[SK_BUFF]: Introduce skb_transport_header(skb)

For the places where we need a pointer to the transport header, it is
still legal to touch skb->h.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, 3 insertions, 3 deletions

diff --git a/net/xfrm/xfrm_input.c b/net/xfrm/xfrm_input.c
index ee15bdae1419..5c4695840c58 100644
--- a/net/xfrm/xfrm_input.c
+++ b/net/xfrm/xfrm_input.c
@@ -62,7 +62,7 @@ int xfrm_parse_spi(struct sk_buff *skb, u8 nexthdr, __be32 *spi, __be32 *seq)
         case IPPROTO_COMP:
                 if (!pskb_may_pull(skb, sizeof(struct ip_comp_hdr)))
                         return -EINVAL;
-                *spi = htonl(ntohs(*(__be16*)(skb->h.raw + 2)));
+                *spi = htonl(ntohs(*(__be16*)(skb_transport_header(skb) + 2)));
                 *seq = 0;
                 return 0;
         default:
@@ -72,8 +72,8 @@ int xfrm_parse_spi(struct sk_buff *skb, u8 nexthdr, __be32 *spi, __be32 *seq)
         if (!pskb_may_pull(skb, 16))
                 return -EINVAL;
 
-        *spi = *(__be32*)(skb->h.raw + offset);
-        *seq = *(__be32*)(skb->h.raw + offset_seq);
+        *spi = *(__be32*)(skb_transport_header(skb) + offset);
+        *seq = *(__be32*)(skb_transport_header(skb) + offset_seq);
         return 0;
 }
 EXPORT_SYMBOL(xfrm_parse_spi);