ACPI: Use list_for_each_entry() in acpi_unbind_one()

	struct acpi_device_physical_node *entry;

	struct acpi_device *acpi_dev;

	acpi_status status;

	struct list_head *node, *next;

	if (!ACPI_HANDLE(dev))

		return 0;

		goto err;

	mutex_lock(&acpi_dev->physical_node_lock);

	list_for_each_safe(node, next, &acpi_dev->physical_node_list) {

		char physical_node_name[PHYSICAL_NODE_NAME_SIZE];

		entry = list_entry(node, struct acpi_device_physical_node,

				   node);

		if (entry->dev != dev)

			continue;

	list_for_each_entry(entry, &acpi_dev->physical_node_list, node)

		if (entry->dev == dev) {

			char physnode_name[PHYSICAL_NODE_NAME_SIZE];

		list_del(node);

			list_del(&entry->node);

			acpi_dev->physical_node_count--;

		acpi_physnode_link_name(physical_node_name, entry->node_id);

		sysfs_remove_link(&acpi_dev->dev.kobj, physical_node_name);

			acpi_physnode_link_name(physnode_name, entry->node_id);

			sysfs_remove_link(&acpi_dev->dev.kobj, physnode_name);

			sysfs_remove_link(&dev->kobj, "firmware_node");

			ACPI_HANDLE_SET(dev, NULL);

		/* acpi_bind_one increase refcnt by one */

			/* acpi_bind_one() increase refcnt by one. */

			put_device(dev);

			kfree(entry);

			break;

		}

	mutex_unlock(&acpi_dev->physical_node_lock);

	return 0;