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-rw-r--r--net/sched/cls_u32.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/net/sched/cls_u32.c b/net/sched/cls_u32.c
index 05d1780..07372f6 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;
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