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Linux 3.11 

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Merge tag 'v3.11' into for-linus

Linux 3.11
This commit is contained in:
Chris Mason 2013-09-21 10:44:55 -04:00
parent d7396f0735 6e4664525b
commit 07f0e62e7f
99 changed files with 959 additions and 413 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
MAINTAINERS
View File

@ -6066,7 +6066,7 @@ M: Rob Herring <rob.herring@calxeda.com>
M: Pawel Moll <pawel.moll@arm.com>
M: Mark Rutland <mark.rutland@arm.com>
M: Stephen Warren <swarren@wwwdotorg.org>
M: Ian Campbell <ian.campbell@citrix.com>
M: Ian Campbell <ijc+devicetree@hellion.org.uk>
L: devicetree@vger.kernel.org
S: Maintained
F: Documentation/devicetree/

2
Makefile
View File

@ -1,7 +1,7 @@
VERSION = 3
PATCHLEVEL = 11
SUBLEVEL = 0
EXTRAVERSION = -rc7
EXTRAVERSION =
NAME = Linux for Workgroups
# *DOCUMENTATION*

2
arch/arm/mach-prima2/common.c
View File

@ -42,7 +42,6 @@ static const char *atlas6_dt_match[] __initdata = {
DT_MACHINE_START(ATLAS6_DT, "Generic ATLAS6 (Flattened Device Tree)")
/* Maintainer: Barry Song <baohua.song@csr.com> */
.nr_irqs = 128,
.map_io = sirfsoc_map_io,
.init_time = sirfsoc_init_time,
.init_late = sirfsoc_init_late,
@ -59,7 +58,6 @@ static const char *prima2_dt_match[] __initdata = {
DT_MACHINE_START(PRIMA2_DT, "Generic PRIMA2 (Flattened Device Tree)")
/* Maintainer: Barry Song <baohua.song@csr.com> */
.nr_irqs = 128,
.map_io = sirfsoc_map_io,
.init_time = sirfsoc_init_time,
.dma_zone_size = SZ_256M,

1
arch/powerpc/Kconfig
View File

@ -979,6 +979,7 @@ config RELOCATABLE
must live at a different physical address than the primary
kernel.
# This value must have zeroes in the bottom 60 bits otherwise lots will break
config PAGE_OFFSET
hex
default "0xc000000000000000"

10
arch/powerpc/include/asm/page.h
View File

@ -211,9 +211,19 @@ extern long long virt_phys_offset;
#define __va(x) ((void *)(unsigned long)((phys_addr_t)(x) + VIRT_PHYS_OFFSET))
#define __pa(x) ((unsigned long)(x) - VIRT_PHYS_OFFSET)
#else
#ifdef CONFIG_PPC64
/*
* gcc miscompiles (unsigned long)(&static_var) - PAGE_OFFSET
* with -mcmodel=medium, so we use & and | instead of - and + on 64-bit.
*/
#define __va(x) ((void *)(unsigned long)((phys_addr_t)(x) | PAGE_OFFSET))
#define __pa(x) ((unsigned long)(x) & 0x0fffffffffffffffUL)
#else /* 32-bit, non book E */
#define __va(x) ((void *)(unsigned long)((phys_addr_t)(x) + PAGE_OFFSET - MEMORY_START))
#define __pa(x) ((unsigned long)(x) - PAGE_OFFSET + MEMORY_START)
#endif
#endif
/*
* Unfortunately the PLT is in the BSS in the PPC32 ELF ABI,

22
arch/powerpc/kernel/lparcfg.c
View File

@ -35,7 +35,13 @@
#include <asm/vdso_datapage.h>
#include <asm/vio.h>
#include <asm/mmu.h>
#include <asm/machdep.h>
/*
* This isn't a module but we expose that to userspace
* via /proc so leave the definitions here
*/
#define MODULE_VERS "1.9"
#define MODULE_NAME "lparcfg"
@ -418,7 +424,8 @@ static void parse_em_data(struct seq_file *m)
{
unsigned long retbuf[PLPAR_HCALL_BUFSIZE];
if (plpar_hcall(H_GET_EM_PARMS, retbuf) == H_SUCCESS)
if (firmware_has_feature(FW_FEATURE_LPAR) &&
plpar_hcall(H_GET_EM_PARMS, retbuf) == H_SUCCESS)
seq_printf(m, "power_mode_data=%016lx\n", retbuf[0]);
}
@ -677,7 +684,6 @@ static int lparcfg_open(struct inode *inode, struct file *file)
}
static const struct file_operations lparcfg_fops = {
.owner = THIS_MODULE,
.read = seq_read,
.write = lparcfg_write,
.open = lparcfg_open,
@ -699,14 +705,4 @@ static int __init lparcfg_init(void)
}
return 0;
}
static void __exit lparcfg_cleanup(void)
{
remove_proc_subtree("powerpc/lparcfg", NULL);
}
module_init(lparcfg_init);
module_exit(lparcfg_cleanup);
MODULE_DESCRIPTION("Interface for LPAR configuration data");
MODULE_AUTHOR("Dave Engebretsen");
MODULE_LICENSE("GPL");
machine_device_initcall(pseries, lparcfg_init);

4
arch/x86/mm/init.c
View File

@ -78,8 +78,8 @@ __ref void *alloc_low_pages(unsigned int num)
return __va(pfn << PAGE_SHIFT);
}
/* need 4 4k for initial PMD_SIZE, 4k for 0-ISA_END_ADDRESS */
#define INIT_PGT_BUF_SIZE (5 * PAGE_SIZE)
/* need 3 4k for initial PMD_SIZE, 3 4k for 0-ISA_END_ADDRESS */
#define INIT_PGT_BUF_SIZE (6 * PAGE_SIZE)
RESERVE_BRK(early_pgt_alloc, INIT_PGT_BUF_SIZE);
void __init early_alloc_pgt_buf(void)
{

2
drivers/base/memory.c
View File

@ -141,6 +141,8 @@ static ssize_t show_mem_removable(struct device *dev,
container_of(dev, struct memory_block, dev);
for (i = 0; i < sections_per_block; i++) {
if (!present_section_nr(mem->start_section_nr + i))
continue;
pfn = section_nr_to_pfn(mem->start_section_nr + i);
ret &= is_mem_section_removable(pfn, PAGES_PER_SECTION);
}

2
drivers/base/regmap/regcache-rbtree.c
View File

@ -332,7 +332,7 @@ regcache_rbtree_node_alloc(struct regmap *map, unsigned int reg)
}
if (!rbnode->blklen) {
rbnode->blklen = sizeof(*rbnode);
rbnode->blklen = 1;
rbnode->base_reg = reg;
}

2
drivers/dma/Kconfig
View File

@ -194,7 +194,7 @@ config SIRF_DMA
Enable support for the CSR SiRFprimaII DMA engine.
config TI_EDMA
tristate "TI EDMA support"
bool "TI EDMA support"
depends on ARCH_DAVINCI || ARCH_OMAP
select DMA_ENGINE
select DMA_VIRTUAL_CHANNELS

2
drivers/gpu/drm/i915/i915_reg.h
View File

@ -4440,7 +4440,7 @@
#define EDP_LINK_TRAIN_600MV_0DB_IVB (0x30 <<22)
#define EDP_LINK_TRAIN_600MV_3_5DB_IVB (0x36 <<22)
#define EDP_LINK_TRAIN_800MV_0DB_IVB (0x38 <<22)
#define EDP_LINK_TRAIN_800MV_3_5DB_IVB (0x33 <<22)
#define EDP_LINK_TRAIN_800MV_3_5DB_IVB (0x3e <<22)
/* legacy values */
#define EDP_LINK_TRAIN_500MV_0DB_IVB (0x00 <<22)

58
drivers/gpu/drm/vmwgfx/vmwgfx_gmr.c
View File

@ -29,7 +29,9 @@
#include <drm/drmP.h>
#include <drm/ttm/ttm_bo_driver.h>
#define VMW_PPN_SIZE sizeof(unsigned long)
#define VMW_PPN_SIZE (sizeof(unsigned long))
/* A future safe maximum remap size. */
#define VMW_PPN_PER_REMAP ((31 * 1024) / VMW_PPN_SIZE)
static int vmw_gmr2_bind(struct vmw_private *dev_priv,
struct page *pages[],
@ -38,43 +40,61 @@ static int vmw_gmr2_bind(struct vmw_private *dev_priv,
{
SVGAFifoCmdDefineGMR2 define_cmd;
SVGAFifoCmdRemapGMR2 remap_cmd;
uint32_t define_size = sizeof(define_cmd) + 4;
uint32_t remap_size = VMW_PPN_SIZE * num_pages + sizeof(remap_cmd) + 4;
uint32_t *cmd;
uint32_t *cmd_orig;
uint32_t define_size = sizeof(define_cmd) + sizeof(*cmd);
uint32_t remap_num = num_pages / VMW_PPN_PER_REMAP + ((num_pages % VMW_PPN_PER_REMAP) > 0);
uint32_t remap_size = VMW_PPN_SIZE * num_pages + (sizeof(remap_cmd) + sizeof(*cmd)) * remap_num;
uint32_t remap_pos = 0;
uint32_t cmd_size = define_size + remap_size;
uint32_t i;
cmd_orig = cmd = vmw_fifo_reserve(dev_priv, define_size + remap_size);
cmd_orig = cmd = vmw_fifo_reserve(dev_priv, cmd_size);
if (unlikely(cmd == NULL))
return -ENOMEM;
define_cmd.gmrId = gmr_id;
define_cmd.numPages = num_pages;
*cmd++ = SVGA_CMD_DEFINE_GMR2;
memcpy(cmd, &define_cmd, sizeof(define_cmd));
cmd += sizeof(define_cmd) / sizeof(*cmd);
/*
* Need to split the command if there are too many
* pages that goes into the gmr.
*/
remap_cmd.gmrId = gmr_id;
remap_cmd.flags = (VMW_PPN_SIZE > sizeof(*cmd)) ?
SVGA_REMAP_GMR2_PPN64 : SVGA_REMAP_GMR2_PPN32;
remap_cmd.offsetPages = 0;
remap_cmd.numPages = num_pages;
*cmd++ = SVGA_CMD_DEFINE_GMR2;
memcpy(cmd, &define_cmd, sizeof(define_cmd));
cmd += sizeof(define_cmd) / sizeof(uint32);
while (num_pages > 0) {
unsigned long nr = min(num_pages, (unsigned long)VMW_PPN_PER_REMAP);
*cmd++ = SVGA_CMD_REMAP_GMR2;
memcpy(cmd, &remap_cmd, sizeof(remap_cmd));
cmd += sizeof(remap_cmd) / sizeof(uint32);
remap_cmd.offsetPages = remap_pos;
remap_cmd.numPages = nr;
for (i = 0; i < num_pages; ++i) {
if (VMW_PPN_SIZE <= 4)
*cmd = page_to_pfn(*pages++);
else
*((uint64_t *)cmd) = page_to_pfn(*pages++);
*cmd++ = SVGA_CMD_REMAP_GMR2;
memcpy(cmd, &remap_cmd, sizeof(remap_cmd));
cmd += sizeof(remap_cmd) / sizeof(*cmd);
cmd += VMW_PPN_SIZE / sizeof(*cmd);
for (i = 0; i < nr; ++i) {
if (VMW_PPN_SIZE <= 4)
*cmd = page_to_pfn(*pages++);
else
*((uint64_t *)cmd) = page_to_pfn(*pages++);
cmd += VMW_PPN_SIZE / sizeof(*cmd);
}
num_pages -= nr;
remap_pos += nr;
}
vmw_fifo_commit(dev_priv, define_size + remap_size);
BUG_ON(cmd != cmd_orig + cmd_size / sizeof(*cmd));
vmw_fifo_commit(dev_priv, cmd_size);
return 0;
}

1
drivers/input/joystick/xpad.c
View File

@ -167,6 +167,7 @@ static const struct xpad_device {
{ 0x1430, 0x8888, "TX6500+ Dance Pad (first generation)", MAP_DPAD_TO_BUTTONS, XTYPE_XBOX },
{ 0x146b, 0x0601, "BigBen Interactive XBOX 360 Controller", 0, XTYPE_XBOX360 },
{ 0x1689, 0xfd00, "Razer Onza Tournament Edition", MAP_DPAD_TO_BUTTONS, XTYPE_XBOX360 },
{ 0x1689, 0xfd01, "Razer Onza Classic Edition", MAP_DPAD_TO_BUTTONS, XTYPE_XBOX360 },
{ 0x1bad, 0x0002, "Harmonix Rock Band Guitar", 0, XTYPE_XBOX360 },
{ 0x1bad, 0x0003, "Harmonix Rock Band Drumkit", MAP_DPAD_TO_BUTTONS, XTYPE_XBOX360 },
{ 0x1bad, 0xf016, "Mad Catz Xbox 360 Controller", 0, XTYPE_XBOX360 },

44
drivers/input/mouse/elantech.c
View File

@ -672,6 +672,7 @@ static int elantech_packet_check_v2(struct psmouse *psmouse)
*/
static int elantech_packet_check_v3(struct psmouse *psmouse)
{
struct elantech_data *etd = psmouse->private;
const u8 debounce_packet[] = { 0xc4, 0xff, 0xff, 0x02, 0xff, 0xff };
unsigned char *packet = psmouse->packet;
@ -682,19 +683,48 @@ static int elantech_packet_check_v3(struct psmouse *psmouse)
if (!memcmp(packet, debounce_packet, sizeof(debounce_packet)))
return PACKET_DEBOUNCE;
if ((packet[0] & 0x0c) == 0x04 && (packet[3] & 0xcf) == 0x02)
return PACKET_V3_HEAD;
/*
* If the hardware flag 'crc_enabled' is set the packets have
* different signatures.
*/
if (etd->crc_enabled) {
if ((packet[3] & 0x09) == 0x08)
return PACKET_V3_HEAD;
if ((packet[0] & 0x0c) == 0x0c && (packet[3] & 0xce) == 0x0c)
return PACKET_V3_TAIL;
if ((packet[3] & 0x09) == 0x09)
return PACKET_V3_TAIL;
} else {
if ((packet[0] & 0x0c) == 0x04 && (packet[3] & 0xcf) == 0x02)
return PACKET_V3_HEAD;
if ((packet[0] & 0x0c) == 0x0c && (packet[3] & 0xce) == 0x0c)
return PACKET_V3_TAIL;
}
return PACKET_UNKNOWN;
}
static int elantech_packet_check_v4(struct psmouse *psmouse)
{
struct elantech_data *etd = psmouse->private;
unsigned char *packet = psmouse->packet;
unsigned char packet_type = packet[3] & 0x03;
bool sanity_check;
/*
* Sanity check based on the constant bits of a packet.
* The constant bits change depending on the value of
* the hardware flag 'crc_enabled' but are the same for
* every packet, regardless of the type.
*/
if (etd->crc_enabled)
sanity_check = ((packet[3] & 0x08) == 0x00);
else
sanity_check = ((packet[0] & 0x0c) == 0x04 &&
(packet[3] & 0x1c) == 0x10);
if (!sanity_check)
return PACKET_UNKNOWN;
switch (packet_type) {
case 0:
@ -1313,6 +1343,12 @@ static int elantech_set_properties(struct elantech_data *etd)
etd->reports_pressure = true;
}
/*
* The signatures of v3 and v4 packets change depending on the
* value of this hardware flag.
*/
etd->crc_enabled = ((etd->fw_version & 0x4000) == 0x4000);
return 0;
}

1
drivers/input/mouse/elantech.h
View File

@ -129,6 +129,7 @@ struct elantech_data {
bool paritycheck;
bool jumpy_cursor;
bool reports_pressure;
bool crc_enabled;
unsigned char hw_version;
unsigned int fw_version;
unsigned int single_finger_reports;

3
drivers/input/serio/Kconfig
View File

@ -22,7 +22,8 @@ config SERIO_I8042
tristate "i8042 PC Keyboard controller" if EXPERT || !X86
default y
depends on !PARISC && (!ARM || ARCH_SHARK || FOOTBRIDGE_HOST) && \
(!SUPERH || SH_CAYMAN) && !M68K && !BLACKFIN && !S390
(!SUPERH || SH_CAYMAN) && !M68K && !BLACKFIN && !S390 && \
!ARC
help
i8042 is the chip over which the standard AT keyboard and PS/2
mouse are connected to the computer. If you use these devices,

