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)

[Andreas Färber]

Am 17.06.2013 02:43, schrieb Vladimir Senkov:
> From 032bdc94c6369aa7b578182cdad8038ebb2b8cd1 Mon Sep 17 00:00:00 2001
> From: Vladimir Senkov <address@hidden <mailto: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 <mailto:address@hidden>>

Patch is HTML-damaged unfortunately, we recommend git-send-email:
http://wiki.qemu.org/Contribute/SubmitAPatch

But since the patch is so trivial, maybe Peter or Michael can fix it up?

Regards,
Andreas

> ---
>  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
> 


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