[PATCH 2/7] cgroup: remove sparse tags from offline_css()

[Li Zefan]

This should have been removed in commit d7eeac1913ff
("cgroup: hold cgroup_mutex before calling css_offline").

While at it, update the comments.

Signed-off-by: Li Zefan <lizefan@xxxxxxxxxx>
---
 kernel/cgroup.c | 5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)

diff --git a/kernel/cgroup.c b/kernel/cgroup.c
index e60eba2..916a699 100644
--- a/kernel/cgroup.c
+++ b/kernel/cgroup.c
@@ -4164,7 +4164,7 @@ static void init_cgroup_css(struct cgroup_subsys_state *css,
 	INIT_WORK(&css->dput_work, css_dput_fn);
 }
 
-/* invoke ->post_create() on a new CSS and mark it online if successful */
+/* invoke ->css_online() on a new CSS and mark it online if successful */
 static int online_css(struct cgroup_subsys *ss, struct cgroup *cgrp)
 {
 	int ret = 0;
@@ -4178,9 +4178,8 @@ static int online_css(struct cgroup_subsys *ss, struct cgroup *cgrp)
 	return ret;
 }
 
-/* if the CSS is online, invoke ->pre_destory() on it and mark it offline */
+/* if the CSS is online, invoke ->css_offline() on it and mark it offline */
 static void offline_css(struct cgroup_subsys *ss, struct cgroup *cgrp)
-	__releases(&cgroup_mutex) __acquires(&cgroup_mutex)
 {
 	struct cgroup_subsys_state *css = cgrp->subsys[ss->subsys_id];
 
-- 
1.8.0.2
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