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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 51cddc1..a7837e2 100644
--- a/kernel/cgroup.c
+++ b/kernel/cgroup.c
@@ -912,7 +912,7 @@ static void cgroup_d_remove_dir(struct dentry *dentry)
parent = dentry->d_parent;
spin_lock(&parent->d_lock);
- spin_lock(&dentry->d_lock);
+ spin_lock_nested(&dentry->d_lock, DENTRY_D_LOCK_NESTED);
list_del_init(&dentry->d_u.d_child);
spin_unlock(&dentry->d_lock);
spin_unlock(&parent->d_lock);
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