From 5162769712f3b69895f26154e64a0ebefd08704b Mon Sep 17 00:00:00 2001
From: canpadawan <canpadawan@users.noreply.github.com>
Date: Fri, 8 Jul 2016 11:01:53 +0200
Subject: [PATCH] bug fix: use after free

---
 canframemodel.cpp | 9 +++++++++
 canframemodel.h   | 1 +
 mainwindow.cpp    | 7 +++----
 3 files changed, 13 insertions(+), 4 deletions(-)

diff --git a/canframemodel.cpp b/canframemodel.cpp
index e1cb200..799ae10 100644
--- a/canframemodel.cpp
+++ b/canframemodel.cpp
@@ -3,6 +3,15 @@
 #include <QFile>
 #include "utility.h"
 
+
+CANFrameModel::~CANFrameModel()
+{
+    frames.clear();
+    filteredFrames.clear();
+    filters.clear();
+}
+
+
 int CANFrameModel::rowCount(const QModelIndex &parent) const
 {
     Q_UNUSED(parent);
diff --git a/canframemodel.h b/canframemodel.h
index 57e6e6a..f69858a 100644
--- a/canframemodel.h
+++ b/canframemodel.h
@@ -16,6 +16,7 @@ class CANFrameModel: public QAbstractTableModel
 
 public:
     CANFrameModel(QObject *parent = 0);
+    virtual ~CANFrameModel();
 
     int rowCount(const QModelIndex &parent = QModelIndex()) const;
     QVariant data(const QModelIndex &index, int role) const;
diff --git a/mainwindow.cpp b/mainwindow.cpp
index d5826c0..27546b4 100644
--- a/mainwindow.cpp
+++ b/mainwindow.cpp
@@ -273,12 +273,11 @@ MainWindow::~MainWindow()
         snifferWindow = NULL;
     }
 
-    delete elapsedTime;
 
-    delete ui;
-    delete dbcHandler;
-    model->clearFrames();
     delete model;
+    delete elapsedTime;
+    delete dbcHandler;
+    delete ui;
 }
 
 void MainWindow::exitApp()