net: Do not drop to make_route if oif is l3mdev

[firefly-linux-kernel-4.4.55.git] / net / ipv4 / route.c

diff --git a/net/ipv4/route.c b/net/ipv4/route.c
index 4be5ff08f98d266153eaeea1f01605946def415b..85f184e429c63c8c426f58c779dc3544cf2e2a54 100644 (file)
--- a/net/ipv4/route.c
+++ b/net/ipv4/route.c
@@ -2196,7 +2196,8 @@ struct rtable *__ip_route_output_key_hash(struct net *net, struct flowi4 *fl4,
        if (err) {
                res.fi = NULL;
                res.table = NULL;
-               if (fl4->flowi4_oif) {
+               if (fl4->flowi4_oif &&
+                   !netif_index_is_l3_master(net, fl4->flowi4_oif)) {
                        /* Apparently, routing tables are wrong. Assume,
                           that the destination is on link.