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Merge branch 'next' of git://git.kernel.org/pub/scm/linux/kernel/git/rzhang/linux 

Pull thermal management updates from Zhang Rui:

 - Fix a use-after-free issue when unregistering a thermal cooling
   device (Dmitry Osipenko)

 - use power_efficient_wq for thermal worker to save more power (Jeson
   Gao)

* 'next' of git://git.kernel.org/pub/scm/linux/kernel/git/rzhang/linux:
  thermal: core: using power_efficient_wq for thermal worker
  thermal: core: Fix use-after-free in thermal_cooling_device_destroy_sysfs
hifive-unleashed-5.1
Linus Torvalds 2018-10-31 11:28:12 -07:00
parent 519f64bf15 c2b59d279d
commit d547d44e5c
1 changed files with 6 additions and 3 deletions
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9
drivers/thermal/thermal_core.c
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@ -290,10 +290,12 @@ static void thermal_zone_device_set_polling(struct thermal_zone_device *tz,
int delay)
{
if (delay > 1000)
mod_delayed_work(system_freezable_wq, &tz->poll_queue,
mod_delayed_work(system_freezable_power_efficient_wq,
&tz->poll_queue,
round_jiffies(msecs_to_jiffies(delay)));
else if (delay)
mod_delayed_work(system_freezable_wq, &tz->poll_queue,
mod_delayed_work(system_freezable_power_efficient_wq,
&tz->poll_queue,
msecs_to_jiffies(delay));
else
cancel_delayed_work(&tz->poll_queue);
@ -1102,8 +1104,9 @@ void thermal_cooling_device_unregister(struct thermal_cooling_device *cdev)
mutex_unlock(&thermal_list_lock);
ida_simple_remove(&thermal_cdev_ida, cdev->id);
device_unregister(&cdev->device);
device_del(&cdev->device);
thermal_cooling_device_destroy_sysfs(cdev);
put_device(&cdev->device);
}
EXPORT_SYMBOL_GPL(thermal_cooling_device_unregister);