len++; /* trailing null */
name_len *= 2;
- pSMB->OldFileName[name_len] = 0; /* pad */
- pSMB->OldFileName[name_len + 1] = 0x04;
+
+ /* protocol specifies ASCII buffer format (0x04) for unicode */
+ pSMB->OldFileName[name_len] = 0x04;
+ pSMB->OldFileName[name_len + 1] = 0x00; /* pad */
name_len2 =
cifsConvertToUCS((__le16 *)&pSMB->OldFileName[name_len + 2],
toName, PATH_MAX, nls_codepage, remap);
diff --git a/fs/cifs/connect.c b/fs/cifs/connect.c
index f254235..21a1abf 100644
--- a/fs/cifs/connect.c
+++ b/fs/cifs/connect.c
@@ -3549,7 +3549,7 @@ CIFSTCon(unsigned int xid, struct cifsSesInfo *ses,
BCC(smb_buffer_response)) {
kfree(tcon->nativeFileSystem);
tcon->nativeFileSystem =
- kzalloc(length + 2, GFP_KERNEL);
+ kzalloc(2*(length + 1), GFP_KERNEL);
if (tcon->nativeFileSystem)
cifs_strfromUCS_le(
tcon->nativeFileSystem,
diff --git a/fs/compat.c b/fs/compat.c
index a76455b..a53216d 100644
--- a/fs/compat.c
+++ b/fs/compat.c
@@ -1353,12 +1353,17 @@ int compat_do_execve(char * filename,
{
struct linux_binprm *bprm;
struct file *file;
+ struct files_struct *displaced;
int retval;
+ retval = unshare_files(&displaced);
+ if (retval)
+ goto out_ret;
+
retval = -ENOMEM;
bprm = kzalloc(sizeof(*bprm), GFP_KERNEL);
if (!bprm)
- goto out_ret;
+ goto out_files;
file = open_exec(filename);
retval = PTR_ERR(file);
@@ -1410,6 +1415,8 @@ int compat_do_execve(char * filename,
security_bprm_free(bprm);
acct_update_integrals(current);
free_bprm(bprm);
+ if (displaced)
+ put_files_struct(displaced);
return retval;
}
@@ -1430,6 +1437,9 @@ out_file:
out_kfree:
free_bprm(bprm);
+out_files:
+ if (displaced)
+ reset_files_struct(displaced);
out_ret:
return retval;
}
diff --git a/fs/dquot.c b/fs/dquot.c
index 8ec4d6c..150fc96 100644
--- a/fs/dquot.c
+++ b/fs/dquot.c
@@ -726,7 +726,7 @@ static void add_dquot_ref(struct super_block *sb, int type)
continue;
if (!dqinit_needed(inode, type))
continue;
- if (inode->i_state & (I_FREEING|I_WILL_FREE))
+ if (inode->i_state & (I_FREEING|I_CLEAR|I_WILL_FREE))
continue;
__iget(inode);
diff --git a/fs/drop_caches.c b/fs/drop_caches.c
index 3e5637f..f7e66c0 100644
--- a/fs/drop_caches.c
+++ b/fs/drop_caches.c
@@ -18,7 +18,7 @@ static void drop_pagecache_sb(struct super_block *sb)
spin_lock(&inode_lock);
list_for_each_entry(inode, &sb->s_inodes, i_sb_list) {
- if (inode->i_state & (I_FREEING|I_WILL_FREE))
+ if (inode->i_state & (I_FREEING|I_CLEAR|I_WILL_FREE))
continue;
if (inode->i_mapping->nrpages == 0)
continue;
diff --git a/fs/exec.c b/fs/exec.c
index 5027d01..5ec0f56 100644
--- a/fs/exec.c
+++ b/fs/exec.c
