_cleanup_strv_free_ char **files = NULL;
char **f;
- r = conf_files_list_nulstr(&files, ".conf", NULL, conf_file_dirs);
+ r = conf_files_list_nulstr(&files, ".conf", NULL, 0, conf_file_dirs);
if (r < 0) {
log_error_errno(r, "Failed to enumerate sysctl.d files: %m");
goto finish;