89 int class_create_file_ns(struct class *cls, const struct class_attribute *attr,  in class_create_file_ns()  argument
94 	if (cls)  in class_create_file_ns()
95 		error = sysfs_create_file_ns(&cls->p->subsys.kobj,  in class_create_file_ns()
102 void class_remove_file_ns(struct class *cls, const struct class_attribute *attr,  in class_remove_file_ns()  argument
105 	if (cls)  in class_remove_file_ns()
106 		sysfs_remove_file_ns(&cls->p->subsys.kobj, &attr->attr, ns);  in class_remove_file_ns()
109 static struct class *class_get(struct class *cls)  in class_get()  argument
111 	if (cls)  in class_get()
112 		kset_get(&cls->p->subsys);  in class_get()
113 	return cls;  in class_get()
116 static void class_put(struct class *cls)  in class_put()  argument
118 	if (cls)  in class_put()
119 		kset_put(&cls->p->subsys);  in class_put()
122 static int add_class_attrs(struct class *cls)  in add_class_attrs()  argument
127 	if (cls->class_attrs) {  in add_class_attrs()
128 		for (i = 0; cls->class_attrs[i].attr.name; i++) {  in add_class_attrs()
129 			error = class_create_file(cls, &cls->class_attrs[i]);  in add_class_attrs()
138 		class_remove_file(cls, &cls->class_attrs[i]);  in add_class_attrs()
142 static void remove_class_attrs(struct class *cls)  in remove_class_attrs()  argument
146 	if (cls->class_attrs) {  in remove_class_attrs()
147 		for (i = 0; cls->class_attrs[i].attr.name; i++)  in remove_class_attrs()
148 			class_remove_file(cls, &cls->class_attrs[i]);  in remove_class_attrs()
166 int __class_register(struct class *cls, struct lock_class_key *key)  in __class_register()  argument
171 	pr_debug("device class '%s': registering\n", cls->name);  in __class_register()
180 	error = kobject_set_name(&cp->subsys.kobj, "%s", cls->name);  in __class_register()
187 	if (!cls->dev_kobj)  in __class_register()
188 		cls->dev_kobj = sysfs_dev_char_kobj;  in __class_register()
192 	if (!sysfs_deprecated || cls != &block_class)  in __class_register()
198 	cp->class = cls;  in __class_register()
199 	cls->p = cp;  in __class_register()
206 	error = add_class_attrs(class_get(cls));  in __class_register()
207 	class_put(cls);  in __class_register()
212 void class_unregister(struct class *cls)  in class_unregister()  argument
214 	pr_debug("device class '%s': unregistering\n", cls->name);  in class_unregister()
215 	remove_class_attrs(cls);  in class_unregister()
216 	kset_unregister(&cls->p->subsys);  in class_unregister()
219 static void class_create_release(struct class *cls)  in class_create_release()  argument
221 	pr_debug("%s called for %s\n", __func__, cls->name);  in class_create_release()
222 	kfree(cls);  in class_create_release()
242 	struct class *cls;  in __class_create()  local
245 	cls = kzalloc(sizeof(*cls), GFP_KERNEL);  in __class_create()
246 	if (!cls) {  in __class_create()
251 	cls->name = name;  in __class_create()
252 	cls->owner = owner;  in __class_create()
253 	cls->class_release = class_create_release;  in __class_create()
255 	retval = __class_register(cls, key);  in __class_create()
259 	return cls;  in __class_create()
262 	kfree(cls);  in __class_create()
274 void class_destroy(struct class *cls)  in class_destroy()  argument
276 	if ((cls == NULL) || (IS_ERR(cls)))  in class_destroy()
279 	class_unregister(cls);  in class_destroy()
512 	struct class_compat *cls;  in class_compat_register()  local
514 	cls = kmalloc(sizeof(struct class_compat), GFP_KERNEL);  in class_compat_register()
515 	if (!cls)  in class_compat_register()
517 	cls->kobj = kobject_create_and_add(name, &class_kset->kobj);  in class_compat_register()
518 	if (!cls->kobj) {  in class_compat_register()
519 		kfree(cls);  in class_compat_register()
522 	return cls;  in class_compat_register()
530 void class_compat_unregister(struct class_compat *cls)  in class_compat_unregister()  argument
532 	kobject_put(cls->kobj);  in class_compat_unregister()
533 	kfree(cls);  in class_compat_unregister()
544 int class_compat_create_link(struct class_compat *cls, struct device *dev,  in class_compat_create_link()  argument
549 	error = sysfs_create_link(cls->kobj, &dev->kobj, dev_name(dev));  in class_compat_create_link()
562 			sysfs_remove_link(cls->kobj, dev_name(dev));  in class_compat_create_link()
577 void class_compat_remove_link(struct class_compat *cls, struct device *dev,  in class_compat_remove_link()  argument
582 	sysfs_remove_link(cls->kobj, dev_name(dev));  in class_compat_remove_link()