linux-kernel - Re: [PATCH v4] media: atomisp: fix the uninitialized use and rename "retvalue"

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Message-ID: <CABvMjLQ5PW+cddeYCgiR4xx9dKWVdKsaJLrUYFPMmsOLk+a1HA@mail.gmail.com>
Date:   Fri, 23 Jul 2021 02:19:08 -0700
From:   Yizhuo Zhai <yzhai003@....edu>
To:     Dan Carpenter <dan.carpenter@...cle.com>
Cc:     Mauro Carvalho Chehab <mchehab@...nel.org>,
        Sakari Ailus <sakari.ailus@...ux.intel.com>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Juan Antonio Aldea-Armenteros <juant.aldea@...il.com>,
        linux-media@...r.kernel.org, linux-staging@...ts.linux.dev,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v4] media: atomisp: fix the uninitialized use and rename "retvalue"

Hi Dan:
I updated the fix tag in this version, I would sign the patch using my
full name, thanks.

On Fri, Jul 23, 2021 at 1:11 AM Dan Carpenter <dan.carpenter@...cle.com> wrote:
>
> On Fri, Jul 23, 2021 at 12:36:04AM +0000, Yizhuo wrote:
> > Inside function mt9m114_detect(), variable "retvalue" could
> > be uninitialized if mt9m114_read_reg() returns error, however, it
> > is used in the later if statement, which is potentially unsafe.
> >
> > The local variable "retvalue" is renamed to "model" to avoid
> > confusion.
> >
> > Fixes: ad85094b293e ("Revert "media: staging: atomisp: Remove driver"")
> > Signed-off-by: Yizhuo <yzhai003@....edu>
> > ---
>
> Is your full name just Yizhuo or Yizhuo Zhai?  Please use your legal
> name as if you were signing a legal document.
>
> I don't think you have changed anything in this version?  It's basically
> a resend of the patch from Jun 25?  Please put that information under
> the --- cut off.
>
> Looks okay to me.
>
> Reviewed-by: Dan Carpenter <dan.carpenter@...cle.com>
>
> regards,
> dan carpenter
>


-- 
Kind Regards,

Yizhuo Zhai

Computer Science, Graduate Student
University of California, Riverside