[U-Boot] [PATCH] Fix USB keyboard polling via control endpoint
Wolfgang Denk
wd at denx.de
Mon Apr 7 18:59:16 CEST 2014
Dear Adrian,
In message <3392231.3254.1396864604431.JavaMail.adrian at Gurnard> you wrote:
>
> > From: "Wolfgang Denk" <wd at denx.de>
>
> > I agree that the code is wrong and needs fixing. data->new is an
> > uint8_t pointer, so taking the size of the pointer is obviously
> > wrong. But what you fix here is not the only place where
> > sizeof(data->new) is used, so this patch fixes part of the problem at
> > best.
>
> I can't find any other instances of sizeof in usb_kbd.c.
Yes, you are right. I did not see that your patch fixes both
occurrences of sizeof(data->new).
> Is this a broader problem in the USB stack?
I haven't looked at the other code, so I cannot comment on that.
> > Can you please try out if the following extended version f the patch
> > works and fixes your problem? You will note that I removed all
> > occurrences of this magic number 8 by replacing it with
> > USB_KBD_PDATA_SIZE so the could should also be easier to read.
>
> I've tested your extended patch, and it does fix the problem for me. I agree that adding USB_KBD_PDATA_SIZE
> does improve readability.
Thanks for testing.
Marek, can you then please use my version of the patch instead of the
original one?
Thanks.
Best regards,
Wolfgang Denk
--
DENX Software Engineering GmbH, MD: Wolfgang Denk & Detlev Zundel
HRB 165235 Munich, Office: Kirchenstr.5, D-82194 Groebenzell, Germany
Phone: (+49)-8142-66989-10 Fax: (+49)-8142-66989-80 Email: wd at denx.de
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yourself. - L. Wall & R. L. Schwartz, _Programming Perl_
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