commit 4e2ba65068ac1d0e8c9df78a4ad787cf39640418
author Zefan Li <lizefan@huawei.com> Fri Sep 19 16:53:14 2014 +0800
committer Tejun Heo <tj@kernel.org> Fri Sep 19 09:17:47 2014 -0400
tree 147901c5f3a0bd242b3696b5c2d8568791188b97
parent f29374b146dd02f5f99742aedaddd6ef3512fc9c

perf/cgroup: Remove perf_put_cgroup()

Commit 5a17f543ed68 ("cgroup: improve css_from_dir() into css_tryget_from_dir()")
removed perf_tryget_cgroup(), so let's also remove perf_put_cgroup().

Signed-off-by: Zefan Li <lizefan@huawei.com>
Signed-off-by: Tejun Heo <tj@kernel.org>

kernel/events/core.c

diff --git a/kernel/events/core.c b/kernel/events/core.c
index 1cf24b3..8be3e34 100644
--- a/kernel/events/core.c
+++ b/kernel/events/core.c
@@ -391,14 +391,9 @@
 				    event->cgrp->css.cgroup);
 }
 
-static inline void perf_put_cgroup(struct perf_event *event)
-{
-	css_put(&event->cgrp->css);
-}
-
 static inline void perf_detach_cgroup(struct perf_event *event)
 {
-	perf_put_cgroup(event);
+	css_put(&event->cgrp->css);
 	event->cgrp = NULL;
 }