[SCSI] scsi_dh: Do not use scsilun in rdac hardware handler

RDAC storage controller doesn't seem to use the scsilun format. It uses
only the last byte for LUN.

Signed-off-by: Chandra Seetharaman <[e-mail]>
Signed-off-by: James Bottomley <[e-mail]>

drivers/scsi/device_handler/scsi_dh_rdac.c

···
 		if (inqp->page_id[0] != 'e' || inqp->page_id[1] != 'd' ||
 		    inqp->page_id[2] != 'i' || inqp->page_id[3] != 'd')
 			return SCSI_DH_NOSYS;
-		h->lun = scsilun_to_int((struct scsi_lun *)inqp->lun);
+		h->lun = inqp->lun[7]; /* Uses only the last byte */
 	}
 	return err;
 }