Commit 69df024e authored by Greg Kroah-Hartman's avatar Greg Kroah-Hartman
Browse files

driver core: class: make class_for_each_device() options const 

class_for_each_device() does not modify the struct class or the struct
device passed into it, so mark them as const * to enforce that.

Cc: "Rafael J. Wysocki" <rafael@kernel.org>
Link: https://lore.kernel.org/r/20230313181843.1207845-6-gregkh@linuxfoundation.org


Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent a2fd6e42

drivers/base/class.c

+1 −1
Original line number Diff line number Diff line
@@ -355,7 +355,7 @@ EXPORT_SYMBOL_GPL(class_dev_iter_exit); 
 * @fn is allowed to do anything including calling back into class

 * code.  There's no locking restriction.

 */

int class_for_each_device(struct class *class, struct device *start,

int class_for_each_device(const struct class *class, const struct device *start,

			  void *data, int (*fn)(struct device *, void *))

{

	struct class_dev_iter iter;

include/linux/device/class.h

+1 −1
Original line number Diff line number Diff line
@@ -109,7 +109,7 @@ extern void class_dev_iter_init(struct class_dev_iter *iter, 
extern struct device *class_dev_iter_next(struct class_dev_iter *iter);

extern void class_dev_iter_exit(struct class_dev_iter *iter);



extern int class_for_each_device(struct class *class, struct device *start,

extern int class_for_each_device(const struct class *class, const struct device *start,

				 void *data,

				 int (*fn)(struct device *dev, void *data));

extern struct device *class_find_device(struct class *class,