batman-adv: free skb on TVLV parsing success

When the TVLV parsing routine succeed the skb is left
untouched thus leading to a memory leak.

Fix this by consuming the skb in case of success.

Introduced by ef26157747d42254453f6b3ac2bd8bd3c53339c3
("batman-adv: tvlv - basic infrastructure")

Reported-by: Russel Senior <russell@personaltelco.net>
Signed-off-by: Antonio Quartulli <antonio@open-mesh.com>
Tested-by: Russell Senior <russell@personaltelco.net>
Signed-off-by: Marek Lindner <mareklindner@neomailbox.ch>

1 files changed, 2 insertions, 0 deletions

diff --git a/net/batman-adv/routing.c b/net/batman-adv/routing.c
index c26f07368849..a953d5b196a3 100644
--- a/net/batman-adv/routing.c
+++ b/net/batman-adv/routing.c
@@ -918,6 +918,8 @@ int batadv_recv_unicast_tvlv(struct sk_buff *skb,
 
         if (ret != NET_RX_SUCCESS)
                 ret = batadv_route_unicast_packet(skb, recv_if);
+        else
+                consume_skb(skb);
 
         return ret;
 }