catch DIV by 0 for 0 dimension from modeline

BUG :313996 FIXED-IN: 4.10
2013-01-27 21:23:57 +01:00 · 2013-01-27 21:23:57 +01:00 · 22f5769e74
commit 22f5769e74
parent fb356a8bef
1 changed files with 2 additions and 1 deletions
--- a/options.cpp
+++ b/options.cpp
@ -72,6 +72,7 @@ int currentRefreshRate()
                    dotclock *= 2;
                if (modeline.flags & 0x0020) // V_DBLSCAN
                    vtotal *= 2;
+                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";
            }