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Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net

This commit is contained in:
David S. Miller 2016-01-06 22:54:18 -05:00
parent c7f5d10549 51cb67c0b0
commit 9e0efaf6b4
32 changed files with 173 additions and 134 deletions
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2
Makefile
View File

@ -1,7 +1,7 @@
VERSION = 4
PATCHLEVEL = 4
SUBLEVEL = 0
EXTRAVERSION = -rc7
EXTRAVERSION = -rc8
NAME = Blurry Fish Butt
# *DOCUMENTATION*

17
arch/arm/net/bpf_jit_32.c
View File

@ -187,19 +187,6 @@ static inline int mem_words_used(struct jit_ctx *ctx)
return fls(ctx->seen & SEEN_MEM);
}
static inline bool is_load_to_a(u16 inst)
{
switch (inst) {
case BPF_LD | BPF_W | BPF_LEN:
case BPF_LD | BPF_W | BPF_ABS:
case BPF_LD | BPF_H | BPF_ABS:
case BPF_LD | BPF_B | BPF_ABS:
return true;
default:
return false;
}
}
static void jit_fill_hole(void *area, unsigned int size)
{
u32 *ptr;
@ -211,7 +198,6 @@ static void jit_fill_hole(void *area, unsigned int size)
static void build_prologue(struct jit_ctx *ctx)
{
u16 reg_set = saved_regs(ctx);
u16 first_inst = ctx->skf->insns[0].code;
u16 off;
#ifdef CONFIG_FRAME_POINTER
@ -241,7 +227,7 @@ static void build_prologue(struct jit_ctx *ctx)
emit(ARM_MOV_I(r_X, 0), ctx);
/* do not leak kernel data to userspace */
if ((first_inst != (BPF_RET | BPF_K)) && !(is_load_to_a(first_inst)))
if (bpf_needs_clear_a(&ctx->skf->insns[0]))
emit(ARM_MOV_I(r_A, 0), ctx);
/* stack space for the BPF_MEM words */
@ -770,6 +756,7 @@ static int build_body(struct jit_ctx *ctx)
case BPF_ALU | BPF_RSH | BPF_K:
if (unlikely(k > 31))
return -1;
if (k)
emit(ARM_LSR_I(r_A, r_A, k), ctx);
break;
case BPF_ALU | BPF_RSH | BPF_X:

16
arch/mips/net/bpf_jit.c
View File

@ -521,19 +521,6 @@ static inline u16 align_sp(unsigned int num)
return num;
}
static bool is_load_to_a(u16 inst)
{
switch (inst) {
case BPF_LD | BPF_W | BPF_LEN:
case BPF_LD | BPF_W | BPF_ABS:
case BPF_LD | BPF_H | BPF_ABS:
case BPF_LD | BPF_B | BPF_ABS:
return true;
default:
return false;
}
}
static void save_bpf_jit_regs(struct jit_ctx *ctx, unsigned offset)
{
int i = 0, real_off = 0;
@ -614,7 +601,6 @@ static unsigned int get_stack_depth(struct jit_ctx *ctx)
static void build_prologue(struct jit_ctx *ctx)
{
u16 first_inst = ctx->skf->insns[0].code;
int sp_off;
/* Calculate the total offset for the stack pointer */
@ -641,7 +627,7 @@ static void build_prologue(struct jit_ctx *ctx)
emit_jit_reg_move(r_X, r_zero, ctx);
/* Do not leak kernel data to userspace */
if ((first_inst != (BPF_RET | BPF_K)) && !(is_load_to_a(first_inst)))
if (bpf_needs_clear_a(&ctx->skf->insns[0]))
emit_jit_reg_move(r_A, r_zero, ctx);
}

2
arch/mips/vdso/Makefile
View File

@ -26,7 +26,7 @@ aflags-vdso := $(ccflags-vdso) \
# the comments on that file.
#
ifndef CONFIG_CPU_MIPSR6
ifeq ($(call ld-ifversion, -lt, 22500000, y),)
ifeq ($(call ld-ifversion, -lt, 22500000, y),y)
$(warning MIPS VDSO requires binutils >= 2.25)
obj-vdso-y := $(filter-out gettimeofday.o, $(obj-vdso-y))
ccflags-vdso += -DDISABLE_MIPS_VDSO

