diff options
author | Stephen Hemminger <shemminger@osdl.org> | 2005-09-08 15:32:03 -0400 |
---|---|---|
committer | David S. Miller <davem@davemloft.net> | 2005-09-08 15:32:03 -0400 |
commit | 0e4e4220f10bf8f58a8606f0cb28538088c64b1a (patch) | |
tree | 5700dfd0ceab3b435a7fc91cc25e56bb911ce2a9 | |
parent | 1b11d78cf87a7014f96e5b7fa2e1233cc8081a00 (diff) |
[NET]: Optimize pskb_trim_rcsum()
Since packets almost never contain extra garbage at the end, it is
worthwhile to optimize for that case.
Signed-off-by: Stephen Hemminger <shemminger@osdl.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
-rw-r--r-- | include/linux/skbuff.h | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/include/linux/skbuff.h b/include/linux/skbuff.h index da7da9c0ed1b..2741c0c55e83 100644 --- a/include/linux/skbuff.h +++ b/include/linux/skbuff.h | |||
@@ -1167,7 +1167,7 @@ static inline void skb_postpull_rcsum(struct sk_buff *skb, | |||
1167 | 1167 | ||
1168 | static inline int pskb_trim_rcsum(struct sk_buff *skb, unsigned int len) | 1168 | static inline int pskb_trim_rcsum(struct sk_buff *skb, unsigned int len) |
1169 | { | 1169 | { |
1170 | if (len >= skb->len) | 1170 | if (likely(len >= skb->len)) |
1171 | return 0; | 1171 | return 0; |
1172 | if (skb->ip_summed == CHECKSUM_HW) | 1172 | if (skb->ip_summed == CHECKSUM_HW) |
1173 | skb->ip_summed = CHECKSUM_NONE; | 1173 | skb->ip_summed = CHECKSUM_NONE; |