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driver core: bus: constify class_unregister/destroy()

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The class_unregister() and class_destroy() function should be taking a
const * to struct class, not just a *, so fix that up.

Cc: "Rafael J. Wysocki" <rafael@kernel.org>
Link: https://lore.kernel.org/r/20230325084526.3622123-1-gregkh@linuxfoundation.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Greg Kroah-Hartman 2023-03-25 09:45:26 +01:00
parent 2f9e87f5a2
commit 517d4927aa
2 changed files with 6 additions and 6 deletions
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8
drivers/base/class.c
View file

@ -142,13 +142,13 @@ static void klist_class_dev_put(struct klist_node *n)
put_device(dev);
}
static int class_add_groups(struct class *cls,
static int class_add_groups(const struct class *cls,
const struct attribute_group **groups)
{
return sysfs_create_groups(&cls->p->subsys.kobj, groups);
}
static void class_remove_groups(struct class *cls,
static void class_remove_groups(const struct class *cls,
const struct attribute_group **groups)
{
return sysfs_remove_groups(&cls->p->subsys.kobj, groups);
@ -206,7 +206,7 @@ int class_register(struct class *cls)
}
EXPORT_SYMBOL_GPL(class_register);
void class_unregister(struct class *cls)
void class_unregister(const struct class *cls)
{
pr_debug("device class '%s': unregistering\n", cls->name);
class_remove_groups(cls, cls->class_groups);
@ -265,7 +265,7 @@ EXPORT_SYMBOL_GPL(class_create);
* Note, the pointer to be destroyed must have been created with a call
* to class_create().
*/
void class_destroy(struct class *cls)
void class_destroy(const struct class *cls)
{
if (IS_ERR_OR_NULL(cls))
return;

4
include/linux/device/class.h
View file

@ -83,7 +83,7 @@ struct class_dev_iter {
extern struct kobject *sysfs_dev_block_kobj;
int __must_check class_register(struct class *class);
void class_unregister(struct class *class);
void class_unregister(const struct class *class);
struct class_compat;
struct class_compat *class_compat_register(const char *name);
@ -231,6 +231,6 @@ int __must_check class_interface_register(struct class_interface *);
void class_interface_unregister(struct class_interface *);
struct class * __must_check class_create(const char *name);
void class_destroy(struct class *cls);
void class_destroy(const struct class *cls);
#endif /* _DEVICE_CLASS_H_ */