tree 7562b6a91b5dacd25e19086a354cde1a281471af
parent 58615242417638794a5ba299c49e3fbd6f47c2a3
author Thomas Graf <[EMAIL PROTECTED]> Sun, 21 Aug 2005 07:25:52 -0700
committer David S. Miller <[EMAIL PROTECTED]> Tue, 30 Aug 2005 06:02:57 -0700
[IPV4]: Avoid common branch misprediction while checking csum in ip_rcv()
Signed-off-by: Thomas Graf <[EMAIL PROTECTED]>
Signed-off-by: David S. Miller <[EMAIL PROTECTED]>
net/ipv4/ip_input.c | 2 +-
1 files changed, 1 insertion(+), 1 deletion(-)
diff --git a/net/ipv4/ip_input.c b/net/ipv4/ip_input.c
--- a/net/ipv4/ip_input.c
+++ b/net/ipv4/ip_input.c
@@ -400,7 +400,7 @@ int ip_rcv(struct sk_buff *skb, struct n
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);
-
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