Bluetooth: Remove unnecessary check for chan->psm

Now that ATT sockets have been converted to use the new L2CAP_CHAN_FIXED
type there is no need to have an extra check for chan->psm in the
l2cap_chan_close function.
Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>

net/bluetooth/l2cap_core.c

@@ -666,10 +666,7 @@ void l2cap_chan_close(struct l2cap_chan *chan, int reason)
 
 	case BT_CONNECTED:
 	case BT_CONFIG:
-		/* ATT uses L2CAP_CHAN_CONN_ORIENTED so we must also
-		 * check for chan->psm.
-		 */
-		if (chan->chan_type == L2CAP_CHAN_CONN_ORIENTED && chan->psm) {
+		if (chan->chan_type == L2CAP_CHAN_CONN_ORIENTED) {
 			__set_chan_timer(chan, chan->ops->get_sndtimeo(chan));
 			l2cap_send_disconn_req(chan, reason);
 		} else