diff options
author | David S. Miller <davem@davemloft.net> | 2014-03-14 22:31:55 -0400 |
---|---|---|
committer | David S. Miller <davem@davemloft.net> | 2014-03-14 22:31:55 -0400 |
commit | 85dcce7a73f1cc59f7a96fe52713b1630f4ca272 (patch) | |
tree | 6c645923eb2f0152073b90685ce80e46cfb7afed /net/socket.c | |
parent | 4c4e4113db249c828fffb286bc95ffb255e081f5 (diff) | |
parent | a4ecdf82f8ea49f7d3a072121dcbd0bf3a7cb93a (diff) |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
Conflicts:
drivers/net/usb/r8152.c
drivers/net/xen-netback/netback.c
Both the r8152 and netback conflicts were simple overlapping
changes.
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/socket.c')
-rw-r--r-- | net/socket.c | 17 |
1 files changed, 11 insertions, 6 deletions
diff --git a/net/socket.c b/net/socket.c index 840cffb7119b..f25eaa30b690 100644 --- a/net/socket.c +++ b/net/socket.c | |||
@@ -450,16 +450,17 @@ EXPORT_SYMBOL(sockfd_lookup); | |||
450 | 450 | ||
451 | static struct socket *sockfd_lookup_light(int fd, int *err, int *fput_needed) | 451 | static struct socket *sockfd_lookup_light(int fd, int *err, int *fput_needed) |
452 | { | 452 | { |
453 | struct file *file; | 453 | struct fd f = fdget(fd); |
454 | struct socket *sock; | 454 | struct socket *sock; |
455 | 455 | ||
456 | *err = -EBADF; | 456 | *err = -EBADF; |
457 | file = fget_light(fd, fput_needed); | 457 | if (f.file) { |
458 | if (file) { | 458 | sock = sock_from_file(f.file, err); |
459 | sock = sock_from_file(file, err); | 459 | if (likely(sock)) { |
460 | if (sock) | 460 | *fput_needed = f.flags; |
461 | return sock; | 461 | return sock; |
462 | fput_light(file, *fput_needed); | 462 | } |
463 | fdput(f); | ||
463 | } | 464 | } |
464 | return NULL; | 465 | return NULL; |
465 | } | 466 | } |
@@ -1985,6 +1986,10 @@ static int copy_msghdr_from_user(struct msghdr *kmsg, | |||
1985 | { | 1986 | { |
1986 | if (copy_from_user(kmsg, umsg, sizeof(struct msghdr))) | 1987 | if (copy_from_user(kmsg, umsg, sizeof(struct msghdr))) |
1987 | return -EFAULT; | 1988 | return -EFAULT; |
1989 | |||
1990 | if (kmsg->msg_namelen < 0) | ||
1991 | return -EINVAL; | ||
1992 | |||
1988 | if (kmsg->msg_namelen > sizeof(struct sockaddr_storage)) | 1993 | if (kmsg->msg_namelen > sizeof(struct sockaddr_storage)) |
1989 | kmsg->msg_namelen = sizeof(struct sockaddr_storage); | 1994 | kmsg->msg_namelen = sizeof(struct sockaddr_storage); |
1990 | return 0; | 1995 | return 0; |