static umode_t dev_dax_visible()

in bus.c [1242:1258]

• 16 lines of code
• 10 McCabe index (conditional complexity)

static umode_t dev_dax_visible(struct kobject *kobj, struct attribute *a, int n)
{
	struct device *dev = container_of(kobj, struct device, kobj);
	struct dev_dax *dev_dax = to_dev_dax(dev);
	struct dax_region *dax_region = dev_dax->region;

	if (a == &dev_attr_target_node.attr && dev_dax_target_node(dev_dax) < 0)
		return 0;
	if (a == &dev_attr_numa_node.attr && !IS_ENABLED(CONFIG_NUMA))
		return 0;
	if (a == &dev_attr_mapping.attr && is_static(dax_region))
		return 0;
	if ((a == &dev_attr_align.attr ||
	     a == &dev_attr_size.attr) && is_static(dax_region))
		return 0444;
	return a->mode;
}