linux-kernel - Re: [PATCH 09/20] regulator: lp3972: use devm_regulator

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Message-id: <000201ceba56$1ce708e0$56b51aa0$%han@samsung.com>
Date:	Thu, 26 Sep 2013 10:17:04 +0900
From:	Jingoo Han <jg1.han@...sung.com>
To:	'Sachin Kamat' <sachin.kamat@...aro.org>
Cc:	'Mark Brown' <broonie@...nel.org>,
	'Liam Girdwood' <lgirdwood@...il.com>,
	'LKML' <linux-kernel@...r.kernel.org>,
	'Marek Szyprowski' <m.szyprowski@...sung.com>,
	'Jingoo Han' <jg1.han@...sung.com>
Subject: Re: [PATCH 09/20] regulator: lp3972: use devm_regulator_register()

On Wednesday, September 25, 2013 7:18 PM, Sachin Kamat wrote:
> On 25 September 2013 13:32, Jingoo Han <jg1.han@...sung.com> wrote:
> > Use devm_regulator_register() to make cleanup paths simpler.
> 
> >  static int lp3972_i2c_remove(struct i2c_client *i2c)
> >  {
> >         struct lp3972 *lp3972 = i2c_get_clientdata(i2c);
> > -       int i;
> >
> > -       for (i = 0; i < lp3972->num_regulators; i++)
> > -               regulator_unregister(lp3972->rdev[i]);
> >         kfree(lp3972->rdev);
> 
> With devm the unregister would happen after the freeing of the device.
> Wouldn't this re-ordering cause any
> problems?

It seems to make the problem.
I will remove this patch from next V2 patch series.
Thank you.

Best regards,
Jingoo Han

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