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authorIngo Molnar <mingo@kernel.org>2017-02-14 07:29:14 +0100
committerIngo Molnar <mingo@kernel.org>2017-02-14 07:29:14 +0100
commit210f400d68a14bc89e2e61dc2e06cdd67cfeb5f6 (patch)
tree2098a7db539f0e92676d8d953002db3cc8eb03b8 /net/ipv4/tcp.c
parentf2029b1e47b607619d1dd2cb0bbb77f64ec6b7c2 (diff)
parent7089db84e356562f8ba737c29e472cc42d530dbc (diff)
Merge tag 'v4.10-rc8' into perf/core, to pick up fixes
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'net/ipv4/tcp.c')
-rw-r--r--net/ipv4/tcp.c6
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);