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authorRobert Richter <robert.richter@amd.com>2009-06-10 21:47:10 +0200
committerRobert Richter <robert.richter@amd.com>2009-06-10 21:47:10 +0200
commit0886751c5d8b19fcee2e65d34ae21c9111e652a9 (patch)
tree015e8c2b3d44d46e9e8fccd016340c51bc876d3b /net/ipv4/tcp.c
parent7e4e0bd50e80df2fe5501f48f872448376cdd997 (diff)
parent07a2039b8eb0af4ff464efd3dfd95de5c02648c6 (diff)
Merge commit 'v2.6.30' into oprofile/master
Diffstat (limited to 'net/ipv4/tcp.c')
-rw-r--r--net/ipv4/tcp.c5
1 files changed, 4 insertions, 1 deletions
diff --git a/net/ipv4/tcp.c b/net/ipv4/tcp.c
index 1d7f49c6f0ca..7a0f0b27bf1f 100644
--- a/net/ipv4/tcp.c
+++ b/net/ipv4/tcp.c
@@ -1321,6 +1321,7 @@ int tcp_recvmsg(struct kiocb *iocb, struct sock *sk, struct msghdr *msg,
struct task_struct *user_recv = NULL;
int copied_early = 0;
struct sk_buff *skb;
+ u32 urg_hole = 0;
lock_sock(sk);
@@ -1532,7 +1533,8 @@ do_prequeue:
}
}
}
- if ((flags & MSG_PEEK) && peek_seq != tp->copied_seq) {
+ if ((flags & MSG_PEEK) &&
+ (peek_seq - copied - urg_hole != tp->copied_seq)) {
if (net_ratelimit())
printk(KERN_DEBUG "TCP(%s:%d): Application bug, race in MSG_PEEK.\n",
current->comm, task_pid_nr(current));
@@ -1553,6 +1555,7 @@ do_prequeue:
if (!urg_offset) {
if (!sock_flag(sk, SOCK_URGINLINE)) {
++*seq;
+ urg_hole++;
offset++;
used--;
if (!used)