diff -r 41300fa6a67c -r f7bc934e204c src/network/kernel/qnetworkinterface.cpp
--- a/src/network/kernel/qnetworkinterface.cpp	Tue Feb 02 00:43:10 2010 +0200
+++ b/src/network/kernel/qnetworkinterface.cpp	Wed Mar 31 11:06:36 2010 +0300
@@ -1,6 +1,6 @@
 /****************************************************************************
 **
-** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
 ** All rights reserved.
 ** Contact: Nokia Corporation (qt-info@nokia.com)
 **
@@ -541,7 +541,7 @@
 {
     QList<QSharedDataPointer<QNetworkInterfacePrivate> > privs = manager()->allInterfaces();
     QList<QNetworkInterface> result;
-    foreach (QSharedDataPointer<QNetworkInterfacePrivate> p, privs) {
+    foreach (const QSharedDataPointer<QNetworkInterfacePrivate> &p, privs) {
         QNetworkInterface item;
         item.d = p;
         result << item;
@@ -560,7 +560,7 @@
 {
     QList<QSharedDataPointer<QNetworkInterfacePrivate> > privs = manager()->allInterfaces();
     QList<QHostAddress> result;
-    foreach (const QSharedDataPointer<QNetworkInterfacePrivate> p, privs) {
+    foreach (const QSharedDataPointer<QNetworkInterfacePrivate> &p, privs) {
         foreach (const QNetworkAddressEntry &entry, p->addressEntries)
             result += entry.ip();
     }