batman-adv: Drop reference to netdevice on last reference

The references to the network device should be dropped inside the release
function for batadv_hard_iface similar to what is done with the batman-adv
internal datastructures.

Signed-off-by: Sven Eckelmann <sven@narfation.org>
Signed-off-by: Marek Lindner <mareklindner@neomailbox.ch>
Signed-off-by: Antonio Quartulli <a@unstable.cc>

1 files changed, 8 insertions, 5 deletions

diff --git a/net/batman-adv/hard-interface.c b/net/batman-adv/hard-interface.c
index db90022c00a4..b17e272b5cb3 100644
--- a/net/batman-adv/hard-interface.c
+++ b/net/batman-adv/hard-interface.c
@@ -47,13 +47,16 @@
 #include "sysfs.h"
 #include "translation-table.h"
 
-void batadv_hardif_free_rcu(struct rcu_head *rcu)
+/**
+ * batadv_hardif_release - release hard interface from lists and queue for
+ *  free after rcu grace period
+ * @hard_iface: the hard interface to free
+ */
+void batadv_hardif_release(struct batadv_hard_iface *hard_iface)
 {
-        struct batadv_hard_iface *hard_iface;
-
-        hard_iface = container_of(rcu, struct batadv_hard_iface, rcu);
         dev_put(hard_iface->net_dev);
-        kfree(hard_iface);
+
+        kfree_rcu(hard_iface, rcu);
 }
 
 struct batadv_hard_iface *