[PATCH v3 03/80] scsi: core: Declare SCSI host template pointer members const

[Bart Van Assche <bvanassche@acm.org>]

Declare the SCSI host template pointer members const and also the
remaining SCSI host template pointers in the SCSI core.

Reviewed-by: Benjamin Block <bblock@linux.ibm.com>
Reviewed-by: John Garry <john.g.garry@oracle.com>
Cc: Christoph Hellwig <hch@lst.de>
Cc: Ming Lei <ming.lei@redhat.com>
Cc: Hannes Reinecke <hare@suse.de>
Cc: Mike Christie <michael.christie@oracle.com>
Signed-off-by: Bart Van Assche <bvanassche@acm.org>
---
 Documentation/scsi/scsi_mid_low_api.rst | 2 +-
 drivers/scsi/hosts.c                    | 4 ++--
 include/linux/raid_class.h              | 2 +-
 include/scsi/libfc.h                    | 2 +-
 include/scsi/scsi_host.h                | 4 ++--
 5 files changed, 7 insertions(+), 7 deletions(-)

diff --git a/Documentation/scsi/scsi_mid_low_api.rst b/Documentation/scsi/scsi_mid_low_api.rst
index a8c5bd15a440..6fa3a6279501 100644
--- a/Documentation/scsi/scsi_mid_low_api.rst
+++ b/Documentation/scsi/scsi_mid_low_api.rst
@@ -436,7 +436,7 @@ Details::
     *
     *      Defined in: drivers/scsi/hosts.c .
     **/
-    struct Scsi_Host * scsi_host_alloc(struct scsi_host_template * sht,
+    struct Scsi_Host * scsi_host_alloc(const struct scsi_host_template * sht,
 				    int privsize)
 
 
diff --git a/drivers/scsi/hosts.c b/drivers/scsi/hosts.c
index f7f62e56afca..0ac3289f6b09 100644
--- a/drivers/scsi/hosts.c
+++ b/drivers/scsi/hosts.c
@@ -219,7 +219,7 @@ EXPORT_SYMBOL(scsi_remove_host);
 int scsi_add_host_with_dma(struct Scsi_Host *shost, struct device *dev,
 			   struct device *dma_dev)
 {
-	struct scsi_host_template *sht = shost->hostt;
+	const struct scsi_host_template *sht = shost->hostt;
 	int error = -EINVAL;
 
 	shost_printk(KERN_INFO, shost, "%s\n",
@@ -392,7 +392,7 @@ static struct device_type scsi_host_type = {
  * Return value:
  * 	Pointer to a new Scsi_Host
  **/
-struct Scsi_Host *scsi_host_alloc(struct scsi_host_template *sht, int privsize)
+struct Scsi_Host *scsi_host_alloc(const struct scsi_host_template *sht, int privsize)
 {
 	struct Scsi_Host *shost;
 	int index;
diff --git a/include/linux/raid_class.h b/include/linux/raid_class.h
index 5cdfcb873a8f..6a9b177d5c41 100644
--- a/include/linux/raid_class.h
+++ b/include/linux/raid_class.h
@@ -11,7 +11,7 @@ struct raid_template {
 };
 
 struct raid_function_template {
-	void *cookie;
+	const void *cookie;
 	int (*is_raid)(struct device *);
 	void (*get_resync)(struct device *);
 	void (*get_state)(struct device *);
diff --git a/include/scsi/libfc.h b/include/scsi/libfc.h
index 6e29e1719db1..eca6fd42d7f7 100644
--- a/include/scsi/libfc.h
+++ b/include/scsi/libfc.h
@@ -866,7 +866,7 @@ static inline void *lport_priv(const struct fc_lport *lport)
  * Returns: libfc lport
  */
 static inline struct fc_lport *
-libfc_host_alloc(struct scsi_host_template *sht, int priv_size)
+libfc_host_alloc(const struct scsi_host_template *sht, int priv_size)
 {
 	struct fc_lport *lport;
 	struct Scsi_Host *shost;
diff --git a/include/scsi/scsi_host.h b/include/scsi/scsi_host.h
index 587cc767bb67..0f29799efa02 100644
--- a/include/scsi/scsi_host.h
+++ b/include/scsi/scsi_host.h
@@ -554,7 +554,7 @@ struct Scsi_Host {
 	struct completion     * eh_action; /* Wait for specific actions on the
 					      host. */
 	wait_queue_head_t       host_wait;
-	struct scsi_host_template *hostt;
+	const struct scsi_host_template *hostt;
 	struct scsi_transport_template *transportt;
 
 	struct kref		tagset_refcnt;
@@ -747,7 +747,7 @@ static inline int scsi_host_in_recovery(struct Scsi_Host *shost)
 extern int scsi_queue_work(struct Scsi_Host *, struct work_struct *);
 extern void scsi_flush_work(struct Scsi_Host *);
 
-extern struct Scsi_Host *scsi_host_alloc(struct scsi_host_template *, int);
+extern struct Scsi_Host *scsi_host_alloc(const struct scsi_host_template *, int);
 extern int __must_check scsi_add_host_with_dma(struct Scsi_Host *,
 					       struct device *,
 					       struct device *);