729 	struct f_serial_opts *opts;  in acm_alloc_func()  local
750 	opts = container_of(fi, struct f_serial_opts, func_inst);  in acm_alloc_func()
751 	acm->port_num = opts->port_num;  in acm_alloc_func()
766 	struct f_serial_opts *opts = to_f_serial_opts(item);  in acm_attr_release()  local
768 	usb_put_function_instance(&opts->func_inst);  in acm_attr_release()
795 	struct f_serial_opts *opts;  in acm_free_instance()  local
797 	opts = container_of(fi, struct f_serial_opts, func_inst);  in acm_free_instance()
798 	gserial_free_line(opts->port_num);  in acm_free_instance()
799 	kfree(opts);  in acm_free_instance()
804 	struct f_serial_opts *opts;  in acm_alloc_instance()  local
807 	opts = kzalloc(sizeof(*opts), GFP_KERNEL);  in acm_alloc_instance()
808 	if (!opts)  in acm_alloc_instance()
810 	opts->func_inst.free_func_inst = acm_free_instance;  in acm_alloc_instance()
811 	ret = gserial_alloc_line(&opts->port_num);  in acm_alloc_instance()
813 		kfree(opts);  in acm_alloc_instance()
816 	config_group_init_type_name(&opts->func_inst.group, "",  in acm_alloc_instance()
818 	return &opts->func_inst;  in acm_alloc_instance()