diff options
| author | Ingo Molnar <mingo@elte.hu> | 2012-02-07 08:59:29 (GMT) |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2012-02-07 08:59:29 (GMT) |
| commit | 290436c9c61ac983b1bd425da67242a4357c7701 (patch) | |
| tree | 35e1f189b62eb50515600ad607d7fb57fc547870 /net/unix/af_unix.c | |
| parent | 623ec991ce0e8cd5791bad656c162fa837635907 (diff) | |
| parent | 62aa2b537c6f5957afd98e29f96897419ed5ebab (diff) | |
| download | linux-fsl-qoriq-290436c9c61ac983b1bd425da67242a4357c7701.tar.xz | |
Merge tag 'v3.3-rc2' into perf/core
Linux 3.3-rc2
Pick up the latest fixes.
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'net/unix/af_unix.c')
| -rw-r--r-- | net/unix/af_unix.c | 19 |
1 files changed, 4 insertions, 15 deletions
diff --git a/net/unix/af_unix.c b/net/unix/af_unix.c index aad8fb6..85d3bb7 100644 --- a/net/unix/af_unix.c +++ b/net/unix/af_unix.c @@ -1918,7 +1918,7 @@ static int unix_stream_recvmsg(struct kiocb *iocb, struct socket *sock, struct sk_buff *skb; unix_state_lock(sk); - skb = skb_dequeue(&sk->sk_receive_queue); + skb = skb_peek(&sk->sk_receive_queue); if (skb == NULL) { unix_sk(sk)->recursion_level = 0; if (copied >= target) @@ -1958,11 +1958,8 @@ static int unix_stream_recvmsg(struct kiocb *iocb, struct socket *sock, if (check_creds) { /* Never glue messages from different writers */ if ((UNIXCB(skb).pid != siocb->scm->pid) || - (UNIXCB(skb).cred != siocb->scm->cred)) { - skb_queue_head(&sk->sk_receive_queue, skb); - sk->sk_data_ready(sk, skb->len); + (UNIXCB(skb).cred != siocb->scm->cred)) break; - } } else { /* Copy credentials */ scm_set_cred(siocb->scm, UNIXCB(skb).pid, UNIXCB(skb).cred); @@ -1977,8 +1974,6 @@ static int unix_stream_recvmsg(struct kiocb *iocb, struct socket *sock, chunk = min_t(unsigned int, skb->len, size); if (memcpy_toiovec(msg->msg_iov, skb->data, chunk)) { - skb_queue_head(&sk->sk_receive_queue, skb); - sk->sk_data_ready(sk, skb->len); if (copied == 0) copied = -EFAULT; break; @@ -1993,13 +1988,10 @@ static int unix_stream_recvmsg(struct kiocb *iocb, struct socket *sock, if (UNIXCB(skb).fp) unix_detach_fds(siocb->scm, skb); - /* put the skb back if we didn't use it up.. */ - if (skb->len) { - skb_queue_head(&sk->sk_receive_queue, skb); - sk->sk_data_ready(sk, skb->len); + if (skb->len) break; - } + skb_unlink(skb, &sk->sk_receive_queue); consume_skb(skb); if (siocb->scm->fp) @@ -2010,9 +2002,6 @@ static int unix_stream_recvmsg(struct kiocb *iocb, struct socket *sock, if (UNIXCB(skb).fp) siocb->scm->fp = scm_fp_dup(UNIXCB(skb).fp); - /* put message back and return */ - skb_queue_head(&sk->sk_receive_queue, skb); - sk->sk_data_ready(sk, skb->len); break; } } while (size); |