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-rw-r--r--net/core/dev.c9
1 files changed, 8 insertions, 1 deletions
diff --git a/net/core/dev.c b/net/core/dev.c
index 600bb23c4c2e..d9e31f63aded 100644
--- a/net/core/dev.c
+++ b/net/core/dev.c
@@ -1800,6 +1800,12 @@ gso:
spin_lock(root_lock);
+ if (unlikely(test_bit(__QDISC_STATE_DEACTIVATED, &q->state))) {
+ spin_unlock(root_lock);
+ rc = NET_XMIT_DROP;
+ goto out_kfree_skb;
+ }
+
rc = qdisc_enqueue_root(skb, q);
qdisc_run(q);
@@ -2084,7 +2090,8 @@ static int ing_filter(struct sk_buff *skb)
q = rxq->qdisc;
if (q != &noop_qdisc) {
spin_lock(qdisc_lock(q));
- result = qdisc_enqueue_root(skb, q);
+ if (likely(!test_bit(__QDISC_STATE_DEACTIVATED, &q->state)))
+ result = qdisc_enqueue_root(skb, q);
spin_unlock(qdisc_lock(q));
}