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authorKOVACS Krisztian <hidden@sch.bme.hu>2008-10-07 12:41:01 -0700
committerDavid S. Miller <davem@davemloft.net>2008-10-07 12:41:01 -0700
commit23542618deb77cfed312842fe8c41ed19fb16470 (patch)
tree9658279a6e3593846a9127c7a8bffb7ce0077d62 /include/net/inet_hashtables.h
parent607c4aaf03041c8bd81555a0218050c0f895088e (diff)
downloadlinux-23542618deb77cfed312842fe8c41ed19fb16470.tar.bz2
inet: Don't lookup the socket if there's a socket attached to the skb
Use the socket cached in the skb if it's present. Signed-off-by: KOVACS Krisztian <hidden@sch.bme.hu> Acked-by: Arnaldo Carvalho de Melo <acme@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'include/net/inet_hashtables.h')
-rw-r--r--include/net/inet_hashtables.h10
1 files changed, 7 insertions, 3 deletions
diff --git a/include/net/inet_hashtables.h b/include/net/inet_hashtables.h
index 3522bbcd546d..5cc182f9ecae 100644
--- a/include/net/inet_hashtables.h
+++ b/include/net/inet_hashtables.h
@@ -378,11 +378,15 @@ static inline struct sock *__inet_lookup_skb(struct inet_hashinfo *hashinfo,
const __be16 sport,
const __be16 dport)
{
+ struct sock *sk;
const struct iphdr *iph = ip_hdr(skb);
- return __inet_lookup(dev_net(skb->dst->dev), hashinfo,
- iph->saddr, sport,
- iph->daddr, dport, inet_iif(skb));
+ if (unlikely(sk = skb_steal_sock(skb)))
+ return sk;
+ else
+ return __inet_lookup(dev_net(skb->dst->dev), hashinfo,
+ iph->saddr, sport,
+ iph->daddr, dport, inet_iif(skb));
}
extern int __inet_hash_connect(struct inet_timewait_death_row *death_row,