提交 a57ebc90 编写于 作者: P Patrick McHardy 提交者: David S. Miller

[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: NPatrick McHardy <kaber@trash.net>
Signed-off-by: NDavid S. Miller <davem@davemloft.net>
上级 baed16a7
......@@ -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;
......
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