qxl: add sanity check

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Merge remote-tracking branch 'remotes/spice/tags/pull-spice-3' into staging

qxl: add sanity check

# gpg: Signature made Mon 24 Feb 2014 12:01:27 GMT using RSA key ID D3E87138
# gpg: Good signature from "Gerd Hoffmann (work) <kraxel@redhat.com>"
# gpg:                 aka "Gerd Hoffmann <gerd@kraxel.org>"
# gpg:                 aka "Gerd Hoffmann (private) <kraxel@gmail.com>"

* remotes/spice/tags/pull-spice-3:
  qxl: add sanity check

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
This commit is contained in:
Peter Maydell 2014-02-25 15:17:24 +00:00
commit a89d97df1f

View File

@ -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,