On Mon, 09 Feb 2015 11:08:01 +0100 Oliver Neukum <[email protected]> wrote:
> > + ret = usb_interrupt_msg(dev, usb_sndintpipe(dev, 0x02), > > + buf2, sizeof(buf2), > > + &transfered, USB_CTRL_SET_TIMEOUT); > > You cannot do this. Even for a single byte DMA on the stack is > wrong. Not on all architectures it works at all and you violate > the DMA constrainsts. You must use kmalloc(). Hi Oliver, Does this still apply when using hid_hw_output_report? - Lauri -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
