Merge branch 'linus' into perf/core

Merge reason: Pick up the latest perf fixes.

Signed-off-by: Ingo Molnar <mingo@elte.hu>

1 files changed, 3 insertions, 0 deletions

diff --git a/net/ipv4/tcp_output.c b/net/ipv4/tcp_output.c
index b4ed957f201a..7ed9dc1042d1 100644
--- a/net/ipv4/tcp_output.c
+++ b/net/ipv4/tcp_output.c
@@ -2208,6 +2208,9 @@ void tcp_xmit_retransmit_queue(struct sock *sk)
         int mib_idx;
         int fwd_rexmitting = 0;
 
+        if (!tp->packets_out)
+                return;
+
         if (!tp->lost_out)
                 tp->retransmit_high = tp->snd_una;