diff options
| author | Sven Eckelmann <sven@narfation.org> | 2016-06-30 21:41:13 +0200 |
|---|---|---|
| committer | Simon Wunderlich <sw@simonwunderlich.de> | 2016-07-05 12:43:58 +0200 |
| commit | cbef1e102003edb236c6b2319ab269ccef963731 (patch) | |
| tree | 3798c81d921c6ece854adb72e3a895aa70035cb8 /net/batman-adv/originator.c | |
| parent | batman-adv: Fix reference leak in batadv_find_router (diff) | |
| download | linux-cbef1e102003edb236c6b2319ab269ccef963731.tar.xz linux-cbef1e102003edb236c6b2319ab269ccef963731.zip | |
batman-adv: Free last_bonding_candidate on release of orig_node
The orig_ifinfo reference counter for last_bonding_candidate in
batadv_orig_node has to be reduced when an originator node is released.
Otherwise the orig_ifinfo is leaked and the reference counter the netdevice
is not reduced correctly.
Fixes: f3b3d9018975 ("batman-adv: add bonding again")
Signed-off-by: Sven Eckelmann <sven@narfation.org>
Signed-off-by: Marek Lindner <mareklindner@neomailbox.ch>
Signed-off-by: Simon Wunderlich <sw@simonwunderlich.de>
Diffstat (limited to 'net/batman-adv/originator.c')
| -rw-r--r-- | net/batman-adv/originator.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/net/batman-adv/originator.c b/net/batman-adv/originator.c index fe2fcda4a984..ab8c4f9738fe 100644 --- a/net/batman-adv/originator.c +++ b/net/batman-adv/originator.c @@ -766,6 +766,7 @@ static void batadv_orig_node_release(struct kref *ref) struct batadv_orig_node *orig_node; struct batadv_orig_ifinfo *orig_ifinfo; struct batadv_orig_node_vlan *vlan; + struct batadv_orig_ifinfo *last_candidate; orig_node = container_of(ref, struct batadv_orig_node, refcount); @@ -783,8 +784,14 @@ static void batadv_orig_node_release(struct kref *ref) hlist_del_rcu(&orig_ifinfo->list); batadv_orig_ifinfo_put(orig_ifinfo); } + + last_candidate = orig_node->last_bonding_candidate; + orig_node->last_bonding_candidate = NULL; spin_unlock_bh(&orig_node->neigh_list_lock); + if (last_candidate) + batadv_orig_ifinfo_put(last_candidate); + spin_lock_bh(&orig_node->vlan_list_lock); hlist_for_each_entry_safe(vlan, node_tmp, &orig_node->vlan_list, list) { hlist_del_rcu(&vlan->list); |