10
drivers/input/tablet/wacom_wac.c
View File

@ -2112,7 +2112,7 @@ static const struct wacom_features wacom_features_0xDA =
{ "Wacom Bamboo 2FG 4x5 SE", WACOM_PKGLEN_BBFUN, 14720, 9200, 1023,
31, BAMBOO_PT, WACOM_INTUOS_RES, WACOM_INTUOS_RES,
.touch_max = 2 };
static struct wacom_features wacom_features_0xDB =
static const struct wacom_features wacom_features_0xDB =
{ "Wacom Bamboo 2FG 6x8 SE", WACOM_PKGLEN_BBFUN, 21648, 13700, 1023,
31, BAMBOO_PT, WACOM_INTUOS_RES, WACOM_INTUOS_RES,
.touch_max = 2 };
@ -2127,6 +2127,12 @@ static const struct wacom_features wacom_features_0xDF =
{ "Wacom Bamboo 16FG 6x8", WACOM_PKGLEN_BBPEN, 21648, 13700, 1023,
31, BAMBOO_PT, WACOM_INTUOS_RES, WACOM_INTUOS_RES,
.touch_max = 16 };
static const struct wacom_features wacom_features_0x300 =
{ "Wacom Bamboo One S", WACOM_PKGLEN_BBPEN, 14720, 9225, 1023,
31, BAMBOO_PT, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
static const struct wacom_features wacom_features_0x301 =
{ "Wacom Bamboo One M", WACOM_PKGLEN_BBPEN, 21648, 13530, 1023,
31, BAMBOO_PT, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
static const struct wacom_features wacom_features_0x6004 =
{ "ISD-V4", WACOM_PKGLEN_GRAPHIRE, 12800, 8000, 255,
0, TABLETPC, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
@ -2253,6 +2259,8 @@ const struct usb_device_id wacom_ids[] = {
{ USB_DEVICE_WACOM(0x100) },
{ USB_DEVICE_WACOM(0x101) },
{ USB_DEVICE_WACOM(0x10D) },
{ USB_DEVICE_WACOM(0x300) },
{ USB_DEVICE_WACOM(0x301) },
{ USB_DEVICE_WACOM(0x304) },
{ USB_DEVICE_WACOM(0x4001) },
{ USB_DEVICE_WACOM(0x47) },

18
drivers/irqchip/irq-sirfsoc.c
View File

@ -23,7 +23,7 @@
#define SIRFSOC_INT_RISC_LEVEL1 0x0024
#define SIRFSOC_INIT_IRQ_ID 0x0038
#define SIRFSOC_NUM_IRQS 128
#define SIRFSOC_NUM_IRQS 64
static struct irq_domain *sirfsoc_irqdomain;
@ -32,15 +32,18 @@ sirfsoc_alloc_gc(void __iomem *base, unsigned int irq_start, unsigned int num)
{
struct irq_chip_generic *gc;
struct irq_chip_type *ct;
int ret;
unsigned int clr = IRQ_NOREQUEST | IRQ_NOPROBE | IRQ_NOAUTOEN;
gc = irq_alloc_generic_chip("SIRFINTC", 1, irq_start, base, handle_level_irq);
ret = irq_alloc_domain_generic_chips(sirfsoc_irqdomain, num, 1, "irq_sirfsoc",
handle_level_irq, clr, 0, IRQ_GC_INIT_MASK_CACHE);
gc = irq_get_domain_generic_chip(sirfsoc_irqdomain, irq_start);
gc->reg_base = base;
ct = gc->chip_types;
ct->chip.irq_mask = irq_gc_mask_clr_bit;
ct->chip.irq_unmask = irq_gc_mask_set_bit;
ct->regs.mask = SIRFSOC_INT_RISC_MASK0;
irq_setup_generic_chip(gc, IRQ_MSK(num), IRQ_GC_INIT_MASK_CACHE, IRQ_NOREQUEST, 0);
}
static asmlinkage void __exception_irq_entry sirfsoc_handle_irq(struct pt_regs *regs)
@ -60,9 +63,8 @@ static int __init sirfsoc_irq_init(struct device_node *np, struct device_node *p
if (!base)
panic("unable to map intc cpu registers\n");
/* using legacy because irqchip_generic does not work with linear */
sirfsoc_irqdomain = irq_domain_add_legacy(np, SIRFSOC_NUM_IRQS, 0, 0,
&irq_domain_simple_ops, base);
sirfsoc_irqdomain = irq_domain_add_linear(np, SIRFSOC_NUM_IRQS,
&irq_generic_chip_ops, base);
sirfsoc_alloc_gc(base, 0, 32);
sirfsoc_alloc_gc(base + 4, 32, SIRFSOC_NUM_IRQS - 32);

4
drivers/isdn/mISDN/dsp_core.c
View File

@ -288,8 +288,10 @@ dsp_control_req(struct dsp *dsp, struct mISDNhead *hh, struct sk_buff *skb)
u8 *data;
int len;
if (skb->len < sizeof(int))
if (skb->len < sizeof(int)) {
printk(KERN_ERR "%s: PH_CONTROL message too short\n", __func__);
return -EINVAL;
}
cont = *((int *)skb->data);
len = skb->len - sizeof(int);
data = skb->data + sizeof(int);

9
drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.c
View File

@ -53,6 +53,7 @@ static inline void bnx2x_move_fp(struct bnx2x *bp, int from, int to)
struct bnx2x_fp_stats *to_fp_stats = &bp->fp_stats[to];
int old_max_eth_txqs, new_max_eth_txqs;
int old_txdata_index = 0, new_txdata_index = 0;
struct bnx2x_agg_info *old_tpa_info = to_fp->tpa_info;
/* Copy the NAPI object as it has been already initialized */
from_fp->napi = to_fp->napi;
@ -61,6 +62,11 @@ static inline void bnx2x_move_fp(struct bnx2x *bp, int from, int to)
memcpy(to_fp, from_fp, sizeof(*to_fp));
to_fp->index = to;
/* Retain the tpa_info of the original `to' version as we don't want
* 2 FPs to contain the same tpa_info pointer.
*/
to_fp->tpa_info = old_tpa_info;
/* move sp_objs contents as well, as their indices match fp ones */
memcpy(to_sp_objs, from_sp_objs, sizeof(*to_sp_objs));
@ -2956,8 +2962,9 @@ int bnx2x_nic_unload(struct bnx2x *bp, int unload_mode, bool keep_link)
if (IS_PF(bp)) {
if (CNIC_LOADED(bp))
bnx2x_free_mem_cnic(bp);
bnx2x_free_mem(bp);
}
bnx2x_free_mem(bp);
bp->state = BNX2X_STATE_CLOSED;
bp->cnic_loaded = false;

9
drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c
View File

@ -7855,12 +7855,15 @@ void bnx2x_free_mem(struct bnx2x *bp)
{
int i;
BNX2X_PCI_FREE(bp->def_status_blk, bp->def_status_blk_mapping,
sizeof(struct host_sp_status_block));
BNX2X_PCI_FREE(bp->fw_stats, bp->fw_stats_mapping,
bp->fw_stats_data_sz + bp->fw_stats_req_sz);
if (IS_VF(bp))
return;
BNX2X_PCI_FREE(bp->def_status_blk, bp->def_status_blk_mapping,
sizeof(struct host_sp_status_block));
BNX2X_PCI_FREE(bp->slowpath, bp->slowpath_mapping,
sizeof(struct bnx2x_slowpath));

63
drivers/net/ethernet/broadcom/bnx2x/bnx2x_sriov.c
View File

@ -522,23 +522,6 @@ static int bnx2x_vfop_set_user_req(struct bnx2x *bp,
return 0;
}
static int
bnx2x_vfop_config_vlan0(struct bnx2x *bp,
struct bnx2x_vlan_mac_ramrod_params *vlan_mac,
bool add)
{
int rc;
vlan_mac->user_req.cmd = add ? BNX2X_VLAN_MAC_ADD :
BNX2X_VLAN_MAC_DEL;
vlan_mac->user_req.u.vlan.vlan = 0;
rc = bnx2x_config_vlan_mac(bp, vlan_mac);
if (rc == -EEXIST)
rc = 0;
return rc;
}
static int bnx2x_vfop_config_list(struct bnx2x *bp,
struct bnx2x_vfop_filters *filters,
struct bnx2x_vlan_mac_ramrod_params *vlan_mac)
@ -643,30 +626,14 @@ static void bnx2x_vfop_vlan_mac(struct bnx2x *bp, struct bnx2x_virtf *vf)
case BNX2X_VFOP_VLAN_CONFIG_LIST:
/* next state */
vfop->state = BNX2X_VFOP_VLAN_CONFIG_LIST_0;
vfop->state = BNX2X_VFOP_VLAN_MAC_CHK_DONE;
/* remove vlan0 - could be no-op */
vfop->rc = bnx2x_vfop_config_vlan0(bp, vlan_mac, false);
if (vfop->rc)
goto op_err;
/* Do vlan list config. if this operation fails we try to
* restore vlan0 to keep the queue is working order
*/
/* do list config */
vfop->rc = bnx2x_vfop_config_list(bp, filters, vlan_mac);
if (!vfop->rc) {
set_bit(RAMROD_CONT, &vlan_mac->ramrod_flags);
vfop->rc = bnx2x_config_vlan_mac(bp, vlan_mac);
}
bnx2x_vfop_finalize(vf, vfop->rc, VFOP_CONT); /* fall-through */
case BNX2X_VFOP_VLAN_CONFIG_LIST_0:
/* next state */
vfop->state = BNX2X_VFOP_VLAN_MAC_CHK_DONE;
if (list_empty(&obj->head))
/* add vlan0 */
vfop->rc = bnx2x_vfop_config_vlan0(bp, vlan_mac, true);
bnx2x_vfop_finalize(vf, vfop->rc, VFOP_DONE);
default:
@ -2819,6 +2786,18 @@ int bnx2x_vf_init(struct bnx2x *bp, struct bnx2x_virtf *vf, dma_addr_t *sb_map)
return 0;
}
struct set_vf_state_cookie {
struct bnx2x_virtf *vf;
u8 state;
};
void bnx2x_set_vf_state(void *cookie)
{
struct set_vf_state_cookie *p = (struct set_vf_state_cookie *)cookie;
p->vf->state = p->state;
}
/* VFOP close (teardown the queues, delete mcasts and close HW) */
static void bnx2x_vfop_close(struct bnx2x *bp, struct bnx2x_virtf *vf)
{
@ -2869,7 +2848,19 @@ static void bnx2x_vfop_close(struct bnx2x *bp, struct bnx2x_virtf *vf)
op_err:
BNX2X_ERR("VF[%d] CLOSE error: rc %d\n", vf->abs_vfid, vfop->rc);
op_done:
vf->state = VF_ACQUIRED;
/* need to make sure there are no outstanding stats ramrods which may
* cause the device to access the VF's stats buffer which it will free
* as soon as we return from the close flow.
*/
{
struct set_vf_state_cookie cookie;
cookie.vf = vf;
cookie.state = VF_ACQUIRED;
bnx2x_stats_safe_exec(bp, bnx2x_set_vf_state, &cookie);
}
DP(BNX2X_MSG_IOV, "set state to acquired\n");
bnx2x_vfop_end(bp, vf, vfop);
}

31
drivers/net/ethernet/broadcom/bnx2x/bnx2x_stats.c
View File

@ -522,20 +522,16 @@ static void bnx2x_func_stats_init(struct bnx2x *bp)
/* should be called under stats_sema */
static void __bnx2x_stats_start(struct bnx2x *bp)
{
/* vfs travel through here as part of the statistics FSM, but no action
* is required
*/
if (IS_VF(bp))
return;
if (IS_PF(bp)) {
if (bp->port.pmf)
bnx2x_port_stats_init(bp);
if (bp->port.pmf)
bnx2x_port_stats_init(bp);
else if (bp->func_stx)
bnx2x_func_stats_init(bp);
else if (bp->func_stx)
bnx2x_func_stats_init(bp);
bnx2x_hw_stats_post(bp);
bnx2x_storm_stats_post(bp);
bnx2x_hw_stats_post(bp);
bnx2x_storm_stats_post(bp);
}
bp->stats_started = true;
}
@ -1997,3 +1993,14 @@ void bnx2x_afex_collect_stats(struct bnx2x *bp, void *void_afex_stats,
estats->mac_discard);
}
}
void bnx2x_stats_safe_exec(struct bnx2x *bp,
void (func_to_exec)(void *cookie),
void *cookie){
if (down_timeout(&bp->stats_sema, HZ/10))
BNX2X_ERR("Unable to acquire stats lock\n");
bnx2x_stats_comp(bp);
func_to_exec(cookie);
__bnx2x_stats_start(bp);
up(&bp->stats_sema);
}

3
drivers/net/ethernet/broadcom/bnx2x/bnx2x_stats.h
View File

@ -539,6 +539,9 @@ struct bnx2x;
void bnx2x_memset_stats(struct bnx2x *bp);
void bnx2x_stats_init(struct bnx2x *bp);
void bnx2x_stats_handle(struct bnx2x *bp, enum bnx2x_stats_event event);
void bnx2x_stats_safe_exec(struct bnx2x *bp,
void (func_to_exec)(void *cookie),
void *cookie);
/**
* bnx2x_save_statistics - save statistics when unloading.

4
drivers/net/ethernet/emulex/benet/be_main.c
View File

@ -4373,6 +4373,10 @@ static int be_resume(struct pci_dev *pdev)
pci_set_power_state(pdev, PCI_D0);
pci_restore_state(pdev);
status = be_fw_wait_ready(adapter);
if (status)
return status;
/* tell fw we're ready to fire cmds */
status = be_cmd_fw_init(adapter);
if (status)

3
drivers/net/ethernet/freescale/fec_main.c
View File

@ -971,8 +971,7 @@ fec_enet_rx(struct net_device *ndev, int budget)
htons(ETH_P_8021Q),
vlan_tag);
if (!skb_defer_rx_timestamp(skb))
napi_gro_receive(&fep->napi, skb);
napi_gro_receive(&fep->napi, skb);
}
bdp->cbd_bufaddr = dma_map_single(&fep->pdev->dev, data,

2
drivers/net/ethernet/jme.c
View File

@ -3069,7 +3069,7 @@ jme_init_one(struct pci_dev *pdev,
jwrite32(jme, JME_APMC, apmc);
}
NETIF_NAPI_SET(netdev, &jme->napi, jme_poll, jme->rx_ring_size >> 2)
NETIF_NAPI_SET(netdev, &jme->napi, jme_poll, NAPI_POLL_WEIGHT)
spin_lock_init(&jme->phy_lock);
spin_lock_init(&jme->macaddr_lock);

1
drivers/net/ethernet/qlogic/netxen/netxen_nic.h
View File

@ -1171,7 +1171,6 @@ typedef struct {
#define NETXEN_DB_MAPSIZE_BYTES 0x1000
#define NETXEN_NETDEV_WEIGHT 128
#define NETXEN_ADAPTER_UP_MAGIC 777
#define NETXEN_NIC_PEG_TUNE 0

2
drivers/net/ethernet/qlogic/netxen/netxen_nic_main.c
View File

@ -197,7 +197,7 @@ netxen_napi_add(struct netxen_adapter *adapter, struct net_device *netdev)
for (ring = 0; ring < adapter->max_sds_rings; ring++) {
sds_ring = &recv_ctx->sds_rings[ring];
netif_napi_add(netdev, &sds_ring->napi,
netxen_nic_poll, NETXEN_NETDEV_WEIGHT);
netxen_nic_poll, NAPI_POLL_WEIGHT);
}
return 0;

20
drivers/net/ethernet/stmicro/stmmac/stmmac_platform.c
View File

@ -71,14 +71,18 @@ static int stmmac_probe_config_dt(struct platform_device *pdev,
plat->force_sf_dma_mode = 1;
}
dma_cfg = devm_kzalloc(&pdev->dev, sizeof(*dma_cfg), GFP_KERNEL);
if (!dma_cfg)
return -ENOMEM;
plat->dma_cfg = dma_cfg;
of_property_read_u32(np, "snps,pbl", &dma_cfg->pbl);
dma_cfg->fixed_burst = of_property_read_bool(np, "snps,fixed-burst");
dma_cfg->mixed_burst = of_property_read_bool(np, "snps,mixed-burst");
if (of_find_property(np, "snps,pbl", NULL)) {
dma_cfg = devm_kzalloc(&pdev->dev, sizeof(*dma_cfg),
GFP_KERNEL);
if (!dma_cfg)
return -ENOMEM;
plat->dma_cfg = dma_cfg;
of_property_read_u32(np, "snps,pbl", &dma_cfg->pbl);
dma_cfg->fixed_burst =
of_property_read_bool(np, "snps,fixed-burst");
dma_cfg->mixed_burst =
of_property_read_bool(np, "snps,mixed-burst");
}
return 0;
}

