fix crash

qgis · May 15, 2014 · 5774bc4 · 5774bc4
1 parent e880ee4
commit 5774bc4
Showing 1 changed file with 2 additions and 0 deletions.
diff --git a/src/core/symbology-ng/qgssymbolv2.cpp b/src/core/symbology-ng/qgssymbolv2.cpp
@@ -89,6 +89,8 @@ QgsMapUnitScale QgsSymbolV2::mapUnitScale() const
   }
 
   QgsSymbolLayerV2List::const_iterator it = mLayers.constBegin();
+  if( it == mLayers.constEnd() )
+    return QgsMapUnitScale();
 
   QgsMapUnitScale scale = ( *it )->mapUnitScale();
   ++it;