[PATCH v1 2/2] thermal: testing: Use DEFINE_FREE() and __free() to simplify code
From: Rafael J. Wysocki
Date: Sun Nov 10 2024 - 08:06:36 EST
From: Rafael J. Wysocki <rafael.j.wysocki@xxxxxxxxx>
Use DEFINE_FREE() to define a __free function for dropping thermal
zone template reference counters and use it along with __free() to
simplify code in some places.
No intentional functional impact.
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@xxxxxxxxx>
---
drivers/thermal/testing/zone.c | 24 +++++++++---------------
1 file changed, 9 insertions(+), 15 deletions(-)
Index: linux-pm/drivers/thermal/testing/zone.c
===================================================================
--- linux-pm.orig/drivers/thermal/testing/zone.c
+++ linux-pm/drivers/thermal/testing/zone.c
@@ -305,6 +305,9 @@ static void tt_put_tt_zone(struct tt_the
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);
@@ -327,9 +330,9 @@ static void tt_zone_add_trip_work_fn(str
int tt_zone_add_trip(const char *arg)
{
+ struct tt_thermal_zone *tt_zone __free(put_tt_zone);
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);
@@ -345,10 +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;
@@ -361,7 +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));
@@ -420,23 +421,18 @@ static int tt_zone_register_tz(struct tt
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))
@@ -444,8 +440,6 @@ int tt_zone_unreg(const char *arg)
tt_zone_unregister_tz(tt_zone);
- tt_put_tt_zone(tt_zone);
-
return 0;
}