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-rw-r--r--kernel/cgroup.c3
1 files changed, 1 insertions, 2 deletions
diff --git a/kernel/cgroup.c b/kernel/cgroup.c
index 72fcd3069a90..ceeafe874b3f 100644
--- a/kernel/cgroup.c
+++ b/kernel/cgroup.c
@@ -4984,8 +4984,7 @@ void __css_put(struct cgroup_subsys_state *css)
struct cgroup *cgrp = css->cgroup;
rcu_read_lock();
- atomic_dec(&css->refcnt);
- switch (css_refcnt(css)) {
+ switch (atomic_dec_return(&css->refcnt)) {
case 1:
if (notify_on_release(cgrp)) {
set_bit(CGRP_RELEASABLE, &cgrp->flags);