11
arch/powerpc/net/bpf_jit_comp.c
View File

@ -78,18 +78,9 @@ static void bpf_jit_build_prologue(struct bpf_prog *fp, u32 *image,
PPC_LI(r_X, 0);
}
switch (filter[0].code) {
case BPF_RET | BPF_K:
case BPF_LD | BPF_W | BPF_LEN:
case BPF_LD | BPF_W | BPF_ABS:
case BPF_LD | BPF_H | BPF_ABS:
case BPF_LD | BPF_B | BPF_ABS:
/* first instruction sets A register (or is RET 'constant') */
break;
default:
/* make sure we dont leak kernel information to user */
if (bpf_needs_clear_a(&filter[0]))
PPC_LI(r_A, 0);
}
}
static void bpf_jit_build_epilogue(u32 *image, struct codegen_context *ctx)

17
arch/sparc/net/bpf_jit_comp.c
View File

@ -420,22 +420,9 @@ void bpf_jit_compile(struct bpf_prog *fp)
}
emit_reg_move(O7, r_saved_O7);
switch (filter[0].code) {
case BPF_RET | BPF_K:
case BPF_LD | BPF_W | BPF_LEN:
case BPF_LD | BPF_W | BPF_ABS:
case BPF_LD | BPF_H | BPF_ABS:
case BPF_LD | BPF_B | BPF_ABS:
/* The first instruction sets the A register (or is
* a "RET 'constant'")
*/
break;
default:
/* Make sure we dont leak kernel information to the
* user.
*/
/* Make sure we dont leak kernel information to the user. */
if (bpf_needs_clear_a(&filter[0]))
emit_clear(r_A); /* A = 0 */
}
for (i = 0; i < flen; i++) {
unsigned int K = filter[i].k;

11
arch/tile/Kconfig
View File

@ -176,8 +176,6 @@ config NR_CPUS
smaller kernel memory footprint results from using a smaller
value on chips with fewer tiles.
if TILEGX
choice
prompt "Kernel page size"
default PAGE_SIZE_64KB
@ -188,8 +186,11 @@ choice
connections, etc., it may be better to select 16KB, which uses
memory more efficiently at some cost in TLB performance.
Note that this option is TILE-Gx specific; currently
TILEPro page size is set by rebuilding the hypervisor.
Note that for TILEPro, you must also rebuild the hypervisor
with a matching page size.
config PAGE_SIZE_4KB
bool "4KB" if TILEPRO
config PAGE_SIZE_16KB
bool "16KB"
@ -199,8 +200,6 @@ config PAGE_SIZE_64KB
endchoice
endif
source "kernel/Kconfig.hz"
config KEXEC

8
arch/tile/include/asm/page.h
View File

@ -20,15 +20,17 @@
#include <arch/chip.h>
/* PAGE_SHIFT and HPAGE_SHIFT determine the page sizes. */
#if defined(CONFIG_PAGE_SIZE_16KB)
#if defined(CONFIG_PAGE_SIZE_4KB) /* tilepro only */
#define PAGE_SHIFT 12
#define CTX_PAGE_FLAG HV_CTX_PG_SM_4K
#elif defined(CONFIG_PAGE_SIZE_16KB)
#define PAGE_SHIFT 14
#define CTX_PAGE_FLAG HV_CTX_PG_SM_16K
#elif defined(CONFIG_PAGE_SIZE_64KB)
#define PAGE_SHIFT 16
#define CTX_PAGE_FLAG HV_CTX_PG_SM_64K
#else
#define PAGE_SHIFT HV_LOG2_DEFAULT_PAGE_SIZE_SMALL
#define CTX_PAGE_FLAG 0
#error Page size not specified in Kconfig
#endif
#define HPAGE_SHIFT HV_LOG2_DEFAULT_PAGE_SIZE_LARGE

