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-rw-r--r--net/mac80211/wme.c6
1 files changed, 4 insertions, 2 deletions
diff --git a/net/mac80211/wme.c b/net/mac80211/wme.c
index 28437f0001db..4310e2f65661 100644
--- a/net/mac80211/wme.c
+++ b/net/mac80211/wme.c
@@ -241,12 +241,14 @@ void ieee80211_ht_agg_queue_remove(struct ieee80211_local *local,
} else {
struct netdev_queue *txq;
spinlock_t *root_lock;
+ struct Qdisc *q;
txq = netdev_get_tx_queue(local->mdev, agg_queue);
- root_lock = qdisc_root_lock(txq->qdisc);
+ q = rcu_dereference(txq->qdisc);
+ root_lock = qdisc_lock(q);
spin_lock_bh(root_lock);
- qdisc_reset(txq->qdisc);
+ qdisc_reset(q);
spin_unlock_bh(root_lock);
}
}