Followup a112dfe, fix #14451

nyalldawson · nyalldawson · commit 52621b9a5530 · 2016-03-10T14:10:17.000+11:00
diff --git a/src/core/layertree/qgslayertreemodel.cpp b/src/core/layertree/qgslayertreemodel.cpp
@@ -943,7 +943,7 @@ void QgsLayerTreeModel::refreshScaleBasedLayers( const QModelIndex& idx )
   if ( node->nodeType() == QgsLayerTreeNode::NodeLayer )
   {
     const QgsMapLayer* layer = QgsLayerTree::toLayer( node )->layer();
-    if ( layer->hasScaleBasedVisibility() )
+    if ( layer && layer->hasScaleBasedVisibility() )
     {
       emit dataChanged( idx, idx );
     }

Original file line number	Diff line number	Diff line change
`@@ -943,7 +943,7 @@ void QgsLayerTreeModel::refreshScaleBasedLayers( const QModelIndex& idx )`
`943`	`943`	`if ( node->nodeType() == QgsLayerTreeNode::NodeLayer )`
`944`	`944`	`{`
`945`	`945`	`const QgsMapLayer* layer = QgsLayerTree::toLayer( node )->layer();`
`946`		`- if ( layer->hasScaleBasedVisibility() )`
	`946`	`+ if ( layer && layer->hasScaleBasedVisibility() )`
`947`	`947`	`{`
`948`	`948`	`emit dataChanged( idx, idx );`
`949`	`949`	`}`