1069 			struct lwm2m_engine_obj_field *obj_field, struct lwm2m_message *msg)  in lwm2m_write_handler()  argument
1084 	if (!obj_inst || !res || !res_inst || !obj_field || !msg) {  in lwm2m_write_handler()
1140 		switch (obj_field->data_type) {  in lwm2m_write_handler()
1252 			LOG_ERR("unknown obj data_type %d", obj_field->data_type);  in lwm2m_write_handler()
1263 	if (obj_field->data_type != LWM2M_RES_TYPE_OPAQUE) {  in lwm2m_write_handler()
1281 			if (obj_field->data_type == LWM2M_RES_TYPE_STRING) {  in lwm2m_write_handler()
1298 	if (LWM2M_HAS_PERM(obj_field, LWM2M_PERM_R)) {  in lwm2m_write_handler()
1491 			      struct lwm2m_engine_obj_field *obj_field, struct lwm2m_message *msg)  in lwm2m_read_handler()  argument
1501 	if (!obj_inst || !res || !obj_field || !msg) {  in lwm2m_read_handler()
1507 	temp_path.res_id = obj_field->res_id;  in lwm2m_read_handler()
1555 			ret = lwm2m_read_cached_data(msg, cached_data, obj_field->data_type);  in lwm2m_read_handler()
1573 				if (obj_field->data_type != LWM2M_RES_TYPE_OPAQUE &&  in lwm2m_read_handler()
1574 				    obj_field->data_type != LWM2M_RES_TYPE_STRING) {  in lwm2m_read_handler()
1585 						       obj_field->data_type);  in lwm2m_read_handler()
1704 	struct lwm2m_engine_obj_field *obj_field;  in lwm2m_perform_read_object_instance()  local
1728 			obj_field = lwm2m_get_engine_obj_field(obj_inst->obj, res->res_id);  in lwm2m_perform_read_object_instance()
1729 			if (!obj_field) {  in lwm2m_perform_read_object_instance()
1731 			} else if (!LWM2M_HAS_PERM(obj_field, LWM2M_PERM_R)) {  in lwm2m_perform_read_object_instance()
1741 				ret = lwm2m_read_handler(obj_inst, res, obj_field, msg);  in lwm2m_perform_read_object_instance()
1750 					    !LWM2M_HAS_PERM(obj_field, BIT(LWM2M_FLAG_OPTIONAL))) {  in lwm2m_perform_read_object_instance()