Bluetooth: hci_sync: Don't remove connected devices from accept list

These devices are likely going to be reprogrammed when disconnected so
this avoid a whole bunch of commands attempt to remove and the add back
to the list.
Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
Tested-by: Zhengping Jiang <jiangzp@google.com>

net/bluetooth/hci_sync.c

@@ -1892,12 +1892,15 @@ static u8 hci_update_accept_list_sync(struct hci_dev *hdev)
 	}
 
 	/* Go through the current accept list programmed into the
-	 * controller one by one and check if that address is still
-	 * in the list of pending connections or list of devices to
+	 * controller one by one and check if that address is connected or is
+	 * still in the list of pending connections or list of devices to
 	 * report. If not present in either list, then remove it from
 	 * the controller.
 	 */
 	list_for_each_entry_safe(b, t, &hdev->le_accept_list, list) {
+		if (hci_conn_hash_lookup_le(hdev, &b->bdaddr, b->bdaddr_type))
+			continue;
+
 		pend_conn = hci_pend_le_action_lookup(&hdev->pend_le_conns,
 						      &b->bdaddr,
 						      b->bdaddr_type);