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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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7
net/ipv4/ipip.c
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@@ -469,7 +469,8 @@ static netdev_tx_t ipip_tunnel_xmit(struct sk_buff *skb, struct net_device *dev)
.proto = IPPROTO_IPIP
};
if (ip_route_output_key(dev_net(dev), &rt, &fl)) {
rt = ip_route_output_key(dev_net(dev), &fl);
if (IS_ERR(rt)) {
dev->stats.tx_carrier_errors++;
goto tx_error_icmp;
}
@@ -590,9 +591,9 @@ static void ipip_tunnel_bind_dev(struct net_device *dev)
.fl4_tos = RT_TOS(iph->tos),
.proto = IPPROTO_IPIP
};
struct rtable *rt;
struct rtable *rt = ip_route_output_key(dev_net(dev), &fl);
if (!ip_route_output_key(dev_net(dev), &rt, &fl)) {
if (!IS_ERR(rt)) {
tdev = rt->dst.dev;
ip_rt_put(rt);
}