xfrm_lookup should be called after ip6_route_output skb_dst_set,
otherwise skb_dst_set of xfrm_lookup is pointless
Signed-off-by: Ulrich Weber <uweber@xxxxxxxxxx>
---
net/ipv6/netfilter.c | 25 +++++++++++--------------
1 files changed, 11 insertions(+), 14 deletions(-)
diff --git a/net/ipv6/netfilter.c b/net/ipv6/netfilter.c
index d5ed92b..a74951c 100644
--- a/net/ipv6/netfilter.c
+++ b/net/ipv6/netfilter.c
@@ -25,20 +25,6 @@ int ip6_route_me_harder(struct sk_buff *skb)
};
dst = ip6_route_output(net, skb->sk, &fl);
-
-#ifdef CONFIG_XFRM
- if (!(IP6CB(skb)->flags & IP6SKB_XFRM_TRANSFORMED) &&
- 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) {
IP6_INC_STATS(net, ip6_dst_idev(dst), IPSTATS_MIB_OUTNOROUTES);
LIMIT_NETDEBUG(KERN_DEBUG "ip6_route_me_harder: No more route.\n");
@@ -50,6 +36,17 @@ int ip6_route_me_harder(struct sk_buff *skb)
skb_dst_drop(skb);
skb_dst_set(skb, dst);
+
+#ifdef CONFIG_XFRM
+ if (!(IP6CB(skb)->flags & IP6SKB_XFRM_TRANSFORMED) &&
+ xfrm_decode_session(skb, &fl, AF_INET6) == 0) {
+ skb_dst_set(skb, NULL);
+ if (xfrm_lookup(net, &dst, &fl, skb->sk, 0))
+ return -1;
+ skb_dst_set(skb, dst);
+ }
+#endif
+
return 0;
}
EXPORT_SYMBOL(ip6_route_me_harder);
--
1.6.3.3
--
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