Hi Pavel,
On Sun, Jul 25, 2021 at 5:12 PM Pavel Skripkin <paskripkin@xxxxxxxxx> wrote:
> Can You try the following patch?
>
> diff --git a/drivers/net/can/usb/mcba_usb.c b/drivers/net/can/usb/mcba_usb.c
> index a45865bd7254..a1a154c08b7f 100644
> --- a/drivers/net/can/usb/mcba_usb.c
> +++ b/drivers/net/can/usb/mcba_usb.c
> @@ -653,6 +653,8 @@ static int mcba_usb_start(struct mcba_priv *priv)
> break;
> }
>
> + urb->transfer_dma = buf_dma;
> +
> usb_fill_bulk_urb(urb, priv->udev,
> usb_rcvbulkpipe(priv->udev, MCBA_USB_EP_IN),
> buf, MCBA_USB_RX_BUFF_SIZE,
Yup, this patch fixed it. I've tested on top of v5.10.52.
Tested-by: Yasushi SHOJI <yashi@xxxxxxxxxxxxxxx>
> I am sorry for breaking your device :(
No problem. It'd be nice if we'd test with real hardware before
merging into the stable tree, though.
Anyway, thank you for your quick fix!
Best regards,
--
yashi
