rrd_t rrd_dn;
if ((rrd_file =
- open(file_name, O_WRONLY | O_CREAT | O_TRUNC, 0666)) == NULL) {
+ open(file_name, O_WRONLY | O_CREAT | O_TRUNC, 0666)) < 0) {
rrd_set_error("creating '%s': %s", file_name, rrd_strerror(errno));
rrd_free(rrd);
return (-1);