static int __init acpi_custom_method_init(void)
{
	if (!acpi_debugfs_dir)
		return -ENOENT;

	cm_dentry = debugfs_create_file("custom_method", S_IWUSR,
					acpi_debugfs_dir, NULL, &cm_fops);
	if (!cm_dentry)
		return -ENODEV;

	return 0;
}
Weaknesses in this category are related to the management of permissions, privileges, and other security features that are used to perform access control.