linux-kernel - [PATCH 06/12] driver core: class: make class_for_each

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Message-Id: <20230313181843.1207845-6-gregkh@linuxfoundation.org>
Date:   Mon, 13 Mar 2023 19:18:37 +0100
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org
Cc:     rafael@...nel.org, Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Subject: [PATCH 06/12] 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@...nel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
---
 drivers/base/class.c         | 2 +-
 include/linux/device/class.h | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/base/class.c b/drivers/base/class.c
index 5a60e8895165..4937d660c571 100644
--- a/drivers/base/class.c
+++ b/drivers/base/class.c
@@ -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;
diff --git a/include/linux/device/class.h b/include/linux/device/class.h
index 1f5cfae8db88..fdbcd487e508 100644
--- a/include/linux/device/class.h
+++ b/include/linux/device/class.h
@@ -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,
-- 
2.39.2