152 	struct wf_control *ct = container_of(kref, struct wf_control, ref);  in wf_control_release()  local
154 	DBG("wf: Deleting control %s\n", ct->name);  in wf_control_release()
156 	if (ct->ops && ct->ops->release)  in wf_control_release()
157 		ct->ops->release(ct);  in wf_control_release()
159 		kfree(ct);  in wf_control_release()
212 	struct wf_control *ct;  in wf_register_control()  local
215 	list_for_each_entry(ct, &wf_controls, link) {  in wf_register_control()
216 		if (!strcmp(ct->name, new_ct->name)) {  in wf_register_control()
218 			       " duplicate control %s\n", ct->name);  in wf_register_control()
245 void wf_unregister_control(struct wf_control *ct)  in wf_unregister_control()  argument
248 	list_del(&ct->link);  in wf_unregister_control()
251 	DBG("wf: Unregistered control %s\n", ct->name);  in wf_unregister_control()
253 	kref_put(&ct->ref, wf_control_release);  in wf_unregister_control()
257 int wf_get_control(struct wf_control *ct)  in wf_get_control()  argument
259 	if (!try_module_get(ct->ops->owner))  in wf_get_control()
261 	kref_get(&ct->ref);  in wf_get_control()
266 void wf_put_control(struct wf_control *ct)  in wf_put_control()  argument
268 	struct module *mod = ct->ops->owner;  in wf_put_control()
269 	kref_put(&ct->ref, wf_control_release);  in wf_put_control()
377 	struct wf_control *ct;  in wf_register_client()  local
385 	list_for_each_entry(ct, &wf_controls, link)  in wf_register_client()
386 		wf_notify(WF_EVENT_NEW_CONTROL, ct);  in wf_register_client()