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
b1ab705f9111e0b4b3ffef4d1e3fdb4d657aa718
("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>