ud.data = host;
ud.free_func = (void (*) (void *)) free_host_config;
- plugin_register_complex_read (cb_name,
+ plugin_register_complex_read (/* group = */ NULL, cb_name,
/* callback = */ cna_read,
/* interval = */ (host->interval > 0) ? &interval : NULL,
/* user data = */ &ud);