[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, 2 insertions, 2 deletions

diff --git a/net/decnet/dn_route.c b/net/decnet/dn_route.c
index 34079b7ba1d3..32a7db36c9e5 100644
--- a/net/decnet/dn_route.c
+++ b/net/decnet/dn_route.c
@@ -386,7 +386,7 @@ static int dn_return_short(struct sk_buff *skb)
         __le16 tmp;
 
         /* Add back headers */
-        skb_push(skb, skb->data - skb->nh.raw);
+        skb_push(skb, skb->data - skb_network_header(skb));
 
         if ((skb = skb_unshare(skb, GFP_ATOMIC)) == NULL)
                 return NET_RX_DROP;
@@ -425,7 +425,7 @@ static int dn_return_long(struct sk_buff *skb)
         unsigned char tmp[ETH_ALEN];
 
         /* Add back all headers */
-        skb_push(skb, skb->data - skb->nh.raw);
+        skb_push(skb, skb->data - skb_network_header(skb));
 
         if ((skb = skb_unshare(skb, GFP_ATOMIC)) == NULL)
                 return NET_RX_DROP;