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, 5 insertions, 3 deletions

diff --git a/net/ipv4/raw.c b/net/ipv4/raw.c
index d7a2d1eaec09..467d570d087a 100644
--- a/net/ipv4/raw.c
+++ b/net/ipv4/raw.c
@@ -564,10 +564,12 @@ static int raw_sendmsg(struct kiocb *iocb, struct sock *sk, struct msghdr *msg,
                 }
 
                 security_sk_classify_flow(sk, &fl);
-                err = ip_route_output_flow(sock_net(sk), &rt, &fl, sk);
+                rt = ip_route_output_flow(sock_net(sk), &fl, sk);
+                if (IS_ERR(rt)) {
+                        err = PTR_ERR(rt);
+                        goto done;
+                }
         }
-        if (err)
-                goto done;
 
         err = -EACCES;
         if (rt->rt_flags & RTCF_BROADCAST && !sock_flag(sk, SOCK_BROADCAST))