Re: [Qemu-devel] copy&paste error in serial.c causes a crash when attempting to read from UART (if there is no data to be read)

[Peter Crosthwaite]

Patch is good, I think the issue is just in the sending as flagged by Andreas.

On Mon, Jun 17, 2013 at 10:43 AM, Vladimir Senkov <address@hidden> wrote:
> From 032bdc94c6369aa7b578182cdad8038ebb2b8cd1 Mon Sep 17 00:00:00 2001
> From: Vladimir Senkov <address@hidden>
> Date: Sun, 16 Jun 2013 20:30:52 -0400
> Subject: [PATCH] fixed a copy&paste error in serial.c
>
> Signed-off-by: Vladimir Senkov <address@hidden>

Reviewed-by: Peter Crosthwaite <address@hidden>

>
> ---
>  hw/char/serial.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/hw/char/serial.c b/hw/char/serial.c
> index b537e42..6382f98 100644
> --- a/hw/char/serial.c
> +++ b/hw/char/serial.c
> @@ -424,7 +424,7 @@ static uint64_t serial_ioport_read(void *opaque, hwaddr
> addr, unsigned size)
>              ret = s->divider & 0xff;
>          } else {
>              if(s->fcr & UART_FCR_FE) {
> -                ret = fifo8_is_full(&s->recv_fifo) ?
> +                ret = fifo8_is_empty(&s->recv_fifo) ?
>                              0 : fifo8_pop(&s->recv_fifo);
>                  if (s->recv_fifo.num == 0) {
>                      s->lsr &= ~(UART_LSR_DR | UART_LSR_BI);
> --
> 1.8.1.2
>