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, 2 deletions

diff --git a/drivers/net/cnic.c b/drivers/net/cnic.c
index 5274de3e1bb9..25f08880ae0f 100644
--- a/drivers/net/cnic.c
+++ b/drivers/net/cnic.c
@@ -3397,9 +3397,12 @@ static int cnic_get_v4_route(struct sockaddr_in *dst_addr,
         memset(&fl, 0, sizeof(fl));
         fl.nl_u.ip4_u.daddr = dst_addr->sin_addr.s_addr;
 
-        err = ip_route_output_key(&init_net, &rt, &fl);
-        if (!err)
+        rt = ip_route_output_key(&init_net, &fl);
+        err = 0;
+        if (!IS_ERR(rt))
                 *dst = &rt->dst;
+        else
+                err = PTR_ERR(rt);
         return err;
 #else
         return -ENETUNREACH;