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Date:   Mon, 21 Nov 2022 10:46:46 +0100
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        "Rafael J. Wysocki" <rafael@...nel.org>
Subject: [PATCH 2/5] kobject: make kobject_namespace take a const *

kobject_namespace() should take a const *kobject as it does not modify
the kobject passed to it.  Change that, and the functions
kobj_child_ns_ops() and kobj_ns_ops() needed to also be changed to const
*.

Cc: "Rafael J. Wysocki" <rafael@...nel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
---
 include/linux/kobject.h    | 2 +-
 include/linux/kobject_ns.h | 4 ++--
 lib/kobject.c              | 6 +++---
 3 files changed, 6 insertions(+), 6 deletions(-)

diff --git a/include/linux/kobject.h b/include/linux/kobject.h
index d978dbceb50d..5a2d58e10bf5 100644
--- a/include/linux/kobject.h
+++ b/include/linux/kobject.h
@@ -112,7 +112,7 @@ extern struct kobject * __must_check kobject_get_unless_zero(
 						struct kobject *kobj);
 extern void kobject_put(struct kobject *kobj);
 
-extern const void *kobject_namespace(struct kobject *kobj);
+extern const void *kobject_namespace(const struct kobject *kobj);
 extern void kobject_get_ownership(const struct kobject *kobj,
 				  kuid_t *uid, kgid_t *gid);
 extern char *kobject_get_path(const struct kobject *kobj, gfp_t flag);
diff --git a/include/linux/kobject_ns.h b/include/linux/kobject_ns.h
index 2b5b64256cf4..be707748e7ce 100644
--- a/include/linux/kobject_ns.h
+++ b/include/linux/kobject_ns.h
@@ -47,8 +47,8 @@ struct kobj_ns_type_operations {
 
 int kobj_ns_type_register(const struct kobj_ns_type_operations *ops);
 int kobj_ns_type_registered(enum kobj_ns_type type);
-const struct kobj_ns_type_operations *kobj_child_ns_ops(struct kobject *parent);
-const struct kobj_ns_type_operations *kobj_ns_ops(struct kobject *kobj);
+const struct kobj_ns_type_operations *kobj_child_ns_ops(const struct kobject *parent);
+const struct kobj_ns_type_operations *kobj_ns_ops(const struct kobject *kobj);
 
 bool kobj_ns_current_may_mount(enum kobj_ns_type type);
 void *kobj_ns_grab_current(enum kobj_ns_type type);
diff --git a/lib/kobject.c b/lib/kobject.c
index 26e744a46d24..6e0bf03f4f36 100644
--- a/lib/kobject.c
+++ b/lib/kobject.c
@@ -25,7 +25,7 @@
  * and thus @kobj should have a namespace tag associated with it.  Returns
  * %NULL otherwise.
  */
-const void *kobject_namespace(struct kobject *kobj)
+const void *kobject_namespace(const struct kobject *kobj)
 {
 	const struct kobj_ns_type_operations *ns_ops = kobj_ns_ops(kobj);
 
@@ -1039,7 +1039,7 @@ int kobj_ns_type_registered(enum kobj_ns_type type)
 	return registered;
 }
 
-const struct kobj_ns_type_operations *kobj_child_ns_ops(struct kobject *parent)
+const struct kobj_ns_type_operations *kobj_child_ns_ops(const struct kobject *parent)
 {
 	const struct kobj_ns_type_operations *ops = NULL;
 
@@ -1049,7 +1049,7 @@ const struct kobj_ns_type_operations *kobj_child_ns_ops(struct kobject *parent)
 	return ops;
 }
 
-const struct kobj_ns_type_operations *kobj_ns_ops(struct kobject *kobj)
+const struct kobj_ns_type_operations *kobj_ns_ops(const struct kobject *kobj)
 {
 	return kobj_child_ns_ops(kobj->parent);
 }
-- 
2.38.1

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