samples/kobject: make kobj_type structure constant
authorThomas Weißschuh <linux@weissschuh.net>
Wed, 8 Feb 2023 03:54:51 +0000 (03:54 +0000)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Wed, 8 Feb 2023 12:34:41 +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 definition to prevent
modification at runtime.

Signed-off-by: Thomas Weißschuh <linux@weissschuh.net>
Link: https://lore.kernel.org/r/20230208-kobj_type-samples-v1-1-fca804a8e9f3@weissschuh.net
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
samples/kobject/kset-example.c

index 52f1acabd47911f09d67fd9b312e60ebdd494ef0..342452282719378121340df37d7834b5ddc59b2e 100644 (file)
@@ -185,7 +185,7 @@ ATTRIBUTE_GROUPS(foo_default);
  * release function, and the set of default attributes we want created
  * whenever a kobject of this type is registered with the kernel.
  */
-static struct kobj_type foo_ktype = {
+static const struct kobj_type foo_ktype = {
        .sysfs_ops = &foo_sysfs_ops,
        .release = foo_release,
        .default_groups = foo_default_groups,