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Subject: Re: [PATCH] mtdchar.c: fix different address space noise
From: Artem Bityutskiy <dedekind1@gmail.com>
Reply-To: dedekind1@gmail.com
To: H Hartley Sweeten <hartleys@visionengravers.com>
Cc: Linux Kernel <linux-kernel@vger.kernel.org>, linux-mtd@lists.infradead.org,
       dwmw2@infradead.org
In-Reply-To: <201001151125.39100.hartleys@visionengravers.com>
References: <201001151125.39100.hartleys@visionengravers.com>
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Date: Tue, 02 Feb 2010 07:58:39 +0200
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On Fri, 2010-01-15 at 11:25 -0700, H Hartley Sweeten wrote:
> mtdchar.c: fix different address space noise
> 
> In mtd_ioctl MEMGETREGIONINFO the region_user_info pointer ur
> is cast in __kernel space. This produces a number of sparse warnings
> like:
> 
> warning: cast removes address space of expression
> warning: incorrect type in initializer (different address spaces)
>    expected unsigned int const [noderef] <asn:1>*register __p
>    got unsigned int *<noident>
> 
> Since argp is already a void __user * just use it dirrectly without
> the cast and make ur a __user *.
> 
> Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
> Cc: David Woodhouse <dwmw2@infradead.org>

Pushed this one to my l2-mtd-2.6 / master

-- 
Best Regards,
Artem Bityutskiy (Артём Битюцкий)

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