diff -up qt-everywhere-opensource-src-4.8.0-tp/src/gui/itemviews/qtreeview.cpp.qtreeview-kpackagekit-crash qt-everywhere-opensource-src-4.8.0-tp/src/gui/itemviews/qtreeview.cpp

--- qt-everywhere-opensource-src-4.8.0-tp/src/gui/itemviews/qtreeview.cpp.qtreeview-kpackagekit-crash	2011-05-23 12:26:21.000000000 +0200

+++ qt-everywhere-opensource-src-4.8.0-tp/src/gui/itemviews/qtreeview.cpp	2011-05-25 13:24:33.137315194 +0200

@@ -3215,7 +3215,7 @@ int QTreeViewPrivate::itemHeight(int ite

         return defaultItemHeight;

     if (viewItems.isEmpty())

         return 0;

-    const QModelIndex &index = viewItems.at(item).index;

+    QModelIndex index = viewItems.at(item).index;

     if (!index.isValid())

         return 0;

     int height = viewItems.at(item).height;