linux-kernel - Re: [PATCH 1/5] cpufreq: Define cpufreq_set_drv_attr

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Date:	Thu, 6 Jun 2013 14:30:39 +0530
From:	Viresh Kumar <viresh.kumar@...aro.org>
To:	Lukasz Majewski <l.majewski@...sung.com>
Cc:	"Rafael J. Wysocky" <rjw@...k.pl>,
	"cpufreq@...r.kernel.org" <cpufreq@...r.kernel.org>,
	Linux PM list <linux-pm@...r.kernel.org>,
	Vincent Guittot <vincent.guittot@...aro.org>,
	Jonghwa Lee <jonghwa3.lee@...sung.com>,
	Myungjoo Ham <myungjoo.ham@...sung.com>,
	linux-kernel <linux-kernel@...r.kernel.org>,
	Lukasz Majewski <l.majewski@...ess.pl>,
	Andre Przywara <andre.przywara@...aro.org>,
	Daniel Lezcano <daniel.lezcano@...aro.org>,
	Lists linaro-kernel <linaro-kernel@...ts.linaro.org>
Subject: Re: [PATCH 1/5] cpufreq: Define cpufreq_set_drv_attr_files() to add
 per CPU sysfs attributes

On 6 June 2013 14:28, Lukasz Majewski <l.majewski@...sung.com> wrote:
> I'm confused here.
>
> So you want to check dev_attr for NULL just after:
> drv_attr = cpufreq_driver->attr;
> if (!drv_attr)
>         goto error;
>
> and skip the check at the while loop:
> while ((drv_attr) && (*drv_attr))
>
> to
>
> while ((*drv_attr))
>
> Am I correct?

Bingo!!
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