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xfrm: update flowi saddr in icmp_send if unset 

otherwise xfrm_lookup will fail to find correct policy

Signed-off-by: Ulrich Weber <uweber@astaro.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Ulrich Weber 2010-11-05 01:39:12 +00:00 committed by David S. Miller
parent 4c62ab9c53
commit 7d98ffd8c2
1 changed files with 3 additions and 0 deletions
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3
net/ipv4/icmp.c
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@ -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: