From mboxrd@z Thu Jan  1 00:00:00 1970
Return-Path: <stable-owner@vger.kernel.org>
Received: from out1-smtp.messagingengine.com ([66.111.4.25]:43585 "EHLO
        out1-smtp.messagingengine.com" rhost-flags-OK-OK-OK-OK)
        by vger.kernel.org with ESMTP id S1752098AbdHAVDl (ORCPT
        <rfc822;stable@vger.kernel.org>); Tue, 1 Aug 2017 17:03:41 -0400
Date: Tue, 1 Aug 2017 14:03:37 -0700
From: Greg KH <greg@kroah.com>
To: Chris Brandt <chris.brandt@renesas.com>
Cc: stable@vger.kernel.org,
        Geert Uytterhoeven <geert+renesas@glider.be>,
        Wolfram Sang <wsa+renesas@sang-engineering.com>,
        Ulf Hansson <ulf.hansson@linaro.org>
Subject: Re: [PATCH] mmc: tmio-mmc: fix bad pointer math
Message-ID: <20170801210337.GA9762@kroah.com>
References: <20170801204334.106262-1-chris.brandt@renesas.com>
MIME-Version: 1.0
Content-Type: text/plain; charset=us-ascii
Content-Disposition: inline
In-Reply-To: <20170801204334.106262-1-chris.brandt@renesas.com>
Sender: stable-owner@vger.kernel.org
List-ID: <stable.vger.kernel.org>

On Tue, Aug 01, 2017 at 03:43:34PM -0500, Chris Brandt wrote:
> commit 9c284c41c0886f09e75c323a16278b6d353b0b4a upstream.
> 
> The existing code gives an incorrect pointer value.
> The buffer pointer 'buf' was of type unsigned short *, and 'count' was a
> number in bytes. A cast of buf should have been used.
> 
> However, instead of casting, just change the code to use u32 pointers.
> 
> Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
> Fixes: 8185e51f358a: ("mmc: tmio-mmc: add support for 32bit data port")
> Signed-off-by: Chris Brandt <chris.brandt@renesas.com>
> Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
> Acked-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
> Cc: <stable@vger.kernel.org>
> Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
> ---
>  drivers/mmc/host/tmio_mmc_pio.c | 19 +++++++++----------
>  1 file changed, 9 insertions(+), 10 deletions(-)

What kernel tree(s) is this for?

thanks,

greg k-h