ipv4: Make output route lookup return rtable directly.

Instead of on the stack.

Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 4 insertions, 2 deletions

diff --git a/net/ipv4/ip_output.c b/net/ipv4/ip_output.c
index 33316b3534ca..171f483b21d5 100644
--- a/net/ipv4/ip_output.c
+++ b/net/ipv4/ip_output.c
@@ -355,7 +355,8 @@ int ip_queue_xmit(struct sk_buff *skb)
                          * itself out.
                          */
                         security_sk_classify_flow(sk, &fl);
-                        if (ip_route_output_flow(sock_net(sk), &rt, &fl, sk))
+                        rt = ip_route_output_flow(sock_net(sk), &fl, sk);
+                        if (IS_ERR(rt))
                                 goto no_route;
                 }
                 sk_setup_caps(sk, &rt->dst);
@@ -1489,7 +1490,8 @@ void ip_send_reply(struct sock *sk, struct sk_buff *skb, struct ip_reply_arg *ar
                                     .proto = sk->sk_protocol,
                                     .flags = ip_reply_arg_flowi_flags(arg) };
                 security_skb_classify_flow(skb, &fl);
-                if (ip_route_output_key(sock_net(sk), &rt, &fl))
+                rt = ip_route_output_key(sock_net(sk), &fl);
+                if (IS_ERR(rt))
                         return;
         }