18 	Uart *uart;  in uartisa()  local
28 	uart = malloc(sizeof(Uart));  in uartisa()
30 	if(uart == nil || ctlr == nil){  in uartisa()
32 		free(uart);  in uartisa()
37 	uart->regs = ctlr;  in uartisa()
39 	kstrdup(&uart->name, buf);  in uartisa()
40 	uart->freq = isa->freq;  in uartisa()
41 	uart->phys = &i8250physuart;  in uartisa()
43 	return uart;  in uartisa()
51 	Uart *head, *tail, *uart;  in uartisapnp()  local
69 		uart = uartisa(ctlrno, &isa);  in uartisapnp()
70 		if(uart == nil)  in uartisapnp()
73 			tail->next = uart;  in uartisapnp()
75 			head = uart;  in uartisapnp()
76 		tail = uart;  in uartisapnp()