if (*offset == 0)
nr = *offset; if (nr == 0)
qeth_procfile_seq_start(struct seq_file *s, loff_t *offset){	struct list_head *next_card = NULL;	int i = 0;	down_read(&qeth_ccwgroup_driver.driver.bus->subsys.rwsem);	if (*offset == 0)		return SEQ_START_TOKEN;	/* get card at pos *offset */	list_for_each(next_card, &qeth_ccwgroup_driver.driver.devices)		if (++i == *offset)			return next_card;	return NULL;}