11
drivers/connector/connector.c
View File

@ -179,26 +179,21 @@ static int cn_call_callback(struct sk_buff *skb)
*
* It checks skb, netlink header and msg sizes, and calls callback helper.
*/
static void cn_rx_skb(struct sk_buff *__skb)
static void cn_rx_skb(struct sk_buff *skb)
{
struct nlmsghdr *nlh;
struct sk_buff *skb;
int len, err;
skb = skb_get(__skb);
if (skb->len >= NLMSG_HDRLEN) {
nlh = nlmsg_hdr(skb);
len = nlmsg_len(nlh);
if (len < (int)sizeof(struct cn_msg) ||
skb->len < nlh->nlmsg_len ||
len > CONNECTOR_MAX_MSG_SIZE) {
kfree_skb(skb);
len > CONNECTOR_MAX_MSG_SIZE)
return;
}
err = cn_call_callback(skb);
err = cn_call_callback(skb_get(skb));
if (err < 0)
kfree_skb(skb);
}

12
drivers/gpu/drm/i915/intel_display.c
View File

@ -12123,18 +12123,22 @@ static void intel_dump_pipe_config(struct intel_crtc *crtc,
static bool check_digital_port_conflicts(struct drm_atomic_state *state)
{
struct drm_device *dev = state->dev;
struct intel_encoder *encoder;
struct drm_connector *connector;
struct drm_connector_state *connector_state;
unsigned int used_ports = 0;
int i;
/*
* Walk the connector list instead of the encoder
* list to detect the problem on ddi platforms
* where there's just one encoder per digital port.
*/
for_each_connector_in_state(state, connector, connector_state, i) {
drm_for_each_connector(connector, dev) {
struct drm_connector_state *connector_state;
struct intel_encoder *encoder;
connector_state = drm_atomic_get_existing_connector_state(state, connector);
if (!connector_state)
connector_state = connector->state;
if (!connector_state->best_encoder)
continue;

2
drivers/gpu/drm/i915/intel_hdmi.c
View File

@ -1381,7 +1381,7 @@ intel_hdmi_detect(struct drm_connector *connector, bool force)
intel_display_power_get(dev_priv, POWER_DOMAIN_GMBUS);
for (try = 0; !live_status && try < 4; try++) {
for (try = 0; !live_status && try < 9; try++) {
if (try)
msleep(10);
live_status = intel_digital_port_connected(dev_priv,

4
drivers/net/ethernet/chelsio/cxgb4/clip_tbl.c
View File

@ -306,6 +306,10 @@ struct clip_tbl *t4_init_clip_tbl(unsigned int clipt_start,
INIT_LIST_HEAD(&ctbl->hash_list[i]);
cl_list = t4_alloc_mem(clipt_size*sizeof(struct clip_entry));
if (!cl_list) {
t4_free_mem(ctbl);
return NULL;
}
ctbl->cl_list = (void *)cl_list;
for (i = 0; i < clipt_size; i++) {

4
drivers/net/ethernet/qlogic/qlcnic/qlcnic_ctx.c
View File

@ -772,8 +772,10 @@ int qlcnic_82xx_config_intrpt(struct qlcnic_adapter *adapter, u8 op_type)
int i, err = 0;
for (i = 0; i < ahw->num_msix; i++) {
qlcnic_alloc_mbx_args(&cmd, adapter,
err = qlcnic_alloc_mbx_args(&cmd, adapter,
QLCNIC_CMD_MQ_TX_CONFIG_INTR);
if (err)
return err;
type = op_type ? QLCNIC_INTRPT_ADD : QLCNIC_INTRPT_DEL;
val = type | (ahw->intr_tbl[i].type << 4);
if (ahw->intr_tbl[i].type == QLCNIC_INTRPT_MSIX)

6
drivers/net/hamradio/6pack.c
View File

@ -683,6 +683,12 @@ static void sixpack_close(struct tty_struct *tty)
if (!atomic_dec_and_test(&sp->refcnt))
down(&sp->dead_sem);
/* We must stop the queue to avoid potentially scribbling
* on the free buffers. The sp->dead_sem is not sufficient
* to protect us from sp->xbuff access.
*/
netif_stop_queue(sp->dev);
del_timer_sync(&sp->tx_t);
del_timer_sync(&sp->resync_t);

