From 59e9619ef91322f124b383b80fc21cd09a758017 Mon Sep 17 00:00:00 2001
From: Caolán McNamara <caolanm@redhat.com>
Date: Tue, 10 Jun 2014 13:51:37 +0100
Subject: coverity#1222225 Division or modulo by zero

Change-Id: I9a60114833c22d498dbb6258fcb2ceac22c72751
---
 vcl/source/bitmap/bitmapscalesuper.cxx | 12 +++++++++---
 1 file changed, 9 insertions(+), 3 deletions(-)

diff --git a/vcl/source/bitmap/bitmapscalesuper.cxx b/vcl/source/bitmap/bitmapscalesuper.cxx
index 0ed69628ff07..13b65e6dc4d9 100644
--- a/vcl/source/bitmap/bitmapscalesuper.cxx
+++ b/vcl/source/bitmap/bitmapscalesuper.cxx
@@ -642,9 +642,15 @@ void scale24bitBGR2(BitmapReadAccess* pAcc, BitmapWriteAccess* pWAcc,
                 else if ( nLineRange == i )
                     nWeightY = pMapFY[ nBottom ];
 
-                nSumB += nWeightY * ( nSumRowB / nTotalWeightX );
-                nSumG += nWeightY * ( nSumRowG / nTotalWeightX );
-                nSumR += nWeightY * ( nSumRowR / nTotalWeightX );
+                if (nTotalWeightX)
+                {
+                    nSumRowB /= nTotalWeightX;
+                    nSumRowG /= nTotalWeightX;
+                    nSumRowR /= nTotalWeightX;
+                }
+                nSumB += nWeightY * nSumRowB;
+                nSumG += nWeightY * nSumRowG;
+                nSumR += nWeightY * nSumRowR;
                 nTotalWeightY += nWeightY;
             }
 
-- 
cgit