3
drivers/net/ethernet/toshiba/ps3_gelic_net.c
View File

@ -1466,8 +1466,7 @@ static void gelic_ether_setup_netdev_ops(struct net_device *netdev,
{
netdev->watchdog_timeo = GELIC_NET_WATCHDOG_TIMEOUT;
/* NAPI */
netif_napi_add(netdev, napi,
gelic_net_poll, GELIC_NET_NAPI_WEIGHT);
netif_napi_add(netdev, napi, gelic_net_poll, NAPI_POLL_WEIGHT);
netdev->ethtool_ops = &gelic_ether_ethtool_ops;
netdev->netdev_ops = &gelic_netdevice_ops;
}

1
drivers/net/ethernet/toshiba/ps3_gelic_net.h
View File

@ -37,7 +37,6 @@
#define GELIC_NET_RXBUF_ALIGN 128
#define GELIC_CARD_RX_CSUM_DEFAULT 1 /* hw chksum */
#define GELIC_NET_WATCHDOG_TIMEOUT 5*HZ
#define GELIC_NET_NAPI_WEIGHT (GELIC_NET_RX_DESCRIPTORS)
#define GELIC_NET_BROADCAST_ADDR 0xffffffffffffL
#define GELIC_NET_MC_COUNT_MAX 32 /* multicast address list */

1
drivers/net/ethernet/xilinx/xilinx_axienet_mdio.c
View File

@ -175,6 +175,7 @@ int axienet_mdio_setup(struct axienet_local *lp, struct device_node *np)
printk(KERN_WARNING "Setting MDIO clock divisor to "
"default %d\n", DEFAULT_CLOCK_DIVISOR);
clk_div = DEFAULT_CLOCK_DIVISOR;
of_node_put(np1);
goto issue;
}

4
drivers/net/usb/cdc_mbim.c
View File

@ -400,6 +400,10 @@ static const struct usb_device_id mbim_devs[] = {
{ USB_DEVICE_AND_INTERFACE_INFO(0x1199, 0x68a2, USB_CLASS_COMM, USB_CDC_SUBCLASS_MBIM, USB_CDC_PROTO_NONE),
.driver_info = (unsigned long)&cdc_mbim_info_zlp,
},
/* HP hs2434 Mobile Broadband Module needs ZLPs */
{ USB_DEVICE_AND_INTERFACE_INFO(0x3f0, 0x4b1d, USB_CLASS_COMM, USB_CDC_SUBCLASS_MBIM, USB_CDC_PROTO_NONE),
.driver_info = (unsigned long)&cdc_mbim_info_zlp,
},
{ USB_INTERFACE_INFO(USB_CLASS_COMM, USB_CDC_SUBCLASS_MBIM, USB_CDC_PROTO_NONE),
.driver_info = (unsigned long)&cdc_mbim_info,
},

10
drivers/net/wireless/ath/ath9k/htc_drv_txrx.c
View File

@ -448,6 +448,7 @@ static void ath9k_htc_tx_process(struct ath9k_htc_priv *priv,
struct ieee80211_conf *cur_conf = &priv->hw->conf;
bool txok;
int slot;
int hdrlen, padsize;
slot = strip_drv_header(priv, skb);
if (slot < 0) {
@ -504,6 +505,15 @@ send_mac80211:
ath9k_htc_tx_clear_slot(priv, slot);
/* Remove padding before handing frame back to mac80211 */
hdrlen = ieee80211_get_hdrlen_from_skb(skb);
padsize = hdrlen & 3;
if (padsize && skb->len > hdrlen + padsize) {
memmove(skb->data + padsize, skb->data, hdrlen);
skb_pull(skb, padsize);
}
/* Send status to mac80211 */
ieee80211_tx_status(priv->hw, skb);
}

3
drivers/net/wireless/ath/ath9k/init.c
View File

@ -802,7 +802,8 @@ void ath9k_set_hw_capab(struct ath_softc *sc, struct ieee80211_hw *hw)
IEEE80211_HW_PS_NULLFUNC_STACK |
IEEE80211_HW_SPECTRUM_MGMT |
IEEE80211_HW_REPORTS_TX_ACK_STATUS |
IEEE80211_HW_SUPPORTS_RC_TABLE;
IEEE80211_HW_SUPPORTS_RC_TABLE |
IEEE80211_HW_SUPPORTS_HT_CCK_RATES;
if (sc->sc_ah->caps.hw_caps & ATH9K_HW_CAP_HT) {
hw->flags |= IEEE80211_HW_AMPDU_AGGREGATION;

3
drivers/net/wireless/ath/ath9k/main.c
View File

@ -173,8 +173,7 @@ static void ath_restart_work(struct ath_softc *sc)
{
ieee80211_queue_delayed_work(sc->hw, &sc->tx_complete_work, 0);
if (AR_SREV_9340(sc->sc_ah) || AR_SREV_9485(sc->sc_ah) ||
AR_SREV_9550(sc->sc_ah))
if (AR_SREV_9340(sc->sc_ah) || AR_SREV_9330(sc->sc_ah))
ieee80211_queue_delayed_work(sc->hw, &sc->hw_pll_work,
msecs_to_jiffies(ATH_PLL_WORK_INTERVAL));

3
drivers/net/wireless/ath/carl9170/main.c
View File

@ -1860,7 +1860,8 @@ void *carl9170_alloc(size_t priv_size)
IEEE80211_HW_PS_NULLFUNC_STACK |
IEEE80211_HW_NEED_DTIM_BEFORE_ASSOC |
IEEE80211_HW_SUPPORTS_RC_TABLE |
IEEE80211_HW_SIGNAL_DBM;
IEEE80211_HW_SIGNAL_DBM |
IEEE80211_HW_SUPPORTS_HT_CCK_RATES;
if (!modparam_noht) {
/*

2
drivers/net/wireless/iwlegacy/4965-mac.c
View File

@ -4464,9 +4464,9 @@ il4965_irq_tasklet(struct il_priv *il)
set_bit(S_RFKILL, &il->status);
} else {
clear_bit(S_RFKILL, &il->status);
wiphy_rfkill_set_hw_state(il->hw->wiphy, hw_rf_kill);
il_force_reset(il, true);
}
wiphy_rfkill_set_hw_state(il->hw->wiphy, hw_rf_kill);
handled |= CSR_INT_BIT_RF_KILL;
}

3
drivers/net/wireless/rt2x00/rt2800lib.c
View File

@ -6133,7 +6133,8 @@ static int rt2800_probe_hw_mode(struct rt2x00_dev *rt2x00dev)
IEEE80211_HW_SUPPORTS_PS |
IEEE80211_HW_PS_NULLFUNC_STACK |
IEEE80211_HW_AMPDU_AGGREGATION |
IEEE80211_HW_REPORTS_TX_ACK_STATUS;
IEEE80211_HW_REPORTS_TX_ACK_STATUS |
IEEE80211_HW_SUPPORTS_HT_CCK_RATES;
/*
* Don't set IEEE80211_HW_HOST_BROADCAST_PS_BUFFERING for USB devices

4
drivers/scsi/pm8001/pm8001_hwi.c
View File

@ -221,7 +221,7 @@ static void init_default_table_values(struct pm8001_hba_info *pm8001_ha)
pm8001_ha->main_cfg_tbl.pm8001_tbl.fatal_err_interrupt = 0x01;
for (i = 0; i < PM8001_MAX_INB_NUM; i++) {
pm8001_ha->inbnd_q_tbl[i].element_pri_size_cnt =
PM8001_MPI_QUEUE | (64 << 16) | (0x00<<30);
PM8001_MPI_QUEUE | (pm8001_ha->iomb_size << 16) | (0x00<<30);
pm8001_ha->inbnd_q_tbl[i].upper_base_addr =
pm8001_ha->memoryMap.region[IB + i].phys_addr_hi;
pm8001_ha->inbnd_q_tbl[i].lower_base_addr =
@ -247,7 +247,7 @@ static void init_default_table_values(struct pm8001_hba_info *pm8001_ha)
}
for (i = 0; i < PM8001_MAX_OUTB_NUM; i++) {
pm8001_ha->outbnd_q_tbl[i].element_size_cnt =
PM8001_MPI_QUEUE | (64 << 16) | (0x01<<30);
PM8001_MPI_QUEUE | (pm8001_ha->iomb_size << 16) | (0x01<<30);
pm8001_ha->outbnd_q_tbl[i].upper_base_addr =
pm8001_ha->memoryMap.region[OB + i].phys_addr_hi;
pm8001_ha->outbnd_q_tbl[i].lower_base_addr =

4
drivers/scsi/pm8001/pm80xx_hwi.c
View File

@ -275,7 +275,7 @@ static void init_default_table_values(struct pm8001_hba_info *pm8001_ha)
for (i = 0; i < PM8001_MAX_SPCV_INB_NUM; i++) {
pm8001_ha->inbnd_q_tbl[i].element_pri_size_cnt =
PM8001_MPI_QUEUE | (64 << 16) | (0x00<<30);
PM8001_MPI_QUEUE | (pm8001_ha->iomb_size << 16) | (0x00<<30);
pm8001_ha->inbnd_q_tbl[i].upper_base_addr =
pm8001_ha->memoryMap.region[IB + i].phys_addr_hi;
pm8001_ha->inbnd_q_tbl[i].lower_base_addr =
@ -301,7 +301,7 @@ static void init_default_table_values(struct pm8001_hba_info *pm8001_ha)
}
for (i = 0; i < PM8001_MAX_SPCV_OUTB_NUM; i++) {
pm8001_ha->outbnd_q_tbl[i].element_size_cnt =
PM8001_MPI_QUEUE | (64 << 16) | (0x01<<30);
PM8001_MPI_QUEUE | (pm8001_ha->iomb_size << 16) | (0x01<<30);
pm8001_ha->outbnd_q_tbl[i].upper_base_addr =
pm8001_ha->memoryMap.region[OB + i].phys_addr_hi;
pm8001_ha->outbnd_q_tbl[i].lower_base_addr =

4
drivers/tty/hvc/hvsi_lib.c
View File

@ -341,8 +341,8 @@ void hvsilib_establish(struct hvsi_priv *pv)
pr_devel("HVSI@%x: ... waiting handshake\n", pv->termno);
/* Try for up to 200s */
for (timeout = 0; timeout < 20; timeout++) {
/* Try for up to 400ms */
for (timeout = 0; timeout < 40; timeout++) {
if (pv->established)
goto established;
if (!hvsi_get_packet(pv))

2
drivers/usb/host/ohci-pci.c
View File

@ -305,9 +305,11 @@ static int __init ohci_pci_init(void)
ohci_init_driver(&ohci_pci_hc_driver, &pci_overrides);
#ifdef CONFIG_PM
/* Entries for the PCI suspend/resume callbacks are special */
ohci_pci_hc_driver.pci_suspend = ohci_suspend;
ohci_pci_hc_driver.pci_resume = ohci_resume;
#endif
return pci_register_driver(&ohci_pci_driver);
}

57
fs/dcache.c
View File

@ -229,7 +229,7 @@ static void __d_free(struct rcu_head *head)
*/
static void d_free(struct dentry *dentry)
{
BUG_ON(dentry->d_count);
BUG_ON(dentry->d_lockref.count);
this_cpu_dec(nr_dentry);
if (dentry->d_op && dentry->d_op->d_release)
dentry->d_op->d_release(dentry);
@ -467,7 +467,7 @@ relock:
}
if (ref)
dentry->d_count--;
dentry->d_lockref.count--;
/*
* inform the fs via d_prune that this dentry is about to be
* unhashed and destroyed.
@ -513,15 +513,10 @@ void dput(struct dentry *dentry)
return;
repeat:
if (dentry->d_count == 1)
if (dentry->d_lockref.count == 1)
might_sleep();
spin_lock(&dentry->d_lock);
BUG_ON(!dentry->d_count);
if (dentry->d_count > 1) {
dentry->d_count--;
spin_unlock(&dentry->d_lock);
if (lockref_put_or_lock(&dentry->d_lockref))
return;
}
if (dentry->d_flags & DCACHE_OP_DELETE) {
if (dentry->d_op->d_delete(dentry))
@ -535,7 +530,7 @@ repeat:
dentry->d_flags |= DCACHE_REFERENCED;
dentry_lru_add(dentry);
dentry->d_count--;
dentry->d_lockref.count--;
spin_unlock(&dentry->d_lock);
return;
@ -590,7 +585,7 @@ int d_invalidate(struct dentry * dentry)
* We also need to leave mountpoints alone,
* directory or not.
*/
if (dentry->d_count > 1 && dentry->d_inode) {
if (dentry->d_lockref.count > 1 && dentry->d_inode) {
if (S_ISDIR(dentry->d_inode->i_mode) || d_mountpoint(dentry)) {
spin_unlock(&dentry->d_lock);
return -EBUSY;
@ -606,14 +601,12 @@ EXPORT_SYMBOL(d_invalidate);
/* This must be called with d_lock held */
static inline void __dget_dlock(struct dentry *dentry)
{
dentry->d_count++;
dentry->d_lockref.count++;
}
static inline void __dget(struct dentry *dentry)
{
spin_lock(&dentry->d_lock);
__dget_dlock(dentry);
spin_unlock(&dentry->d_lock);
lockref_get(&dentry->d_lockref);
}
struct dentry *dget_parent(struct dentry *dentry)
@ -634,8 +627,8 @@ repeat:
goto repeat;
}
rcu_read_unlock();
BUG_ON(!ret->d_count);
ret->d_count++;
BUG_ON(!ret->d_lockref.count);
ret->d_lockref.count++;
spin_unlock(&ret->d_lock);
return ret;
}
@ -718,7 +711,7 @@ restart:
spin_lock(&inode->i_lock);
hlist_for_each_entry(dentry, &inode->i_dentry, d_alias) {
spin_lock(&dentry->d_lock);
if (!dentry->d_count) {
if (!dentry->d_lockref.count) {
__dget_dlock(dentry);
__d_drop(dentry);
spin_unlock(&dentry->d_lock);
@ -763,12 +756,8 @@ static void try_prune_one_dentry(struct dentry *dentry)
/* Prune ancestors. */
dentry = parent;
while (dentry) {
spin_lock(&dentry->d_lock);
if (dentry->d_count > 1) {
dentry->d_count--;
spin_unlock(&dentry->d_lock);
if (lockref_put_or_lock(&dentry->d_lockref))
return;
}
dentry = dentry_kill(dentry, 1);
}
}
@ -793,7 +782,7 @@ static void shrink_dentry_list(struct list_head *list)
* the LRU because of laziness during lookup. Do not free
* it - just keep it off the LRU list.
*/
if (dentry->d_count) {
if (dentry->d_lockref.count) {
dentry_lru_del(dentry);
spin_unlock(&dentry->d_lock);
continue;
@ -913,7 +902,7 @@ static void shrink_dcache_for_umount_subtree(struct dentry *dentry)
dentry_lru_del(dentry);
__d_shrink(dentry);
if (dentry->d_count != 0) {
if (dentry->d_lockref.count != 0) {
printk(KERN_ERR
"BUG: Dentry %p{i=%lx,n=%s}"
" still in use (%d)"
@ -922,7 +911,7 @@ static void shrink_dcache_for_umount_subtree(struct dentry *dentry)
dentry->d_inode ?
dentry->d_inode->i_ino : 0UL,
dentry->d_name.name,
dentry->d_count,
dentry->d_lockref.count,
dentry->d_sb->s_type->name,
dentry->d_sb->s_id);
BUG();
@ -933,7 +922,7 @@ static void shrink_dcache_for_umount_subtree(struct dentry *dentry)
list_del(&dentry->d_u.d_child);
} else {
parent = dentry->d_parent;
parent->d_count--;
parent->d_lockref.count--;
list_del(&dentry->d_u.d_child);
}
@ -981,7 +970,7 @@ void shrink_dcache_for_umount(struct super_block *sb)
dentry = sb->s_root;
sb->s_root = NULL;
dentry->d_count--;
dentry->d_lockref.count--;
shrink_dcache_for_umount_subtree(dentry);
while (!hlist_bl_empty(&sb->s_anon)) {
@ -1147,7 +1136,7 @@ resume:
* loop in shrink_dcache_parent() might not make any progress
* and loop forever.
*/
if (dentry->d_count) {
if (dentry->d_lockref.count) {
dentry_lru_del(dentry);
} else if (!(dentry->d_flags & DCACHE_SHRINK_LIST)) {
dentry_lru_move_list(dentry, dispose);
@ -1269,7 +1258,7 @@ struct dentry *__d_alloc(struct super_block *sb, const struct qstr *name)
smp_wmb();
dentry->d_name.name = dname;
dentry->d_count = 1;
dentry->d_lockref.count = 1;
dentry->d_flags = 0;
spin_lock_init(&dentry->d_lock);
seqcount_init(&dentry->d_seq);
@ -1970,7 +1959,7 @@ struct dentry *__d_lookup(const struct dentry *parent, const struct qstr *name)
goto next;
}
dentry->d_count++;
dentry->d_lockref.count++;
found = dentry;
spin_unlock(&dentry->d_lock);
break;
@ -2069,7 +2058,7 @@ again:
spin_lock(&dentry->d_lock);
inode = dentry->d_inode;
isdir = S_ISDIR(inode->i_mode);
if (dentry->d_count == 1) {
if (dentry->d_lockref.count == 1) {
if (!spin_trylock(&inode->i_lock)) {
spin_unlock(&dentry->d_lock);
cpu_relax();
@ -2948,7 +2937,7 @@ resume:
}
if (!(dentry->d_flags & DCACHE_GENOCIDE)) {
dentry->d_flags |= DCACHE_GENOCIDE;
dentry->d_count--;
dentry->d_lockref.count--;
}
spin_unlock(&dentry->d_lock);
}
@ -2956,7 +2945,7 @@ resume:
struct dentry *child = this_parent;
if (!(this_parent->d_flags & DCACHE_GENOCIDE)) {
this_parent->d_flags |= DCACHE_GENOCIDE;
this_parent->d_count--;
this_parent->d_lockref.count--;
}
this_parent = try_to_ascend(this_parent, locked, seq);
if (!this_parent)

