[PATCH] cpufreq: armada-37xx: Fix clock leak

Viresh Kumar viresh.kumar at linaro.org
Wed Apr 4 21:51:53 PDT 2018


On 04-04-18, 16:44, Gregory CLEMENT wrote:
> There was no clk_put() balancing the clk_get(). This commit fixes it.
> 
> Fixes: 92ce45fb875d ("cpufreq: Add DVFS support for Armada 37xx")
> Cc: <stable at vger.kernel.org>
> Reported-by: Thomas Petazzoni <thomas.petazzoni at bootlin.com>
> Signed-off-by: Gregory CLEMENT <gregory.clement at bootlin.com>
> ---
>  drivers/cpufreq/armada-37xx-cpufreq.c | 2 ++
>  1 file changed, 2 insertions(+)
> 
> diff --git a/drivers/cpufreq/armada-37xx-cpufreq.c b/drivers/cpufreq/armada-37xx-cpufreq.c
> index c6ebc88a7d8d..72a2975499db 100644
> --- a/drivers/cpufreq/armada-37xx-cpufreq.c
> +++ b/drivers/cpufreq/armada-37xx-cpufreq.c
> @@ -202,6 +202,7 @@ static int __init armada37xx_cpufreq_driver_init(void)
>  	cur_frequency = clk_get_rate(clk);
>  	if (!cur_frequency) {
>  		dev_err(cpu_dev, "Failed to get clock rate for CPU\n");
> +		clk_put(clk);
>  		return -EINVAL;
>  	}
>  
> @@ -210,6 +211,7 @@ static int __init armada37xx_cpufreq_driver_init(void)
>  		return -EINVAL;
>  
>  	armada37xx_cpufreq_dvfs_setup(nb_pm_base, clk, dvfs->divider);
> +	clk_put(clk);
>  
>  	for (load_lvl = ARMADA_37XX_DVFS_LOAD_0; load_lvl < LOAD_LEVEL_NR;
>  	     load_lvl++) {

Acked-by: Viresh Kumar <viresh.kumar at linaro.org>

-- 
viresh



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