1 files changed, 5 insertions, 1 deletions

diff --git a/kernel/cgroup.c b/kernel/cgroup.c
index 5f134a0e0e3f..b303dfc7dce0 100644
--- a/kernel/cgroup.c
+++ b/kernel/cgroup.c
@@ -3883,8 +3883,12 @@ static void css_dput_fn(struct work_struct *work)
 {
         struct cgroup_subsys_state *css =
                 container_of(work, struct cgroup_subsys_state, dput_work);
+        struct dentry *dentry = css->cgroup->dentry;
+        struct super_block *sb = dentry->d_sb;
 
-        dput(css->cgroup->dentry);
+        atomic_inc(&sb->s_active);
+        dput(dentry);
+        deactivate_super(sb);
 }
 
 static void init_cgroup_css(struct cgroup_subsys_state *css,