5
drivers/net/hamradio/mkiss.c
View File

@ -797,6 +797,11 @@ static void mkiss_close(struct tty_struct *tty)
*/
if (!atomic_dec_and_test(&ax->refcnt))
down(&ax->dead_sem);
/*
* Halt the transmit queue so that a new transmit cannot scribble
* on our buffers
*/
netif_stop_queue(ax->dev);
/* Free all AX25 frame buffers. */
kfree(ax->rbuff);

1
drivers/net/usb/qmi_wwan.c
View File

@ -885,6 +885,7 @@ static const struct usb_device_id products[] = {
{QMI_FIXED_INTF(0x413c, 0x81a9, 8)}, /* Dell Wireless 5808e Gobi(TM) 4G LTE Mobile Broadband Card */
{QMI_FIXED_INTF(0x413c, 0x81b1, 8)}, /* Dell Wireless 5809e Gobi(TM) 4G LTE Mobile Broadband Card */
{QMI_FIXED_INTF(0x03f0, 0x4e1d, 8)}, /* HP lt4111 LTE/EV-DO/HSPA+ Gobi 4G Module */
{QMI_FIXED_INTF(0x22de, 0x9061, 3)}, /* WeTelecom WPD-600N */
/* 4. Gobi 1000 devices */
{QMI_GOBI1K_DEVICE(0x05c6, 0x9212)}, /* Acer Gobi Modem Device */

10
drivers/net/usb/r8152.c
View File

@ -3525,6 +3525,14 @@ static int rtl8152_resume(struct usb_interface *intf)
return 0;
}
static int rtl8152_reset_resume(struct usb_interface *intf)
{
struct r8152 *tp = usb_get_intfdata(intf);
clear_bit(SELECTIVE_SUSPEND, &tp->flags);
return rtl8152_resume(intf);
}
static void rtl8152_get_wol(struct net_device *dev, struct ethtool_wolinfo *wol)
{
struct r8152 *tp = netdev_priv(dev);
@ -4276,7 +4284,7 @@ static struct usb_driver rtl8152_driver = {
.disconnect = rtl8152_disconnect,
.suspend = rtl8152_suspend,
.resume = rtl8152_resume,
.reset_resume = rtl8152_resume,
.reset_resume = rtl8152_reset_resume,
.pre_reset = rtl8152_pre_reset,
.post_reset = rtl8152_post_reset,
.supports_autosuspend = 1,

4
drivers/net/vmxnet3/vmxnet3_drv.c
View File

@ -1380,8 +1380,8 @@ vmxnet3_rq_rx_complete(struct vmxnet3_rx_queue *rq,
skip_page_frags = true;
goto rcd_done;
}
new_dma_addr = dma_map_page(&adapter->pdev->dev
, rbi->page,
new_dma_addr = dma_map_page(&adapter->pdev->dev,
new_page,
0, PAGE_SIZE,
PCI_DMA_FROMDEVICE);
if (dma_mapping_error(&adapter->pdev->dev,

4
drivers/net/vmxnet3/vmxnet3_int.h
View File

@ -69,10 +69,10 @@
/*
* Version numbers
*/
#define VMXNET3_DRIVER_VERSION_STRING "1.4.4.0-k"
#define VMXNET3_DRIVER_VERSION_STRING "1.4.5.0-k"
/* a 32-bit int, each byte encode a verion number in VMXNET3_DRIVER_VERSION */
#define VMXNET3_DRIVER_VERSION_NUM 0x01040400
#define VMXNET3_DRIVER_VERSION_NUM 0x01040500
#if defined(CONFIG_PCI_MSI)
/* RSS only makes sense if MSI-X is supported. */