31
fs/jfs/jfs_dtree.c
View File

@ -3047,6 +3047,14 @@ int jfs_readdir(struct file *file, struct dir_context *ctx)
dir_index = (u32) ctx->pos;
/*
* NFSv4 reserves cookies 1 and 2 for . and .. so the value
* we return to the vfs is one greater than the one we use
* internally.
*/
if (dir_index)
dir_index--;
if (dir_index > 1) {
struct dir_table_slot dirtab_slot;
@ -3086,7 +3094,7 @@ int jfs_readdir(struct file *file, struct dir_context *ctx)
if (p->header.flag & BT_INTERNAL) {
jfs_err("jfs_readdir: bad index table");
DT_PUTPAGE(mp);
ctx->pos = -1;
ctx->pos = DIREND;
return 0;
}
} else {
@ -3094,14 +3102,14 @@ int jfs_readdir(struct file *file, struct dir_context *ctx)
/*
* self "."
*/
ctx->pos = 0;
ctx->pos = 1;
if (!dir_emit(ctx, ".", 1, ip->i_ino, DT_DIR))
return 0;
}
/*
* parent ".."
*/
ctx->pos = 1;
ctx->pos = 2;
if (!dir_emit(ctx, "..", 2, PARENT(ip), DT_DIR))
return 0;
@ -3122,22 +3130,23 @@ int jfs_readdir(struct file *file, struct dir_context *ctx)
/*
* Legacy filesystem - OS/2 & Linux JFS < 0.3.6
*
* pn = index = 0: First entry "."
* pn = 0; index = 1: Second entry ".."
* pn = 0; index = 1: First entry "."
* pn = 0; index = 2: Second entry ".."
* pn > 0: Real entries, pn=1 -> leftmost page
* pn = index = -1: No more entries
*/
dtpos = ctx->pos;
if (dtpos == 0) {
if (dtpos < 2) {
/* build "." entry */
ctx->pos = 1;
if (!dir_emit(ctx, ".", 1, ip->i_ino, DT_DIR))
return 0;
dtoffset->index = 1;
dtoffset->index = 2;
ctx->pos = dtpos;
}
if (dtoffset->pn == 0) {
if (dtoffset->index == 1) {
if (dtoffset->index == 2) {
/* build ".." entry */
if (!dir_emit(ctx, "..", 2, PARENT(ip), DT_DIR))
return 0;
@ -3228,6 +3237,12 @@ int jfs_readdir(struct file *file, struct dir_context *ctx)
}
jfs_dirent->position = unique_pos++;
}
/*
* We add 1 to the index because we may
* use a value of 2 internally, and NFSv4
* doesn't like that.
*/
jfs_dirent->position++;
} else {
jfs_dirent->position = dtpos;
len = min(d_namleft, DTLHDRDATALEN_LEGACY);

16
fs/namei.c
View File

@ -536,8 +536,8 @@ static int unlazy_walk(struct nameidata *nd, struct dentry *dentry)
* a reference at this point.
*/
BUG_ON(!IS_ROOT(dentry) && dentry->d_parent != parent);
BUG_ON(!parent->d_count);
parent->d_count++;
BUG_ON(!parent->d_lockref.count);
parent->d_lockref.count++;
spin_unlock(&dentry->d_lock);
}
spin_unlock(&parent->d_lock);
@ -3327,7 +3327,7 @@ void dentry_unhash(struct dentry *dentry)
{
shrink_dcache_parent(dentry);
spin_lock(&dentry->d_lock);
if (dentry->d_count == 1)
if (dentry->d_lockref.count == 1)
__d_drop(dentry);
spin_unlock(&dentry->d_lock);
}
@ -3671,11 +3671,15 @@ SYSCALL_DEFINE5(linkat, int, olddfd, const char __user *, oldname,
if ((flags & ~(AT_SYMLINK_FOLLOW | AT_EMPTY_PATH)) != 0)
return -EINVAL;
/*
* Using empty names is equivalent to using AT_SYMLINK_FOLLOW
* on /proc/self/fd/<fd>.
* To use null names we require CAP_DAC_READ_SEARCH
* This ensures that not everyone will be able to create
* handlink using the passed filedescriptor.
*/
if (flags & AT_EMPTY_PATH)
if (flags & AT_EMPTY_PATH) {
if (!capable(CAP_DAC_READ_SEARCH))
return -ENOENT;
how = LOOKUP_EMPTY;
}
if (flags & AT_SYMLINK_FOLLOW)
how |= LOOKUP_FOLLOW;

2
fs/ocfs2/super.c
View File

@ -1022,7 +1022,7 @@ static int ocfs2_fill_super(struct super_block *sb, void *data, int silent)
struct inode *inode = NULL;
struct ocfs2_super *osb = NULL;
struct buffer_head *bh = NULL;
char nodestr[8];
char nodestr[12];
struct ocfs2_blockcheck_stats stats;
trace_ocfs2_fill_super(sb, data, silent);

19
include/linux/dcache.h
View File

@ -9,6 +9,7 @@
#include <linux/seqlock.h>
#include <linux/cache.h>
#include <linux/rcupdate.h>
#include <linux/lockref.h>
struct nameidata;
struct path;
@ -100,6 +101,8 @@ extern unsigned int full_name_hash(const unsigned char *, unsigned int);
# endif
#endif
#define d_lock d_lockref.lock
struct dentry {
/* RCU lookup touched fields */
unsigned int d_flags; /* protected by d_lock */
@ -112,8 +115,7 @@ struct dentry {
unsigned char d_iname[DNAME_INLINE_LEN]; /* small names */
/* Ref lookup also touches following */
unsigned int d_count; /* protected by d_lock */
spinlock_t d_lock; /* per dentry lock */
struct lockref d_lockref; /* per-dentry lock and refcount */
const struct dentry_operations *d_op;
struct super_block *d_sb; /* The root of the dentry tree */
unsigned long d_time; /* used by d_revalidate */
@ -318,7 +320,7 @@ static inline int __d_rcu_to_refcount(struct dentry *dentry, unsigned seq)
assert_spin_locked(&dentry->d_lock);
if (!read_seqcount_retry(&dentry->d_seq, seq)) {
ret = 1;
dentry->d_count++;
dentry->d_lockref.count++;
}
return ret;
@ -326,7 +328,7 @@ static inline int __d_rcu_to_refcount(struct dentry *dentry, unsigned seq)
static inline unsigned d_count(const struct dentry *dentry)
{
return dentry->d_count;
return dentry->d_lockref.count;
}
/* validate "insecure" dentry pointer */
@ -357,17 +359,14 @@ extern char *dentry_path(struct dentry *, char *, int);
static inline struct dentry *dget_dlock(struct dentry *dentry)
{
if (dentry)
dentry->d_count++;
dentry->d_lockref.count++;
return dentry;
}
static inline struct dentry *dget(struct dentry *dentry)
{
if (dentry) {
spin_lock(&dentry->d_lock);
dget_dlock(dentry);
spin_unlock(&dentry->d_lock);
}
if (dentry)
lockref_get(&dentry->d_lockref);
return dentry;
}

71
include/linux/lockref.h Normal file
View File

@ -0,0 +1,71 @@
#ifndef __LINUX_LOCKREF_H
#define __LINUX_LOCKREF_H
/*
* Locked reference counts.
*
* These are different from just plain atomic refcounts in that they
* are atomic with respect to the spinlock that goes with them. In
* particular, there can be implementations that don't actually get
* the spinlock for the common decrement/increment operations, but they
* still have to check that the operation is done semantically as if
* the spinlock had been taken (using a cmpxchg operation that covers
* both the lock and the count word, or using memory transactions, for
* example).
*/
#include <linux/spinlock.h>
struct lockref {
spinlock_t lock;
unsigned int count;
};
/**
* lockref_get - Increments reference count unconditionally
* @lockcnt: pointer to lockref structure
*
* This operation is only valid if you already hold a reference
* to the object, so you know the count cannot be zero.
*/
static inline void lockref_get(struct lockref *lockref)
{
spin_lock(&lockref->lock);
lockref->count++;
spin_unlock(&lockref->lock);
}
/**
* lockref_get_not_zero - Increments count unless the count is 0
* @lockcnt: pointer to lockref structure
* Return: 1 if count updated successfully or 0 if count is 0
*/
static inline int lockref_get_not_zero(struct lockref *lockref)
{
int retval = 0;
spin_lock(&lockref->lock);
if (lockref->count) {
lockref->count++;
retval = 1;
}
spin_unlock(&lockref->lock);
return retval;
}
/**
* lockref_put_or_lock - decrements count unless count <= 1 before decrement
* @lockcnt: pointer to lockref structure
* Return: 1 if count updated successfully or 0 if count <= 1 and lock taken
*/
static inline int lockref_put_or_lock(struct lockref *lockref)
{
spin_lock(&lockref->lock);
if (lockref->count <= 1)
return 0;
lockref->count--;
spin_unlock(&lockref->lock);
return 1;
}
#endif /* __LINUX_LOCKREF_H */

6
include/linux/nsproxy.h
View File

@ -14,6 +14,10 @@ struct fs_struct;
* A structure to contain pointers to all per-process
* namespaces - fs (mount), uts, network, sysvipc, etc.
*
* The pid namespace is an exception -- it's accessed using
* task_active_pid_ns. The pid namespace here is the
* namespace that children will use.
*
* 'count' is the number of tasks holding a reference.
* The count for each namespace, then, will be the number
* of nsproxies pointing to it, not the number of tasks.
@ -27,7 +31,7 @@ struct nsproxy {
struct uts_namespace *uts_ns;
struct ipc_namespace *ipc_ns;
struct mnt_namespace *mnt_ns;
struct pid_namespace *pid_ns;
struct pid_namespace *pid_ns_for_children;
struct net *net_ns;
};
extern struct nsproxy init_nsproxy;

1
include/linux/regmap.h
View File

@ -16,6 +16,7 @@
#include <linux/list.h>
#include <linux/rbtree.h>
#include <linux/err.h>
#include <linux/bug.h>
struct module;
struct device;

1
include/net/busy_poll.h
View File

@ -123,6 +123,7 @@ static inline bool sk_busy_loop(struct sock *sk, int nonblock)
/* local bh are disabled so it is ok to use _BH */
NET_ADD_STATS_BH(sock_net(sk),
LINUX_MIB_BUSYPOLLRXPACKETS, rc);
cpu_relax();
} while (!nonblock && skb_queue_empty(&sk->sk_receive_queue) &&
!need_resched() && !busy_loop_timeout(end_time));

20
include/net/genetlink.h
View File

@ -61,6 +61,7 @@ struct genl_family {
struct list_head ops_list; /* private */
struct list_head family_list; /* private */
struct list_head mcast_groups; /* private */
struct module *module;
};
/**
@ -121,9 +122,24 @@ struct genl_ops {
struct list_head ops_list;
};
extern int genl_register_family(struct genl_family *family);
extern int genl_register_family_with_ops(struct genl_family *family,
extern int __genl_register_family(struct genl_family *family);
static inline int genl_register_family(struct genl_family *family)
{
family->module = THIS_MODULE;
return __genl_register_family(family);
}
extern int __genl_register_family_with_ops(struct genl_family *family,
struct genl_ops *ops, size_t n_ops);
static inline int genl_register_family_with_ops(struct genl_family *family,
struct genl_ops *ops, size_t n_ops)
{
family->module = THIS_MODULE;
return __genl_register_family_with_ops(family, ops, n_ops);
}
extern int genl_unregister_family(struct genl_family *family);
extern int genl_register_ops(struct genl_family *, struct genl_ops *ops);
extern int genl_unregister_ops(struct genl_family *, struct genl_ops *ops);

1
include/net/mac80211.h
View File

@ -1499,6 +1499,7 @@ enum ieee80211_hw_flags {
IEEE80211_HW_SUPPORTS_RC_TABLE = 1<<24,
IEEE80211_HW_P2P_DEV_ADDR_FOR_INTF = 1<<25,
IEEE80211_HW_TIMING_BEACON_ONLY = 1<<26,
IEEE80211_HW_SUPPORTS_HT_CCK_RATES = 1<<27,
};
/**

8
include/net/route.h
View File

@ -317,4 +317,12 @@ static inline int ip4_dst_hoplimit(const struct dst_entry *dst)
return hoplimit;
}
static inline int ip_skb_dst_mtu(struct sk_buff *skb)
{
struct inet_sock *inet = skb->sk ? inet_sk(skb->sk) : NULL;
return (inet && inet->pmtudisc == IP_PMTUDISC_PROBE) ?
skb_dst(skb)->dev->mtu : dst_mtu(skb_dst(skb));
}
#endif /* _ROUTE_H */

6
include/net/xfrm.h
View File

@ -341,10 +341,13 @@ struct xfrm_state_afinfo {
struct sk_buff *skb);
int (*transport_finish)(struct sk_buff *skb,
int async);
void (*local_error)(struct sk_buff *skb, u32 mtu);
};
extern int xfrm_state_register_afinfo(struct xfrm_state_afinfo *afinfo);
extern int xfrm_state_unregister_afinfo(struct xfrm_state_afinfo *afinfo);
extern struct xfrm_state_afinfo *xfrm_state_get_afinfo(unsigned int family);
extern void xfrm_state_put_afinfo(struct xfrm_state_afinfo *afinfo);
extern void xfrm_state_delete_tunnel(struct xfrm_state *x);
@ -1477,6 +1480,7 @@ extern int xfrm_input_resume(struct sk_buff *skb, int nexthdr);
extern int xfrm_output_resume(struct sk_buff *skb, int err);
extern int xfrm_output(struct sk_buff *skb);
extern int xfrm_inner_extract_output(struct xfrm_state *x, struct sk_buff *skb);
extern void xfrm_local_error(struct sk_buff *skb, int mtu);
extern int xfrm4_extract_header(struct sk_buff *skb);
extern int xfrm4_extract_input(struct xfrm_state *x, struct sk_buff *skb);
extern int xfrm4_rcv_encap(struct sk_buff *skb, int nexthdr, __be32 spi,
@ -1497,6 +1501,7 @@ extern int xfrm4_tunnel_register(struct xfrm_tunnel *handler, unsigned short fam
extern int xfrm4_tunnel_deregister(struct xfrm_tunnel *handler, unsigned short family);
extern int xfrm4_mode_tunnel_input_register(struct xfrm_tunnel *handler);
extern int xfrm4_mode_tunnel_input_deregister(struct xfrm_tunnel *handler);
extern void xfrm4_local_error(struct sk_buff *skb, u32 mtu);
extern int xfrm6_extract_header(struct sk_buff *skb);
extern int xfrm6_extract_input(struct xfrm_state *x, struct sk_buff *skb);
extern int xfrm6_rcv_spi(struct sk_buff *skb, int nexthdr, __be32 spi);
@ -1514,6 +1519,7 @@ extern int xfrm6_output(struct sk_buff *skb);
extern int xfrm6_output_finish(struct sk_buff *skb);
extern int xfrm6_find_1stfragopt(struct xfrm_state *x, struct sk_buff *skb,
u8 **prevhdr);
extern void xfrm6_local_error(struct sk_buff *skb, u32 mtu);
#ifdef CONFIG_XFRM
extern int xfrm4_udp_encap_rcv(struct sock *sk, struct sk_buff *skb);

