ipv4: Make output route lookup return rtable directly.
Instead of on the stack.
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/net/ipv6/ip6_tunnel.c b/net/ipv6/ip6_tunnel.c
index da43038..02730ef 100644
--- a/net/ipv6/ip6_tunnel.c
+++ b/net/ipv6/ip6_tunnel.c
@@ -581,7 +581,8 @@
fl.fl4_dst = eiph->saddr;
fl.fl4_tos = RT_TOS(eiph->tos);
fl.proto = IPPROTO_IPIP;
- if (ip_route_output_key(dev_net(skb->dev), &rt, &fl))
+ rt = ip_route_output_key(dev_net(skb->dev), &fl);
+ if (IS_ERR(rt))
goto out;
skb2->dev = rt->dst.dev;
@@ -593,12 +594,14 @@
fl.fl4_dst = eiph->daddr;
fl.fl4_src = eiph->saddr;
fl.fl4_tos = eiph->tos;
- if (ip_route_output_key(dev_net(skb->dev), &rt, &fl) ||
+ rt = ip_route_output_key(dev_net(skb->dev), &fl);
+ if (IS_ERR(rt) ||
rt->dst.dev->type != ARPHRD_TUNNEL) {
- ip_rt_put(rt);
+ if (!IS_ERR(rt))
+ ip_rt_put(rt);
goto out;
}
- skb_dst_set(skb2, (struct dst_entry *)rt);
+ skb_dst_set(skb2, &rt->dst);
} else {
ip_rt_put(rt);
if (ip_route_input(skb2, eiph->daddr, eiph->saddr, eiph->tos,