[ Upstream commit
4748f9687caaeefab8578285b97b2f30789fc4b4 ]
In some error paths before device_register(), the names allocated
by dev_set_name() are not freed. Move dev_set_name() front to
device_register(), so the name can be freed while calling
put_device().
Fixes:
1dd7128b839f ("thermal/core: Fix null pointer dereference in thermal_release()")
Signed-off-by: Yang Yingliang <yangyingliang@huawei.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
cdev->id = ret;
id = ret;
cdev->id = ret;
id = ret;
- ret = dev_set_name(&cdev->device, "cooling_device%d", cdev->id);
- if (ret)
- goto out_ida_remove;
-
cdev->type = kstrdup(type ? type : "", GFP_KERNEL);
if (!cdev->type) {
ret = -ENOMEM;
cdev->type = kstrdup(type ? type : "", GFP_KERNEL);
if (!cdev->type) {
ret = -ENOMEM;
cdev->device.class = &thermal_class;
cdev->devdata = devdata;
thermal_cooling_device_setup_sysfs(cdev);
cdev->device.class = &thermal_class;
cdev->devdata = devdata;
thermal_cooling_device_setup_sysfs(cdev);
+ ret = dev_set_name(&cdev->device, "cooling_device%d", cdev->id);
+ if (ret) {
+ thermal_cooling_device_destroy_sysfs(cdev);
+ goto out_kfree_type;
+ }
ret = device_register(&cdev->device);
if (ret)
goto out_kfree_type;
ret = device_register(&cdev->device);
if (ret)
goto out_kfree_type;
tz->id = id;
strscpy(tz->type, type, sizeof(tz->type));
tz->id = id;
strscpy(tz->type, type, sizeof(tz->type));
- result = dev_set_name(&tz->device, "thermal_zone%d", tz->id);
- if (result)
- goto remove_id;
-
if (!ops->critical)
ops->critical = thermal_zone_device_critical;
if (!ops->critical)
ops->critical = thermal_zone_device_critical;
/* A new thermal zone needs to be updated anyway. */
atomic_set(&tz->need_update, 1);
/* A new thermal zone needs to be updated anyway. */
atomic_set(&tz->need_update, 1);
+ result = dev_set_name(&tz->device, "thermal_zone%d", tz->id);
+ if (result) {
+ thermal_zone_destroy_device_groups(tz);
+ goto remove_id;
+ }
result = device_register(&tz->device);
if (result)
goto release_device;
result = device_register(&tz->device);
if (result)
goto release_device;