[SK_BUFF]: Introduce ip_hdr(), remove skb->nh.iph

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

1 files changed, 1 insertions, 2 deletions

diff --git a/net/ipv4/xfrm4_output.c b/net/ipv4/xfrm4_output.c
index 038ca160fe2c..44ef208a75cb 100644
--- a/net/ipv4/xfrm4_output.c
+++ b/net/ipv4/xfrm4_output.c
@@ -22,14 +22,13 @@ static int xfrm4_tunnel_check_size(struct sk_buff *skb)
 {
         int mtu, ret = 0;
         struct dst_entry *dst;
-        struct iphdr *iph = skb->nh.iph;
 
         if (IPCB(skb)->flags & IPSKB_XFRM_TUNNEL_SIZE)
                 goto out;
 
         IPCB(skb)->flags |= IPSKB_XFRM_TUNNEL_SIZE;
 
-        if (!(iph->frag_off & htons(IP_DF)) || skb->local_df)
+        if (!(ip_hdr(skb)->frag_off & htons(IP_DF)) || skb->local_df)
                 goto out;
 
         dst = skb->dst;