Null pointer check for the layer tree model

qgis · Sep 19, 2017 · 0598be4 · 0598be4
1 parent 026b9b0
commit 0598be4
Showing 1 changed file with 3 additions and 0 deletions.
diff --git a/src/core/layertree/qgslayertreemodel.cpp b/src/core/layertree/qgslayertreemodel.cpp
@@ -767,6 +767,9 @@ void QgsLayerTreeModel::nodeLayerWillBeUnloaded()
 
 void QgsLayerTreeModel::layerLegendChanged()
 {
+  if ( !mRootNode )
+    return;
+
   if ( !testFlag( ShowLegend ) )
     return;