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Commit 5408211a authored by Dietmar Eggemann's avatar Dietmar Eggemann Committed by Rafael J. Wysocki
Browse files

drivers base/arch_topology: free cpumask cpus_to_visit 



Free cpumask cpus_to_visit in case registering
init_cpu_capacity_notifier has failed or the parsing of the cpu
capacity-dmips-mhz property is done. The cpumask cpus_to_visit is
only used inside the notifier call init_cpu_capacity_callback.

Reported-by: default avatarVincent Guittot <vincent.guittot@linaro.org>
Signed-off-by: default avatarDietmar Eggemann <dietmar.eggemann@arm.com>
Acked-by: default avatarVincent Guittot <vincent.guittot@linaro.org>
Acked-by: default avatarViresh Kumar <viresh.kumar@linaro.org>
Tested-by: default avatarJuri Lelli <juri.lelli@arm.com>
Reviewed-by: default avatarJuri Lelli <juri.lelli@arm.com>
Signed-off-by: default avatarRafael J. Wysocki <rafael.j.wysocki@intel.com>
parent 9e66317d

drivers/base/arch_topology.c

+10 −2
Original line number Diff line number Diff line
@@ -212,6 +212,8 @@ static struct notifier_block init_cpu_capacity_notifier = { 


static int __init register_cpufreq_notifier(void)

{

	int ret;



	/*

	 * on ACPI-based systems we need to use the default cpu capacity

	 * until we have the necessary code to parse the cpu capacity, so
@@ -227,8 +229,13 @@ static int __init register_cpufreq_notifier(void) 


	cpumask_copy(cpus_to_visit, cpu_possible_mask);



	return cpufreq_register_notifier(&init_cpu_capacity_notifier,

	ret = cpufreq_register_notifier(&init_cpu_capacity_notifier,

					CPUFREQ_POLICY_NOTIFIER);



	if (ret)

		free_cpumask_var(cpus_to_visit);



	return ret;

}

core_initcall(register_cpufreq_notifier);
@@ -236,6 +243,7 @@ static void parsing_done_workfn(struct work_struct *work) 
{

	cpufreq_unregister_notifier(&init_cpu_capacity_notifier,

					 CPUFREQ_POLICY_NOTIFIER);

	free_cpumask_var(cpus_to_visit);

}



#else