linux-kernel - Re: [PATCH] staging: rts5208: Add a check for ms_read_extra

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Date:   Wed, 2 Jan 2019 13:50:59 +0300
From:   Dan Carpenter <dan.carpenter@...cle.com>
To:     Aditya Pakki <pakki001@....edu>
Cc:     devel@...verdev.osuosl.org, Kees Cook <keescook@...omium.org>,
        Arnd Bergmann <arnd@...db.de>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>, kjlu@....edu,
        linux-kernel@...r.kernel.org, Aymen Qader <qader.aymen@...il.com>
Subject: Re: [PATCH] staging: rts5208: Add a check for ms_read_extra_data

On Thu, Dec 27, 2018 at 01:35:53PM -0600, Aditya Pakki wrote:
> In ms_copy_page, the function ms_read_extra_data may fail for many
> reasons. The fix adds a check similar to other invocation to return
> error upstream.
> 
> Signed-off-by: Aditya Pakki <pakki001@....edu>

Yup.  It doesn't make sense to use stale "extra" data. 

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

regards,
dan carpenter