ACPI: acpi_pad: Fix memory leak in power saving threads
Fix once per second (round_robin_time) memory leak of about 1 KB in each acpi_pad kernel idling thread that is activated. Found by testing with kmemleak. Signed-off-by: Lenny Szubowicz <lszubowi@redhat.com> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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@ -110,6 +110,7 @@ static void round_robin_cpu(unsigned int tsk_index)
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cpumask_andnot(tmp, cpu_online_mask, pad_busy_cpus);
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if (cpumask_empty(tmp)) {
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mutex_unlock(&round_robin_lock);
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free_cpumask_var(tmp);
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return;
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}
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for_each_cpu(cpu, tmp) {
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@ -127,6 +128,8 @@ static void round_robin_cpu(unsigned int tsk_index)
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mutex_unlock(&round_robin_lock);
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set_cpus_allowed_ptr(current, cpumask_of(preferred_cpu));
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free_cpumask_var(tmp);
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}
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static void exit_round_robin(unsigned int tsk_index)
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