static void devfreq_dev_release()

in devfreq.c [725:766]

• 36 lines of code
• 11 McCabe index (conditional complexity)

static void devfreq_dev_release(struct device *dev)
{
	struct devfreq *devfreq = to_devfreq(dev);
	int err;

	mutex_lock(&devfreq_list_lock);
	list_del(&devfreq->node);
	mutex_unlock(&devfreq_list_lock);

	err = dev_pm_qos_remove_notifier(devfreq->dev.parent, &devfreq->nb_max,
					 DEV_PM_QOS_MAX_FREQUENCY);
	if (err && err != -ENOENT)
		dev_warn(dev->parent,
			"Failed to remove max_freq notifier: %d\n", err);
	err = dev_pm_qos_remove_notifier(devfreq->dev.parent, &devfreq->nb_min,
					 DEV_PM_QOS_MIN_FREQUENCY);
	if (err && err != -ENOENT)
		dev_warn(dev->parent,
			"Failed to remove min_freq notifier: %d\n", err);

	if (dev_pm_qos_request_active(&devfreq->user_max_freq_req)) {
		err = dev_pm_qos_remove_request(&devfreq->user_max_freq_req);
		if (err < 0)
			dev_warn(dev->parent,
				"Failed to remove max_freq request: %d\n", err);
	}
	if (dev_pm_qos_request_active(&devfreq->user_min_freq_req)) {
		err = dev_pm_qos_remove_request(&devfreq->user_min_freq_req);
		if (err < 0)
			dev_warn(dev->parent,
				"Failed to remove min_freq request: %d\n", err);
	}

	if (devfreq->profile->exit)
		devfreq->profile->exit(devfreq->dev.parent);

	if (devfreq->opp_table)
		dev_pm_opp_put_opp_table(devfreq->opp_table);

	mutex_destroy(&devfreq->lock);
	kfree(devfreq);
}