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ipv4: Make output route lookup return rtable directly.

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Instead of on the stack.

Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
David S. Miller
2011-03-02 14:31:35 -08:00
parent 452edd598f
commit b23dd4fe42
36 changed files with 267 additions and 224 deletions
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11
net/ipv6/ip6_tunnel.c
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@@ -581,7 +581,8 @@ ip4ip6_err(struct sk_buff *skb, struct inet6_skb_parm *opt,
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 @@ ip4ip6_err(struct sk_buff *skb, struct inet6_skb_parm *opt,
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,