Protect against divide by zero in CommDetector2.

Fixes coverity 746808.
MythTV · Jun 19, 2013 · d61b504 · d61b504
1 parent 76b7dd5
commit d61b504
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/mythtv/programs/mythcommflag/CommDetector2.cpp b/mythtv/programs/mythcommflag/CommDetector2.cpp
@@ -645,7 +645,7 @@ bool CommDetector2::go(void)
                 *currentPass, finishedAnalyzers,
                 deadAnalyzers, currentFrame, currentFrameNumber);
 
-            if (((currentFrameNumber >= 1) &&
+            if (((currentFrameNumber >= 1) && (nframes > 0) &&
                  (((nextFrame * 10) / nframes) !=
                   ((currentFrameNumber * 10) / nframes))) ||
                 (nextFrame >= nframes))