int err;
if (!pt->wn.task)
- return 0;
+ return 1;
err = task_status(pt->wn.task);
if (err >= 0)
return 0;
decoder = filter_get(pt->fn.filter_num);
task_reap(&pt->fn.task);
- if (decoder->close)
+ if (decoder && decoder->close)
decoder->close(&pt->fn);
btr_remove_node(&pt->fn.btrn);
lls_free_parse_result(pt->fn.lpr, FILTER_CMD(pt->fn.filter_num));