[U-Boot] [PATCH 6/9] Properly zero out timeout value

[Marek Vasut <marex@denx.de>]

Dear Pantelis Antoniou,

> Hi Marek,
> 
> On Nov 28, 2012, at 4:46 AM, Marek Vasut wrote:
> > Dear Pantelis Antoniou,
> > 
> >> Zero out timeout value; letting it filled with undefined values
> >> ends up with the dfu host hanging.
> >> 
> >> Signed-off-by: Pantelis Antoniou <panto@antoniou-consulting.com>
> >> ---
> >> drivers/usb/gadget/f_dfu.c | 3 +++
> >> 1 file changed, 3 insertions(+)
> >> 
> >> diff --git a/drivers/usb/gadget/f_dfu.c b/drivers/usb/gadget/f_dfu.c
> >> index 10547e3..a322ae5 100644
> >> --- a/drivers/usb/gadget/f_dfu.c
> >> +++ b/drivers/usb/gadget/f_dfu.c
> >> @@ -164,6 +164,9 @@ static void handle_getstatus(struct usb_request
> >> *req)
> >> 
> >> 	/* send status response */
> >> 	dstat->bStatus = f_dfu->dfu_status;
> >> 
> >> +	dstat->bwPollTimeout[0] = 0;
> >> +	dstat->bwPollTimeout[1] = 0;
> >> +	dstat->bwPollTimeout[2] = 0;
> > 
> > What about calling memset() here ?
> 
> I would memset the whole structure just to be safe, but it seems that this
> is just 3 instructions. memset would take more. Either way works for me.

Can you verify that please?

> >> 	dstat->bState = f_dfu->dfu_state;
> >> 	dstat->iString = 0;
> >> 
> >> }
> > 
> > Best regards,
> > Marek Vasut
> 
> Regards
> 
> -- Pantelis

Best regards,
Marek Vasut