@@ -1089,9 +1089,7 @@ static int unsafe_exec(struct task_struct *p)
{
int unsafe = tracehook_unsafe_exec(p);
- if (atomic_read(&p->fs->count) > 1 ||
- atomic_read(&p->files->count) > 1 ||
- atomic_read(&p->sighand->count) > 1)
+ if (atomic_read(&p->fs->count) > 1)
unsafe |= LSM_UNSAFE_SHARE;
return unsafe;
diff --git a/fs/fs-writeback.c b/fs/fs-writeback.c
index 6caa023..6b60261 100644
--- a/fs/fs-writeback.c
+++ b/fs/fs-writeback.c
@@ -538,7 +538,8 @@ void generic_sync_sb_inodes(struct super_block *sb,
list_for_each_entry(inode, &sb->s_inodes, i_sb_list) {
struct address_space *mapping;
- if (inode->i_state & (I_FREEING|I_WILL_FREE|I_NEW))
+ if (inode->i_state &
+ (I_FREEING|I_CLEAR|I_WILL_FREE|I_NEW))
continue;
mapping = inode->i_mapping;
if (mapping->nrpages == 0)
diff --git a/fs/hugetlbfs/inode.c b/fs/hugetlbfs/inode.c
index 3f58923..a12a6b3 100644
--- a/fs/hugetlbfs/inode.c
+++ b/fs/hugetlbfs/inode.c
@@ -26,7 +26,6 @@
#include <linux/pagevec.h>
#include <linux/parser.h>
#include <linux/mman.h>
-#include <linux/quotaops.h>
#include <linux/slab.h>
#include <linux/dnotify.h>
#include <linux/statfs.h>
@@ -838,7 +837,7 @@ hugetlbfs_parse_options(char *options, struct hugetlbfs_config *pconfig)
bad_val:
printk(KERN_ERR "hugetlbfs: Bad value '%s' for mount option '%s'\n",
args[0].from, p);
- return 1;
+ return -EINVAL;
}
static int
diff --git a/fs/ocfs2/file.c b/fs/ocfs2/file.c
index ec2ed15..6f7ea0a 100644
--- a/fs/ocfs2/file.c
+++ b/fs/ocfs2/file.c
@@ -2089,7 +2089,7 @@ static ssize_t ocfs2_file_splice_write(struct pipe_inode_info *pipe,
out->f_path.dentry->d_name.len,
out->f_path.dentry->d_name.name);
- inode_double_lock(inode, pipe->inode);
+ mutex_lock_nested(&inode->i_mutex, I_MUTEX_PARENT);
ret = ocfs2_rw_lock(inode, 1);
if (ret < 0) {
@@ -2104,12 +2104,16 @@ static ssize_t ocfs2_file_splice_write(struct pipe_inode_info *pipe,
goto out_unlock;
}
+ if (pipe->inode)
+ mutex_lock_nested(&pipe->inode->i_mutex, I_MUTEX_CHILD);
ret = generic_file_splice_write_nolock(pipe, out, ppos, len, flags);
+ if (pipe->inode)
+ mutex_unlock(&pipe->inode->i_mutex);
out_unlock:
ocfs2_rw_unlock(inode, 1);
out:
- inode_double_unlock(inode, pipe->inode);
+ mutex_unlock(&inode->i_mutex);
mlog_exit(ret);
return ret;
diff --git a/fs/proc/base.c b/fs/proc/base.c
index a28840b..0e910b3 100644
--- a/fs/proc/base.c
+++ b/fs/proc/base.c
@@ -151,15 +151,22 @@ static unsigned int pid_entry_count_dirs(const struct pid_entry *entries,
int maps_protect;
EXPORT_SYMBOL(maps_protect);
-static struct fs_struct *get_fs_struct(struct task_struct *task)
+static int get_fs_path(struct task_struct *task, struct path *path, bool root)
