linux-kernel - Re: [PATCH 2/2] thermal: db8500_cpufreq_cooling: remove usage of IS_ERR_OR

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Date:	Thu, 25 Apr 2013 16:17:21 -0400
From:	Eduardo Valentin <eduardo.valentin@...com>
To:	Russell King <rmk@....linux.org.uk>
CC:	Eduardo Valentin <eduardo.valentin@...com>,
	Zhang Rui <rui.zhang@...el.com>, <linux-pm@...r.kernel.org>,
	<linux-kernel@...r.kernel.org>,
	Grant Likely <grant.likely@...retlab.ca>,
	Rob Herring <rob.herring@...xeda.com>,
	Hongbo Zhang <hongbo.zhang@...ricsson.com>,
	<devicetree-discuss@...ts.ozlabs.org>
Subject: Re: [PATCH 2/2] thermal: db8500_cpufreq_cooling: remove usage of
 IS_ERR_OR_NULL()

On 25-04-2013 13:46, Russell King wrote:
> On Thu, Apr 25, 2013 at 10:13:34AM -0400, Eduardo Valentin wrote:
>> diff --git a/drivers/thermal/db8500_cpufreq_cooling.c b/drivers/thermal/db8500_cpufreq_cooling.c
>> index 21419851..786d192 100644
>> --- a/drivers/thermal/db8500_cpufreq_cooling.c
>> +++ b/drivers/thermal/db8500_cpufreq_cooling.c
>> @@ -37,7 +37,7 @@ static int db8500_cpufreq_cooling_probe(struct platform_device *pdev)
>>   	cpumask_set_cpu(0, &mask_val);
>>   	cdev = cpufreq_cooling_register(&mask_val);
>>
>> -	if (IS_ERR_OR_NULL(cdev)) {
>> +	if (IS_ERR(cdev)) {
>>   		dev_err(&pdev->dev, "Failed to register cooling device\n");
>>   		return PTR_ERR(cdev);
>
> Correct.  cpufreq_cooling_register() returns either an error-pointer or
> a valid pointer.
>

Thanks for your review!

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