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| author |   David S. Miller <davem@davemloft.net> | 2011-03-02 14:31:35 -0800 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2011-03-02 14:31:35 -0800 |
| commit | b23dd4fe42b455af5c6e20966b7d6959fa8352ea (patch) | |
| tree | bf97323eae9a8d084170e573ff2c0c40bc72c3cd /net/ipv6/ip6_tunnel.c | |
| parent | xfrm: Return dst directly from xfrm_lookup() (diff) | |
| download | linux-dev-b23dd4fe42b455af5c6e20966b7d6959fa8352ea.tar.xz linux-dev-b23dd4fe42b455af5c6e20966b7d6959fa8352ea.zip | |
ipv4: Make output route lookup return rtable directly.
Instead of on the stack.
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/ipv6/ip6_tunnel.c')
| -rw-r--r-- | net/ipv6/ip6_tunnel.c | 11 |
1 files changed, 7 insertions, 4 deletions
diff --git a/net/ipv6/ip6_tunnel.c b/net/ipv6/ip6_tunnel.c index da43038ae18e..02730ef26b0f 100644 --- a/net/ipv6/ip6_tunnel.c +++ b/net/ipv6/ip6_tunnel.c @@ -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, |