diff --git a/drivers/scsi/qla2xxx/qla_fw.h b/drivers/scsi/qla2xxx/qla_fw.h
index fd9df163410c0e624c563eaa3048b2bb4484e6de..63f611904a6c9ec1112a35f6f2b79b2cf94dab93 100644
--- a/drivers/scsi/qla2xxx/qla_fw.h
+++ b/drivers/scsi/qla2xxx/qla_fw.h
@@ -394,7 +394,7 @@ struct cmd_type_6 {
 
 	uint16_t fcp_rsp_dsd_len;	/* FCP_RSP DSD length. */
 
-	uint8_t lun[8];			/* FCP LUN (BE). */
+	struct scsi_lun lun;		/* FCP LUN (BE). */
 
 	uint16_t control_flags;		/* Control flags. */
 #define CF_DATA_SEG_DESCR_ENABLE	BIT_2
@@ -432,7 +432,7 @@ struct cmd_type_7 {
 	uint16_t dseg_count;		/* Data segment count. */
 	uint16_t reserved_1;
 
-	uint8_t lun[8];			/* FCP LUN (BE). */
+	struct scsi_lun lun;		/* FCP LUN (BE). */
 
 	uint16_t task_mgmt_flags;	/* Task management flags. */
 #define TMF_CLEAR_ACA		BIT_14
diff --git a/drivers/scsi/qla2xxx/qla_iocb.c b/drivers/scsi/qla2xxx/qla_iocb.c
index d7355627f11045b7e1c4064c5e955035bf9d1ad5..b58ee79177bc68c2b2b004632da8dd8a7a9ae29f 100644
--- a/drivers/scsi/qla2xxx/qla_iocb.c
+++ b/drivers/scsi/qla2xxx/qla_iocb.c
@@ -839,8 +839,7 @@ qla24xx_start_scsi(srb_t *sp)
 	cmd_pkt->port_id[1] = sp->fcport->d_id.b.area;
 	cmd_pkt->port_id[2] = sp->fcport->d_id.b.domain;
 
-	cmd_pkt->lun[1] = LSB(sp->cmd->device->lun);
-	cmd_pkt->lun[2] = MSB(sp->cmd->device->lun);
+	int_to_scsilun(sp->cmd->device->lun, &cmd_pkt->lun);
 
 	/* Update tagged queuing modifier -- default is TSK_SIMPLE (0). */
 	if (scsi_populate_tag_msg(cmd, tag)) {