Commit 83de47cd authored Apr 28, 2006 by Hua Zhong Committed by David S. Miller Apr 29, 2006

[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 <hzhong@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

parent 8dff7c29

net/ipv4/tcp_output.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -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);