diff options
| author | Rafael J. Wysocki <rafael.j.wysocki@intel.com> | 2024-10-11 00:05:25 +0200 |
|---|---|---|
| committer | Rafael J. Wysocki <rafael.j.wysocki@intel.com> | 2024-10-23 11:56:19 +0200 |
| commit | cba00d16a2b0b0cfc8266124266ed23ab9eae918 (patch) | |
| tree | 7e6252c801a6599c4f92b4b4775015d5e3e72ef4 /drivers/thermal/thermal_hwmon.c | |
| parent | 17f76be51c52338d9632070cce2b181a7517f03d (diff) | |
thermal: core: Add and use thermal zone guard
Add and use a guard for thermal zone locking.
This allows quite a few error code paths to be simplified among
other things and brings in a noticeable code size reduction for
a good measure.
No intentional functional impact.
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Link: https://patch.msgid.link/1930069.tdWV9SEqCh@rjwysocki.net
Reviewed-by: Lukasz Luba <lukasz.luba@arm.com>
Diffstat (limited to 'drivers/thermal/thermal_hwmon.c')
| -rw-r--r-- | drivers/thermal/thermal_hwmon.c | 5 |
1 files changed, 1 insertions, 4 deletions
diff --git a/drivers/thermal/thermal_hwmon.c b/drivers/thermal/thermal_hwmon.c index f0e504fd866a..37da7a8ea948 100644 --- a/drivers/thermal/thermal_hwmon.c +++ b/drivers/thermal/thermal_hwmon.c @@ -78,12 +78,9 @@ temp_crit_show(struct device *dev, struct device_attribute *attr, char *buf) int temperature; int ret; - mutex_lock(&tz->lock); + guard(thermal_zone)(tz); ret = tz->ops.get_crit_temp(tz, &temperature); - - mutex_unlock(&tz->lock); - if (ret) return ret; |