scsi: qla2xxx: Declare SCSI host template const

Make it explicit that the SCSI host template is not modified.
Signed-off-by: Bart Van Assche <bvanassche@acm.org>
Link: https://lore.kernel.org/r/20230322195515.1267197-68-bvanassche@acm.orgSigned-off-by: Martin K. Petersen <martin.petersen@oracle.com>

drivers/scsi/qla2xxx/qla_gbl.h

@@ -213,7 +213,7 @@ extern void qla2x00_free_exchoffld_buffer(struct qla_hw_data *);
 
 extern int qla81xx_restart_mpi_firmware(scsi_qla_host_t *);
 
-extern struct scsi_qla_host *qla2x00_create_host(struct scsi_host_template *,
+extern struct scsi_qla_host *qla2x00_create_host(const struct scsi_host_template *,
 	struct qla_hw_data *);
 extern void qla2x00_free_host(struct scsi_qla_host *);
 extern void qla2x00_relogin(struct scsi_qla_host *);

drivers/scsi/qla2xxx/qla_mid.c

@@ -496,7 +496,7 @@ qla24xx_create_vhost(struct fc_vport *fc_vport)
 	scsi_qla_host_t *base_vha = shost_priv(fc_vport->shost);
 	struct qla_hw_data *ha = base_vha->hw;
 	scsi_qla_host_t *vha;
-	struct scsi_host_template *sht = &qla2xxx_driver_template;
+	const struct scsi_host_template *sht = &qla2xxx_driver_template;
 	struct Scsi_Host *host;
 
 	vha = qla2x00_create_host(sht, ha);

drivers/scsi/qla2xxx/qla_os.c

@@ -5004,8 +5004,8 @@ qla2x00_mem_free(struct qla_hw_data *ha)
 	ha->vp_map = NULL;
 }
 
-struct scsi_qla_host *qla2x00_create_host(struct scsi_host_template *sht,
-						struct qla_hw_data *ha)
+struct scsi_qla_host *qla2x00_create_host(const struct scsi_host_template *sht,
+					  struct qla_hw_data *ha)
 {
 	struct Scsi_Host *host;
 	struct scsi_qla_host *vha = NULL;