{
struct fs_struct *fs;
+ int result = -ENOENT;
+
task_lock(task);
fs = task->fs;
- if(fs)
- atomic_inc(&fs->count);
+ if (fs) {
+ read_lock(&fs->lock);
+ *path = root ? fs->root : fs->pwd;
+ path_get(path);
+ read_unlock(&fs->lock);
+ result = 0;
+ }
task_unlock(task);
- return fs;
+ return result;
}
static int get_nr_threads(struct task_struct *tsk)
@@ -178,42 +185,24 @@ static int get_nr_threads(struct task_struct *tsk)
static int proc_cwd_link(struct inode *inode, struct path *path)
{
struct task_struct *task = get_proc_task(inode);
- struct fs_struct *fs = NULL;
int result = -ENOENT;
if (task) {
- fs = get_fs_struct(task);
+ result = get_fs_path(task, path, 0);
put_task_struct(task);
}
- if (fs) {
- read_lock(&fs->lock);
- *path = fs->pwd;
- path_get(&fs->pwd);
- read_unlock(&fs->lock);
- result = 0;
- put_fs_struct(fs);
- }
return result;
}
static int proc_root_link(struct inode *inode, struct path *path)
{
struct task_struct *task = get_proc_task(inode);
- struct fs_struct *fs = NULL;
int result = -ENOENT;
if (task) {
- fs = get_fs_struct(task);
+ result = get_fs_path(task, path, 1);
put_task_struct(task);
}
- if (fs) {
- read_lock(&fs->lock);
- *path = fs->root;
- path_get(&fs->root);
- read_unlock(&fs->lock);
- result = 0;
- put_fs_struct(fs);
- }
return result;
}
@@ -575,7 +564,6 @@ static int mounts_open_common(struct inode *inode, struct file *file,
struct task_struct *task = get_proc_task(inode);
struct nsproxy *nsp;
struct mnt_namespace *ns = NULL;
- struct fs_struct *fs = NULL;
struct path root;
struct proc_mounts *p;
int ret = -EINVAL;
@@ -589,22 +577,16 @@ static int mounts_open_common(struct inode *inode, struct file *file,
get_mnt_ns(ns);
}
rcu_read_unlock();
- if (ns)
- fs = get_fs_struct(task);
+ if (ns && get_fs_path(task, &root, 1) == 0)
+ ret = 0;
put_task_struct(task);
}
if (!ns)
goto err;
- if (!fs)
+ if (ret)
goto err_put_ns;
- read_lock(&fs->lock);
- root = fs->root;
- path_get(&root);
- read_unlock(&fs->lock);
- put_fs_struct(fs);
-
ret = -ENOMEM;
p = kmalloc(sizeof(struct proc_mounts), GFP_KERNEL);
if (!p)
diff --git a/fs/splice.c b/fs/splice.c
index 6d310c7..aea1eb4 100644
--- a/fs/splice.c
+++ b/fs/splice.c
@@ -735,10 +735,19 @@ ssize_t splice_from_pipe(struct pipe_inode_info *pipe, struct file *out,
* ->commit_write. Most of the time, these expect i_mutex to
* be held. Since this may result in an ABBA deadlock with
* pipe->inode, we have to order lock acquiry here.
+ *
+ * Outer lock must be inode->i_mutex, as pipe_wait() will
+ * release and reacquire pipe->inode->i_mutex, AND inode must
+ * never be a pipe.
