On 25.07.2021 11:12:42, Pavel Skripkin wrote: > Can You try the following patch? Can you create a proper patch with you S-o-b? > 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, > > > > I've added Marc to this discussion, I believe, he can help us, since he > is CAN maintainer. Yasushi, please test and post your Tested-by here. After Pavel posts a proper patch and you tested it, I'll forward it to net/master, then it will be applied to the stable kernels. Debian can even pick up the patch earlier. regards, Marc -- Pengutronix e.K. | Marc Kleine-Budde | Embedded Linux | https://www.pengutronix.de | Vertretung West/Dortmund | Phone: +49-231-2826-924 | Amtsgericht Hildesheim, HRA 2686 | Fax: +49-5121-206917-5555 |
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