1 files changed, 2 insertions, 1 deletions

diff --git a/net/sched/cls_u32.c b/net/sched/cls_u32.c
index 05d178008cbc..07372f60bee3 100644
--- a/net/sched/cls_u32.c
+++ b/net/sched/cls_u32.c
@@ -638,8 +638,9 @@ static int u32_change(struct tcf_proto *tp, unsigned long base, u32 handle,
                                 break;
 
                 n->next = *ins;
-                wmb();
+                tcf_tree_lock(tp);
                 *ins = n;
+                tcf_tree_unlock(tp);
 
                 *arg = (unsigned long)n;
                 return 0;