[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, 4 insertions, 4 deletions

diff --git a/net/dccp/ipv6.c b/net/dccp/ipv6.c
index 7f51e8db3967..627d0c3c51cf 100644
--- a/net/dccp/ipv6.c
+++ b/net/dccp/ipv6.c
@@ -261,8 +261,8 @@ static int dccp_v6_send_response(struct sock *sk, struct request_sock *req,
 
                         if (rxopt->srcrt)
                                 opt = ipv6_invert_rthdr(sk,
-                                        (struct ipv6_rt_hdr *)(pktopts->nh.raw +
-                                                               rxopt->srcrt));
+                          (struct ipv6_rt_hdr *)(skb_network_header(pktopts) +
+                                                 rxopt->srcrt));
                 }
 
                 if (opt != NULL && opt->srcrt != NULL) {
@@ -573,8 +573,8 @@ static struct sock *dccp_v6_request_recv_sock(struct sock *sk,
 
                 if (rxopt->srcrt)
                         opt = ipv6_invert_rthdr(sk,
-                                (struct ipv6_rt_hdr *)(ireq6->pktopts->nh.raw +
-                                                       rxopt->srcrt));
+                   (struct ipv6_rt_hdr *)(skb_network_header(ireq6->pktopts) +
+                                          rxopt->srcrt));
         }
 
         if (dst == NULL) {