Never directly free @dev after calling device_register() or
device_unregister(), even if device_register() returned an error.
Always use put_device() to give up the reference initialized.
Signed-off-by: Arvind Yadav <arvind.yadav.cs@gmail.com>
Reviewed-by: Chanwoo Choi <cw00.choi@samsung.com>
Signed-off-by: MyungJoo Ham <myungjoo.ham@samsung.com>
err = device_register(&devfreq->dev);
if (err) {
mutex_unlock(&devfreq->lock);
- goto err_dev;
+ put_device(&devfreq->dev);
+ goto err_out;
}
devfreq->trans_table =
mutex_unlock(&devfreq_list_lock);
device_unregister(&devfreq->dev);
+ devfreq = NULL;
err_dev:
if (devfreq)
kfree(devfreq);