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| author | Lenny Szubowicz <lszubowi@redhat.com> | 2018-03-27 15:56:40 +0200 |
|---|---|---|
| committer | Rafael J. Wysocki <rafael.j.wysocki@intel.com> | 2018-03-30 12:04:58 +0200 |
| commit | 8b29d29abc484d638213dd79a18a95ae7e5bb402 (patch) | |
| tree | 32af5d675dc76c2294ad3172efd3969fd8d7de0d /drivers/acpi/acpi_pad.c | |
| parent | Linux 4.16-rc7 (diff) | |
| download | linux-8b29d29abc484d638213dd79a18a95ae7e5bb402.tar.xz linux-8b29d29abc484d638213dd79a18a95ae7e5bb402.zip | |
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>
Diffstat (limited to 'drivers/acpi/acpi_pad.c')
| -rw-r--r-- | drivers/acpi/acpi_pad.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/acpi/acpi_pad.c b/drivers/acpi/acpi_pad.c index 754431031282..552c1f725b6c 100644 --- a/drivers/acpi/acpi_pad.c +++ b/drivers/acpi/acpi_pad.c @@ -110,6 +110,7 @@ static void round_robin_cpu(unsigned int tsk_index) cpumask_andnot(tmp, cpu_online_mask, pad_busy_cpus); if (cpumask_empty(tmp)) { mutex_unlock(&round_robin_lock); + free_cpumask_var(tmp); return; } for_each_cpu(cpu, tmp) { @@ -127,6 +128,8 @@ static void round_robin_cpu(unsigned int tsk_index) mutex_unlock(&round_robin_lock); set_cpus_allowed_ptr(current, cpumask_of(preferred_cpu)); + + free_cpumask_var(tmp); } static void exit_round_robin(unsigned int tsk_index) |