canvas: don't try to connect to null layers

qgis · Mar 2, 2017 · d315fdf · d315fdf
1 parent bceb8ff
commit d315fdf
Showing 1 changed file with 2 additions and 0 deletions.
diff --git a/src/gui/qgsmapcanvas.cpp b/src/gui/qgsmapcanvas.cpp
@@ -310,6 +310,8 @@ void QgsMapCanvas::setLayers( const QList<QgsMapLayer*>& layers )
 
   Q_FOREACH ( QgsMapLayer* layer, layers )
   {
+    if ( !layer )
+      continue;
     connect( layer, &QgsMapLayer::repaintRequested, this, &QgsMapCanvas::layerRepaintRequested );
     connect( layer, &QgsMapLayer::crsChanged, this, &QgsMapCanvas::layerCrsChange );
     connect( layer, &QgsMapLayer::autoRefreshIntervalChanged, this, &QgsMapCanvas::updateAutoRefreshTimer );