*/
- inode_double_lock(inode, pipe->inode);
+ WARN_ON(S_ISFIFO(inode->i_mode));
+ mutex_lock_nested(&inode->i_mutex, I_MUTEX_PARENT);
+ if (pipe->inode)
+ mutex_lock_nested(&pipe->inode->i_mutex, I_MUTEX_CHILD);
ret = __splice_from_pipe(pipe, &sd, actor);
- inode_double_unlock(inode, pipe->inode);
+ if (pipe->inode)
+ mutex_unlock(&pipe->inode->i_mutex);
+ mutex_unlock(&inode->i_mutex);
return ret;
}
@@ -829,11 +838,17 @@ generic_file_splice_write(struct pipe_inode_info *pipe, struct file *out,
};
ssize_t ret;
- inode_double_lock(inode, pipe->inode);
+ WARN_ON(S_ISFIFO(inode->i_mode));
+ mutex_lock_nested(&inode->i_mutex, I_MUTEX_PARENT);
ret = file_remove_suid(out);
- if (likely(!ret))
+ if (likely(!ret)) {
+ if (pipe->inode)
+ mutex_lock_nested(&pipe->inode->i_mutex, I_MUTEX_CHILD);
ret = __splice_from_pipe(pipe, &sd, pipe_to_file);
- inode_double_unlock(inode, pipe->inode);
+ if (pipe->inode)
+ mutex_unlock(&pipe->inode->i_mutex);
+ }
+ mutex_unlock(&inode->i_mutex);
if (ret > 0) {
unsigned long nr_pages;
diff --git a/include/linux/capability.h b/include/linux/capability.h
index 28863f4..dc09ff6 100644
--- a/include/linux/capability.h
+++ b/include/linux/capability.h
@@ -366,7 +366,21 @@ typedef struct kernel_cap_struct {
#define CAP_FOR_EACH_U32(__capi) \
for (__capi = 0; __capi < _KERNEL_CAPABILITY_U32S; ++__capi)
+/*
+ * CAP_FS_MASK and CAP_NFSD_MASKS:
+ *
+ * The fs mask is all the privileges that fsuid==0 historically meant.
+ * At one time in the past, that included CAP_MKNOD and CAP_LINUX_IMMUTABLE.
+ *
+ * It has never meant setting security.* and trusted.* xattrs.
+ *
+ * We could also define fsmask as follows:
+ * 1. CAP_FS_MASK is the privilege to bypass all fs-related DAC permissions
+ * 2. The security.* and trusted.* xattrs are fs-related MAC permissions
+ */
+
# define CAP_FS_MASK_B0 (CAP_TO_MASK(CAP_CHOWN) \
+ | CAP_TO_MASK(CAP_MKNOD) \
| CAP_TO_MASK(CAP_DAC_OVERRIDE) \
| CAP_TO_MASK(CAP_DAC_READ_SEARCH) \
| CAP_TO_MASK(CAP_FOWNER) \
@@ -381,11 +395,12 @@ typedef struct kernel_cap_struct {
# define CAP_EMPTY_SET ((kernel_cap_t){{ 0, 0 }})
# define CAP_FULL_SET ((kernel_cap_t){{ ~0, ~0 }})
# define CAP_INIT_EFF_SET ((kernel_cap_t){{ ~CAP_TO_MASK(CAP_SETPCAP), ~0 }})
-# define CAP_FS_SET ((kernel_cap_t){{ CAP_FS_MASK_B0, CAP_FS_MASK_B1 } })
+# define CAP_FS_SET ((kernel_cap_t){{ CAP_FS_MASK_B0 \
+ | CAP_TO_MASK(CAP_LINUX_IMMUTABLE), \
+ CAP_FS_MASK_B1 } })
# define CAP_NFSD_SET ((kernel_cap_t){{ CAP_FS_MASK_B0 \
- | CAP_TO_MASK(CAP_SYS_RESOURCE) \
- | CAP_TO_MASK(CAP_MKNOD), \
- CAP_FS_MASK_B1 } })
+ | CAP_TO_MASK(CAP_SYS_RESOURCE), \
+ CAP_FS_MASK_B1 } })
#endif /* _KERNEL_CAPABILITY_U32S != 2 */
