> Could we solve this by doing:
>
> diff --git a/drivers/bluetooth/btusb.c b/drivers/bluetooth/btusb.c
> index 3595a8bad6bd..168b07041605 100644
> --- a/drivers/bluetooth/btusb.c
> +++ b/drivers/bluetooth/btusb.c
> @@ -1194,6 +1194,17 @@ static int btusb_recv_intr(struct btusb_data
> *data, void *buffer, int count)
> }
>
> if (!hci_skb_expect(skb)) {
> + /* Each chunk should correct to at least 1 or
> more events
> + * so if there are still bytes left that
> doesn't constitute a new
> + * event this is likely a bug in the controller.
> + */
> + if (count && count < HCI_EVENT_HDR_SIZE) {
> + bt_dev_warn(data->hdev,
> + "Unexpected continuation: %d bytes",
> + count);
> + count = 0;
> + }
> +
I've just verified that this patch brings the Barrot dongle to live on
Linux. Here is the output from dmesg:
> [ 43.329852] usb 1-1.4: new full-speed USB device number 4 using dwc_otg
> [ 43.446790] usb 1-1.4: New USB device found, idVendor=33fa, idProduct=0012, bcdDevice=88.91
> [ 43.446813] usb 1-1.4: New USB device strings: Mfr=0, Product=2, SerialNumber=0
> [ 43.446821] usb 1-1.4: Product: UGREEN BT6.0 Adapter
> [ 43.582024] Bluetooth: hci1: Unexpected continuation: 1 bytes
> [ 43.703025] Bluetooth: hci1: Unexpected continuation: 1 bytes
> [ 43.750141] Bluetooth: MGMT ver 1.23
