linux-kernel - [PATCH] net: fix xfrm reverse flow lookup for icmp6

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Date:	Mon, 26 Jan 2009 17:29:54 +0100
From:	Jiri Pirko <jpirko@...hat.com>
To:	linux-kernel@...r.kernel.org
Cc:	davem@...emloft.net, herbert@...dor.apana.org.au,
	nhorman@...hat.com
Subject: [PATCH] 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.

Please correct me if I'm missing something.

Jirka


Signed-off-by: Jiri Pirko <jpirko@...hat.com>
---
 net/ipv6/icmp.c |    4 ++--
 1 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/net/ipv6/icmp.c b/net/ipv6/icmp.c
index 4f43384..36dff88 100644
--- 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);
-- 
1.6.0.6


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