diff options
| author | Qiushi Wu <wu000273@umn.edu> | 2020-05-28 21:20:46 +0300 |
|---|---|---|
| committer | Rafael J. Wysocki <rafael.j.wysocki@intel.com> | 2020-05-29 19:07:18 +0300 |
| commit | c343bf1ba5efcbf2266a1fe3baefec9cc82f867f (patch) | |
| tree | b10fa65c8091e69f1a1db3ac191073417021f0fc /drivers/cpuidle | |
| parent | a871be6b8eee13a35a3e8e56c62770ef17ee9220 (diff) | |
| download | linux-c343bf1ba5efcbf2266a1fe3baefec9cc82f867f.tar.xz | |
cpuidle: Fix three reference count leaks
kobject_init_and_add() takes reference even when it fails.
If this function returns an error, kobject_put() must be called to
properly clean up the memory associated with the object.
Previous commit "b8eb718348b8" fixed a similar problem.
Signed-off-by: Qiushi Wu <wu000273@umn.edu>
[ rjw: Subject ]
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Diffstat (limited to 'drivers/cpuidle')
| -rw-r--r-- | drivers/cpuidle/sysfs.c | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/drivers/cpuidle/sysfs.c b/drivers/cpuidle/sysfs.c index 14c0eb536787..091d1caceb41 100644 --- a/drivers/cpuidle/sysfs.c +++ b/drivers/cpuidle/sysfs.c @@ -484,7 +484,7 @@ static int cpuidle_add_state_sysfs(struct cpuidle_device *device) ret = kobject_init_and_add(&kobj->kobj, &ktype_state_cpuidle, &kdev->kobj, "state%d", i); if (ret) { - kfree(kobj); + kobject_put(&kobj->kobj); goto error_state; } cpuidle_add_s2idle_attr_group(kobj); @@ -615,7 +615,7 @@ static int cpuidle_add_driver_sysfs(struct cpuidle_device *dev) ret = kobject_init_and_add(&kdrv->kobj, &ktype_driver_cpuidle, &kdev->kobj, "driver"); if (ret) { - kfree(kdrv); + kobject_put(&kdrv->kobj); return ret; } @@ -709,7 +709,7 @@ int cpuidle_add_sysfs(struct cpuidle_device *dev) error = kobject_init_and_add(&kdev->kobj, &ktype_cpuidle, &cpu_dev->kobj, "cpuidle"); if (error) { - kfree(kdev); + kobject_put(&kdev->kobj); return error; } |