net: skb->dst accessors

[safe/jmp/linux-2.6] / net / ipv6 / netfilter.c

diff --git a/net/ipv6/netfilter.c b/net/ipv6/netfilter.c
index 834cea6..d5ed92b 100644 (file)
--- a/net/ipv6/netfilter.c
+++ b/net/ipv6/netfilter.c
@@ -12,7 +12,7 @@
 
 int ip6_route_me_harder(struct sk_buff *skb)
 {
-       struct net *net = dev_net(skb->dst->dev);
+       struct net *net = dev_net(skb_dst(skb)->dev);
        struct ipv6hdr *iph = ipv6_hdr(skb);
        struct dst_entry *dst;
        struct flowi fl = {
@@ -28,9 +28,15 @@ int ip6_route_me_harder(struct sk_buff *skb)
 
 #ifdef CONFIG_XFRM
        if (!(IP6CB(skb)->flags & IP6SKB_XFRM_TRANSFORMED) &&
-           xfrm_decode_session(skb, &fl, AF_INET6) == 0)
-               if (xfrm_lookup(net, &skb->dst, &fl, skb->sk, 0))
+           xfrm_decode_session(skb, &fl, AF_INET6) == 0) {
+               struct dst_entry *dst2 = skb_dst(skb);
+
+               if (xfrm_lookup(net, &dst2, &fl, skb->sk, 0)) {
+                       skb_dst_set(skb, NULL);
                        return -1;
+               }
+               skb_dst_set(skb, dst2);
+       }
 #endif
 
        if (dst->error) {
@@ -41,9 +47,9 @@ int ip6_route_me_harder(struct sk_buff *skb)
        }
 
        /* Drop old route. */
-       dst_release(skb->dst);
+       skb_dst_drop(skb);
 
-       skb->dst = dst;
+       skb_dst_set(skb, dst);
        return 0;
 }
 EXPORT_SYMBOL(ip6_route_me_harder);