static void ex_assign_manuf_info(struct domain_device *dev, void
					*_mi_resp)
{
	u8 *mi_resp = _mi_resp;
	struct sas_rphy *rphy = dev->rphy;
	struct sas_expander_device *edev = rphy_to_expander_device(rphy);

	memcpy(edev->vendor_id, mi_resp + 12, SAS_EXPANDER_VENDOR_ID_LEN);
	memcpy(edev->product_id, mi_resp + 20, SAS_EXPANDER_PRODUCT_ID_LEN);
	memcpy(edev->product_rev, mi_resp + 36,
	       SAS_EXPANDER_PRODUCT_REV_LEN);

	if (mi_resp[8] & 1) {
		memcpy(edev->component_vendor_id, mi_resp + 40,
		       SAS_EXPANDER_COMPONENT_VENDOR_ID_LEN);
		edev->component_id = mi_resp[48] << 8 | mi_resp[49];
		edev->component_revision_id = mi_resp[50];
	}
}

The product does not release a resource after its effective lifetime has ended, i.e., after the resource is no longer needed.