AcoSail/kernel_optimize_test
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[TCP]: Fix unlikely usage in tcp_transmit_skb()

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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>
This commit is contained in:
Hua Zhong 2006-04-28 15:26:50 -07:00 committed by David S. Miller
parent 8dff7c2970
commit 83de47cd0c
1 changed files with 1 additions and 1 deletions
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net/ipv4/tcp_output.c
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@ -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);