[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/ipmr.c b/net/ipv4/ipmr.c
index 51528d3cc334..4a8d99bca441 100644
--- a/net/ipv4/ipmr.c
+++ b/net/ipv4/ipmr.c
@@ -563,7 +563,7 @@ static int ipmr_cache_report(struct sk_buff *pkt, vifi_t vifi, int assert)
                  */
                 msg = (struct igmpmsg*)skb_push(skb, sizeof(struct iphdr));
                 skb->nh.raw = skb->h.raw = (u8*)msg;
-                memcpy(msg, pkt->nh.raw, sizeof(struct iphdr));
+                memcpy(msg, skb_network_header(pkt), sizeof(struct iphdr));
                 msg->im_msgtype = IGMPMSG_WHOLEPKT;
                 msg->im_mbz = 0;
                 msg->im_vif = reg_vif_num;