--- a/net/atm/lec.c
+++ b/net/atm/lec.c
@@ -776,6 +776,7 @@ static int lecd_attach(struct atm_vcc *vcc, int arg)
 	} else {
 		priv = netdev_priv(dev_lec[i]);
 		if (rcu_access_pointer(priv->lecd))
 			return -EADDRINUSE;
+		cancel_delayed_work_sync(&priv->lec_arp_work);
 	}
 	lec_arp_init(priv);