Add safety check for layer pointer

Fixes #37598
qgis · Jul 6, 2020 · f21bbc7 · f21bbc7
1 parent 05e08de
commit f21bbc7
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/src/app/qgsmaptooltrimextendfeature.cpp b/src/app/qgsmaptooltrimextendfeature.cpp
@@ -87,7 +87,7 @@ void QgsMapToolTrimExtendFeature::canvasMoveEvent( QgsMapMouseEvent *e )
     case StepLimit:
 
       match = mCanvas->snappingUtils()->snapToMap( mMapPoint, &filter );
-      if ( match.isValid() )
+      if ( match.isValid() && match.layer() )
       {
         mIs3DLayer = QgsWkbTypes::hasZ( match.layer()->wkbType() );