old_event
struct ec_event *event, *queue_event, *old_event;
old_event = event_queue_push(dev_data->events, queue_event);
kfree(old_event);
bool old_event;
old_event = state->new_event;
} else if (old_event && state->last_interrupt_time) {
static int old_event(struct seq_oss_devinfo *dp, union evrec *q, struct snd_seq_event *ev);
return old_event(dp, q, ev);