1 files changed, 2 insertions, 1 deletions

diff --git a/net/core/netclassid_cgroup.c b/net/core/netclassid_cgroup.c
index 1f2a126f4ffa..6441f47b1a8f 100644
--- a/net/core/netclassid_cgroup.c
+++ b/net/core/netclassid_cgroup.c
@@ -23,7 +23,8 @@ static inline struct cgroup_cls_state *css_cls_state(struct cgroup_subsys_state
 
 struct cgroup_cls_state *task_cls_state(struct task_struct *p)
 {
-        return css_cls_state(task_css(p, net_cls_cgrp_id));
+        return css_cls_state(task_css_check(p, net_cls_cgrp_id,
+                                            rcu_read_lock_bh_held()));
 }
 EXPORT_SYMBOL_GPL(task_cls_state);