list_for_each_entry_safe(event, tmpevent, &session->events, list)
_ltt_event_destroy(event);
list_for_each_entry_safe(chan, tmpchan, &session->chan, list)
list_for_each_entry_safe(event, tmpevent, &session->events, list)
_ltt_event_destroy(event);
list_for_each_entry_safe(chan, tmpchan, &session->chan, list)