From 6a3a54ea9070d7f61867ebf7354677949c552553 Mon Sep 17 00:00:00 2001
From: Marco Bubke <marco.bubke@digia.com>
Date: Mon, 8 Apr 2013 16:04:21 +0200
Subject: [PATCH] QmlDesigner: Optimize assign operator in resize controller

Change-Id: I6b832cd436a70d4c6976fc192e0b2ad9a6964614
Reviewed-by: Friedemann Kleint <Friedemann.Kleint@digia.com>
---
 .../qmldesigner/components/formeditor/resizecontroller.cpp     | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/plugins/qmldesigner/components/formeditor/resizecontroller.cpp b/src/plugins/qmldesigner/components/formeditor/resizecontroller.cpp
index 2a8e492140b..f904421ae41 100644
--- a/src/plugins/qmldesigner/components/formeditor/resizecontroller.cpp
+++ b/src/plugins/qmldesigner/components/formeditor/resizecontroller.cpp
@@ -164,7 +164,8 @@ ResizeController::~ResizeController()
 
 ResizeController &ResizeController::operator =(const ResizeController &other)
 {
-    m_data = other.m_data;
+    if (m_data != other.m_data)
+        m_data = other.m_data;
 
     return *this;
 }