1
include/uapi/linux/cm4000_cs.h
View File

@ -2,6 +2,7 @@
#define _UAPI_CM4000_H_
#include <linux/types.h>
#include <linux/ioctl.h>
#define MAX_ATR 33

5
ipc/msg.c
View File

@ -839,7 +839,7 @@ static inline void free_copy(struct msg_msg *copy)
static struct msg_msg *find_msg(struct msg_queue *msq, long *msgtyp, int mode)
{
struct msg_msg *msg;
struct msg_msg *msg, *found = NULL;
long count = 0;
list_for_each_entry(msg, &msq->q_messages, m_list) {
@ -848,6 +848,7 @@ static struct msg_msg *find_msg(struct msg_queue *msq, long *msgtyp, int mode)
*msgtyp, mode)) {
if (mode == SEARCH_LESSEQUAL && msg->m_type != 1) {
*msgtyp = msg->m_type - 1;
found = msg;
} else if (mode == SEARCH_NUMBER) {
if (*msgtyp == count)
return msg;
@ -857,7 +858,7 @@ static struct msg_msg *find_msg(struct msg_queue *msq, long *msgtyp, int mode)
}
}
return ERR_PTR(-EAGAIN);
return found ?: ERR_PTR(-EAGAIN);
}
long do_msgrcv(int msqid, void __user *buf, size_t bufsz, long msgtyp, int msgflg,

19
kernel/cgroup.c
View File

@ -4480,6 +4480,7 @@ static int cgroup_destroy_locked(struct cgroup *cgrp)
struct dentry *d = cgrp->dentry;
struct cgroup_event *event, *tmp;
struct cgroup_subsys *ss;
struct cgroup *child;
bool empty;
lockdep_assert_held(&d->d_inode->i_mutex);
@ -4490,11 +4491,27 @@ static int cgroup_destroy_locked(struct cgroup *cgrp)
* @cgrp from being removed while __put_css_set() is in progress.
*/
read_lock(&css_set_lock);
empty = list_empty(&cgrp->cset_links) && list_empty(&cgrp->children);
empty = list_empty(&cgrp->cset_links);
read_unlock(&css_set_lock);
if (!empty)
return -EBUSY;
/*
* Make sure there's no live children. We can't test ->children
* emptiness as dead children linger on it while being destroyed;
* otherwise, "rmdir parent/child parent" may fail with -EBUSY.
*/
empty = true;
rcu_read_lock();
list_for_each_entry_rcu(child, &cgrp->children, sibling) {
empty = cgroup_is_dead(child);
if (!empty)
break;
}
rcu_read_unlock();
if (!empty)
return -EBUSY;
/*
* Block new css_tryget() by killing css refcnts. cgroup core
* guarantees that, by the time ->css_offline() is invoked, no new

5
kernel/fork.c
View File

@ -1177,7 +1177,8 @@ static struct task_struct *copy_process(unsigned long clone_flags,
* don't allow the creation of threads.
*/
if ((clone_flags & (CLONE_VM|CLONE_NEWPID)) &&
(task_active_pid_ns(current) != current->nsproxy->pid_ns))
(task_active_pid_ns(current) !=
current->nsproxy->pid_ns_for_children))
return ERR_PTR(-EINVAL);
retval = security_task_create(clone_flags);
@ -1351,7 +1352,7 @@ static struct task_struct *copy_process(unsigned long clone_flags,
if (pid != &init_struct_pid) {
retval = -ENOMEM;
pid = alloc_pid(p->nsproxy->pid_ns);
pid = alloc_pid(p->nsproxy->pid_ns_for_children);
if (!pid)
goto bad_fork_cleanup_io;
}

27
kernel/nsproxy.c
View File

@ -29,15 +29,15 @@
static struct kmem_cache *nsproxy_cachep;
struct nsproxy init_nsproxy = {
.count = ATOMIC_INIT(1),
.uts_ns = &init_uts_ns,
.count = ATOMIC_INIT(1),
.uts_ns = &init_uts_ns,
#if defined(CONFIG_POSIX_MQUEUE) || defined(CONFIG_SYSVIPC)
.ipc_ns = &init_ipc_ns,
.ipc_ns = &init_ipc_ns,
#endif
.mnt_ns = NULL,
.pid_ns = &init_pid_ns,
.mnt_ns = NULL,
.pid_ns_for_children = &init_pid_ns,
#ifdef CONFIG_NET
.net_ns = &init_net,
.net_ns = &init_net,
#endif
};
@ -85,9 +85,10 @@ static struct nsproxy *create_new_namespaces(unsigned long flags,
goto out_ipc;
}
new_nsp->pid_ns = copy_pid_ns(flags, user_ns, tsk->nsproxy->pid_ns);
if (IS_ERR(new_nsp->pid_ns)) {
err = PTR_ERR(new_nsp->pid_ns);
new_nsp->pid_ns_for_children =
copy_pid_ns(flags, user_ns, tsk->nsproxy->pid_ns_for_children);
if (IS_ERR(new_nsp->pid_ns_for_children)) {
err = PTR_ERR(new_nsp->pid_ns_for_children);
goto out_pid;
}
@ -100,8 +101,8 @@ static struct nsproxy *create_new_namespaces(unsigned long flags,
return new_nsp;
out_net:
if (new_nsp->pid_ns)
put_pid_ns(new_nsp->pid_ns);
if (new_nsp->pid_ns_for_children)
put_pid_ns(new_nsp->pid_ns_for_children);
out_pid:
if (new_nsp->ipc_ns)
put_ipc_ns(new_nsp->ipc_ns);
@ -174,8 +175,8 @@ void free_nsproxy(struct nsproxy *ns)
put_uts_ns(ns->uts_ns);
if (ns->ipc_ns)
put_ipc_ns(ns->ipc_ns);
if (ns->pid_ns)
put_pid_ns(ns->pid_ns);
if (ns->pid_ns_for_children)
put_pid_ns(ns->pid_ns_for_children);
put_net(ns->net_ns);
kmem_cache_free(nsproxy_cachep, ns);
}

4
kernel/pid_namespace.c
View File

@ -349,8 +349,8 @@ static int pidns_install(struct nsproxy *nsproxy, void *ns)
if (ancestor != active)
return -EINVAL;
put_pid_ns(nsproxy->pid_ns);
nsproxy->pid_ns = get_pid_ns(new);
put_pid_ns(nsproxy->pid_ns_for_children);
nsproxy->pid_ns_for_children = get_pid_ns(new);
return 0;
}

43
kernel/time/timer_list.c
View File

@ -265,10 +265,9 @@ static inline void timer_list_header(struct seq_file *m, u64 now)
static int timer_list_show(struct seq_file *m, void *v)
{
struct timer_list_iter *iter = v;
u64 now = ktime_to_ns(ktime_get());
if (iter->cpu == -1 && !iter->second_pass)
timer_list_header(m, now);
timer_list_header(m, iter->now);
else if (!iter->second_pass)
print_cpu(m, iter->cpu, iter->now);
#ifdef CONFIG_GENERIC_CLOCKEVENTS
@ -298,33 +297,41 @@ void sysrq_timer_list_show(void)
return;
}
static void *move_iter(struct timer_list_iter *iter, loff_t offset)
{
for (; offset; offset--) {
iter->cpu = cpumask_next(iter->cpu, cpu_online_mask);
if (iter->cpu >= nr_cpu_ids) {
#ifdef CONFIG_GENERIC_CLOCKEVENTS
if (!iter->second_pass) {
iter->cpu = -1;
iter->second_pass = true;
} else
return NULL;
#else
return NULL;
#endif
}
}
return iter;
}
static void *timer_list_start(struct seq_file *file, loff_t *offset)
{
struct timer_list_iter *iter = file->private;
if (!*offset) {
iter->cpu = -1;
if (!*offset)
iter->now = ktime_to_ns(ktime_get());
} else if (iter->cpu >= nr_cpu_ids) {
#ifdef CONFIG_GENERIC_CLOCKEVENTS
if (!iter->second_pass) {
iter->cpu = -1;
iter->second_pass = true;
} else
return NULL;
#else
return NULL;
#endif
}
return iter;
iter->cpu = -1;
iter->second_pass = false;
return move_iter(iter, *offset);
}
static void *timer_list_next(struct seq_file *file, void *v, loff_t *offset)
{
struct timer_list_iter *iter = file->private;
iter->cpu = cpumask_next(iter->cpu, cpu_online_mask);
++*offset;
return timer_list_start(file, offset);
return move_iter(iter, 1);
}
static void timer_list_stop(struct seq_file *seq, void *v)

9
kernel/workqueue.c
View File

@ -2201,6 +2201,15 @@ __acquires(&pool->lock)
dump_stack();
}
/*
* The following prevents a kworker from hogging CPU on !PREEMPT
* kernels, where a requeueing work item waiting for something to
* happen could deadlock with stop_machine as such work item could
* indefinitely requeue itself while all other CPUs are trapped in
* stop_machine.
*/
cond_resched();
spin_lock_irq(&pool->lock);
/* clear cpu intensive status */

21
mm/mremap.c
View File

@ -15,6 +15,7 @@
#include <linux/swap.h>
#include <linux/capability.h>
#include <linux/fs.h>
#include <linux/swapops.h>
#include <linux/highmem.h>
#include <linux/security.h>
#include <linux/syscalls.h>
@ -69,6 +70,23 @@ static pmd_t *alloc_new_pmd(struct mm_struct *mm, struct vm_area_struct *vma,
return pmd;
}
static pte_t move_soft_dirty_pte(pte_t pte)
{
/*
* Set soft dirty bit so we can notice
* in userspace the ptes were moved.
*/
#ifdef CONFIG_MEM_SOFT_DIRTY
if (pte_present(pte))
pte = pte_mksoft_dirty(pte);
else if (is_swap_pte(pte))
pte = pte_swp_mksoft_dirty(pte);
else if (pte_file(pte))
pte = pte_file_mksoft_dirty(pte);
#endif
return pte;
}
static void move_ptes(struct vm_area_struct *vma, pmd_t *old_pmd,
unsigned long old_addr, unsigned long old_end,
struct vm_area_struct *new_vma, pmd_t *new_pmd,
@ -126,7 +144,8 @@ static void move_ptes(struct vm_area_struct *vma, pmd_t *old_pmd,
continue;
pte = ptep_get_and_clear(mm, old_addr, old_pte);
pte = move_pte(pte, new_vma->vm_page_prot, old_addr, new_addr);
set_pte_at(mm, new_addr, new_pte, pte_mksoft_dirty(pte));
pte = move_soft_dirty_pte(pte);
set_pte_at(mm, new_addr, new_pte, pte);
}
arch_leave_lazy_mmu_mode();

2
mm/slab.h
View File

@ -162,6 +162,8 @@ static inline const char *cache_name(struct kmem_cache *s)
static inline struct kmem_cache *cache_from_memcg(struct kmem_cache *s, int idx)
{
if (!s->memcg_params)
return NULL;
return s->memcg_params->memcg_caches[idx];
}

2
net/bridge/br_device.c
View File

@ -71,7 +71,7 @@ netdev_tx_t br_dev_xmit(struct sk_buff *skb, struct net_device *dev)
mdst = br_mdb_get(br, skb, vid);
if ((mdst || BR_INPUT_SKB_CB_MROUTERS_ONLY(skb)) &&
br_multicast_querier_exists(br))
br_multicast_querier_exists(br, eth_hdr(skb)))
br_multicast_deliver(mdst, skb);
else
br_flood_deliver(br, skb, false);

2
net/bridge/br_input.c
View File

@ -102,7 +102,7 @@ int br_handle_frame_finish(struct sk_buff *skb)
} else if (is_multicast_ether_addr(dest)) {
mdst = br_mdb_get(br, skb, vid);
if ((mdst || BR_INPUT_SKB_CB_MROUTERS_ONLY(skb)) &&
br_multicast_querier_exists(br)) {
br_multicast_querier_exists(br, eth_hdr(skb))) {
if ((mdst && mdst->mglist) ||
br_multicast_is_router(br))
skb2 = skb;

14
net/bridge/br_mdb.c
View File

@ -414,16 +414,20 @@ static int __br_mdb_del(struct net_bridge *br, struct br_mdb_entry *entry)
if (!netif_running(br->dev) || br->multicast_disabled)
return -EINVAL;
if (timer_pending(&br->multicast_querier_timer))
return -EBUSY;
ip.proto = entry->addr.proto;
if (ip.proto == htons(ETH_P_IP))
if (ip.proto == htons(ETH_P_IP)) {
if (timer_pending(&br->ip4_querier.timer))
return -EBUSY;
ip.u.ip4 = entry->addr.u.ip4;
#if IS_ENABLED(CONFIG_IPV6)
else
} else {
if (timer_pending(&br->ip6_querier.timer))
return -EBUSY;
ip.u.ip6 = entry->addr.u.ip6;
#endif
}
spin_lock_bh(&br->multicast_lock);
mdb = mlock_dereference(br->mdb, br);

