kobject: make dynamic_kobj_ktype and kset_ktype const
authorThomas Weißschuh <linux@weissschuh.net>
Sat, 4 Feb 2023 21:59:50 +0000 (21:59 +0000)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Wed, 8 Feb 2023 12:34:20 +0000 (13:34 +0100)
Since commit ee6d3dd4ed48 ("driver core: make kobj_type constant.")
the driver core allows the usage of const struct kobj_type.

Take advantage of this to constify the structure definitions to prevent
modification at runtime.

Signed-off-by: Thomas Weißschuh <linux@weissschuh.net>
Link: https://lore.kernel.org/r/20230204-kobj_type-kobj-v1-1-ddd1b4ef8ab5@weissschuh.net
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
lib/kobject.c

index d20ce15..6e2f0be 100644 (file)
@@ -737,7 +737,7 @@ static void dynamic_kobj_release(struct kobject *kobj)
        kfree(kobj);
 }
 
-static struct kobj_type dynamic_kobj_ktype = {
+static const struct kobj_type dynamic_kobj_ktype = {
        .release        = dynamic_kobj_release,
        .sysfs_ops      = &kobj_sysfs_ops,
 };
@@ -921,7 +921,7 @@ static void kset_get_ownership(const struct kobject *kobj, kuid_t *uid, kgid_t *
                kobject_get_ownership(kobj->parent, uid, gid);
 }
 
-static struct kobj_type kset_ktype = {
+static const struct kobj_type kset_ktype = {
        .sysfs_ops      = &kobj_sysfs_ops,
        .release        = kset_release,
        .get_ownership  = kset_get_ownership,