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path: root/drivers/thermal/testing/zone.c
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Diffstat (limited to 'drivers/thermal/testing/zone.c')
-rw-r--r--drivers/thermal/testing/zone.c41
1 files changed, 15 insertions, 26 deletions
diff --git a/drivers/thermal/testing/zone.c b/drivers/thermal/testing/zone.c
index c6d8c66f40f9..1f4e450100e2 100644
--- a/drivers/thermal/testing/zone.c
+++ b/drivers/thermal/testing/zone.c
@@ -185,7 +185,7 @@ static void tt_add_tz_work_fn(struct work_struct *work)
int tt_add_tz(void)
{
struct tt_thermal_zone *tt_zone __free(kfree);
- struct tt_work *tt_work __free(kfree);
+ struct tt_work *tt_work __free(kfree) = NULL;
int ret;
tt_zone = kzalloc(sizeof(*tt_zone), GFP_KERNEL);
@@ -237,7 +237,7 @@ static void tt_zone_unregister_tz(struct tt_thermal_zone *tt_zone)
int tt_del_tz(const char *arg)
{
- struct tt_work *tt_work __free(kfree);
+ struct tt_work *tt_work __free(kfree) = NULL;
struct tt_thermal_zone *tt_zone, *aux;
int ret;
int id;
@@ -288,19 +288,14 @@ static struct tt_thermal_zone *tt_get_tt_zone(const char *arg)
guard(mutex)(&tt_thermal_zones_lock);
- ret = -EINVAL;
list_for_each_entry(tt_zone, &tt_thermal_zones, list_node) {
if (tt_zone->id == id) {
tt_zone->refcount++;
- ret = 0;
- break;
+ return tt_zone;
}
}
- if (ret)
- return ERR_PTR(ret);
-
- return tt_zone;
+ return ERR_PTR(-EINVAL);
}
static void tt_put_tt_zone(struct tt_thermal_zone *tt_zone)
@@ -310,6 +305,9 @@ static void tt_put_tt_zone(struct tt_thermal_zone *tt_zone)
tt_zone->refcount--;
}
+DEFINE_FREE(put_tt_zone, struct tt_thermal_zone *,
+ if (!IS_ERR_OR_NULL(_T)) tt_put_tt_zone(_T))
+
static void tt_zone_add_trip_work_fn(struct work_struct *work)
{
struct tt_work *tt_work = tt_work_of_work(work);
@@ -332,9 +330,9 @@ static void tt_zone_add_trip_work_fn(struct work_struct *work)
int tt_zone_add_trip(const char *arg)
{
+ struct tt_thermal_zone *tt_zone __free(put_tt_zone) = NULL;
+ struct tt_trip *tt_trip __free(kfree) = NULL;
struct tt_work *tt_work __free(kfree);
- struct tt_trip *tt_trip __free(kfree);
- struct tt_thermal_zone *tt_zone;
int id;
tt_work = kzalloc(sizeof(*tt_work), GFP_KERNEL);
@@ -350,10 +348,8 @@ int tt_zone_add_trip(const char *arg)
return PTR_ERR(tt_zone);
id = ida_alloc(&tt_zone->ida, GFP_KERNEL);
- if (id < 0) {
- tt_put_tt_zone(tt_zone);
+ if (id < 0)
return id;
- }
tt_trip->trip.type = THERMAL_TRIP_ACTIVE;
tt_trip->trip.temperature = THERMAL_TEMP_INVALID;
@@ -366,7 +362,7 @@ int tt_zone_add_trip(const char *arg)
tt_zone->num_trips++;
INIT_WORK(&tt_work->work, tt_zone_add_trip_work_fn);
- tt_work->tt_zone = tt_zone;
+ tt_work->tt_zone = no_free_ptr(tt_zone);
tt_work->tt_trip = no_free_ptr(tt_trip);
schedule_work(&(no_free_ptr(tt_work)->work));
@@ -391,7 +387,7 @@ static struct thermal_zone_device_ops tt_zone_ops = {
static int tt_zone_register_tz(struct tt_thermal_zone *tt_zone)
{
- struct thermal_trip *trips __free(kfree);
+ struct thermal_trip *trips __free(kfree) = NULL;
struct thermal_zone_device *tz;
struct tt_trip *tt_trip;
int i;
@@ -425,23 +421,18 @@ static int tt_zone_register_tz(struct tt_thermal_zone *tt_zone)
int tt_zone_reg(const char *arg)
{
- struct tt_thermal_zone *tt_zone;
- int ret;
+ struct tt_thermal_zone *tt_zone __free(put_tt_zone);
tt_zone = tt_get_tt_zone(arg);
if (IS_ERR(tt_zone))
return PTR_ERR(tt_zone);
- ret = tt_zone_register_tz(tt_zone);
-
- tt_put_tt_zone(tt_zone);
-
- return ret;
+ return tt_zone_register_tz(tt_zone);
}
int tt_zone_unreg(const char *arg)
{
- struct tt_thermal_zone *tt_zone;
+ struct tt_thermal_zone *tt_zone __free(put_tt_zone);
tt_zone = tt_get_tt_zone(arg);
if (IS_ERR(tt_zone))
@@ -449,8 +440,6 @@ int tt_zone_unreg(const char *arg)
tt_zone_unregister_tz(tt_zone);
- tt_put_tt_zone(tt_zone);
-
return 0;
}