net: fix xfrm reverse flow lookup for icmp6

This patch fixes the xfrm reverse flow lookup for icmp6 so that icmp6 packets
don't get lost over ipsec tunnels. Similar patch is in RHEL5 kernel for a quite
long time and I do not see why it isn't in mainline.

Signed-off-by: Jiri Pirko <jpirko@redhat.com>
Acked-by: Herbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/net/ipv6/icmp.c b/net/ipv6/icmp.c
index 4f433847d95f51724c0a943d50a5a67edb80b34c..36dff8807183c81741baba329cea9d637ff6ebcd 100644 (file)
--- a/net/ipv6/icmp.c
+++ b/net/ipv6/icmp.c
@@ -443,10 +443,10 @@ void icmpv6_send(struct sk_buff *skb, int type, int code, __u32 info,
        if (xfrm_decode_session_reverse(skb, &fl2, AF_INET6))
                goto relookup_failed;
 
-       if (ip6_dst_lookup(sk, &dst2, &fl))
+       if (ip6_dst_lookup(sk, &dst2, &fl2))
                goto relookup_failed;
 
-       err = xfrm_lookup(net, &dst2, &fl, sk, XFRM_LOOKUP_ICMP);
+       err = xfrm_lookup(net, &dst2, &fl2, sk, XFRM_LOOKUP_ICMP);
        switch (err) {
        case 0:
                dst_release(dst);