File 0164-qdbuscontext-nocrash.diff of Package libqt4

qt-bugs@ issue: none
Trolltech task ID: none
applied: yes
author: Trolltech

Add patch found in Qt 4.3 snapshot 20070315.
I wonder why it's not part of beta 1.

=== tools/qdbus/src/qdbusintegrator.cpp
==================================================================
--- tools/qdbus/src/qdbusintegrator.cpp	(revision 491)
+++ tools/qdbus/src/qdbusintegrator.cpp	(revision 492)
@@ -694,7 +694,9 @@
         fail = data.object->qt_metacall(QMetaObject::InvokeMetaMethod,
                                         data.slotIdx, params.data()) >= 0;
         QDBusConnectionPrivate::setSender(0);
-	QDBusContextPrivate::set(data.object, old);
+	// the object might be deleted in the slot
+	if (!data.object.isNull())
+	    QDBusContextPrivate::set(data.object, old);
     }
 
     // do we create a reply? Only if the caller is waiting for a reply and one hasn't been sent