dynamic_cast, chooseLabelsFont, coverity issues 1075746, re #11151

mantidproject · Feb 21, 2015 · bb97b77 · bb97b77
1 parent e1152f9
commit bb97b77
Showing 1 changed file with 6 additions and 2 deletions.
diff --git a/Code/Mantid/MantidPlot/src/PlotDialog.cpp b/Code/Mantid/MantidPlot/src/PlotDialog.cpp
@@ -3023,8 +3023,12 @@ void PlotDialog::chooseLabelsFont()
   if (!item || item->type() != CurveTreeItem::PlotCurveTreeItem)
     return;
 
-  QwtPlotItem *i = dynamic_cast<CurveTreeItem*>(item)->plotItem();
-  Graph *graph = dynamic_cast<CurveTreeItem*>(item)->graph();
+  CurveTreeItem* ctit = dynamic_cast<CurveTreeItem*>(item);
+  if (!ctit)
+    return;
+
+  QwtPlotItem *i = ctit->plotItem();
+  Graph *graph = ctit->graph();
   if (!i || !graph)
     return;