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

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Message-ID: <20210723081034.GD1931@kadam>
Date:   Fri, 23 Jul 2021 11:10:34 +0300
From:   Dan Carpenter <dan.carpenter@...cle.com>
To:     Yizhuo <yzhai003@....edu>
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@...r.kernel.org
Subject: Re: [PATCH v4] media: atomisp: fix the uninitialized use and rename
 "retvalue"

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