From 911a3ca8222bd825d60db61c1a9d68cd2bd23195 Mon Sep 17 00:00:00 2001
From: Arnaldo Carvalho de Melo <acme@redhat.com>
Date: Sat, 7 Feb 2009 18:52:59 -0200
Subject: [PATCH] --- yaml --- r: 140709 b: refs/heads/master c:
 b5db03c4355e568f1567758287b30a6a262d5057 h: refs/heads/master i:   140707:
 08635541df325804570a1c2586fb2bd888aa2ac8 v: v3

---
 [refs]                     | 2 +-
 trunk/kernel/trace/trace.c | 9 +++++++++
 2 files changed, 10 insertions(+), 1 deletion(-)

diff --git a/[refs] b/[refs]
index 91280cbc0618..1632e003821c 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 3861a17bcc0af815f684c6178bc9ec2d790c350e
+refs/heads/master: b5db03c4355e568f1567758287b30a6a262d5057
diff --git a/trunk/kernel/trace/trace.c b/trunk/kernel/trace/trace.c
index 03fbd4c20bc2..93040f1bef13 100644
--- a/trunk/kernel/trace/trace.c
+++ b/trunk/kernel/trace/trace.c
@@ -559,6 +559,15 @@ void unregister_tracer(struct tracer *type)
 
  found:
 	*t = (*t)->next;
+
+	if (type == current_trace && tracer_enabled) {
+		tracer_enabled = 0;
+		tracing_stop();
+		if (current_trace->stop)
+			current_trace->stop(&global_trace);
+		current_trace = &nop_trace;
+	}
+
 	if (strlen(type->name) != max_tracer_type_len)
 		goto out;