Fix for bug #5877

mhugent · mhugent · commit f383deae8cab · 2012-06-27T23:46:51.000+02:00
diff --git a/src/core/qgsrasterdataprovider.cpp b/src/core/qgsrasterdataprovider.cpp
@@ -255,6 +255,11 @@ QgsRasterBandStats QgsRasterDataProvider::bandStatistics( int theBandNo )
   myXBlockSize = xBlockSize();
   myYBlockSize = yBlockSize();
 
+  if ( myXBlockSize == 0 || myYBlockSize == 0 )
+  {
+    return QgsRasterBandStats(); //invalid raster band stats
+  }
+
   myNXBlocks = ( xSize() + myXBlockSize - 1 ) / myXBlockSize;
   myNYBlocks = ( ySize() + myYBlockSize - 1 ) / myYBlockSize;
 
