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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: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Greg Kroah-Hartman 2023-03-13 19:18:37 +01:00
parent a2fd6e42e4
commit 69df024ebb
2 changed files with 2 additions and 2 deletions
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2
drivers/base/class.c
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@ -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;

2
include/linux/device/class.h
View File

@ -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,