265
net/bridge/br_multicast.c
View File

@ -33,7 +33,8 @@
#include "br_private.h"
static void br_multicast_start_querier(struct net_bridge *br);
static void br_multicast_start_querier(struct net_bridge *br,
struct bridge_mcast_query *query);
unsigned int br_mdb_rehash_seq;
static inline int br_ip_equal(const struct br_ip *a, const struct br_ip *b)
@ -755,20 +756,35 @@ static void br_multicast_local_router_expired(unsigned long data)
{
}
static void br_multicast_querier_expired(unsigned long data)
static void br_multicast_querier_expired(struct net_bridge *br,
struct bridge_mcast_query *query)
{
struct net_bridge *br = (void *)data;
spin_lock(&br->multicast_lock);
if (!netif_running(br->dev) || br->multicast_disabled)
goto out;
br_multicast_start_querier(br);
br_multicast_start_querier(br, query);
out:
spin_unlock(&br->multicast_lock);
}
static void br_ip4_multicast_querier_expired(unsigned long data)
{
struct net_bridge *br = (void *)data;
br_multicast_querier_expired(br, &br->ip4_query);
}
#if IS_ENABLED(CONFIG_IPV6)
static void br_ip6_multicast_querier_expired(unsigned long data)
{
struct net_bridge *br = (void *)data;
br_multicast_querier_expired(br, &br->ip6_query);
}
#endif
static void __br_multicast_send_query(struct net_bridge *br,
struct net_bridge_port *port,
struct br_ip *ip)
@ -789,37 +805,45 @@ static void __br_multicast_send_query(struct net_bridge *br,
}
static void br_multicast_send_query(struct net_bridge *br,
struct net_bridge_port *port, u32 sent)
struct net_bridge_port *port,
struct bridge_mcast_query *query)
{
unsigned long time;
struct br_ip br_group;
struct bridge_mcast_querier *querier = NULL;
if (!netif_running(br->dev) || br->multicast_disabled ||
!br->multicast_querier ||
timer_pending(&br->multicast_querier_timer))
!br->multicast_querier)
return;
memset(&br_group.u, 0, sizeof(br_group.u));
br_group.proto = htons(ETH_P_IP);
__br_multicast_send_query(br, port, &br_group);
if (port ? (query == &port->ip4_query) :
(query == &br->ip4_query)) {
querier = &br->ip4_querier;
br_group.proto = htons(ETH_P_IP);
#if IS_ENABLED(CONFIG_IPV6)
br_group.proto = htons(ETH_P_IPV6);
__br_multicast_send_query(br, port, &br_group);
} else {
querier = &br->ip6_querier;
br_group.proto = htons(ETH_P_IPV6);
#endif
}
if (!querier || timer_pending(&querier->timer))
return;
__br_multicast_send_query(br, port, &br_group);
time = jiffies;
time += sent < br->multicast_startup_query_count ?
time += query->startup_sent < br->multicast_startup_query_count ?
br->multicast_startup_query_interval :
br->multicast_query_interval;
mod_timer(port ? &port->multicast_query_timer :
&br->multicast_query_timer, time);
mod_timer(&query->timer, time);
}
static void br_multicast_port_query_expired(unsigned long data)
static void br_multicast_port_query_expired(struct net_bridge_port *port,
struct bridge_mcast_query *query)
{
struct net_bridge_port *port = (void *)data;
struct net_bridge *br = port->br;
spin_lock(&br->multicast_lock);
@ -827,25 +851,43 @@ static void br_multicast_port_query_expired(unsigned long data)
port->state == BR_STATE_BLOCKING)
goto out;
if (port->multicast_startup_queries_sent <
br->multicast_startup_query_count)
port->multicast_startup_queries_sent++;
if (query->startup_sent < br->multicast_startup_query_count)
query->startup_sent++;
br_multicast_send_query(port->br, port,
port->multicast_startup_queries_sent);
br_multicast_send_query(port->br, port, query);
out:
spin_unlock(&br->multicast_lock);
}
static void br_ip4_multicast_port_query_expired(unsigned long data)
{
struct net_bridge_port *port = (void *)data;
br_multicast_port_query_expired(port, &port->ip4_query);
}
#if IS_ENABLED(CONFIG_IPV6)
static void br_ip6_multicast_port_query_expired(unsigned long data)
{
struct net_bridge_port *port = (void *)data;
br_multicast_port_query_expired(port, &port->ip6_query);
}
#endif
void br_multicast_add_port(struct net_bridge_port *port)
{
port->multicast_router = 1;
setup_timer(&port->multicast_router_timer, br_multicast_router_expired,
(unsigned long)port);
setup_timer(&port->multicast_query_timer,
br_multicast_port_query_expired, (unsigned long)port);
setup_timer(&port->ip4_query.timer, br_ip4_multicast_port_query_expired,
(unsigned long)port);
#if IS_ENABLED(CONFIG_IPV6)
setup_timer(&port->ip6_query.timer, br_ip6_multicast_port_query_expired,
(unsigned long)port);
#endif
}
void br_multicast_del_port(struct net_bridge_port *port)
@ -853,13 +895,13 @@ void br_multicast_del_port(struct net_bridge_port *port)
del_timer_sync(&port->multicast_router_timer);
}
static void __br_multicast_enable_port(struct net_bridge_port *port)
static void br_multicast_enable(struct bridge_mcast_query *query)
{
port->multicast_startup_queries_sent = 0;
query->startup_sent = 0;
if (try_to_del_timer_sync(&port->multicast_query_timer) >= 0 ||
del_timer(&port->multicast_query_timer))
mod_timer(&port->multicast_query_timer, jiffies);
if (try_to_del_timer_sync(&query->timer) >= 0 ||
del_timer(&query->timer))
mod_timer(&query->timer, jiffies);
}
void br_multicast_enable_port(struct net_bridge_port *port)
@ -870,7 +912,10 @@ void br_multicast_enable_port(struct net_bridge_port *port)
if (br->multicast_disabled || !netif_running(br->dev))
goto out;
__br_multicast_enable_port(port);
br_multicast_enable(&port->ip4_query);
#if IS_ENABLED(CONFIG_IPV6)
br_multicast_enable(&port->ip6_query);
#endif
out:
spin_unlock(&br->multicast_lock);
@ -889,7 +934,10 @@ void br_multicast_disable_port(struct net_bridge_port *port)
if (!hlist_unhashed(&port->rlist))
hlist_del_init_rcu(&port->rlist);
del_timer(&port->multicast_router_timer);
del_timer(&port->multicast_query_timer);
del_timer(&port->ip4_query.timer);
#if IS_ENABLED(CONFIG_IPV6)
del_timer(&port->ip6_query.timer);
#endif
spin_unlock(&br->multicast_lock);
}
@ -1014,14 +1062,15 @@ static int br_ip6_multicast_mld2_report(struct net_bridge *br,
}
#endif
static void br_multicast_update_querier_timer(struct net_bridge *br,
unsigned long max_delay)
static void
br_multicast_update_querier_timer(struct net_bridge *br,
struct bridge_mcast_querier *querier,
unsigned long max_delay)
{
if (!timer_pending(&br->multicast_querier_timer))
br->multicast_querier_delay_time = jiffies + max_delay;
if (!timer_pending(&querier->timer))
querier->delay_time = jiffies + max_delay;
mod_timer(&br->multicast_querier_timer,
jiffies + br->multicast_querier_interval);
mod_timer(&querier->timer, jiffies + br->multicast_querier_interval);
}
/*
@ -1074,12 +1123,13 @@ timer:
static void br_multicast_query_received(struct net_bridge *br,
struct net_bridge_port *port,
struct bridge_mcast_querier *querier,
int saddr,
unsigned long max_delay)
{
if (saddr)
br_multicast_update_querier_timer(br, max_delay);
else if (timer_pending(&br->multicast_querier_timer))
br_multicast_update_querier_timer(br, querier, max_delay);
else if (timer_pending(&querier->timer))
return;
br_multicast_mark_router(br, port);
@ -1129,7 +1179,8 @@ static int br_ip4_multicast_query(struct net_bridge *br,
IGMPV3_MRC(ih3->code) * (HZ / IGMP_TIMER_SCALE) : 1;
}
br_multicast_query_received(br, port, !!iph->saddr, max_delay);
br_multicast_query_received(br, port, &br->ip4_querier, !!iph->saddr,
max_delay);
if (!group)
goto out;
@ -1203,11 +1254,12 @@ static int br_ip6_multicast_query(struct net_bridge *br,
mld2q = (struct mld2_query *)icmp6_hdr(skb);
if (!mld2q->mld2q_nsrcs)
group = &mld2q->mld2q_mca;
max_delay = mld2q->mld2q_mrc ? MLDV2_MRC(ntohs(mld2q->mld2q_mrc)) : 1;
max_delay = max(msecs_to_jiffies(MLDV2_MRC(ntohs(mld2q->mld2q_mrc))), 1UL);
}
br_multicast_query_received(br, port, !ipv6_addr_any(&ip6h->saddr),
max_delay);
br_multicast_query_received(br, port, &br->ip6_querier,
!ipv6_addr_any(&ip6h->saddr), max_delay);
if (!group)
goto out;
@ -1244,7 +1296,9 @@ out:
static void br_multicast_leave_group(struct net_bridge *br,
struct net_bridge_port *port,
struct br_ip *group)
struct br_ip *group,
struct bridge_mcast_querier *querier,
struct bridge_mcast_query *query)
{
struct net_bridge_mdb_htable *mdb;
struct net_bridge_mdb_entry *mp;
@ -1255,7 +1309,7 @@ static void br_multicast_leave_group(struct net_bridge *br,
spin_lock(&br->multicast_lock);
if (!netif_running(br->dev) ||
(port && port->state == BR_STATE_DISABLED) ||
timer_pending(&br->multicast_querier_timer))
timer_pending(&querier->timer))
goto out;
mdb = mlock_dereference(br->mdb, br);
@ -1263,14 +1317,13 @@ static void br_multicast_leave_group(struct net_bridge *br,
if (!mp)
goto out;
if (br->multicast_querier &&
!timer_pending(&br->multicast_querier_timer)) {
if (br->multicast_querier) {
__br_multicast_send_query(br, port, &mp->addr);
time = jiffies + br->multicast_last_member_count *
br->multicast_last_member_interval;
mod_timer(port ? &port->multicast_query_timer :
&br->multicast_query_timer, time);
mod_timer(&query->timer, time);
for (p = mlock_dereference(mp->ports, br);
p != NULL;
@ -1323,7 +1376,6 @@ static void br_multicast_leave_group(struct net_bridge *br,
mod_timer(&mp->timer, time);
}
}
out:
spin_unlock(&br->multicast_lock);
}
@ -1334,6 +1386,8 @@ static void br_ip4_multicast_leave_group(struct net_bridge *br,
__u16 vid)
{
struct br_ip br_group;
struct bridge_mcast_query *query = port ? &port->ip4_query :
&br->ip4_query;
if (ipv4_is_local_multicast(group))
return;
@ -1342,7 +1396,7 @@ static void br_ip4_multicast_leave_group(struct net_bridge *br,
br_group.proto = htons(ETH_P_IP);
br_group.vid = vid;
br_multicast_leave_group(br, port, &br_group);
br_multicast_leave_group(br, port, &br_group, &br->ip4_querier, query);
}
#if IS_ENABLED(CONFIG_IPV6)
@ -1352,6 +1406,9 @@ static void br_ip6_multicast_leave_group(struct net_bridge *br,
__u16 vid)
{
struct br_ip br_group;
struct bridge_mcast_query *query = port ? &port->ip6_query :
&br->ip6_query;
if (!ipv6_is_transient_multicast(group))
return;
@ -1360,7 +1417,7 @@ static void br_ip6_multicast_leave_group(struct net_bridge *br,
br_group.proto = htons(ETH_P_IPV6);
br_group.vid = vid;
br_multicast_leave_group(br, port, &br_group);
br_multicast_leave_group(br, port, &br_group, &br->ip6_querier, query);
}
#endif
@ -1622,20 +1679,33 @@ int br_multicast_rcv(struct net_bridge *br, struct net_bridge_port *port,
return 0;
}
static void br_multicast_query_expired(unsigned long data)
static void br_multicast_query_expired(struct net_bridge *br,
struct bridge_mcast_query *query)
{
spin_lock(&br->multicast_lock);
if (query->startup_sent < br->multicast_startup_query_count)
query->startup_sent++;
br_multicast_send_query(br, NULL, query);
spin_unlock(&br->multicast_lock);
}
static void br_ip4_multicast_query_expired(unsigned long data)
{
struct net_bridge *br = (void *)data;
spin_lock(&br->multicast_lock);
if (br->multicast_startup_queries_sent <
br->multicast_startup_query_count)
br->multicast_startup_queries_sent++;
br_multicast_send_query(br, NULL, br->multicast_startup_queries_sent);
spin_unlock(&br->multicast_lock);
br_multicast_query_expired(br, &br->ip4_query);
}
#if IS_ENABLED(CONFIG_IPV6)
static void br_ip6_multicast_query_expired(unsigned long data)
{
struct net_bridge *br = (void *)data;
br_multicast_query_expired(br, &br->ip6_query);
}
#endif
void br_multicast_init(struct net_bridge *br)
{
br->hash_elasticity = 4;
@ -1654,25 +1724,43 @@ void br_multicast_init(struct net_bridge *br)
br->multicast_querier_interval = 255 * HZ;
br->multicast_membership_interval = 260 * HZ;
br->multicast_querier_delay_time = 0;
br->ip4_querier.delay_time = 0;
#if IS_ENABLED(CONFIG_IPV6)
br->ip6_querier.delay_time = 0;
#endif
spin_lock_init(&br->multicast_lock);
setup_timer(&br->multicast_router_timer,
br_multicast_local_router_expired, 0);
setup_timer(&br->multicast_querier_timer,
br_multicast_querier_expired, (unsigned long)br);
setup_timer(&br->multicast_query_timer, br_multicast_query_expired,
setup_timer(&br->ip4_querier.timer, br_ip4_multicast_querier_expired,
(unsigned long)br);
setup_timer(&br->ip4_query.timer, br_ip4_multicast_query_expired,
(unsigned long)br);
#if IS_ENABLED(CONFIG_IPV6)
setup_timer(&br->ip6_querier.timer, br_ip6_multicast_querier_expired,
(unsigned long)br);
setup_timer(&br->ip6_query.timer, br_ip6_multicast_query_expired,
(unsigned long)br);
#endif
}
void br_multicast_open(struct net_bridge *br)
static void __br_multicast_open(struct net_bridge *br,
struct bridge_mcast_query *query)
{
br->multicast_startup_queries_sent = 0;
query->startup_sent = 0;
if (br->multicast_disabled)
return;
mod_timer(&br->multicast_query_timer, jiffies);
mod_timer(&query->timer, jiffies);
}
void br_multicast_open(struct net_bridge *br)
{
__br_multicast_open(br, &br->ip4_query);
#if IS_ENABLED(CONFIG_IPV6)
__br_multicast_open(br, &br->ip6_query);
#endif
}
void br_multicast_stop(struct net_bridge *br)
@ -1684,8 +1772,12 @@ void br_multicast_stop(struct net_bridge *br)
int i;
del_timer_sync(&br->multicast_router_timer);
del_timer_sync(&br->multicast_querier_timer);
del_timer_sync(&br->multicast_query_timer);
del_timer_sync(&br->ip4_querier.timer);
del_timer_sync(&br->ip4_query.timer);
#if IS_ENABLED(CONFIG_IPV6)
del_timer_sync(&br->ip6_querier.timer);
del_timer_sync(&br->ip6_query.timer);
#endif
spin_lock_bh(&br->multicast_lock);
mdb = mlock_dereference(br->mdb, br);
@ -1788,18 +1880,24 @@ unlock:
return err;
}
static void br_multicast_start_querier(struct net_bridge *br)
static void br_multicast_start_querier(struct net_bridge *br,
struct bridge_mcast_query *query)
{
struct net_bridge_port *port;
br_multicast_open(br);
__br_multicast_open(br, query);
list_for_each_entry(port, &br->port_list, list) {
if (port->state == BR_STATE_DISABLED ||
port->state == BR_STATE_BLOCKING)
continue;
__br_multicast_enable_port(port);
if (query == &br->ip4_query)
br_multicast_enable(&port->ip4_query);
#if IS_ENABLED(CONFIG_IPV6)
else
br_multicast_enable(&port->ip6_query);
#endif
}
}
@ -1834,7 +1932,10 @@ rollback:
goto rollback;
}
br_multicast_start_querier(br);
br_multicast_start_querier(br, &br->ip4_query);
#if IS_ENABLED(CONFIG_IPV6)
br_multicast_start_querier(br, &br->ip6_query);
#endif
unlock:
spin_unlock_bh(&br->multicast_lock);
@ -1857,10 +1958,18 @@ int br_multicast_set_querier(struct net_bridge *br, unsigned long val)
goto unlock;
max_delay = br->multicast_query_response_interval;
if (!timer_pending(&br->multicast_querier_timer))
br->multicast_querier_delay_time = jiffies + max_delay;
br_multicast_start_querier(br);
if (!timer_pending(&br->ip4_querier.timer))
br->ip4_querier.delay_time = jiffies + max_delay;
br_multicast_start_querier(br, &br->ip4_query);
#if IS_ENABLED(CONFIG_IPV6)
if (!timer_pending(&br->ip6_querier.timer))
br->ip6_querier.delay_time = jiffies + max_delay;
br_multicast_start_querier(br, &br->ip6_query);
#endif
unlock:
spin_unlock_bh(&br->multicast_lock);

