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/sock.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/sock.h')
| -rw-r--r-- | include/net/sock.h | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/include/net/sock.h b/include/net/sock.h index 75a312d3888a..18f96708f3a6 100644 --- a/include/net/sock.h +++ b/include/net/sock.h @@ -1324,6 +1324,18 @@ static inline void sk_change_net(struct sock *sk, struct net *net) sock_net_set(sk, hold_net(net)); } +static inline struct sock *skb_steal_sock(struct sk_buff *skb) +{ + if (unlikely(skb->sk)) { + struct sock *sk = skb->sk; + + skb->destructor = NULL; + skb->sk = NULL; + return sk; + } + return NULL; +} + extern void sock_enable_timestamp(struct sock *sk); extern int sock_get_timestamp(struct sock *, struct timeval __user *); extern int sock_get_timestampns(struct sock *, struct timespec __user *); |