10
drivers/net/vrf.c
View File

@ -742,7 +742,7 @@ static struct rtable *vrf_get_rtable(const struct net_device *dev,
}
/* called under rcu_read_lock */
static void vrf_get_saddr(struct net_device *dev, struct flowi4 *fl4)
static int vrf_get_saddr(struct net_device *dev, struct flowi4 *fl4)
{
struct fib_result res = { .tclassid = 0 };
struct net *net = dev_net(dev);
@ -750,9 +750,10 @@ static void vrf_get_saddr(struct net_device *dev, struct flowi4 *fl4)
u8 flags = fl4->flowi4_flags;
u8 scope = fl4->flowi4_scope;
u8 tos = RT_FL_TOS(fl4);
int rc;
if (unlikely(!fl4->daddr))
return;
return 0;
fl4->flowi4_flags |= FLOWI_FLAG_SKIP_NH_OIF;
fl4->flowi4_iif = LOOPBACK_IFINDEX;
@ -760,7 +761,8 @@ static void vrf_get_saddr(struct net_device *dev, struct flowi4 *fl4)
fl4->flowi4_scope = ((tos & RTO_ONLINK) ?
RT_SCOPE_LINK : RT_SCOPE_UNIVERSE);
if (!fib_lookup(net, fl4, &res, 0)) {
rc = fib_lookup(net, fl4, &res, 0);
if (!rc) {
if (res.type == RTN_LOCAL)
fl4->saddr = res.fi->fib_prefsrc ? : fl4->daddr;
else
@ -770,6 +772,8 @@ static void vrf_get_saddr(struct net_device *dev, struct flowi4 *fl4)
fl4->flowi4_flags = flags;
fl4->flowi4_tos = orig_tos;
fl4->flowi4_scope = scope;
return rc;
}
#if IS_ENABLED(CONFIG_IPV6)

19
include/linux/filter.h
View File

@ -495,6 +495,25 @@ static inline void bpf_jit_free(struct bpf_prog *fp)
#define BPF_ANC BIT(15)
static inline bool bpf_needs_clear_a(const struct sock_filter *first)
{
switch (first->code) {
case BPF_RET | BPF_K:
case BPF_LD | BPF_W | BPF_LEN:
return false;
case BPF_LD | BPF_W | BPF_ABS:
case BPF_LD | BPF_H | BPF_ABS:
case BPF_LD | BPF_B | BPF_ABS:
if (first->k == SKF_AD_OFF + SKF_AD_ALU_XOR_X)
return true;
return false;
default:
return true;
}
}
static inline u16 bpf_anc_helper(const struct sock_filter *ftest)
{
BUG_ON(ftest->code & BPF_ANC);

12
include/net/l3mdev.h
View File

@ -29,7 +29,7 @@ struct l3mdev_ops {
/* IPv4 ops */
struct rtable * (*l3mdev_get_rtable)(const struct net_device *dev,
const struct flowi4 *fl4);
void (*l3mdev_get_saddr)(struct net_device *dev,
int (*l3mdev_get_saddr)(struct net_device *dev,
struct flowi4 *fl4);
/* IPv6 ops */
@ -130,10 +130,11 @@ static inline bool netif_index_is_l3_master(struct net *net, int ifindex)
return rc;
}
static inline void l3mdev_get_saddr(struct net *net, int ifindex,
static inline int l3mdev_get_saddr(struct net *net, int ifindex,
struct flowi4 *fl4)
{
struct net_device *dev;
int rc = 0;
if (ifindex) {
@ -142,11 +143,13 @@ static inline void l3mdev_get_saddr(struct net *net, int ifindex,
dev = dev_get_by_index_rcu(net, ifindex);
if (dev && netif_is_l3_master(dev) &&
dev->l3mdev_ops->l3mdev_get_saddr) {
dev->l3mdev_ops->l3mdev_get_saddr(dev, fl4);
rc = dev->l3mdev_ops->l3mdev_get_saddr(dev, fl4);
}
rcu_read_unlock();
}
return rc;
}
static inline struct dst_entry *l3mdev_get_rt6_dst(const struct net_device *dev,
@ -223,9 +226,10 @@ static inline bool netif_index_is_l3_master(struct net *net, int ifindex)
return false;
}
static inline void l3mdev_get_saddr(struct net *net, int ifindex,
static inline int l3mdev_get_saddr(struct net *net, int ifindex,
struct flowi4 *fl4)
{
return 0;
}
static inline

7
include/net/route.h
View File

@ -283,7 +283,12 @@ static inline struct rtable *ip_route_connect(struct flowi4 *fl4,
sport, dport, sk);
if (!src && oif) {
l3mdev_get_saddr(net, oif, fl4);
int rc;
rc = l3mdev_get_saddr(net, oif, fl4);
if (rc < 0)
return ERR_PTR(rc);
src = fl4->saddr;
}
if (!dst || !src) {

