From 499f3f8938d18cc4aee31434e0cdbc67ec3c69a5 Mon Sep 17 00:00:00 2001
From: Li Zefan <lizf@cn.fujitsu.com>
Date: Fri, 20 Mar 2009 09:48:47 +0800
Subject: [PATCH] --- yaml --- r: 141049 b: refs/heads/master c:
 cbe28296eb1ac441b35cf45804d0ae808add7dd1 h: refs/heads/master i:   141047:
 ed38a74377f8838f31aa7ee6a5fad43e2aff2f66 v: v3

---
 [refs]                        | 2 +-
 trunk/kernel/trace/blktrace.c | 6 +++---
 2 files changed, 4 insertions(+), 4 deletions(-)

diff --git a/[refs] b/[refs]
index 80eb9e60d06f..1a7f31034dfb 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 3c289ba7c320560ee74979a8895141c829046a2d
+refs/heads/master: cbe28296eb1ac441b35cf45804d0ae808add7dd1
diff --git a/trunk/kernel/trace/blktrace.c b/trunk/kernel/trace/blktrace.c
index 223b92e77b3f..11e7c8d9d222 100644
--- a/trunk/kernel/trace/blktrace.c
+++ b/trunk/kernel/trace/blktrace.c
@@ -468,9 +468,6 @@ int do_blk_trace_setup(struct request_queue *q, char *name, dev_t dev,
 	bt->pid = buts->pid;
 	bt->trace_state = Blktrace_setup;
 
-	if (atomic_add_return(1, &blk_probes_ref) == 1)
-		blk_register_tracepoints();
-
 	ret = -EBUSY;
 	old_bt = xchg(&q->blk_trace, bt);
 	if (old_bt) {
@@ -478,6 +475,9 @@ int do_blk_trace_setup(struct request_queue *q, char *name, dev_t dev,
 		goto err;
 	}
 
+	if (atomic_add_return(1, &blk_probes_ref) == 1)
+		blk_register_tracepoints();
+
 	return 0;
 err:
 	if (bt) {