Freeing all the resources when DAT is disabled need a much more complicated
locking system to prevent concurrent enable/disable operations to destroy the
internal state of the component. For now it is safe to avoid such freeing
operation at all when DAT gets disabled.

Signed-off-by: Antonio Quartulli <[email protected]>
---
 distributed-arp-table.c | 10 ----------
 sysfs.c                 |  3 +--
 2 files changed, 1 insertion(+), 12 deletions(-)

diff --git a/distributed-arp-table.c b/distributed-arp-table.c
index c933615..7921030 100644
--- a/distributed-arp-table.c
+++ b/distributed-arp-table.c
@@ -1061,13 +1061,3 @@ out:
                batadv_dat_entry_free_ref(dat_entry);
        return ret;
 }
-
-void batadv_dat_switch(struct net_device *net_dev)
-{
-       struct batadv_priv *bat_priv = netdev_priv(net_dev);
-
-       if (atomic_read(&bat_priv->distributed_arp_table))
-               batadv_dat_init(bat_priv);
-       else
-               batadv_dat_free(bat_priv);
-}
diff --git a/sysfs.c b/sysfs.c
index 9dc58b5..84a55cb 100644
--- a/sysfs.c
+++ b/sysfs.c
@@ -422,8 +422,7 @@ BATADV_ATTR_SIF_BOOL(bonding, S_IRUGO | S_IWUSR, NULL);
 BATADV_ATTR_SIF_BOOL(bridge_loop_avoidance, S_IRUGO | S_IWUSR, NULL);
 #endif
 #ifdef CONFIG_BATMAN_ADV_DAT
-BATADV_ATTR_SIF_BOOL(distributed_arp_table, S_IRUGO | S_IWUSR,
-                    batadv_dat_switch);
+BATADV_ATTR_SIF_BOOL(distributed_arp_table, S_IRUGO | S_IWUSR, NULL);
 #endif
 BATADV_ATTR_SIF_BOOL(fragmentation, S_IRUGO | S_IWUSR, batadv_update_min_mtu);
 BATADV_ATTR_SIF_BOOL(ap_isolation, S_IRUGO | S_IWUSR, NULL);
-- 
1.7.12.4

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