xorg-x11-server/xserver-1.9.0-vbe-panelid-sanity.patch
Adam Jackson 3b9af4875b whoops
2010-09-13 13:03:41 -04:00

30 lines
918 B
Diff

From 6f9b0496f919178720a7f99049d8ab9ff16d3575 Mon Sep 17 00:00:00 2001
From: Adam Jackson <ajax@redhat.com>
Date: Mon, 13 Sep 2010 11:34:28 -0400
Subject: [PATCH] vbe: Refuse to believe tiny (or negative) panel sizes from PanelID
Signed-off-by: Adam Jackson <ajax@redhat.com>
---
hw/xfree86/vbe/vbe.c | 5 +++++
1 files changed, 5 insertions(+), 0 deletions(-)
diff --git a/hw/xfree86/vbe/vbe.c b/hw/xfree86/vbe/vbe.c
index 0b34648..1defd9a 100644
--- a/hw/xfree86/vbe/vbe.c
+++ b/hw/xfree86/vbe/vbe.c
@@ -1088,6 +1088,11 @@ VBEInterpretPanelID(int scrnIndex, struct vbePanelID *data)
if (pScrn->monitor->nHsync || pScrn->monitor->nVrefresh)
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);
pScrn->monitor->nHsync = 1;
--
1.7.2.2