Hi Arkadiusz,
On Tue, Aug 26, 2025 at 12:44 AM Arkadiusz Bokowy
<arkadiusz.bokowy@xxxxxxxxx> wrote:
>
> > 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
Great, do you care to respin the patch with the above changes?
--
Luiz Augusto von Dentz
