diff --git a/[refs] b/[refs]
index 102a107741c1..2d092ffe546d 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: a0bca6a59ebc052751eed6e3b182c153495672d8
+refs/heads/master: 2504ea5edfebb14133b8571c20785cdc077e07d2
diff --git a/trunk/samples/tracepoints/tracepoint-probe-sample.c b/trunk/samples/tracepoints/tracepoint-probe-sample.c
index 55abfdda4bd4..e3a964889dc7 100644
--- a/trunk/samples/tracepoints/tracepoint-probe-sample.c
+++ b/trunk/samples/tracepoints/tracepoint-probe-sample.c
@@ -46,6 +46,7 @@ void __exit tp_sample_trace_exit(void)
 {
 	unregister_trace_subsys_eventb(probe_subsys_eventb);
 	unregister_trace_subsys_event(probe_subsys_event);
+	tracepoint_synchronize_unregister();
 }
 
 module_exit(tp_sample_trace_exit);
diff --git a/trunk/samples/tracepoints/tracepoint-probe-sample2.c b/trunk/samples/tracepoints/tracepoint-probe-sample2.c
index 5e9fcf4afffe..685a5acb4562 100644
--- a/trunk/samples/tracepoints/tracepoint-probe-sample2.c
+++ b/trunk/samples/tracepoints/tracepoint-probe-sample2.c
@@ -33,6 +33,7 @@ module_init(tp_sample_trace_init);
 void __exit tp_sample_trace_exit(void)
 {
 	unregister_trace_subsys_event(probe_subsys_event);
+	tracepoint_synchronize_unregister();
 }
 
 module_exit(tp_sample_trace_exit);