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authorArnaldo Carvalho de Melo <acme@redhat.com>2007-04-25 17:55:53 -0700
committerDavid S. Miller <davem@sunset.davemloft.net>2007-04-25 22:25:16 -0700
commitea2ae17d6443abddc79480dc9f7af8feacabddc4 (patch)
tree2d6f48a5e4a40f761b5b510af9aac1fca55004cb /net/ipv6/mip6.c
parentbadff6d01a8589a1c828b0bf118903ca38627f4e (diff)
[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.c5
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;

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