57
net/bridge/br_private.h
View File

@ -66,6 +66,20 @@ struct br_ip
__u16 vid;
};
#ifdef CONFIG_BRIDGE_IGMP_SNOOPING
/* our own querier */
struct bridge_mcast_query {
struct timer_list timer;
u32 startup_sent;
};
/* other querier */
struct bridge_mcast_querier {
struct timer_list timer;
unsigned long delay_time;
};
#endif
struct net_port_vlans {
u16 port_idx;
u16 pvid;
@ -162,10 +176,12 @@ struct net_bridge_port
#define BR_FLOOD 0x00000040
#ifdef CONFIG_BRIDGE_IGMP_SNOOPING
u32 multicast_startup_queries_sent;
struct bridge_mcast_query ip4_query;
#if IS_ENABLED(CONFIG_IPV6)
struct bridge_mcast_query ip6_query;
#endif /* IS_ENABLED(CONFIG_IPV6) */
unsigned char multicast_router;
struct timer_list multicast_router_timer;
struct timer_list multicast_query_timer;
struct hlist_head mglist;
struct hlist_node rlist;
#endif
@ -258,7 +274,6 @@ struct net_bridge
u32 hash_max;
u32 multicast_last_member_count;
u32 multicast_startup_queries_sent;
u32 multicast_startup_query_count;
unsigned long multicast_last_member_interval;
@ -267,15 +282,18 @@ struct net_bridge
unsigned long multicast_query_interval;
unsigned long multicast_query_response_interval;
unsigned long multicast_startup_query_interval;
unsigned long multicast_querier_delay_time;
spinlock_t multicast_lock;
struct net_bridge_mdb_htable __rcu *mdb;
struct hlist_head router_list;
struct timer_list multicast_router_timer;
struct timer_list multicast_querier_timer;
struct timer_list multicast_query_timer;
struct bridge_mcast_querier ip4_querier;
struct bridge_mcast_query ip4_query;
#if IS_ENABLED(CONFIG_IPV6)
struct bridge_mcast_querier ip6_querier;
struct bridge_mcast_query ip6_query;
#endif /* IS_ENABLED(CONFIG_IPV6) */
#endif
struct timer_list hello_timer;
@ -503,11 +521,27 @@ static inline bool br_multicast_is_router(struct net_bridge *br)
timer_pending(&br->multicast_router_timer));
}
static inline bool br_multicast_querier_exists(struct net_bridge *br)
static inline bool
__br_multicast_querier_exists(struct net_bridge *br,
struct bridge_mcast_querier *querier)
{
return time_is_before_jiffies(br->multicast_querier_delay_time) &&
(br->multicast_querier ||
timer_pending(&br->multicast_querier_timer));
return time_is_before_jiffies(querier->delay_time) &&
(br->multicast_querier || timer_pending(&querier->timer));
}
static inline bool br_multicast_querier_exists(struct net_bridge *br,
struct ethhdr *eth)
{
switch (eth->h_proto) {
case (htons(ETH_P_IP)):
return __br_multicast_querier_exists(br, &br->ip4_querier);
#if IS_ENABLED(CONFIG_IPV6)
case (htons(ETH_P_IPV6)):
return __br_multicast_querier_exists(br, &br->ip6_querier);
#endif
default:
return false;
}
}
#else
static inline int br_multicast_rcv(struct net_bridge *br,
@ -565,7 +599,8 @@ static inline bool br_multicast_is_router(struct net_bridge *br)
{
return 0;
}
static inline bool br_multicast_querier_exists(struct net_bridge *br)
static inline bool br_multicast_querier_exists(struct net_bridge *br,
struct ethhdr *eth)
{
return false;
}

11
net/core/flow_dissector.c
View File

@ -346,14 +346,9 @@ u16 __netdev_pick_tx(struct net_device *dev, struct sk_buff *skb)
if (new_index < 0)
new_index = skb_tx_hash(dev, skb);
if (queue_index != new_index && sk) {
struct dst_entry *dst =
rcu_dereference_check(sk->sk_dst_cache, 1);
if (dst && skb_dst(skb) == dst)
sk_tx_queue_set(sk, queue_index);
}
if (queue_index != new_index && sk &&
rcu_access_pointer(sk->sk_dst_cache))
sk_tx_queue_set(sk, queue_index);
queue_index = new_index;
}

2
net/core/scm.c
View File

@ -54,7 +54,7 @@ static __inline__ int scm_check_creds(struct ucred *creds)
return -EINVAL;
if ((creds->pid == task_tgid_vnr(current) ||
ns_capable(current->nsproxy->pid_ns->user_ns, CAP_SYS_ADMIN)) &&
ns_capable(task_active_pid_ns(current)->user_ns, CAP_SYS_ADMIN)) &&
((uid_eq(uid, cred->uid) || uid_eq(uid, cred->euid) ||
uid_eq(uid, cred->suid)) || nsown_capable(CAP_SETUID)) &&
((gid_eq(gid, cred->gid) || gid_eq(gid, cred->egid) ||

8
net/ipv4/ip_output.c
View File

@ -211,14 +211,6 @@ static inline int ip_finish_output2(struct sk_buff *skb)
return -EINVAL;
}
static inline int ip_skb_dst_mtu(struct sk_buff *skb)
{
struct inet_sock *inet = skb->sk ? inet_sk(skb->sk) : NULL;
return (inet && inet->pmtudisc == IP_PMTUDISC_PROBE) ?
skb_dst(skb)->dev->mtu : dst_mtu(skb_dst(skb));
}
static int ip_finish_output(struct sk_buff *skb)
{
#if defined(CONFIG_NETFILTER) && defined(CONFIG_XFRM)

5
net/ipv4/ipip.c
View File

@ -190,15 +190,14 @@ static int ipip_rcv(struct sk_buff *skb)
struct ip_tunnel *tunnel;
const struct iphdr *iph;
if (iptunnel_pull_header(skb, 0, tpi.proto))
goto drop;
iph = ip_hdr(skb);
tunnel = ip_tunnel_lookup(itn, skb->dev->ifindex, TUNNEL_NO_KEY,
iph->saddr, iph->daddr, 0);
if (tunnel) {
if (!xfrm4_policy_check(NULL, XFRM_POLICY_IN, skb))
goto drop;
if (iptunnel_pull_header(skb, 0, tpi.proto))
goto drop;
return ip_tunnel_rcv(tunnel, skb, &tpi, log_ecn_error);
}

3
net/ipv4/raw.c
View File

@ -571,7 +571,8 @@ static int raw_sendmsg(struct kiocb *iocb, struct sock *sk, struct msghdr *msg,
flowi4_init_output(&fl4, ipc.oif, sk->sk_mark, tos,
RT_SCOPE_UNIVERSE,
inet->hdrincl ? IPPROTO_RAW : sk->sk_protocol,
inet_sk_flowi_flags(sk) | FLOWI_FLAG_CAN_SLEEP,
inet_sk_flowi_flags(sk) | FLOWI_FLAG_CAN_SLEEP |
(inet->hdrincl ? FLOWI_FLAG_KNOWN_NH : 0),
daddr, saddr, 0, 0);
if (!inet->hdrincl) {

9
net/ipv4/tcp_input.c
View File

@ -3535,7 +3535,10 @@ static bool tcp_parse_aligned_timestamp(struct tcp_sock *tp, const struct tcphdr
++ptr;
tp->rx_opt.rcv_tsval = ntohl(*ptr);
++ptr;
tp->rx_opt.rcv_tsecr = ntohl(*ptr) - tp->tsoffset;
if (*ptr)
tp->rx_opt.rcv_tsecr = ntohl(*ptr) - tp->tsoffset;
else
tp->rx_opt.rcv_tsecr = 0;
return true;
}
return false;
@ -3560,7 +3563,7 @@ static bool tcp_fast_parse_options(const struct sk_buff *skb,
}
tcp_parse_options(skb, &tp->rx_opt, 1, NULL);
if (tp->rx_opt.saw_tstamp)
if (tp->rx_opt.saw_tstamp && tp->rx_opt.rcv_tsecr)
tp->rx_opt.rcv_tsecr -= tp->tsoffset;
return true;
@ -5316,7 +5319,7 @@ static int tcp_rcv_synsent_state_process(struct sock *sk, struct sk_buff *skb,
int saved_clamp = tp->rx_opt.mss_clamp;
tcp_parse_options(skb, &tp->rx_opt, 0, &foc);
if (tp->rx_opt.saw_tstamp)
if (tp->rx_opt.saw_tstamp && tp->rx_opt.rcv_tsecr)
tp->rx_opt.rcv_tsecr -= tp->tsoffset;
if (th->ack) {

4
net/ipv4/tcp_output.c
View File

@ -2670,7 +2670,7 @@ struct sk_buff *tcp_make_synack(struct sock *sk, struct dst_entry *dst,
int tcp_header_size;
int mss;
skb = alloc_skb(MAX_TCP_HEADER + 15, sk_gfp_atomic(sk, GFP_ATOMIC));
skb = sock_wmalloc(sk, MAX_TCP_HEADER + 15, 1, GFP_ATOMIC);
if (unlikely(!skb)) {
dst_release(dst);
return NULL;
@ -2814,6 +2814,8 @@ void tcp_connect_init(struct sock *sk)
if (likely(!tp->repair))
tp->rcv_nxt = 0;
else
tp->rcv_tstamp = tcp_time_stamp;
tp->rcv_wup = tp->rcv_nxt;
tp->copied_seq = tp->rcv_nxt;

16
net/ipv4/xfrm4_output.c
View File

@ -21,7 +21,6 @@
static int xfrm4_tunnel_check_size(struct sk_buff *skb)
{
int mtu, ret = 0;
struct dst_entry *dst;
if (IPCB(skb)->flags & IPSKB_XFRM_TUNNEL_SIZE)
goto out;
@ -29,12 +28,10 @@ static int xfrm4_tunnel_check_size(struct sk_buff *skb)
if (!(ip_hdr(skb)->frag_off & htons(IP_DF)) || skb->local_df)
goto out;
dst = skb_dst(skb);
mtu = dst_mtu(dst);
mtu = dst_mtu(skb_dst(skb));
if (skb->len > mtu) {
if (skb->sk)
ip_local_error(skb->sk, EMSGSIZE, ip_hdr(skb)->daddr,
inet_sk(skb->sk)->inet_dport, mtu);
xfrm_local_error(skb, mtu);
else
icmp_send(skb, ICMP_DEST_UNREACH,
ICMP_FRAG_NEEDED, htonl(mtu));
@ -99,3 +96,12 @@ int xfrm4_output(struct sk_buff *skb)
x->outer_mode->afinfo->output_finish,
!(IPCB(skb)->flags & IPSKB_REROUTED));
}
void xfrm4_local_error(struct sk_buff *skb, u32 mtu)
{
struct iphdr *hdr;
hdr = skb->encapsulation ? inner_ip_hdr(skb) : ip_hdr(skb);
ip_local_error(skb->sk, EMSGSIZE, hdr->daddr,
inet_sk(skb->sk)->inet_dport, mtu);
}

1
net/ipv4/xfrm4_state.c
View File

@ -83,6 +83,7 @@ static struct xfrm_state_afinfo xfrm4_state_afinfo = {
.extract_input = xfrm4_extract_input,
.extract_output = xfrm4_extract_output,
.transport_finish = xfrm4_transport_finish,
.local_error = xfrm4_local_error,
};
void __init xfrm4_state_init(void)

5
net/ipv6/ip6_gre.c
View File

@ -724,6 +724,11 @@ static netdev_tx_t ip6gre_xmit2(struct sk_buff *skb,
ipv6_push_nfrag_opts(skb, &opt.ops, &proto, NULL);
}
if (likely(!skb->encapsulation)) {
skb_reset_inner_headers(skb);
skb->encapsulation = 1;
}
skb_push(skb, gre_hlen);
skb_reset_network_header(skb);
skb_set_transport_header(skb, sizeof(*ipv6h));

3
net/ipv6/ip6_output.c
View File

@ -238,6 +238,7 @@ int ip6_xmit(struct sock *sk, struct sk_buff *skb, struct flowi6 *fl6,
hdr->saddr = fl6->saddr;
hdr->daddr = *first_hop;
skb->protocol = htons(ETH_P_IPV6);
skb->priority = sk->sk_priority;
skb->mark = sk->sk_mark;
@ -1057,6 +1058,7 @@ static inline int ip6_ufo_append_data(struct sock *sk,
/* initialize protocol header pointer */
skb->transport_header = skb->network_header + fragheaderlen;
skb->protocol = htons(ETH_P_IPV6);
skb->ip_summed = CHECKSUM_PARTIAL;
skb->csum = 0;
}
@ -1359,6 +1361,7 @@ alloc_new_skb:
/*
* Fill in the control structures
*/
skb->protocol = htons(ETH_P_IPV6);
skb->ip_summed = CHECKSUM_NONE;
skb->csum = 0;
/* reserve for fragmentation and ipsec header */

6
net/ipv6/ip6_tunnel.c
View File

@ -1027,6 +1027,12 @@ static int ip6_tnl_xmit2(struct sk_buff *skb,
init_tel_txopt(&opt, encap_limit);
ipv6_push_nfrag_opts(skb, &opt.ops, &proto, NULL);
}
if (likely(!skb->encapsulation)) {
skb_reset_inner_headers(skb);
skb->encapsulation = 1;
}
skb_push(skb, sizeof(struct ipv6hdr));
skb_reset_network_header(skb);
ipv6h = ipv6_hdr(skb);

1
net/ipv6/raw.c
View File

@ -628,6 +628,7 @@ static int rawv6_send_hdrinc(struct sock *sk, void *from, int length,
goto error;
skb_reserve(skb, hlen);
skb->protocol = htons(ETH_P_IPV6);
skb->priority = sk->sk_priority;
skb->mark = sk->sk_mark;
skb_dst_set(skb, &rt->dst);

11
net/ipv6/sit.c
View File

@ -645,11 +645,7 @@ static int ipip_rcv(struct sk_buff *skb)
const struct iphdr *iph;
struct ip_tunnel *tunnel;
if (iptunnel_pull_header(skb, 0, tpi.proto))
goto drop;
iph = ip_hdr(skb);
tunnel = ipip6_tunnel_lookup(dev_net(skb->dev), skb->dev,
iph->saddr, iph->daddr);
if (tunnel != NULL) {
@ -659,6 +655,8 @@ static int ipip_rcv(struct sk_buff *skb)
if (!xfrm4_policy_check(NULL, XFRM_POLICY_IN, skb))
goto drop;
if (iptunnel_pull_header(skb, 0, tpi.proto))
goto drop;
return ip_tunnel_rcv(tunnel, skb, &tpi, log_ecn_error);
}
@ -888,6 +886,11 @@ static netdev_tx_t ipip6_tunnel_xmit(struct sk_buff *skb,
ttl = iph6->hop_limit;
tos = INET_ECN_encapsulate(tos, ipv6_get_dsfield(iph6));
if (likely(!skb->encapsulation)) {
skb_reset_inner_headers(skb);
skb->encapsulation = 1;
}
err = iptunnel_xmit(dev_net(dev), rt, skb, fl4.saddr, fl4.daddr,
IPPROTO_IPV6, tos, ttl, df);
iptunnel_xmit_stats(err, &dev->stats, dev->tstats);

21
net/ipv6/xfrm6_output.c
View File

@ -34,8 +34,10 @@ static int xfrm6_local_dontfrag(struct sk_buff *skb)
struct sock *sk = skb->sk;
if (sk) {
proto = sk->sk_protocol;
if (sk->sk_family != AF_INET6)
return 0;
proto = sk->sk_protocol;
if (proto == IPPROTO_UDP || proto == IPPROTO_RAW)
return inet6_sk(sk)->dontfrag;
}
@ -54,13 +56,15 @@ static void xfrm6_local_rxpmtu(struct sk_buff *skb, u32 mtu)
ipv6_local_rxpmtu(sk, &fl6, mtu);
}
static void xfrm6_local_error(struct sk_buff *skb, u32 mtu)
void xfrm6_local_error(struct sk_buff *skb, u32 mtu)
{
struct flowi6 fl6;
const struct ipv6hdr *hdr;
struct sock *sk = skb->sk;
hdr = skb->encapsulation ? inner_ipv6_hdr(skb) : ipv6_hdr(skb);
fl6.fl6_dport = inet_sk(sk)->inet_dport;
fl6.daddr = ipv6_hdr(skb)->daddr;
fl6.daddr = hdr->daddr;
ipv6_local_error(sk, EMSGSIZE, &fl6, mtu);
}
@ -80,7 +84,7 @@ static int xfrm6_tunnel_check_size(struct sk_buff *skb)
if (xfrm6_local_dontfrag(skb))
xfrm6_local_rxpmtu(skb, mtu);
else if (skb->sk)
xfrm6_local_error(skb, mtu);
xfrm_local_error(skb, mtu);
else
icmpv6_send(skb, ICMPV6_PKT_TOOBIG, 0, mtu);
ret = -EMSGSIZE;
@ -136,13 +140,18 @@ static int __xfrm6_output(struct sk_buff *skb)
{
struct dst_entry *dst = skb_dst(skb);
struct xfrm_state *x = dst->xfrm;
int mtu = ip6_skb_dst_mtu(skb);
int mtu;
if (skb->protocol == htons(ETH_P_IPV6))
mtu = ip6_skb_dst_mtu(skb);
else
mtu = dst_mtu(skb_dst(skb));
if (skb->len > mtu && xfrm6_local_dontfrag(skb)) {
xfrm6_local_rxpmtu(skb, mtu);
return -EMSGSIZE;
} else if (!skb->local_df && skb->len > mtu && skb->sk) {
xfrm6_local_error(skb, mtu);
xfrm_local_error(skb, mtu);
return -EMSGSIZE;
}

