linux-kernel - Re: [PATCH 13/14] regulator: check name in initialization of max8925

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Message-ID: <20110419105103.GF9462@sirena.org.uk>
Date:	Tue, 19 Apr 2011 11:51:03 +0100
From:	Mark Brown <broonie@...nsource.wolfsonmicro.com>
To:	Haojian Zhuang <hzhuang1@...vell.com>
Cc:	Haojian Zhuang <haojian.zhuang@...il.com>,
	"sameo@...ux.intel.com" <sameo@...ux.intel.com>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"dmitry.torokhov@...il.com" <dmitry.torokhov@...il.com>,
	"a.zummo@...ertech.it" <a.zummo@...ertech.it>,
	"johnpol@....mipt.ru" <johnpol@....mipt.ru>,
	"cbou@...l.ru" <cbou@...l.ru>,
	"dwmw2@...radead.org" <dwmw2@...radead.org>,
	"lrg@...mlogic.co.uk" <lrg@...mlogic.co.uk>
Subject: Re: [PATCH 13/14] regulator: check name in initialization of
	max8925

On Tue, Apr 19, 2011 at 01:28:23AM -0700, Haojian Zhuang wrote:

> >> 	There's issue in max8925_core.c since we can't assume regulator[0]
> >always declared in machine driver.

> >What is the issue?  It's trivial to skip the regulator if the data is
> >null.

> It skiped all regulators if regulator[0] isn't decleared.
> 	(pdata == NULL) || (pdata->regulator[0] == NULL)

> So it's a bug.

Surely the obvious fix is to fix the issue and not skip all the
regulators if an individual regulator has no data?
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