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vbe: Refuse to believe tiny (or negative) panel sizes from PanelID

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Reviewed-by: Peter Hutterer <peter.hutterer@who-t.net>
Signed-off-by: Adam Jackson <ajax@redhat.com>
This commit is contained in:
Adam Jackson 2010-11-30 13:50:42 -05:00
parent 84a14fab8f
commit a861fe6a1c
1 changed files with 5 additions and 0 deletions
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5
hw/xfree86/vbe/vbe.c
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@ -1028,6 +1028,11 @@ VBEInterpretPanelID(int scrnIndex, struct vbePanelID *data)
if (pScrn->monitor->nHsync || pScrn->monitor->nVrefresh) if (pScrn->monitor->nHsync || pScrn->monitor->nVrefresh)
return; return;
if (data->hsize < 320 || data->vsize < 240) {
xf86DrvMsg(scrnIndex, X_INFO, "...which I refuse to believe\n");
return;
}
mode = xf86CVTMode(data->hsize, data->vsize, PANEL_HZ, 1, 0); mode = xf86CVTMode(data->hsize, data->vsize, PANEL_HZ, 1, 0);
pScrn->monitor->nHsync = 1; pScrn->monitor->nHsync = 1;