1
net/ipv6/xfrm6_state.c
View File

@ -183,6 +183,7 @@ static struct xfrm_state_afinfo xfrm6_state_afinfo = {
.extract_input = xfrm6_extract_input,
.extract_output = xfrm6_extract_output,
.transport_finish = xfrm6_transport_finish,
.local_error = xfrm6_local_error,
};
int __init xfrm6_state_init(void)

34
net/mac80211/ibss.c
View File

@ -36,7 +36,7 @@
static void __ieee80211_sta_join_ibss(struct ieee80211_sub_if_data *sdata,
const u8 *bssid, const int beacon_int,
struct ieee80211_channel *chan,
struct cfg80211_chan_def *req_chandef,
const u32 basic_rates,
const u16 capability, u64 tsf,
bool creator)
@ -51,6 +51,7 @@ static void __ieee80211_sta_join_ibss(struct ieee80211_sub_if_data *sdata,
u32 bss_change;
u8 supp_rates[IEEE80211_MAX_SUPP_RATES];
struct cfg80211_chan_def chandef;
struct ieee80211_channel *chan;
struct beacon_data *presp;
int frame_len;
@ -81,7 +82,9 @@ static void __ieee80211_sta_join_ibss(struct ieee80211_sub_if_data *sdata,
sdata->drop_unencrypted = capability & WLAN_CAPABILITY_PRIVACY ? 1 : 0;
chandef = ifibss->chandef;
/* make a copy of the chandef, it could be modified below. */
chandef = *req_chandef;
chan = chandef.chan;
if (!cfg80211_reg_can_beacon(local->hw.wiphy, &chandef)) {
chandef.width = NL80211_CHAN_WIDTH_20;
chandef.center_freq1 = chan->center_freq;
@ -259,10 +262,12 @@ static void ieee80211_sta_join_ibss(struct ieee80211_sub_if_data *sdata,
struct cfg80211_bss *cbss =
container_of((void *)bss, struct cfg80211_bss, priv);
struct ieee80211_supported_band *sband;
struct cfg80211_chan_def chandef;
u32 basic_rates;
int i, j;
u16 beacon_int = cbss->beacon_interval;
const struct cfg80211_bss_ies *ies;
enum nl80211_channel_type chan_type;
u64 tsf;
sdata_assert_lock(sdata);
@ -270,6 +275,26 @@ static void ieee80211_sta_join_ibss(struct ieee80211_sub_if_data *sdata,
if (beacon_int < 10)
beacon_int = 10;
switch (sdata->u.ibss.chandef.width) {
case NL80211_CHAN_WIDTH_20_NOHT:
case NL80211_CHAN_WIDTH_20:
case NL80211_CHAN_WIDTH_40:
chan_type = cfg80211_get_chandef_type(&sdata->u.ibss.chandef);
cfg80211_chandef_create(&chandef, cbss->channel, chan_type);
break;
case NL80211_CHAN_WIDTH_5:
case NL80211_CHAN_WIDTH_10:
cfg80211_chandef_create(&chandef, cbss->channel,
NL80211_CHAN_WIDTH_20_NOHT);
chandef.width = sdata->u.ibss.chandef.width;
break;
default:
/* fall back to 20 MHz for unsupported modes */
cfg80211_chandef_create(&chandef, cbss->channel,
NL80211_CHAN_WIDTH_20_NOHT);
break;
}
sband = sdata->local->hw.wiphy->bands[cbss->channel->band];
basic_rates = 0;
@ -294,7 +319,7 @@ static void ieee80211_sta_join_ibss(struct ieee80211_sub_if_data *sdata,
__ieee80211_sta_join_ibss(sdata, cbss->bssid,
beacon_int,
cbss->channel,
&chandef,
basic_rates,
cbss->capability,
tsf, false);
@ -736,7 +761,7 @@ static void ieee80211_sta_create_ibss(struct ieee80211_sub_if_data *sdata)
sdata->drop_unencrypted = 0;
__ieee80211_sta_join_ibss(sdata, bssid, sdata->vif.bss_conf.beacon_int,
ifibss->chandef.chan, ifibss->basic_rates,
&ifibss->chandef, ifibss->basic_rates,
capability, 0, true);
}
@ -1138,6 +1163,7 @@ int ieee80211_ibss_leave(struct ieee80211_sub_if_data *sdata)
clear_bit(SDATA_STATE_OFFCHANNEL_BEACON_STOPPED, &sdata->state);
ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_BEACON_ENABLED |
BSS_CHANGED_IBSS);
ieee80211_vif_release_channel(sdata);
synchronize_rcu();
kfree(presp);

3
net/mac80211/rc80211_minstrel_ht.c
View File

@ -828,6 +828,9 @@ minstrel_ht_update_cck(struct minstrel_priv *mp, struct minstrel_ht_sta *mi,
if (sband->band != IEEE80211_BAND_2GHZ)
return;
if (!(mp->hw->flags & IEEE80211_HW_SUPPORTS_HT_CCK_RATES))
return;
mi->cck_supported = 0;
mi->cck_supported_short = 0;
for (i = 0; i < 4; i++) {

67
net/netlink/genetlink.c
View File

@ -364,7 +364,7 @@ int genl_unregister_ops(struct genl_family *family, struct genl_ops *ops)
EXPORT_SYMBOL(genl_unregister_ops);
/**
* genl_register_family - register a generic netlink family
* __genl_register_family - register a generic netlink family
* @family: generic netlink family
*
* Registers the specified family after validating it first. Only one
@ -374,7 +374,7 @@ EXPORT_SYMBOL(genl_unregister_ops);
*
* Return 0 on success or a negative error code.
*/
int genl_register_family(struct genl_family *family)
int __genl_register_family(struct genl_family *family)
{
int err = -EINVAL;
@ -430,10 +430,10 @@ errout_locked:
errout:
return err;
}
EXPORT_SYMBOL(genl_register_family);
EXPORT_SYMBOL(__genl_register_family);
/**
* genl_register_family_with_ops - register a generic netlink family
* __genl_register_family_with_ops - register a generic netlink family
* @family: generic netlink family
* @ops: operations to be registered
* @n_ops: number of elements to register
@ -457,12 +457,12 @@ EXPORT_SYMBOL(genl_register_family);
*
* Return 0 on success or a negative error code.
*/
int genl_register_family_with_ops(struct genl_family *family,
int __genl_register_family_with_ops(struct genl_family *family,
struct genl_ops *ops, size_t n_ops)
{
int err, i;
err = genl_register_family(family);
err = __genl_register_family(family);
if (err)
return err;
@ -476,7 +476,7 @@ err_out:
genl_unregister_family(family);
return err;
}
EXPORT_SYMBOL(genl_register_family_with_ops);
EXPORT_SYMBOL(__genl_register_family_with_ops);
/**
* genl_unregister_family - unregister generic netlink family
@ -544,6 +544,30 @@ void *genlmsg_put(struct sk_buff *skb, u32 portid, u32 seq,
}
EXPORT_SYMBOL(genlmsg_put);
static int genl_lock_dumpit(struct sk_buff *skb, struct netlink_callback *cb)
{
struct genl_ops *ops = cb->data;
int rc;
genl_lock();
rc = ops->dumpit(skb, cb);
genl_unlock();
return rc;
}
static int genl_lock_done(struct netlink_callback *cb)
{
struct genl_ops *ops = cb->data;
int rc = 0;
if (ops->done) {
genl_lock();
rc = ops->done(cb);
genl_unlock();
}
return rc;
}
static int genl_family_rcv_msg(struct genl_family *family,
struct sk_buff *skb,
struct nlmsghdr *nlh)
@ -572,15 +596,34 @@ static int genl_family_rcv_msg(struct genl_family *family,
return -EPERM;
if ((nlh->nlmsg_flags & NLM_F_DUMP) == NLM_F_DUMP) {
struct netlink_dump_control c = {
.dump = ops->dumpit,
.done = ops->done,
};
int rc;
if (ops->dumpit == NULL)
return -EOPNOTSUPP;
return netlink_dump_start(net->genl_sock, skb, nlh, &c);
if (!family->parallel_ops) {
struct netlink_dump_control c = {
.module = family->module,
.data = ops,
.dump = genl_lock_dumpit,
.done = genl_lock_done,
};
genl_unlock();
rc = __netlink_dump_start(net->genl_sock, skb, nlh, &c);
genl_lock();
} else {
struct netlink_dump_control c = {
.module = family->module,
.dump = ops->dumpit,
.done = ops->done,
};
rc = __netlink_dump_start(net->genl_sock, skb, nlh, &c);
}
return rc;
}
if (ops->doit == NULL)

9
net/sunrpc/xdr.c
View File

@ -207,10 +207,13 @@ _shift_data_right_pages(struct page **pages, size_t pgto_base,
pgfrom_base -= copy;
vto = kmap_atomic(*pgto);
vfrom = kmap_atomic(*pgfrom);
memmove(vto + pgto_base, vfrom + pgfrom_base, copy);
if (*pgto != *pgfrom) {
vfrom = kmap_atomic(*pgfrom);
memcpy(vto + pgto_base, vfrom + pgfrom_base, copy);
kunmap_atomic(vfrom);
} else
memmove(vto + pgto_base, vto + pgfrom_base, copy);
flush_dcache_page(*pgto);
kunmap_atomic(vfrom);
kunmap_atomic(vto);
} while ((len -= copy) != 0);

4
net/tipc/socket.c
View File

@ -1257,7 +1257,7 @@ static u32 filter_connect(struct tipc_sock *tsock, struct sk_buff **buf)
/* Accept only ACK or NACK message */
if (unlikely(msg_errcode(msg))) {
sock->state = SS_DISCONNECTING;
sk->sk_err = -ECONNREFUSED;
sk->sk_err = ECONNREFUSED;
retval = TIPC_OK;
break;
}
@ -1268,7 +1268,7 @@ static u32 filter_connect(struct tipc_sock *tsock, struct sk_buff **buf)
res = auto_connect(sock, msg);
if (res) {
sock->state = SS_DISCONNECTING;
sk->sk_err = res;
sk->sk_err = -res;
retval = TIPC_OK;
break;
}

21
net/xfrm/xfrm_output.c
View File

@ -214,5 +214,26 @@ int xfrm_inner_extract_output(struct xfrm_state *x, struct sk_buff *skb)
return inner_mode->afinfo->extract_output(x, skb);
}
void xfrm_local_error(struct sk_buff *skb, int mtu)
{
unsigned int proto;
struct xfrm_state_afinfo *afinfo;
if (skb->protocol == htons(ETH_P_IP))
proto = AF_INET;
else if (skb->protocol == htons(ETH_P_IPV6))
proto = AF_INET6;
else
return;
afinfo = xfrm_state_get_afinfo(proto);
if (!afinfo)
return;
afinfo->local_error(skb, mtu);
xfrm_state_put_afinfo(afinfo);
}
EXPORT_SYMBOL_GPL(xfrm_output);
EXPORT_SYMBOL_GPL(xfrm_inner_extract_output);
EXPORT_SYMBOL_GPL(xfrm_local_error);

9
net/xfrm/xfrm_policy.c
View File

@ -320,10 +320,8 @@ static void xfrm_queue_purge(struct sk_buff_head *list)
{
struct sk_buff *skb;
while ((skb = skb_dequeue(list)) != NULL) {
dev_put(skb->dev);
while ((skb = skb_dequeue(list)) != NULL)
kfree_skb(skb);
}
}
/* Rule must be locked. Release descentant resources, announce
@ -1758,7 +1756,6 @@ static void xfrm_policy_queue_process(unsigned long arg)
struct sk_buff *skb;
struct sock *sk;
struct dst_entry *dst;
struct net_device *dev;
struct xfrm_policy *pol = (struct xfrm_policy *)arg;
struct xfrm_policy_queue *pq = &pol->polq;
struct flowi fl;
@ -1805,7 +1802,6 @@ static void xfrm_policy_queue_process(unsigned long arg)
dst = xfrm_lookup(xp_net(pol), skb_dst(skb)->path,
&fl, skb->sk, 0);
if (IS_ERR(dst)) {
dev_put(skb->dev);
kfree_skb(skb);
continue;
}
@ -1814,9 +1810,7 @@ static void xfrm_policy_queue_process(unsigned long arg)
skb_dst_drop(skb);
skb_dst_set(skb, dst);
dev = skb->dev;
err = dst_output(skb);
dev_put(dev);
}
return;
@ -1839,7 +1833,6 @@ static int xdst_queue_output(struct sk_buff *skb)
}
skb_dst_force(skb);
dev_hold(skb->dev);
spin_lock_bh(&pq->hold_queue.lock);

7
net/xfrm/xfrm_state.c
View File

@ -39,9 +39,6 @@ static DEFINE_SPINLOCK(xfrm_state_lock);
static unsigned int xfrm_state_hashmax __read_mostly = 1 * 1024 * 1024;
static struct xfrm_state_afinfo *xfrm_state_get_afinfo(unsigned int family);
static void xfrm_state_put_afinfo(struct xfrm_state_afinfo *afinfo);
static inline unsigned int xfrm_dst_hash(struct net *net,
const xfrm_address_t *daddr,
const xfrm_address_t *saddr,
@ -1860,7 +1857,7 @@ int xfrm_state_unregister_afinfo(struct xfrm_state_afinfo *afinfo)
}
EXPORT_SYMBOL(xfrm_state_unregister_afinfo);
static struct xfrm_state_afinfo *xfrm_state_get_afinfo(unsigned int family)
struct xfrm_state_afinfo *xfrm_state_get_afinfo(unsigned int family)
{
struct xfrm_state_afinfo *afinfo;
if (unlikely(family >= NPROTO))
@ -1872,7 +1869,7 @@ static struct xfrm_state_afinfo *xfrm_state_get_afinfo(unsigned int family)
return afinfo;
}
static void xfrm_state_put_afinfo(struct xfrm_state_afinfo *afinfo)
void xfrm_state_put_afinfo(struct xfrm_state_afinfo *afinfo)
{
rcu_read_unlock();
}

8
sound/isa/opti9xx/opti92x-ad1848.c
View File

@ -173,11 +173,7 @@ MODULE_DEVICE_TABLE(pnp_card, snd_opti9xx_pnpids);
#endif /* CONFIG_PNP */
#ifdef OPTi93X
#define DEV_NAME "opti93x"
#else
#define DEV_NAME "opti92x"
#endif
#define DEV_NAME KBUILD_MODNAME
static char * snd_opti9xx_names[] = {
"unknown",
@ -1167,7 +1163,7 @@ static int snd_opti9xx_pnp_resume(struct pnp_card_link *pcard)
static struct pnp_card_driver opti9xx_pnpc_driver = {
.flags = PNP_DRIVER_RES_DISABLE,
.name = "opti9xx",
.name = DEV_NAME,
.id_table = snd_opti9xx_pnpids,
.probe = snd_opti9xx_pnp_probe,
.remove = snd_opti9xx_pnp_remove,

3
sound/pci/hda/patch_hdmi.c
View File

@ -1781,6 +1781,9 @@ static int generic_hdmi_build_controls(struct hda_codec *codec)
struct snd_pcm_chmap *chmap;
struct snd_kcontrol *kctl;
int i;
if (!codec->pcm_info[pin_idx].pcm)
break;
err = snd_pcm_add_chmap_ctls(codec->pcm_info[pin_idx].pcm,
SNDRV_PCM_STREAM_PLAYBACK,
NULL, 0, pin_idx, &chmap);

1
sound/pci/hda/patch_realtek.c
View File

@ -4336,6 +4336,7 @@ static const struct hda_fixup alc662_fixups[] = {
static const struct snd_pci_quirk alc662_fixup_tbl[] = {
SND_PCI_QUIRK(0x1019, 0x9087, "ECS", ALC662_FIXUP_ASUS_MODE2),
SND_PCI_QUIRK(0x1025, 0x022f, "Acer Aspire One", ALC662_FIXUP_INV_DMIC),
SND_PCI_QUIRK(0x1025, 0x0308, "Acer Aspire 8942G", ALC662_FIXUP_ASPIRE),
SND_PCI_QUIRK(0x1025, 0x031c, "Gateway NV79", ALC662_FIXUP_SKU_IGNORE),
SND_PCI_QUIRK(0x1025, 0x0349, "eMachines eM250", ALC662_FIXUP_INV_DMIC),