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[IPV6]: Don't redo xfrm_lookup for cached dst entries 

The xfrm lookup is already done when the dst entry is looked up first and
stored in the cache.

Signed-off-by: Patrick McHardy <kaber@trash.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
wifi-calibration
Patrick McHardy 2005-09-08 14:27:47 -07:00 committed by David S. Miller
parent baed16a7ff
commit a57ebc90f1
1 changed files with 4 additions and 3 deletions
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7
net/ipv6/ip6_tunnel.c
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@ -673,11 +673,12 @@ ip6ip6_tnl_xmit(struct sk_buff *skb, struct net_device *dev)
if ((dst = ip6_tnl_dst_check(t)) != NULL)
dst_hold(dst);
else
else {
dst = ip6_route_output(NULL, &fl);
if (dst->error || xfrm_lookup(&dst, &fl, NULL, 0) < 0)
goto tx_err_link_failure;
if (dst->error || xfrm_lookup(&dst, &fl, NULL, 0) < 0)
goto tx_err_link_failure;
}
tdev = dst->dev;