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| author | Dietmar Eggemann <dietmar.eggemann@arm.com> | 2017-09-26 18:41:06 +0200 |
|---|---|---|
| committer | Rafael J. Wysocki <rafael.j.wysocki@intel.com> | 2017-10-03 02:37:52 +0200 |
| commit | 5408211a8f290ace85147858f4e05e18b942f489 (patch) | |
| tree | 1605d21a3cd0f1d3a21a84c0af309ff4fe844e41 /drivers/base | |
| parent | Linux 4.14-rc3 (diff) | |
| download | linux-5408211a8f290ace85147858f4e05e18b942f489.tar.xz linux-5408211a8f290ace85147858f4e05e18b942f489.zip | |
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: Vincent Guittot <vincent.guittot@linaro.org>
Signed-off-by: Dietmar Eggemann <dietmar.eggemann@arm.com>
Acked-by: Vincent Guittot <vincent.guittot@linaro.org>
Acked-by: Viresh Kumar <viresh.kumar@linaro.org>
Tested-by: Juri Lelli <juri.lelli@arm.com>
Reviewed-by: Juri Lelli <juri.lelli@arm.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Diffstat (limited to 'drivers/base')
| -rw-r--r-- | drivers/base/arch_topology.c | 12 |
1 files changed, 10 insertions, 2 deletions
diff --git a/drivers/base/arch_topology.c b/drivers/base/arch_topology.c index 41be9ff7d70a..e9bb368f32b3 100644 --- a/drivers/base/arch_topology.c +++ b/drivers/base/arch_topology.c @@ -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, - CPUFREQ_POLICY_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 |