Fix crash when changing raster data source

Fixes qgis#34231
nyalldawson · Feb 4, 2020 · 5622564 · 5622564
1 parent 012ee83
commit 5622564
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/src/app/qgisapp.cpp b/src/app/qgisapp.cpp
@@ -7716,7 +7716,7 @@ void QgisApp::changeDataSource( QgsMapLayer *layer )
         {
           subsetString = vlayer->dataProvider()->subsetString();
         }
-        if ( subsetString.isEmpty() )
+        if ( vlayer && subsetString.isEmpty() )
         {
           // actually -- the above isn't true in all situations. If a layer was invalid at the time
           // that the subset string was set, then ONLY the layer has knowledge of this subset string!