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

[karo-tx-linux.git] / net / ipv4 / tcp.c

diff --git a/net/ipv4/tcp.c b/net/ipv4/tcp.c
index b751abc56935efa4e7e3ca9aa71e478f60b4b3fd..d44a6989e76d69aa44e2a26d37b4204376c94966 100644 (file)
--- a/net/ipv4/tcp.c
+++ b/net/ipv4/tcp.c
@@ -773,6 +773,12 @@ 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);