1
kernel/trace/trace_printk.c
View File

@ -273,6 +273,7 @@ static const char **find_next(void *v, loff_t *pos)
if (*pos < last_index + start_index)
return __start___tracepoint_str + (*pos - last_index);
start_index += last_index;
return find_next_mod_format(start_index, v, fmt, pos);
}

3
net/bridge/br_stp_if.c
View File

@ -143,7 +143,10 @@ static void br_stp_start(struct net_bridge *br)
char *envp[] = { NULL };
struct net_bridge_port *p;
if (net_eq(dev_net(br->dev), &init_net))
r = call_usermodehelper(BR_STP_PROG, argv, envp, UMH_WAIT_PROC);
else
r = -ENOENT;
spin_lock_bh(&br->lock);

3
net/core/dst.c
View File

@ -301,12 +301,13 @@ void dst_release(struct dst_entry *dst)
{
if (dst) {
int newrefcnt;
unsigned short nocache = dst->flags & DST_NOCACHE;
newrefcnt = atomic_dec_return(&dst->__refcnt);
if (unlikely(newrefcnt < 0))
net_warn_ratelimited("%s: dst:%p refcnt:%d\n",
__func__, dst, newrefcnt);
if (!newrefcnt && unlikely(dst->flags & DST_NOCACHE))
if (!newrefcnt && unlikely(nocache))
call_rcu(&dst->rcu_head, dst_destroy_rcu);
}
}

7
net/ipv4/raw.c
View File

@ -601,8 +601,11 @@ static int raw_sendmsg(struct sock *sk, struct msghdr *msg, size_t len)
(inet->hdrincl ? FLOWI_FLAG_KNOWN_NH : 0),
daddr, saddr, 0, 0);
if (!saddr && ipc.oif)
l3mdev_get_saddr(net, ipc.oif, &fl4);
if (!saddr && ipc.oif) {
err = l3mdev_get_saddr(net, ipc.oif, &fl4);
if (err < 0)
goto done;
}
if (!inet->hdrincl) {
rfv.msg = msg;

3
net/ipv4/tcp_input.c
View File

@ -2478,6 +2478,9 @@ static void tcp_cwnd_reduction(struct sock *sk, const int prior_unsacked,
int newly_acked_sacked = prior_unsacked -
(tp->packets_out - tp->sacked_out);
if (newly_acked_sacked <= 0 || WARN_ON_ONCE(!tp->prior_cwnd))
return;
tp->prr_delivered += newly_acked_sacked;
if (delta < 0) {
u64 dividend = (u64)tp->snd_ssthresh * tp->prr_delivered +

7
net/ipv4/udp.c
View File

@ -1097,8 +1097,11 @@ int udp_sendmsg(struct sock *sk, struct msghdr *msg, size_t len)
flow_flags,
faddr, saddr, dport, inet->inet_sport);
if (!saddr && ipc.oif)
l3mdev_get_saddr(net, ipc.oif, fl4);
if (!saddr && ipc.oif) {
err = l3mdev_get_saddr(net, ipc.oif, fl4);
if (err < 0)
goto out;
}
security_sk_classify_flow(sk, flowi4_to_flowi(fl4));
rt = ip_route_output_flow(net, fl4, sk);

4
net/sched/sch_generic.c
View File

@ -658,8 +658,10 @@ static void qdisc_rcu_free(struct rcu_head *head)
{
struct Qdisc *qdisc = container_of(head, struct Qdisc, rcu_head);
if (qdisc_is_percpu_stats(qdisc))
if (qdisc_is_percpu_stats(qdisc)) {
free_percpu(qdisc->cpu_bstats);
free_percpu(qdisc->cpu_qstats);
}
kfree((char *) qdisc - qdisc->padded);
}

