openwrtv4/package/kernel/mac80211/patches/008-fix_netdev_unregister.patch

--- a/net/mac80211/iface.c
+++ b/net/mac80211/iface.c
@@ -1859,6 +1859,13 @@ void ieee80211_remove_interfaces(struct 
 	}
 	mutex_unlock(&local->iflist_mtx);
 	unregister_netdevice_many(&unreg_list);
+#if (!(LINUX_VERSION_CODE >= KERNEL_VERSION(3,10,45) && \
+       LINUX_VERSION_CODE < KERNEL_VERSION(3,11,0)) && \
+     !(LINUX_VERSION_CODE >= KERNEL_VERSION(3,14,9) && \
+       LINUX_VERSION_CODE < KERNEL_VERSION(3,15,0)) && \
+     (LINUX_VERSION_CODE < KERNEL_VERSION(3,16,0)))
+	list_del(&unreg_list);
+#endif
 
 	list_for_each_entry_safe(sdata, tmp, &wdev_list, list) {
 		list_del(&sdata->list);