linux-kernel - Re: [PATCH] rts5208: fix a missing check of ms read

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Message-ID: <20190102113047.GL3781@kadam>
Date:   Wed, 2 Jan 2019 14:30:47 +0300
From:   Dan Carpenter <dan.carpenter@...cle.com>
To:     Kangjie Lu <kjlu@....edu>
Cc:     devel@...verdev.osuosl.org, Kees Cook <keescook@...omium.org>,
        Arnd Bergmann <arnd@...db.de>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        linux-kernel@...r.kernel.org, pakki001@....edu,
        Aymen Qader <qader.aymen@...il.com>
Subject: Re: [PATCH] rts5208: fix a missing check of ms read

On Thu, Dec 20, 2018 at 02:00:01PM -0600, Kangjie Lu wrote:
> When ms_read_extra_data fails, the data read in "extra" buffer is
> just incorrect and thus should be used. However, "extra" is used
> in multiple places no matter ms_read_extra_data() fails or not.
> The fix checks the status of ms_read_extra_data() and returns with
> an error code upon its failure.
> 
> Signed-off-by: Kangjie Lu <kjlu@....edu>

Looks good.

Reviewed-by: Dan Carpenter <dan.carpenter@...cle.com>

regards,
dan carpenter