From 929fb3c50849f8c0950994e08d473208b5d8938e Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Thomas=20L=C3=BCbking?= <thomas.luebking@gmail.com>
Date: Sun, 27 Jan 2013 21:23:57 +0100
Subject: [PATCH] catch DIV by 0 for 0 dimension from modeline

BUG :313996
---
 options.cpp | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/options.cpp b/options.cpp
index a49ff922c2..a3c20e4ce8 100644
--- a/options.cpp
+++ b/options.cpp
@@ -72,7 +72,8 @@ int currentRefreshRate()
                     dotclock *= 2;
                 if (modeline.flags & 0x0020) // V_DBLSCAN
                     vtotal *= 2;
-                rate = 1000*dotclock/(modeline.htotal*vtotal); // WTF was wikipedia 1998 when I nedded it?
+                if (modeline.htotal*vtotal) // BUG 313996
+                    rate = 1000*dotclock/(modeline.htotal*vtotal); // WTF was wikipedia 1998 when I nedded it?
                 kDebug(1212) << "Vertical Refresh Rate (as detected by XF86VM): " << rate << "Hz";
             }
         }