Fix crash

nyalldawson · nyalldawson · commit 9757116a2675 · 2017-02-07T10:07:19.000+10:00
diff --git a/src/core/qgsmaprendererjob.cpp b/src/core/qgsmaprendererjob.cpp
@@ -82,7 +82,7 @@ bool QgsMapRendererJob::prepareLabelCache() const
     QgsVectorLayer* vl = const_cast< QgsVectorLayer* >( qobject_cast<const QgsVectorLayer *>( ml ) );
     if ( vl && QgsPalLabeling::staticWillUseLayer( vl ) )
       labeledLayers << vl;
-    if ( vl->labeling()->requiresAdvancedEffects( vl ) )
+    if ( vl && vl->labeling() && vl->labeling()->requiresAdvancedEffects( vl ) )
     {
       canCache = false;
       break;

Original file line number	Diff line number	Diff line change
`@@ -82,7 +82,7 @@ bool QgsMapRendererJob::prepareLabelCache() const`
`82`	`82`	`QgsVectorLayer* vl = const_cast< QgsVectorLayer* >( qobject_cast<const QgsVectorLayer *>( ml ) );`
`83`	`83`	`if ( vl && QgsPalLabeling::staticWillUseLayer( vl ) )`
`84`	`84`	`labeledLayers << vl;`
`85`		`- if ( vl->labeling()->requiresAdvancedEffects( vl ) )`
	`85`	`+ if ( vl && vl->labeling() && vl->labeling()->requiresAdvancedEffects( vl ) )`
`86`	`86`	`{`
`87`	`87`	`canCache = false;`
`88`	`88`	`break;`