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authorSven Eckelmann <sven@narfation.org>2016-06-30 20:10:46 +0200
committerSimon Wunderlich <sw@simonwunderlich.de>2016-07-05 12:43:10 +0200
commit33fbb1f3db87ce53da925b3e034b4dd446d483f8 (patch)
tree36deda9a7b286a773b9cca3314d533a36a9dbe9f /net/batman-adv
parent60154a1e0495ffb8343a95cefe1e874634572fa8 (diff)
downloadlwn-33fbb1f3db87ce53da925b3e034b4dd446d483f8.tar.gz
lwn-33fbb1f3db87ce53da925b3e034b4dd446d483f8.zip
batman-adv: Fix orig_node_vlan leak on orig_node_release
batadv_orig_node_new uses batadv_orig_node_vlan_new to allocate a new batadv_orig_node_vlan and add it to batadv_orig_node::vlan_list. References to this list have also to be cleaned when the batadv_orig_node is removed. Fixes: 7ea7b4a14275 ("batman-adv: make the TT CRC logic VLAN specific") 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')
-rw-r--r--net/batman-adv/originator.c8
1 files changed, 8 insertions, 0 deletions
diff --git a/net/batman-adv/originator.c b/net/batman-adv/originator.c
index 7f51bc2c06eb..fe2fcda4a984 100644
--- a/net/batman-adv/originator.c
+++ b/net/batman-adv/originator.c
@@ -765,6 +765,7 @@ static void batadv_orig_node_release(struct kref *ref)
struct batadv_neigh_node *neigh_node;
struct batadv_orig_node *orig_node;
struct batadv_orig_ifinfo *orig_ifinfo;
+ struct batadv_orig_node_vlan *vlan;
orig_node = container_of(ref, struct batadv_orig_node, refcount);
@@ -784,6 +785,13 @@ static void batadv_orig_node_release(struct kref *ref)
}
spin_unlock_bh(&orig_node->neigh_list_lock);
+ 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);
+ batadv_orig_node_vlan_put(vlan);
+ }
+ spin_unlock_bh(&orig_node->vlan_list_lock);
+
/* Free nc_nodes */
batadv_nc_purge_orig(orig_node->bat_priv, orig_node, NULL);