| commit | e9c604227391308b185aa6b14c7f93b0a0c2e51b | [log] [tgz] |
|---|---|---|
| author | Thomas Graf <tgraf@suug.ch> | Sat Aug 20 17:25:52 2005 -0700 |
| committer | David S. Miller <davem@sunset.davemloft.net> | Mon Aug 29 16:02:57 2005 -0700 |
| tree | 7562b6a91b5dacd25e19086a354cde1a281471af | |
| parent | 58615242417638794a5ba299c49e3fbd6f47c2a3 [diff] [blame] |
[IPV4]: Avoid common branch misprediction while checking csum in ip_rcv() Signed-off-by: Thomas Graf <tgraf@suug.ch> Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/net/ipv4/ip_input.c b/net/ipv4/ip_input.c index 322b082..6a06e15 100644 --- a/net/ipv4/ip_input.c +++ b/net/ipv4/ip_input.c
@@ -400,7 +400,7 @@ iph = skb->nh.iph; - if (ip_fast_csum((u8 *)iph, iph->ihl) != 0) + if (unlikely(ip_fast_csum((u8 *)iph, iph->ihl))) goto inhdr_error; len = ntohs(iph->tot_len);