static void trim_dev_dax_range()

in bus.c [399:415]

• 15 lines of code
• 2 McCabe index (conditional complexity)

static void trim_dev_dax_range(struct dev_dax *dev_dax)
{
	int i = dev_dax->nr_range - 1;
	struct range *range = &dev_dax->ranges[i].range;
	struct dax_region *dax_region = dev_dax->region;

	device_lock_assert(dax_region->dev);
	dev_dbg(&dev_dax->dev, "delete range[%d]: %#llx:%#llx\n", i,
		(unsigned long long)range->start,
		(unsigned long long)range->end);

	__release_region(&dax_region->res, range->start, range_len(range));
	if (--dev_dax->nr_range == 0) {
		kfree(dev_dax->ranges);
		dev_dax->ranges = NULL;
	}
}