if (!list_empty(&opl4->off_voices))
return list_entry(opl4->off_voices.next, struct opl4_voice, list);
/* then get the oldest key-on voice */
- snd_assert(!list_empty(&opl4->on_voices), );
+ snd_BUG_ON(list_empty(&opl4->on_voices));
return list_entry(opl4->on_voices.next, struct opl4_voice, list);
}