On Mon, 2015-07-27 at 08:50 +0200, Petr Tesarik wrote: > I don't understand. While you're right that I copied this part from > Sillicon Labs' driver without much thinking, and &spriv->bPartNumber > can be used directly, I can't see any DMA on stack. FWIW > cp210x_control_msg always allocates a buffer using kcalloc: > > buf = kcalloc(length, sizeof(__le32), GFP_KERNEL); > /* ... */ > result = usb_control_msg(serial->dev, > usb_rcvctrlpipe(serial->dev, 0), > request, requesttype, value, > spriv->bInterfaceNumber, buf, size, > timeout); > > Is that what you mean? Yes, sorry, that part wasn't so clear from the previous patch. Sorry Oliver -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
