[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>
diff --git a/net/sched/em_u32.c b/net/sched/em_u32.c
index cd0600c..0a2a7fe 100644
--- a/net/sched/em_u32.c
+++ b/net/sched/em_u32.c
@@ -22,7 +22,7 @@
struct tcf_pkt_info *info)
{
struct tc_u32_key *key = (struct tc_u32_key *) em->data;
- unsigned char *ptr = skb->nh.raw;
+ const unsigned char *ptr = skb_network_header(skb);
if (info) {
if (info->ptr)