linux-kernel - Re: [PATCH 09/14] cpufreq: cpu0: Move per-cluster initialization code to ->init()

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Date:	Wed, 02 Jul 2014 17:43:04 -0700
From:	Stephen Boyd <sboyd@...eaurora.org>
To:	Viresh Kumar <viresh.kumar@...aro.org>
CC:	rjw@...ysocki.net, shawn.guo@...aro.org,
	linaro-kernel@...ts.linaro.org, linux-pm@...r.kernel.org,
	linux-kernel@...r.kernel.org, arvind.chauhan@....com,
	linux-arm-msm@...r.kernel.org, spk.linux@...il.com,
	thomas.ab@...sung.com, nm@...com, t.figa@...sung.com
Subject: Re: [PATCH 09/14] cpufreq: cpu0: Move per-cluster initialization
 code to ->init()

On 07/01/14 09:32, Viresh Kumar wrote:
> +static int cpu0_cpufreq_init(struct cpufreq_policy *policy)
> +{
> +	struct cpufreq_frequency_table *freq_table;
> +	struct thermal_cooling_device *cdev;

This..

> +	struct device_node *np;
> +	struct private_data *priv;
> +	
[...]
> ing them.
> @@ -223,28 +242,92 @@ static int cpu0_cpufreq_probe(struct platform_device *pdev)
>  				"running cpufreq without cooling device: %ld\n",
>  				PTR_ERR(cdev));
>  	}
> -
>  	of_node_put(np);
> +
> +	priv->cdev = cdev;

Causes a build warning:

drivers/cpufreq/cpufreq-generic.c:313:13: warning: 'cdev' may be used
uninitialized in this function [-Wmaybe-uninitialized]

So I guess we should initialize it to NULL?

-- 
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