--- a/qtmobility/src/contacts/requests/qcontactfetchrequest.cpp	Fri Jun 11 14:26:25 2010 +0300
+++ b/qtmobility/src/contacts/requests/qcontactfetchrequest.cpp	Wed Jun 23 19:08:38 2010 +0300
@@ -54,6 +54,9 @@
   contacts (which may be retrieved by calling contacts()), are updated, as well as if
   the overall operation error (which may be retrieved by calling error()) is updated.
 
+  Please see the class documentation of QContactAbstractRequest for more information about
+  the usage of request classes and ownership semantics.
+
   \ingroup contacts-requests
  */
 
@@ -67,6 +70,7 @@
 void QContactFetchRequest::setFilter(const QContactFilter& filter)
 {
     Q_D(QContactFetchRequest);
+    QMutexLocker ml(&d->m_mutex);
     d->m_filter = filter;
 }
 
@@ -74,6 +78,7 @@
 void QContactFetchRequest::setSorting(const QList<QContactSortOrder>& sorting)
 {
     Q_D(QContactFetchRequest);
+    QMutexLocker ml(&d->m_mutex);
     d->m_sorting = sorting;
 }
 
@@ -88,6 +93,7 @@
 void QContactFetchRequest::setFetchHint(const QContactFetchHint &fetchHint)
 {
     Q_D(QContactFetchRequest);
+    QMutexLocker ml(&d->m_mutex);
     d->m_fetchHint = fetchHint;
 }
 
@@ -95,6 +101,7 @@
 QContactFilter QContactFetchRequest::filter() const
 {
     Q_D(const QContactFetchRequest);
+    QMutexLocker ml(&d->m_mutex);
     return d->m_filter;
 }
 
@@ -102,6 +109,7 @@
 QList<QContactSortOrder> QContactFetchRequest::sorting() const
 {
     Q_D(const QContactFetchRequest);
+    QMutexLocker ml(&d->m_mutex);
     return d->m_sorting;
 }
 
@@ -116,6 +124,7 @@
 QContactFetchHint QContactFetchRequest::fetchHint() const
 {
     Q_D(const QContactFetchRequest);
+    QMutexLocker ml(&d->m_mutex);
     return d->m_fetchHint;
 }
 
@@ -123,6 +132,7 @@
 QList<QContact> QContactFetchRequest::contacts() const
 {
     Q_D(const QContactFetchRequest);
+    QMutexLocker ml(&d->m_mutex);
     return d->m_contacts;
 }