Fix: Check for existence of data provider to prevent segfault

qgis · Mar 27, 2013 · c6bd8a1 · c6bd8a1
1 parent 9154ed1
commit c6bd8a1
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/src/core/qgsvectorlayercache.cpp b/src/core/qgsvectorlayercache.cpp
@@ -256,7 +256,7 @@ QgsFeatureIterator QgsVectorLayerCache::getFeatures( const QgsFeatureRequest &fe
     it = mLayer->getFeatures( featureRequest );
   }
 
-  if ( requiresWriterIt )
+  if ( requiresWriterIt && mLayer->dataProvider() )
   {
     // No index was able to satisfy the request
     it = QgsFeatureIterator( new QgsCachedFeatureWriterIterator( this, featureRequest ) );