static int qeth_halt_channels(struct qeth_card *card)
{
	int rc1 = 0, rc2 = 0, rc3 = 0;

	QETH_CARD_TEXT(card, 3, "haltchs");
	rc1 = qeth_halt_channel(&card->read);
	rc2 = qeth_halt_channel(&card->write);
	rc3 = qeth_halt_channel(&card->data);
	if (rc1)
		return rc1;
	if (rc2)
		return rc2;
	return rc3;
}

The product performs operations on a memory buffer, but it reads from or writes to a memory location outside the buffer's intended boundary. This may result in read or write operations on unexpected memory locations that could be linked to other variables, data structures, or internal program data.