qemu-devel.nongnu.org archive mirror
 help / color / mirror / Atom feed
From: Christophe Fergeau <cfergeau@redhat.com>
To: Gerd Hoffmann <kraxel@redhat.com>
Cc: spice-devel@lists.freedesktop.org, qemu-devel@nongnu.org
Subject: Re: [Qemu-devel] [Spice-devel] [PATCH] qxl: add sanity check
Date: Thu, 20 Feb 2014 12:05:47 +0100	[thread overview]
Message-ID: <20140220110546.GA8099@teriyaki.redhat.com> (raw)
In-Reply-To: <1392806450-3452-1-git-send-email-kraxel@redhat.com>

[-- Attachment #1: Type: text/plain, Size: 1429 bytes --]

Looks good, ACK.

Christophe

On Wed, Feb 19, 2014 at 11:40:50AM +0100, Gerd Hoffmann wrote:
> Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
> ---
>  hw/display/qxl.c | 8 +++++++-
>  1 file changed, 7 insertions(+), 1 deletion(-)
> 
> diff --git a/hw/display/qxl.c b/hw/display/qxl.c
> index 1471cc0..2a559eb 100644
> --- a/hw/display/qxl.c
> +++ b/hw/display/qxl.c
> @@ -1429,7 +1429,7 @@ static int qxl_destroy_primary(PCIQXLDevice *d, qxl_async_io async)
>      return 1;
>  }
>  
> -static void qxl_set_mode(PCIQXLDevice *d, int modenr, int loadvm)
> +static void qxl_set_mode(PCIQXLDevice *d, unsigned int modenr, int loadvm)
>  {
>      pcibus_t start = d->pci.io_regions[QXL_RAM_RANGE_INDEX].addr;
>      pcibus_t end   = d->pci.io_regions[QXL_RAM_RANGE_INDEX].size + start;
> @@ -1439,6 +1439,12 @@ static void qxl_set_mode(PCIQXLDevice *d, int modenr, int loadvm)
>          .mem_start = start,
>          .mem_end = end
>      };
> +
> +    if (modenr >= d->modes->n_modes) {
> +        qxl_set_guest_bug(d, "mode number out of range");
> +        return;
> +    }
> +
>      QXLSurfaceCreate surface = {
>          .width      = mode->x_res,
>          .height     = mode->y_res,
> -- 
> 1.8.3.1
> 
> _______________________________________________
> Spice-devel mailing list
> Spice-devel@lists.freedesktop.org
> http://lists.freedesktop.org/mailman/listinfo/spice-devel

[-- Attachment #2: Type: application/pgp-signature, Size: 181 bytes --]

      parent reply	other threads:[~2014-02-20 11:09 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-02-19 10:40 [Qemu-devel] [PATCH] qxl: add sanity check Gerd Hoffmann
2014-02-19 11:32 ` Laszlo Ersek
2014-02-20 11:05 ` Christophe Fergeau [this message]

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=20140220110546.GA8099@teriyaki.redhat.com \
    --to=cfergeau@redhat.com \
    --cc=kraxel@redhat.com \
    --cc=qemu-devel@nongnu.org \
    --cc=spice-devel@lists.freedesktop.org \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).