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-rw-r--r--kernel/cgroup.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/kernel/cgroup.c b/kernel/cgroup.c
index bb263d0..04cfe8a 100644
--- a/kernel/cgroup.c
+++ b/kernel/cgroup.c
@@ -1909,7 +1909,7 @@ static void cgroup_kill_sb(struct super_block *sb)
*
* And don't kill the default root.
*/
- if (css_has_online_children(&root->cgrp.self) ||
+ if (!list_empty(&root->cgrp.self.children) ||
root == &cgrp_dfl_root)
cgroup_put(&root->cgrp);
else
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