netdev - [PATCH] xfrm: update flowi saddr in icmp

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Message-ID: <20101105113912.GA14694@babylon>
Date:	Fri, 5 Nov 2010 12:39:12 +0100
From:	Ulrich Weber <uweber@...aro.com>
To:	davem@...emloft.net
Cc:	netdev@...r.kernel.org
Subject: [PATCH] xfrm: update flowi saddr in icmp_send if unset

otherwise xfrm_lookup will fail to find correct policy

Signed-off-by: Ulrich Weber <uweber@...aro.com>
---
 net/ipv4/icmp.c |    3 +++
 1 files changed, 3 insertions(+), 0 deletions(-)

diff --git a/net/ipv4/icmp.c b/net/ipv4/icmp.c
index 96bc7f9..e5d1a44 100644
--- a/net/ipv4/icmp.c
+++ b/net/ipv4/icmp.c
@@ -569,6 +569,9 @@ void icmp_send(struct sk_buff *skb_in, int type, int code, __be32 info)
 		/* No need to clone since we're just using its address. */
 		rt2 = rt;
 
+		if (!fl.nl_u.ip4_u.saddr)
+			fl.nl_u.ip4_u.saddr = rt->rt_src;
+
 		err = xfrm_lookup(net, (struct dst_entry **)&rt, &fl, NULL, 0);
 		switch (err) {
 		case 0:
-- 
1.7.1

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