Signed-off-by: Glauber Costa <glommer@xxxxxxxxxxxxx>
Reported-by: Dan Carpenter <dan.carpenter@xxxxxxxxxx>
---
mm/memcontrol.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/mm/memcontrol.c b/mm/memcontrol.c
index 28252c9..03ebf68 100644
--- a/mm/memcontrol.c
+++ b/mm/memcontrol.c
@@ -5884,7 +5884,7 @@ static int mem_cgroup_oom_control_write(struct cgroup *cgrp,
mutex_lock(&memcg_create_mutex);
/* oom-kill-disable is a flag for subhierarchy. */
if ((parent->use_hierarchy) || memcg_has_children(memcg)) {
- cgroup_unlock();
+ mutex_unlock(&memcg_create_mutex);
return -EINVAL;
}
memcg->oom_kill_disable = val;
--
1.8.1.2
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