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| author | Qiushi Wu <wu000273@umn.edu> | 2020-05-28 00:17:17 +0300 |
|---|---|---|
| committer | Rafael J. Wysocki <rafael.j.wysocki@intel.com> | 2020-05-28 14:45:34 +0300 |
| commit | 6e6c25283dff866308c87b49434c7dbad4774cc0 (patch) | |
| tree | 034da068ffc3d5ef77aac53e41fe7ee165ed390b /drivers/acpi | |
| parent | 9cb1fd0efd195590b828b9b865421ad345a4a145 (diff) | |
| download | linux-6e6c25283dff866308c87b49434c7dbad4774cc0.tar.xz | |
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: 3f8055c35836 ("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>
Diffstat (limited to 'drivers/acpi')
| -rw-r--r-- | drivers/acpi/sysfs.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/drivers/acpi/sysfs.c b/drivers/acpi/sysfs.c index c60d2c6d31d6..3a89909b50a6 100644 --- a/drivers/acpi/sysfs.c +++ b/drivers/acpi/sysfs.c @@ -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; |