linux-kernel - Re: [PATCH] mm/nommu.c: check read permission in validate_mmap

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Date:	Fri, 14 Aug 2009 13:57:34 +0900
From:	Paul Mundt <lethal@...ux-sh.org>
To:	graff.yang@...il.com
Cc:	dhowells@...hat.com, linux-kernel@...r.kernel.org,
	akpm@...ux-foundation.org, uclinux-dist-devel@...ckfin.uclinux.org
Subject: Re: [PATCH] mm/nommu.c: check read permission in validate_mmap_request()

On Fri, Aug 14, 2009 at 11:19:21AM +0800, graff.yang@...il.com wrote:
> From: Graff Yang <graff.yang@...il.com>
> 
> According to the POSIX (1003.1-2008), the file shall have been opened
> with read permission, regardless of the protection options specified.
> The ltp test cases mmap06/07 need this.
> 
> Signed-off-by: Graff Yang <graff.yang@...il.com>

Looks good. This brings it more in line with MMU Linux anyways, so it's
worthwhile regardless.

Acked-by: Paul Mundt <lethal@...ux-sh.org>
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