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/sit.c b/net/ipv6/sit.c
index b1599a3..b8c8adb 100644
--- a/net/ipv6/sit.c
+++ b/net/ipv6/sit.c
@@ -738,7 +738,8 @@
.fl4_tos = RT_TOS(tos),
.oif = tunnel->parms.link,
.proto = IPPROTO_IPV6 };
- 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;
}
@@ -862,8 +863,9 @@
.fl4_tos = RT_TOS(iph->tos),
.oif = tunnel->parms.link,
.proto = IPPROTO_IPV6 };
- struct rtable *rt;
- if (!ip_route_output_key(dev_net(dev), &rt, &fl)) {
+ struct rtable *rt = ip_route_output_key(dev_net(dev), &fl);
+
+ if (!IS_ERR(rt)) {
tdev = rt->dst.dev;
ip_rt_put(rt);
}