diff options
| author | Arnaldo Carvalho de Melo <acme@redhat.com> | 2007-04-25 17:55:53 -0700 |
|---|---|---|
| committer | David S. Miller <davem@sunset.davemloft.net> | 2007-04-25 22:25:16 -0700 |
| commit | ea2ae17d6443abddc79480dc9f7af8feacabddc4 (patch) | |
| tree | 2d6f48a5e4a40f761b5b510af9aac1fca55004cb /net/ipv6/mip6.c | |
| parent | badff6d01a8589a1c828b0bf118903ca38627f4e (diff) | |
| download | lwn-ea2ae17d6443abddc79480dc9f7af8feacabddc4.tar.gz lwn-ea2ae17d6443abddc79480dc9f7af8feacabddc4.zip | |
[SK_BUFF]: Introduce skb_transport_offset()
For the quite common 'skb->h.raw - skb->data' sequence.
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/ipv6/mip6.c')
| -rw-r--r-- | net/ipv6/mip6.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/net/ipv6/mip6.c b/net/ipv6/mip6.c index 7b5f9d82e801..85202891644e 100644 --- a/net/ipv6/mip6.c +++ b/net/ipv6/mip6.c @@ -90,8 +90,9 @@ int mip6_mh_filter(struct sock *sk, struct sk_buff *skb) { struct ip6_mh *mh; - if (!pskb_may_pull(skb, (skb->h.raw - skb->data) + 8) || - !pskb_may_pull(skb, (skb->h.raw - skb->data) + ((skb->h.raw[1] + 1) << 3))) + if (!pskb_may_pull(skb, (skb_transport_offset(skb)) + 8) || + !pskb_may_pull(skb, (skb_transport_offset(skb) + + ((skb->h.raw[1] + 1) << 3)))) return -1; mh = (struct ip6_mh *)skb->h.raw; |