batman-adv: fix neigh_ifinfo imbalance

[ Upstream commit c1e517fbbcdb13f50662af4edc11c3251fe44f86 ]

The neigh_ifinfo object must be freed if it has been used in
batadv_iv_ogm_process_per_outif().

This is a regression introduced by
89652331c00f43574515059ecbf262d26d885717
("batman-adv: split tq information in neigh_node struct")

Reported-by: Antonio Quartulli <antonio@open-mesh.com>
Signed-off-by: Simon Wunderlich <simon@open-mesh.com>
Signed-off-by: Marek Lindner <mareklindner@neomailbox.ch>
Signed-off-by: Antonio Quartulli <antonio@meshcoding.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/net/batman-adv/bat_iv_ogm.c b/net/batman-adv/bat_iv_ogm.c
index 8323bce..d074d06 100644 (file)
--- a/net/batman-adv/bat_iv_ogm.c
+++ b/net/batman-adv/bat_iv_ogm.c
@@ -1545,6 +1545,8 @@ out_neigh:
        if ((orig_neigh_node) && (!is_single_hop_neigh))
                batadv_orig_node_free_ref(orig_neigh_node);
 out:
+       if (router_ifinfo)
+               batadv_neigh_ifinfo_free_ref(router_ifinfo);
        if (router)
                batadv_neigh_node_free_ref(router);
        if (router_router)