Re: [PATCH 1/1] Pinctrl: Add in zero check

From: Linus Walleij
Date: Thu Aug 25 2022 - 08:20:09 EST


On Thu, Aug 25, 2022 at 2:18 PM Andy Shevchenko
<andy.shevchenko@xxxxxxxxx> wrote:
> On Thu, Aug 25, 2022 at 3:07 PM Linus Walleij <linus.walleij@xxxxxxxxxx> wrote:
> > On Tue, Aug 16, 2022 at 11:09 AM Will Shiu <Will.Shiu@xxxxxxxxxxxx> wrote:
> >
> > > add in check of buffer offset to avoid the exception when input 0 size.
> > >
> > > Signed-off-by: Will Shiu <Will.Shiu@xxxxxxxxxxxx>
> >
> > Looks good to me, patch applied!
>
> Sorry, but it seems the author didn't pay much attention and didn't
> really work on it. What does the < 0 comparison mean here?
>
> I would ask if there is _real_ issue with the code? What is the use
> case and why is this check needed?

Dropped this until Andy's question is answered.

Yours,
Linus Walleij