Messages in this thread Patch in this message | | | From | Eduardo Valentin <> | Subject | [PATCH 03/15] thermal: sysfs: lock tz while on trip_point_type properties | Date | Mon, 30 May 2016 23:31:24 -0700 |
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Serialized calls to tz.ops in user facing sysfs handler trip_point_type_show() and trip_point_temp_store().
Cc: Zhang Rui <rui.zhang@intel.com> Cc: linux-pm@vger.kernel.org Cc: linux-kernel@vger.kernel.org Signed-off-by: Eduardo Valentin <edubezval@gmail.com> --- drivers/thermal/thermal_sysfs.c | 2 ++ 1 file changed, 2 insertions(+)
diff --git a/drivers/thermal/thermal_sysfs.c b/drivers/thermal/thermal_sysfs.c index 1db2406..b69036e 100644 --- a/drivers/thermal/thermal_sysfs.c +++ b/drivers/thermal/thermal_sysfs.c @@ -114,7 +114,9 @@ trip_point_type_show(struct device *dev, struct device_attribute *attr, if (sscanf(attr->attr.name, "trip_point_%d_type", &trip) != 1) return -EINVAL; + mutex_lock(&tz->lock); result = tz->ops->get_trip_type(tz, trip, &type); + mutex_unlock(&tz->lock); if (result) return result; -- 2.1.4
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