[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/tcp_input.c b/net/ipv4/tcp_input.c
index f5e019cefc15..00190835cea1 100644
--- a/net/ipv4/tcp_input.c
+++ b/net/ipv4/tcp_input.c
@@ -3634,7 +3634,7 @@ tcp_collapse(struct sock *sk, struct sk_buff_head *list,
                         return;
 
                 skb_set_mac_header(nskb, skb_mac_header(skb) - skb->head);
-                nskb->nh.raw = nskb->data + (skb->nh.raw - skb->head);
+                nskb->nh.raw = nskb->data + (skb_network_header(skb) - skb->head);
                 nskb->h.raw = nskb->data + (skb->h.raw - skb->head);
 
                 skb_reserve(nskb, header);