diff --git a/include/linux/pci_regs.h b/include/linux/pci_regs.h
index 450684f..f5cd050 100644
--- a/include/linux/pci_regs.h
+++ b/include/linux/pci_regs.h
@@ -234,7 +234,7 @@
#define PCI_PM_CAP_PME_SHIFT 11 /* Start of the PME Mask in PMC */
#define PCI_PM_CTRL 4 /* PM control and status register */
#define PCI_PM_CTRL_STATE_MASK 0x0003 /* Current power state (D0 to D3) */
-#define PCI_PM_CTRL_NO_SOFT_RESET 0x0004 /* No reset for D3hot->D0 */
+#define PCI_PM_CTRL_NO_SOFT_RESET 0x0008 /* No reset for D3hot->D0 */
#define PCI_PM_CTRL_PME_ENABLE 0x0100 /* PME pin enable */
#define PCI_PM_CTRL_DATA_SEL_MASK 0x1e00 /* Data select (??) */
#define PCI_PM_CTRL_DATA_SCALE_MASK 0x6000 /* Data scale (??) */
diff --git a/include/linux/sched.h b/include/linux/sched.h
index 03e0902..09c5851 100644
--- a/include/linux/sched.h
+++ b/include/linux/sched.h
@@ -201,7 +201,8 @@ extern unsigned long long time_sync_thresh;
#define task_is_stopped_or_traced(task) \
((task->state & (__TASK_STOPPED | __TASK_TRACED)) != 0)
#define task_contributes_to_load(task) \
- ((task->state & TASK_UNINTERRUPTIBLE) != 0)
+ ((task->state & TASK_UNINTERRUPTIBLE) != 0 && \
+ (task->flags & PF_FROZEN) == 0)
#define __set_task_state(tsk, state_value) \
do { (tsk)->state = (state_value); } while (0)
diff --git a/kernel/exit.c b/kernel/exit.c
index 14096a1..8715136 100644
--- a/kernel/exit.c
+++ b/kernel/exit.c
@@ -938,8 +938,7 @@ static void exit_notify(struct task_struct *tsk, int group_dead)
*/
if (tsk->exit_signal != SIGCHLD && !task_detached(tsk) &&
(tsk->parent_exec_id != tsk->real_parent->self_exec_id ||
- tsk->self_exec_id != tsk->parent_exec_id) &&
- !capable(CAP_KILL))
+ tsk->self_exec_id != tsk->parent_exec_id))
tsk->exit_signal = SIGCHLD;
signal = tracehook_notify_death(tsk, &cookie, group_dead);
diff --git a/kernel/kprobes.c b/kernel/kprobes.c
index 75bc2cd..0920fa0 100644
--- a/kernel/kprobes.c
+++ b/kernel/kprobes.c
@@ -890,10 +890,8 @@ static int __kprobes pre_handler_kretprobe(struct kprobe *p,
ri->rp = rp;
ri->task = current;
- if (rp->entry_handler && rp->entry_handler(ri, regs)) {
- spin_unlock_irqrestore(&rp->lock, flags);
+ if (rp->entry_handler && rp->entry_handler(ri, regs))
return 0;
- }
arch_prepare_kretprobe(ri, regs);
diff --git a/kernel/signal.c b/kernel/signal.c
index 3d161f0..7d0a222 100644
--- a/kernel/signal.c
+++ b/kernel/signal.c
@@ -1549,7 +1549,15 @@ static void ptrace_stop(int exit_code, int clear_code, siginfo_t *info)
read_lock(&tasklist_lock);
if (may_ptrace_stop()) {
do_notify_parent_cldstop(current, CLD_TRAPPED);
+ /*
+ * Don't want to allow preemption here, because
+ * sys_ptrace() needs this task to be inactive.
+ *
+ * XXX: implement read_unlock_no_resched().
