--- x/net/mac80211/led.c
+++ l/net/mac80211/led.c
@@ -207,6 +207,7 @@ void ieee80211_led_exit(struct ieee80211
 
 	if (local->tpt_led_trigger) {
 		led_trigger_unregister(&local->tpt_led);
+		del_timer_sync(&local->tpt_led_trigger->timer);
 		kfree(local->tpt_led_trigger);
 	}
 }