From:   Greg Kroah-Hartman <gregkh@linuxfoundation.org>
To:     linux-kernel@vger.kernel.org
Cc:     rafael@kernel.org, Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Subject: [PATCH 05/12] driver core: class: make class_dev_iter_init() options const
Date:   Mon, 13 Mar 2023 19:18:36 +0100
Message-Id: <20230313181843.1207845-5-gregkh@linuxfoundation.org>
In-Reply-To: <20230313181843.1207845-1-gregkh@linuxfoundation.org>
References: <20230313181843.1207845-1-gregkh@linuxfoundation.org>
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class_dev_iter_init() 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>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
 drivers/base/class.c         | 4 ++--
 include/linux/device/class.h | 4 ++--
 2 files changed, 4 insertions(+), 4 deletions(-)

diff --git a/drivers/base/class.c b/drivers/base/class.c
index 9439c6c7466f..5a60e8895165 100644
--- a/drivers/base/class.c
+++ b/drivers/base/class.c
@@ -284,8 +284,8 @@ EXPORT_SYMBOL_GPL(class_destroy);
  * otherwise if it is NULL, the iteration starts at the beginning of
  * the list.
  */
-void class_dev_iter_init(struct class_dev_iter *iter, struct class *class,
-			 struct device *start, const struct device_type *type)
+void class_dev_iter_init(struct class_dev_iter *iter, const struct class *class,
+			 const struct device *start, const struct device_type *type)
 {
 	struct klist_node *start_knode = NULL;
 
diff --git a/include/linux/device/class.h b/include/linux/device/class.h
index cda598fc5fa0..1f5cfae8db88 100644
--- a/include/linux/device/class.h
+++ b/include/linux/device/class.h
@@ -103,8 +103,8 @@ void class_compat_remove_link(struct class_compat *cls, struct device *dev,
 			      struct device *device_link);
 
 extern void class_dev_iter_init(struct class_dev_iter *iter,
-				struct class *class,
-				struct device *start,
+				const struct class *class,
+				const struct device *start,
 				const struct device_type *type);
 extern struct device *class_dev_iter_next(struct class_dev_iter *iter);
 extern void class_dev_iter_exit(struct class_dev_iter *iter);
-- 
2.39.2