coverity#1093225 Dereference after null check

Change-Id: I34a7b79b4a7b5d86c3d39fd995ed3bd998eeeab8

coverity#1093225 Dereference after null check
Change-Id: I34a7b79b4a7b5d86c3d39fd995ed3bd998eeeab8
c7ee74ce · Caolán McNamara · 6b1d3559 · c7ee74ce
Kaydet (Commit) c7ee74ce authored Eki 02, 2014 tarafından Caolán McNamara
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pngread.cxx vcl/source/gdi/pngread.cxx +2 -0

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--- a/vcl/source/gdi/pngread.cxx
+++ b/vcl/source/gdi/pngread.cxx
@@ -1619,6 +1619,8 @@ void PNGReaderImpl::ImplSetAlphaPixel( sal_uInt32 nY, sal_uInt32 nX,
    nX >>= mnPreviewShift;

    mpAcc->SetPixel( nY, nX, rBitmapColor );
+    if (!mpMaskAcc)
+        return;
    mpMaskAcc->SetPixelIndex( nY, nX, ~nAlpha );
 }