diff options
| author |   KOVACS Krisztian <hidden@sch.bme.hu> | 2008-10-07 12:41:01 -0700 |
|---|---|---|
| committer |   David S. Miller <davem@davemloft.net> | 2008-10-07 12:41:01 -0700 |
| commit | 23542618deb77cfed312842fe8c41ed19fb16470 (patch) | |
| tree | 9658279a6e3593846a9127c7a8bffb7ce0077d62 /include/net/inet6_hashtables.h | |
| parent | inet: Add udplib_lookup_skb() helpers (diff) | |
| download | linux-dev-23542618deb77cfed312842fe8c41ed19fb16470.tar.xz linux-dev-23542618deb77cfed312842fe8c41ed19fb16470.zip | |
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.h | 12 |
1 files changed, 8 insertions, 4 deletions
diff --git a/include/net/inet6_hashtables.h b/include/net/inet6_hashtables.h index 995efbb031ab..f74665d7bea8 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, |