+ */
+ preempt_disable();
read_unlock(&tasklist_lock);
+ preempt_enable_no_resched();
schedule();
} else {
/*
diff --git a/mm/filemap_xip.c b/mm/filemap_xip.c
index b5167df..e8b2b18 100644
--- a/mm/filemap_xip.c
+++ b/mm/filemap_xip.c
@@ -89,8 +89,8 @@ do_xip_mapping_read(struct address_space *mapping,
}
}
nr = nr - offset;
- if (nr > len)
- nr = len;
+ if (nr > len - copied)
+ nr = len - copied;
error = mapping->a_ops->get_xip_mem(mapping, index, 0,
&xip_mem, &xip_pfn);
diff --git a/mm/mmap.c b/mm/mmap.c
index ca12a93..2ae093e 100644
--- a/mm/mmap.c
+++ b/mm/mmap.c
@@ -2068,6 +2068,9 @@ void exit_mmap(struct mm_struct *mm)
arch_exit_mmap(mm);
mmu_notifier_release(mm);
+ if (!mm->mmap) /* Can happen if dup_mmap() received an OOM */
+ return;
+
lru_add_drain();
flush_cache_mm(mm);
tlb = tlb_gather_mmu(mm, 1);
diff --git a/net/bridge/br_if.c b/net/bridge/br_if.c
index 63c18aa..2043c8e 100644
--- a/net/bridge/br_if.c
+++ b/net/bridge/br_if.c
@@ -419,7 +419,6 @@ err2:
err1:
kobject_del(&p->kobj);
err0:
- kobject_put(&p->kobj);
dev_set_promiscuity(dev, -1);
put_back:
dev_put(dev);
diff --git a/net/ipv4/netfilter/arp_tables.c b/net/ipv4/netfilter/arp_tables.c
index 03e83a6..6671485 100644
--- a/net/ipv4/netfilter/arp_tables.c
+++ b/net/ipv4/netfilter/arp_tables.c
@@ -372,7 +372,9 @@ static int mark_source_chains(struct xt_table_info *newinfo,
&& unconditional(&e->arp)) || visited) {
unsigned int oldpos, size;
- if (t->verdict < -NF_MAX_VERDICT - 1) {
+ if ((strcmp(t->target.u.user.name,
+ ARPT_STANDARD_TARGET) == 0) &&
+ t->verdict < -NF_MAX_VERDICT - 1) {
duprintf("mark_source_chains: bad "
"negative verdict (%i)\n",
t->verdict);
diff --git a/net/ipv4/netfilter/ip_tables.c b/net/ipv4/netfilter/ip_tables.c
index 4e7c719..b56a203 100644
--- a/net/ipv4/netfilter/ip_tables.c
+++ b/net/ipv4/netfilter/ip_tables.c
@@ -502,7 +502,9 @@ mark_source_chains(struct xt_table_info *newinfo,
&& unconditional(&e->ip)) || visited) {
unsigned int oldpos, size;
- if (t->verdict < -NF_MAX_VERDICT - 1) {
+ if ((strcmp(t->target.u.user.name,
+ IPT_STANDARD_TARGET) == 0) &&
+ t->verdict < -NF_MAX_VERDICT - 1) {
duprintf("mark_source_chains: bad "
"negative verdict (%i)\n",
t->verdict);
diff --git a/net/ipv6/inet6_hashtables.c b/net/ipv6/inet6_hashtables.c
index 1646a56..4494cb6 100644
--- a/net/ipv6/inet6_hashtables.c
+++ b/net/ipv6/inet6_hashtables.c
@@ -210,11 +210,11 @@ unique:
if (twp != NULL) {
*twp = tw;
- NET_INC_STATS_BH(twsk_net(tw), LINUX_MIB_TIMEWAITRECYCLED);
+ NET_INC_STATS_BH(net, LINUX_MIB_TIMEWAITRECYCLED);
} else if (tw != NULL) {
/* Silly. Should hash-dance instead... */
inet_twsk_deschedule(tw, death_row);
- NET_INC_STATS_BH(twsk_net(tw), LINUX_MIB_TIMEWAITRECYCLED);
+ NET_INC_STATS_BH(net, LINUX_MIB_TIMEWAITRECYCLED);
