driver core: device: make device_destroy() take a const class *

device_destroy() does not modify the struct class passed into it, so
mark it as const to enforce this rule.

Cc: "Rafael J. Wysocki" <rafael@kernel.org>
Link: https://lore.kernel.org/r/20230313181843.1207845-9-gregkh@linuxfoundation.orgSigned-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/base/core.c

@@ -4383,7 +4383,7 @@ EXPORT_SYMBOL_GPL(device_create_with_groups);
  * This call unregisters and cleans up a device that was created with a
  * call to device_create().
  */
-void device_destroy(struct class *class, dev_t devt)
+void device_destroy(const struct class *class, dev_t devt)
 {
 	struct device *dev;
 

include/linux/device.h

@@ -1021,7 +1021,7 @@ __printf(6, 7) struct device *
 device_create_with_groups(struct class *cls, struct device *parent, dev_t devt,
 			  void *drvdata, const struct attribute_group **groups,
 			  const char *fmt, ...);
-void device_destroy(struct class *cls, dev_t devt);
+void device_destroy(const struct class *cls, dev_t devt);
 
 int __must_check device_add_groups(struct device *dev,
 				   const struct attribute_group **groups);