Commit b819dc9e authored by Eduardo Valentin's avatar Eduardo Valentin Committed by Zhang Rui

thermal: sysfs: use kcalloc() instead of kzalloc()

Simplify size computation by using kcalloc() for
allocating memory for arrays.

Cc: Zhang Rui <rui.zhang@intel.com>
Cc: linux-pm@vger.kernel.org
Cc: linux-kernel@vger.kernel.org
Signed-off-by: default avatarEduardo Valentin <edubezval@gmail.com>
Signed-off-by: default avatarZhang Rui <rui.zhang@intel.com>
parent 95e3ed15
......@@ -511,7 +511,6 @@ static const struct attribute_group *thermal_zone_attribute_groups[] = {
*/
static int create_trip_attrs(struct thermal_zone_device *tz, int mask)
{
int size = sizeof(struct thermal_attr) * tz->trips;
struct attribute **attrs;
int indx;
......@@ -519,18 +518,22 @@ static int create_trip_attrs(struct thermal_zone_device *tz, int mask)
if (tz->trips <= 0)
return -EINVAL;
tz->trip_type_attrs = kzalloc(size, GFP_KERNEL);
tz->trip_type_attrs = kcalloc(tz->trips, sizeof(*tz->trip_type_attrs),
GFP_KERNEL);
if (!tz->trip_type_attrs)
return -ENOMEM;
tz->trip_temp_attrs = kzalloc(size, GFP_KERNEL);
tz->trip_temp_attrs = kcalloc(tz->trips, sizeof(*tz->trip_temp_attrs),
GFP_KERNEL);
if (!tz->trip_temp_attrs) {
kfree(tz->trip_type_attrs);
return -ENOMEM;
}
if (tz->ops->get_trip_hyst) {
tz->trip_hyst_attrs = kzalloc(size, GFP_KERNEL);
tz->trip_hyst_attrs = kcalloc(tz->trips,
sizeof(*tz->trip_hyst_attrs),
GFP_KERNEL);
if (!tz->trip_hyst_attrs) {
kfree(tz->trip_type_attrs);
kfree(tz->trip_temp_attrs);
......@@ -538,7 +541,7 @@ static int create_trip_attrs(struct thermal_zone_device *tz, int mask)
}
}
attrs = kzalloc(sizeof(*attrs) * tz->trips * 3 + 1, GFP_KERNEL);
attrs = kcalloc(tz->trips * 3 + 1, sizeof(*attrs), GFP_KERNEL);
if (!attrs) {
kfree(tz->trip_type_attrs);
kfree(tz->trip_temp_attrs);
......
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