inet_twsk_put(tw);
}
diff --git a/net/ipv6/ip6_input.c b/net/ipv6/ip6_input.c
index 7e14ccc..e55427d 100644
--- a/net/ipv6/ip6_input.c
+++ b/net/ipv6/ip6_input.c
@@ -74,8 +74,7 @@ int ipv6_rcv(struct sk_buff *skb, struct net_device *dev, struct packet_type *pt
if ((skb = skb_share_check(skb, GFP_ATOMIC)) == NULL ||
!idev || unlikely(idev->cnf.disable_ipv6)) {
IP6_INC_STATS_BH(idev, IPSTATS_MIB_INDISCARDS);
- rcu_read_unlock();
- goto out;
+ goto drop;
}
memset(IP6CB(skb), 0, sizeof(struct inet6_skb_parm));
@@ -145,7 +144,6 @@ err:
drop:
rcu_read_unlock();
kfree_skb(skb);
-out:
return 0;
}
diff --git a/net/ipv6/netfilter/ip6_tables.c b/net/ipv6/netfilter/ip6_tables.c
index 0b4557e..81751c3 100644
--- a/net/ipv6/netfilter/ip6_tables.c
+++ b/net/ipv6/netfilter/ip6_tables.c
@@ -529,7 +529,9 @@ mark_source_chains(struct xt_table_info *newinfo,
&& unconditional(&e->ipv6)) || visited) {
unsigned int oldpos, size;
- if (t->verdict < -NF_MAX_VERDICT - 1) {
+ if ((strcmp(t->target.u.user.name,
+ IP6T_STANDARD_TARGET) == 0) &&
+ t->verdict < -NF_MAX_VERDICT - 1) {
duprintf("mark_source_chains: bad "
"negative verdict (%i)\n",
t->verdict);
diff --git a/net/netfilter/nf_conntrack_proto_tcp.c b/net/netfilter/nf_conntrack_proto_tcp.c
index 6f61261..fcbc6b9 100644
--- a/net/netfilter/nf_conntrack_proto_tcp.c
+++ b/net/netfilter/nf_conntrack_proto_tcp.c
@@ -15,6 +15,7 @@
#include <linux/skbuff.h>
#include <linux/ipv6.h>
#include <net/ip6_checksum.h>
+#include <asm/unaligned.h>
#include <net/tcp.h>
@@ -466,7 +467,7 @@ static void tcp_sack(const struct sk_buff *skb, unsigned int dataoff,
for (i = 0;
i < (opsize - TCPOLEN_SACK_BASE);
i += TCPOLEN_SACK_PERBLOCK) {
- tmp = ntohl(*((__be32 *)(ptr+i)+1));
+ tmp = get_unaligned_be32((__be32 *)(ptr+i)+1);
if (after(tmp, *sack))
*sack = tmp;
diff --git a/net/netrom/af_netrom.c b/net/netrom/af_netrom.c
index 9f1ea4a..db9e263 100644
--- a/net/netrom/af_netrom.c
+++ b/net/netrom/af_netrom.c
@@ -1082,7 +1082,13 @@ static int nr_sendmsg(struct kiocb *iocb, struct socket *sock,
SOCK_DEBUG(sk, "NET/ROM: sendto: Addresses built.\n");
- /* Build a packet */
+ /* Build a packet - the conventional user limit is 236 bytes. We can
+ do ludicrously large NetROM frames but must not overflow */
+ if (len > 65536) {
+ err = -EMSGSIZE;
+ goto out;
+ }
+
SOCK_DEBUG(sk, "NET/ROM: sendto: building packet.\n");
size = len + NR_NETWORK_LEN + NR_TRANSPORT_LEN;
diff --git a/net/rose/af_rose.c b/net/rose/af_rose.c
index a7f1ce1..c062361 100644
--- a/net/rose/af_rose.c
+++ b/net/rose/af_rose.c
@@ -1120,6 +1120,10 @@ static int rose_sendmsg(struct kiocb *iocb, struct socket *sock,
/* Build a packet */
SOCK_DEBUG(sk, "ROSE: sendto: building packet.\n");
