[TCP]: Add unlikely() to sacktag out-of-mem in fragment case
Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@helsinki.fi>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/net/ipv4/tcp_input.c b/net/ipv4/tcp_input.c
index 9fc9096..84bcdc9 100644
--- a/net/ipv4/tcp_input.c
+++ b/net/ipv4/tcp_input.c
@@ -1400,7 +1400,7 @@
/* DSACK info lost if out-of-mem, try SACK still */
if (in_sack <= 0)
in_sack = tcp_match_skb_to_sack(sk, skb, start_seq, end_seq);
- if (in_sack < 0)
+ if (unlikely(in_sack < 0))
break;
sacked = TCP_SKB_CB(skb)->sacked;