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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/inet6_hashtables.h
parent607c4aaf03041c8bd81555a0218050c0f895088e (diff)
downloadop-kernel-dev-23542618deb77cfed312842fe8c41ed19fb16470.zip
op-kernel-dev-23542618deb77cfed312842fe8c41ed19fb16470.tar.gz
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/inet6_hashtables.h')
-rw-r--r--include/net/inet6_hashtables.h12
1 files changed, 8 insertions, 4 deletions
diff --git a/include/net/inet6_hashtables.h b/include/net/inet6_hashtables.h
index 995efbb..f74665d 100644
--- a/include/net/inet6_hashtables.h
+++ b/include/net/inet6_hashtables.h
@@ -96,10 +96,14 @@ static inline struct sock *__inet6_lookup_skb(struct inet_hashinfo *hashinfo,
const __be16 sport,
const __be16 dport)
{
- return __inet6_lookup(dev_net(skb->dst->dev), hashinfo,
- &ipv6_hdr(skb)->saddr, sport,
- &ipv6_hdr(skb)->daddr, ntohs(dport),
- inet6_iif(skb));
+ struct sock *sk;
+
+ if (unlikely(sk = skb_steal_sock(skb)))
+ return sk;
+ else return __inet6_lookup(dev_net(skb->dst->dev), hashinfo,
+ &ipv6_hdr(skb)->saddr, sport,
+ &ipv6_hdr(skb)->daddr, ntohs(dport),
+ inet6_iif(skb));
}
extern struct sock *inet6_lookup(struct net *net, struct inet_hashinfo *hashinfo,
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