[PATCH 3/3] trace: fix sparce warning: attribute function with __acquires/__releases

[Hannes Eder <hannes@hanneseder.net>]

Fix this sparse warning:
  kernel/trace/trace.c:458:9: warning: context imbalance in 'register_tracer' - unexpected unlock

Signed-off-by: Hannes Eder <hannes@hanneseder.net>
---
 kernel/trace/trace.c |    2 ++
 1 files changed, 2 insertions(+), 0 deletions(-)

diff --git a/kernel/trace/trace.c b/kernel/trace/trace.c
index 16b8be4..5762fa5 100644
--- a/kernel/trace/trace.c
+++ b/kernel/trace/trace.c
@@ -439,6 +439,8 @@ update_max_tr_single(struct trace_array *tr, struct task_struct *tsk, int cpu)
  * Register a new plugin tracer.
  */
 int register_tracer(struct tracer *type)
+__releases(kernel_lock)
+__acquires(kernel_lock)
 {
 	struct tracer *t;
 	int len;