struct ata_port *ap = ata_shost_to_port(sdev->host);
        struct nv_adma_port_priv *pp = ap->private_data;
        struct nv_adma_port_priv *port0, *port1;
-       struct scsi_device *sdev0, *sdev1;
        struct pci_dev *pdev = to_pci_dev(ap->host->dev);
        unsigned long segment_boundary, flags;
        unsigned short sg_tablesize;
 
        port0 = ap->host->ports[0]->private_data;
        port1 = ap->host->ports[1]->private_data;
-       sdev0 = ap->host->ports[0]->link.device[0].sdev;
-       sdev1 = ap->host->ports[1]->link.device[0].sdev;
        if ((port0->flags & NV_ADMA_ATAPI_SETUP_COMPLETE) ||
            (port1->flags & NV_ADMA_ATAPI_SETUP_COMPLETE)) {
                /*