[SK_BUFF]: Introduce skb_network_offset()

For the quite common 'skb->nh.raw - skb->data' sequence.

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/ipv6/icmp.c b/net/ipv6/icmp.c
index a91dfbce8433..aa4a0a59ffac 100644
--- a/net/ipv6/icmp.c
+++ b/net/ipv6/icmp.c
@@ -206,7 +206,7 @@ static __inline__ int opt_unrec(struct sk_buff *skb, __u32 offset)
 {
         u8 _optval, *op;
 
-        offset += skb->nh.raw - skb->data;
+        offset += skb_network_offset(skb);
         op = skb_header_pointer(skb, offset, sizeof(_optval), &_optval);
         if (op == NULL)
                 return 1;
@@ -431,7 +431,7 @@ void icmpv6_send(struct sk_buff *skb, int type, int code, __u32 info,
                 tclass = 0;
 
         msg.skb = skb;
-        msg.offset = skb->nh.raw - skb->data;
+        msg.offset = skb_network_offset(skb);
         msg.type = type;
 
         len = skb->len - msg.offset;