+@@ -1718,6 +1773,15 @@ void ieee80211_remove_interfaces(struct
+
+ ASSERT_RTNL();
+
++ /*
++ * Close all AP_VLAN interfaces first, as otherwise they
++ * might be closed while the AP interface they belong to
++ * is closed, causing unregister_netdevice_many() to crash.
++ */
++ list_for_each_entry(sdata, &local->interfaces, list)
++ if (sdata->vif.type == NL80211_IFTYPE_AP_VLAN)
++ dev_close(sdata->dev);
++
+ mutex_lock(&local->iflist_mtx);
+ list_for_each_entry_safe(sdata, tmp, &local->interfaces, list) {
+ list_del(&sdata->list);