[TCP]: Fix unlikely usage in tcp_transmit_skb()

The following unlikely should be replaced by likely because the condition happens every time unless there is a hard error to transmit a packet. Signed-off-by: Hua Zhong <[email protected]> Signed-off-by: David S. Miller <[email protected]>
kyagi · Apr 30, 2006 · 83de47c · 83de47c
1 parent 8dff7c2
commit 83de47c
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/net/ipv4/tcp_output.c b/net/ipv4/tcp_output.c
@@ -465,7 +465,7 @@ static int tcp_transmit_skb(struct sock *sk, struct sk_buff *skb, int clone_it,
 	TCP_INC_STATS(TCP_MIB_OUTSEGS);
 
 	err = icsk->icsk_af_ops->queue_xmit(skb, 0);
-	if (unlikely(err <= 0))
+	if (likely(err <= 0))
 		return err;
 
 	tcp_enter_cwr(sk);