Bluetooth: Fix check for connected state when pairing

Both BT_CONNECTED and BT_CONFIG state mean that we have a baseband link
available. We should therefore check for either of these when pairing
and deciding whether to call hci_conn_security() directly.
Signed-off-by: NJohan Hedberg <johan.hedberg@intel.com>
Signed-off-by: NMarcel Holtmann <marcel@holtmann.org>

net/bluetooth/mgmt.c

@@ -3213,7 +3213,7 @@ static int pair_device(struct sock *sk, struct hci_dev *hdev, void *data,
 	conn->io_capability = cp->io_cap;
 	cmd->user_data = conn;
 
-	if (conn->state == BT_CONNECTED &&
+	if ((conn->state == BT_CONNECTED || conn->state == BT_CONFIG) &&
 	    hci_conn_security(conn, sec_level, auth_type, true))
 		pairing_complete(cmd, 0);