batman-adv: Move deinitialization of soft-interface to destructor

The deinitialization of the soft-interface created in ndo_init/constructor
should be done in the destructor and not directly before calling
unregister_netdevice

Signed-off-by: Sven Eckelmann <sven@narfation.org>
Signed-off-by: Marek Lindner <lindner_marek@yahoo.de>
Acked-by: Antonio Quartulli <ordex@autistici.org>
Signed-off-by: Antonio Quartulli <ordex@autistici.org>

1 files changed, 12 insertions, 3 deletions

diff --git a/net/batman-adv/soft-interface.c b/net/batman-adv/soft-interface.c
index c5cb0a7f8349..e889bfb1bfc3 100644
--- a/net/batman-adv/soft-interface.c
+++ b/net/batman-adv/soft-interface.c
@@ -417,7 +417,6 @@ static void batadv_softif_destroy_finish(struct work_struct *work)
                                 cleanup_work);
         soft_iface = bat_priv->soft_iface;
 
-        batadv_debugfs_del_meshif(soft_iface);
         batadv_sysfs_del_meshif(soft_iface);
 
         rtnl_lock();
@@ -522,6 +521,17 @@ static const struct net_device_ops batadv_netdev_ops = {
 };
 
 /**
+ * batadv_softif_free - Deconstructor of batadv_soft_interface
+ * @dev: Device to cleanup and remove
+ */
+static void batadv_softif_free(struct net_device *dev)
+{
+        batadv_debugfs_del_meshif(dev);
+        batadv_mesh_free(dev);
+        free_netdev(dev);
+}
+
+/**
  * batadv_softif_init_early - early stage initialization of soft interface
  * @dev: registered network device to modify
  */
@@ -532,7 +542,7 @@ static void batadv_softif_init_early(struct net_device *dev)
         ether_setup(dev);
 
         dev->netdev_ops = &batadv_netdev_ops;
-        dev->destructor = free_netdev;
+        dev->destructor = batadv_softif_free;
         dev->tx_queue_len = 0;
 
         /* can't call min_mtu, because the needed variables
@@ -575,7 +585,6 @@ void batadv_softif_destroy(struct net_device *soft_iface)
 {
         struct batadv_priv *bat_priv = netdev_priv(soft_iface);
 
-        batadv_mesh_free(soft_iface);
         queue_work(batadv_event_workqueue, &bat_priv->cleanup_work);
 }