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From: Mark Brown <broonie@opensource.wolfsonmicro.com>
To: MyungJoo Ham <myungjoo.ham@samsung.com>
Cc: linux-kernel@vger.kernel.org,
	Samuel Ortiz <sameo@linux.intel.com>,
	Liam Girdwood <lrg@slimlogic.co.uk>,
	Alessandro Zummo <a.zummo@towertech.it>,
	Kyungmin Park <kyungmin.park@samsung.com>,
	Joonyoung Shim <jy0922.shim@samsung.com>,
	Lukasz Majewski <l.majewski@samsung.com>,
	myungjoo.ham@gmail.com
Subject: Re: [PATCH v2 4/6] MFD MAX8998/LP3974 Bufgix: accessing array out of bound.
Date: Wed, 22 Dec 2010 13:29:37 +0000	[thread overview]
Message-ID: <20101222132936.GE26306@opensource.wolfsonmicro.com> (raw)
In-Reply-To: <1292998991-26968-5-git-send-email-myungjoo.ham@samsung.com>

On Wed, Dec 22, 2010 at 03:23:09PM +0900, MyungJoo Ham wrote:

> The previous driver may access ldo_voltage_map[] out of its bound at
> probe function at line 790 (drivers/regulator/max8998.c). This patch
> allocates an entry for every regulator in order to avoid accessing
> out-of-bounds.
> 
> Signed-off-by: MyungJoo Ham <myungjoo.ham@samsung.com>
> Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>

Acked-by: Mark Brown <broonie@opensource.wolfsonmicro.com>

for the fix but

>  	&buck4_voltage_map_desc,	/* BUCK4 */
> +	NULL,				/* EN32KHZ_AP */
> +	NULL,				/* EN32KHZ_CP */
> +	NULL,				/* ENVICHG */
> +	NULL,				/* ESAFEOUT1 */
> +	NULL,				/* ESAFEOUT2 */

it might be nicer to do this with a constant for the array size, or by
having the users check for ARRAY_SIZE().

  reply	other threads:[~2010-12-22 13:29 UTC|newest]

Thread overview: 20+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2010-12-21  2:22 [PATCH] MFD MAX8998/LP3974: Add Features: hibernation, charger, and other misc MyungJoo Ham
2010-12-21 15:50 ` Mark Brown
2010-12-22  6:23   ` [PATCH v2 0/6] MFD MAX8998/LP3974 Driver Update MyungJoo Ham
2010-12-22  6:23   ` [PATCH v2 1/6] MFD MAX8998/LP3974: Support Hibernation MyungJoo Ham
2010-12-22 13:22     ` Mark Brown
2010-12-23  1:40       ` MyungJoo Ham
2010-12-22  6:23   ` [PATCH v2 2/6] MFD MAX8998/LP3974: Support LP3974 RTC MyungJoo Ham
2010-12-22 13:25     ` Mark Brown
2010-12-23  1:45       ` MyungJoo Ham
2010-12-22  6:23   ` [PATCH v2 3/6] MFD MAX8998/LP3974 Bugfix: incorrect variable name (typo) MyungJoo Ham
2010-12-22 13:27     ` Mark Brown
2010-12-23  8:23       ` MyungJoo Ham
2010-12-22  6:23   ` [PATCH v2 4/6] MFD MAX8998/LP3974 Bufgix: accessing array out of bound MyungJoo Ham
2010-12-22 13:29     ` Mark Brown [this message]
2010-12-22  6:23   ` [PATCH v2 5/6] MFD MAX8998/LP3974: Charger Support MyungJoo Ham
2010-12-22 13:33     ` Mark Brown
2010-12-23  2:10       ` MyungJoo Ham
2010-12-23  2:36         ` Mark Brown
2010-12-22  6:23   ` [PATCH v2 6/6] MFD MAX8998/LP3974: Support DVS-GPIO MyungJoo Ham
2010-12-22 13:36     ` Mark Brown

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