linux-kernel - Re: [PATCH v2] media: atomisp: fix the uninitialized use and rename "retvalue"

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Date:   Thu, 24 Jun 2021 12:31:33 +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 v2] media: atomisp: fix the uninitialized use and rename
 "retvalue"

On Thu, Jun 24, 2021 at 03:17:17AM +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.
> 
> Signed-off-by: Yizhuo <yzhai003@....edu>

Please add a Fixes tag.

regards,
dan carpenter