66
net/unix/af_unix.c
View File

@ -953,32 +953,20 @@ static struct sock *unix_find_other(struct net *net,
return NULL;
}
static int unix_mknod(const char *sun_path, umode_t mode, struct path *res)
static int unix_mknod(struct dentry *dentry, struct path *path, umode_t mode,
struct path *res)
{
struct dentry *dentry;
struct path path;
int err = 0;
/*
* Get the parent directory, calculate the hash for last
* component.
*/
dentry = kern_path_create(AT_FDCWD, sun_path, &path, 0);
err = PTR_ERR(dentry);
if (IS_ERR(dentry))
return err;
int err;
/*
* All right, let's create it.
*/
err = security_path_mknod(&path, dentry, mode, 0);
err = security_path_mknod(path, dentry, mode, 0);
if (!err) {
err = vfs_mknod(d_inode(path.dentry), dentry, mode, 0);
err = vfs_mknod(d_inode(path->dentry), dentry, mode, 0);
if (!err) {
res->mnt = mntget(path.mnt);
res->mnt = mntget(path->mnt);
res->dentry = dget(dentry);
}
}
done_path_create(&path, dentry);
return err;
}
@ -989,10 +977,12 @@ static int unix_bind(struct socket *sock, struct sockaddr *uaddr, int addr_len)
struct unix_sock *u = unix_sk(sk);
struct sockaddr_un *sunaddr = (struct sockaddr_un *)uaddr;
char *sun_path = sunaddr->sun_path;
int err;
int err, name_err;
unsigned int hash;
struct unix_address *addr;
struct hlist_head *list;
struct path path;
struct dentry *dentry;
err = -EINVAL;
if (sunaddr->sun_family != AF_UNIX)
@ -1008,14 +998,34 @@ static int unix_bind(struct socket *sock, struct sockaddr *uaddr, int addr_len)
goto out;
addr_len = err;
name_err = 0;
dentry = NULL;
if (sun_path[0]) {
/* Get the parent directory, calculate the hash for last
* component.
*/
dentry = kern_path_create(AT_FDCWD, sun_path, &path, 0);
if (IS_ERR(dentry)) {
/* delay report until after 'already bound' check */
name_err = PTR_ERR(dentry);
dentry = NULL;
}
}
err = mutex_lock_interruptible(&u->readlock);
if (err)
goto out;
goto out_path;
err = -EINVAL;
if (u->addr)
goto out_up;
if (name_err) {
err = name_err == -EEXIST ? -EADDRINUSE : name_err;
goto out_up;
}
err = -ENOMEM;
addr = kmalloc(sizeof(*addr)+addr_len, GFP_KERNEL);
if (!addr)
@ -1026,11 +1036,11 @@ static int unix_bind(struct socket *sock, struct sockaddr *uaddr, int addr_len)
addr->hash = hash ^ sk->sk_type;
atomic_set(&addr->refcnt, 1);
if (sun_path[0]) {
struct path path;
if (dentry) {
struct path u_path;
umode_t mode = S_IFSOCK |
(SOCK_INODE(sock)->i_mode & ~current_umask());
err = unix_mknod(sun_path, mode, &path);
err = unix_mknod(dentry, &path, mode, &u_path);
if (err) {
if (err == -EEXIST)
err = -EADDRINUSE;
@ -1038,9 +1048,9 @@ static int unix_bind(struct socket *sock, struct sockaddr *uaddr, int addr_len)
goto out_up;
}
addr->hash = UNIX_HASH_SIZE;
hash = d_backing_inode(path.dentry)->i_ino & (UNIX_HASH_SIZE-1);
hash = d_backing_inode(dentry)->i_ino & (UNIX_HASH_SIZE - 1);
spin_lock(&unix_table_lock);
u->path = path;
u->path = u_path;
list = &unix_socket_table[hash];
} else {
spin_lock(&unix_table_lock);
@ -1063,6 +1073,10 @@ static int unix_bind(struct socket *sock, struct sockaddr *uaddr, int addr_len)
spin_unlock(&unix_table_lock);
out_up:
mutex_unlock(&u->readlock);
out_path:
if (dentry)
done_path_create(&path, dentry);
out:
return err;
}

2
scripts/recordmcount.c
View File

@ -586,7 +586,7 @@ main(int argc, char *argv[])
do_file(file);
break;
case SJ_FAIL: /* error in do_file or below */
sprintf("%s: failed\n", file);
fprintf(stderr, "%s: failed\n", file);
++n_error;
break;
case SJ_SUCCEED: /* premature success */