[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>
git-mirror · Nov 11, 2007 · e49aa5d · e49aa5d
1 parent c7caf8d
commit e49aa5d
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/net/ipv4/tcp_input.c b/net/ipv4/tcp_input.c
@@ -1400,7 +1400,7 @@ tcp_sacktag_write_queue(struct sock *sk, struct sk_buff *ack_skb, u32 prior_snd_
 			/* 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;