Fix crash when toggling vector layer editing on

qgis · Jan 18, 2016 · 1474c07 · 1474c07
1 parent a0e6d49
commit 1474c07
Showing 1 changed file with 2 additions and 1 deletion.
diff --git a/src/app/qgisapp.cpp b/src/app/qgisapp.cpp
@@ -7069,7 +7069,8 @@ bool QgisApp::toggleEditing( QgsMapLayer *layer, bool allowCancel )
   QString connString = QgsDataSourceURI( vlayer->source() ).connectionInfo();
   QString key = vlayer->providerType();
 
-  QgsTransactionGroup* tg = mTransactionGroups.find( qMakePair( key, connString ) ).value();
+  QMap< QPair< QString, QString>, QgsTransactionGroup*>::iterator tIt = mTransactionGroups.find( qMakePair( key, connString ) );
+  QgsTransactionGroup* tg = ( tIt != mTransactionGroups.end() ? tIt.value() : nullptr );
 
   bool isModified = false;