};
struct dell_wmi_ddv_sensors {
+ bool active;
struct mutex lock; /* protect caching */
unsigned long timestamp;
union acpi_object *obj;
static void dell_wmi_ddv_hwmon_cache_invalidate(struct dell_wmi_ddv_sensors *sensors)
{
+ if (!sensors->active)
+ return;
+
mutex_lock(&sensors->lock);
kfree(sensors->obj);
sensors->obj = NULL;
{
struct dell_wmi_ddv_sensors *sensors = data;
+ sensors->active = false;
mutex_destroy(&sensors->lock);
kfree(sensors->obj);
}
return ERR_PTR(ret);
mutex_init(&sensors->lock);
+ sensors->active = true;
ret = devm_add_action_or_reset(&wdev->dev, dell_wmi_ddv_hwmon_cache_destroy, sensors);
if (ret < 0)
{
struct dell_wmi_ddv_data *data = dev_get_drvdata(dev);
- /* Force re-reading of all sensors */
+ /* Force re-reading of all active sensors */
dell_wmi_ddv_hwmon_cache_invalidate(&data->fans);
dell_wmi_ddv_hwmon_cache_invalidate(&data->temps);