Bluetooth: Call ops->teardown() without checking for NULL

Users that don't implement teardown() should use l2cap_chan_no_teardown()
Acked-by: Marcel Holtmann <marcel@holtmann.org>
Signed-off-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk>

net/bluetooth/l2cap_core.c

@@ -542,8 +542,7 @@ void l2cap_chan_del(struct l2cap_chan *chan, int err)
 			hci_conn_put(conn->hcon);
 	}
 
-	if (chan->ops->teardown)
-		chan->ops->teardown(chan, err);
+	chan->ops->teardown(chan, err);
 
 	if (test_bit(CONF_NOT_COMPLETE, &chan->conf_state))
 		return;
@@ -582,8 +581,7 @@ void l2cap_chan_close(struct l2cap_chan *chan, int reason)
 
 	switch (chan->state) {
 	case BT_LISTEN:
-		if (chan->ops->teardown)
-			chan->ops->teardown(chan, 0);
+		chan->ops->teardown(chan, 0);
 		break;
 
 	case BT_CONNECTED:
@@ -625,8 +623,7 @@ void l2cap_chan_close(struct l2cap_chan *chan, int reason)
 		break;
 
 	default:
-		if (chan->ops->teardown)
-			chan->ops->teardown(chan, 0);
+		chan->ops->teardown(chan, 0);
 		break;
 	}
 }