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ACPI: sysfs: Fix reference count leak in acpi_sysfs_add_hotplug_profile() 

kobject_init_and_add() takes reference even when it fails.
Thus, when kobject_init_and_add() returns an error,
kobject_put() must be called to properly clean up the kobject.

Fixes: 3f8055c358 ("ACPI / hotplug: Introduce user space interface for hotplug profiles")
Signed-off-by: Qiushi Wu <wu000273@umn.edu>
Cc: 3.10+ <stable@vger.kernel.org> # 3.10+
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
This commit is contained in:
Qiushi Wu 2020-05-27 16:17:17 -05:00 committed by Rafael J. Wysocki
parent 9cb1fd0efd
commit 6e6c25283d
1 changed files with 3 additions and 1 deletions
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4
drivers/acpi/sysfs.c
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@ -993,8 +993,10 @@ void acpi_sysfs_add_hotplug_profile(struct acpi_hotplug_profile *hotplug,
error = kobject_init_and_add(&hotplug->kobj,
&acpi_hotplug_profile_ktype, hotplug_kobj, "%s", name);
if (error)
if (error) {
kobject_put(&hotplug->kobj);
goto err_out;
}
kobject_uevent(&hotplug->kobj, KOBJ_ADD);
return;