+ /* Sanity check the packet size */
+ if (len > 65535)
+ return -EMSGSIZE;
+
size = len + AX25_BPQ_HEADER_LEN + AX25_MAX_HEADER_LEN + ROSE_MIN_LEN;
if ((skb = sock_alloc_send_skb(sk, size, msg->msg_flags & MSG_DONTWAIT, &err)) == NULL)
diff --git a/net/sctp/endpointola.c b/net/sctp/endpointola.c
index 4c8d9f4..905fda5 100644
--- a/net/sctp/endpointola.c
+++ b/net/sctp/endpointola.c
@@ -111,7 +111,8 @@ static struct sctp_endpoint *sctp_endpoint_init(struct sctp_endpoint *ep,
if (sctp_addip_enable) {
auth_chunks->chunks[0] = SCTP_CID_ASCONF;
auth_chunks->chunks[1] = SCTP_CID_ASCONF_ACK;
- auth_chunks->param_hdr.length += htons(2);
+ auth_chunks->param_hdr.length =
+ htons(sizeof(sctp_paramhdr_t) + 2);
}
}
diff --git a/net/x25/af_x25.c b/net/x25/af_x25.c
index 9fc5b02..88d80f5 100644
--- a/net/x25/af_x25.c
+++ b/net/x25/af_x25.c
@@ -1037,6 +1037,12 @@ static int x25_sendmsg(struct kiocb *iocb, struct socket *sock,
sx25.sx25_addr = x25->dest_addr;
}
+ /* Sanity check the packet size */
+ if (len > 65535) {
+ rc = -EMSGSIZE;
+ goto out;
+ }
+
SOCK_DEBUG(sk, "x25_sendmsg: sendto: Addresses built.\n");
/* Build a packet */
diff --git a/security/selinux/hooks.c b/security/selinux/hooks.c
index 03fc6a8..f028f70 100644
--- a/security/selinux/hooks.c
+++ b/security/selinux/hooks.c
@@ -4467,6 +4467,7 @@ static int selinux_ip_postroute_iptables_compat(struct sock *sk,
if (err)
return err;
err = avc_has_perm(sk_sid, if_sid, SECCLASS_NETIF, netif_perm, ad);
+ if (err)
return err;
err = sel_netnode_sid(addrp, family, &node_sid);
diff --git a/security/smack/smack_lsm.c b/security/smack/smack_lsm.c
index 87d7541..b802923 100644
--- a/security/smack/smack_lsm.c
+++ b/security/smack/smack_lsm.c
@@ -604,6 +604,8 @@ static int smack_inode_setxattr(struct dentry *dentry, const char *name,
strcmp(name, XATTR_NAME_SMACKIPOUT) == 0) {
if (!capable(CAP_MAC_ADMIN))
rc = -EPERM;
+ if (size == 0)
+ rc = -EINVAL;
} else
rc = cap_inode_setxattr(dentry, name, value, size, flags);
@@ -1360,7 +1362,7 @@ static int smack_inode_setsecurity(struct inode *inode, const char *name,
struct socket *sock;
int rc = 0;
- if (value == NULL || size > SMK_LABELLEN)
+ if (value == NULL || size > SMK_LABELLEN || size == 0)
return -EACCES;
sp = smk_import(value, size);
diff --git a/sound/pci/hda/patch_analog.c b/sound/pci/hda/patch_analog.c
index 8c857d5..026f723 100644
--- a/sound/pci/hda/patch_analog.c
+++ b/sound/pci/hda/patch_analog.c
@@ -3220,7 +3220,7 @@ static const char *ad1884_slave_vols[] = {
"Mic Playback Volume",
"CD Playback Volume",
"Internal Mic Playback Volume",
- "Docking Mic Playback Volume"
+ "Docking Mic Playback Volume",
"Beep Playback Volume",
"IEC958 Playback Volume",
NULL
--
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