[SK_BUFF]: Introduce skb_network_header()

For the places where we need a pointer to the network header, it is still legal
to touch skb->nh.raw directly if just adding to, subtracting from or setting it
to another layer header.

Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 1 insertions, 1 deletions

diff --git a/net/ipv4/xfrm4_policy.c b/net/ipv4/xfrm4_policy.c
index 98a833ce1114..fbb1d3decf02 100644
--- a/net/ipv4/xfrm4_policy.c
+++ b/net/ipv4/xfrm4_policy.c
@@ -210,7 +210,7 @@ static void
 _decode_session4(struct sk_buff *skb, struct flowi *fl)
 {
         struct iphdr *iph = skb->nh.iph;
-        u8 *xprth = skb->nh.raw + iph->ihl*4;
+        u8 *xprth = skb_network_header(skb) + iph->ihl * 4;
 
         memset(fl, 0, sizeof(struct flowi));
         if (!(iph->frag_off & htons(IP_MF | IP_OFFSET))) {