diff options
| author | Thomas Gleixner <tglx@linutronix.de> | 2017-02-16 19:51:27 +0100 |
|---|---|---|
| committer | Thomas Gleixner <tglx@linutronix.de> | 2017-02-16 19:51:27 +0100 |
| commit | 5b1ad68f9b1951ef78312d2935906cc8a8bd2e12 (patch) | |
| tree | e81b71c961e885cef0d3992e083acec845166870 /net/ipv4/tcp.c | |
| parent | 1013fe32a63d1139b1b32049ea46c0c462738d8b (diff) | |
| parent | 7089db84e356562f8ba737c29e472cc42d530dbc (diff) | |
Merge branch 'linus' into x86/mm
Make sure to get the latest fixes before applying the ptdump enhancements.
Diffstat (limited to 'net/ipv4/tcp.c')
| -rw-r--r-- | net/ipv4/tcp.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/net/ipv4/tcp.c b/net/ipv4/tcp.c index 4a044964da66..0efb4c7f6704 100644 --- a/net/ipv4/tcp.c +++ b/net/ipv4/tcp.c @@ -770,6 +770,12 @@ ssize_t tcp_splice_read(struct socket *sock, loff_t *ppos, ret = -EAGAIN; break; } + /* if __tcp_splice_read() got nothing while we have + * an skb in receive queue, we do not want to loop. + * This might happen with URG data. + */ + if (!skb_queue_empty(&sk->sk_receive_queue)) + break; sk_wait_data(sk, &timeo, NULL); if (signal_pending(current)) { ret = sock_intr_errno(timeo); |