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/drivers/scsi/cxgbi/libcxgbi.c b/drivers/scsi/cxgbi/libcxgbi.c
index 261aa81..889199a 100644
--- a/drivers/scsi/cxgbi/libcxgbi.c
+++ b/drivers/scsi/cxgbi/libcxgbi.c
@@ -470,7 +470,8 @@
 			}
 	};
 
-	if (ip_route_output_flow(&init_net, &rt, &fl, NULL))
+	rt = ip_route_output_flow(&init_net, &fl, NULL);
+	if (IS_ERR(rt))
 		return NULL;
 
 	return rt;