static int __free_dev_dax_id()

in bus.c [436:449]

• 12 lines of code
• 3 McCabe index (conditional complexity)

static int __free_dev_dax_id(struct dev_dax *dev_dax)
{
	struct dax_region *dax_region = dev_dax->region;
	struct device *dev = &dev_dax->dev;
	int rc = dev_dax->id;

	device_lock_assert(dev);

	if (is_static(dax_region) || dev_dax->id < 0)
		return -1;
	ida_free(&dax_region->ida, dev_dax->id);
	dev_dax->id = -1;
	return rc;
}