[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
Re: [Qemu-devel] copy&paste error in serial.c causes a crash when attemp
From: |
Andreas Färber |
Subject: |
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) |
Date: |
Mon, 17 Jun 2013 02:57:12 +0200 |
User-agent: |
Mozilla/5.0 (X11; Linux x86_64; rv:17.0) Gecko/20130510 Thunderbird/17.0.6 |
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
>
--
SUSE LINUX Products GmbH, Maxfeldstr. 5, 90409 Nürnberg, Germany
GF: Jeff Hawn, Jennifer Guild, Felix Imendörffer; HRB 16746 AG Nürnberg