With commit 
83ea0e5e3501 ("scsi_dh_alua: use scsi_vpd_tpg_id()") these
variables became obsolete, but weren't removed.
[mkp: Fixed checkpatch warning]
Signed-off-by: Hannes Reinecke <hare@suse.de>
Reviewed-by: Johannes Thumshirn <jthumshirn@suse.de>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
 
  */
 static int alua_check_vpd(struct scsi_device *sdev, struct alua_dh_data *h)
 {
-       unsigned char *d;
-       unsigned char __rcu *vpd_pg83;
        int rel_port = -1, group_id;
 
        group_id = scsi_vpd_tpg_id(sdev, &rel_port);