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authorSven Eckelmann <sven@narfation.org>2016-06-30 22:41:13 +0300
committerSimon Wunderlich <sw@simonwunderlich.de>2016-07-05 13:43:58 +0300
commitcbef1e102003edb236c6b2319ab269ccef963731 (patch)
tree3798c81d921c6ece854adb72e3a895aa70035cb8 /net
parent15c2ed753cd9e3e746472deab8151337a5b6da56 (diff)
downloadlinux-cbef1e102003edb236c6b2319ab269ccef963731.tar.xz
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')
-rw-r--r--net/batman-adv/originator.c7
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);