void ieee80211_tx_pending(unsigned long data)
{
	struct ieee80211_local *local = (struct ieee80211_local *)data;
	unsigned long flags;
	int i;
	bool txok;

	rcu_read_lock();

	spin_lock_irqsave(&local->queue_stop_reason_lock, flags);
	for (i = 0; i < local->hw.queues; i++) {
		/*
		 * If queue is stopped by something other than due to pending
		 * frames, or we have no pending frames, proceed to next queue.
		 */
		if (local->queue_stop_reasons[i] ||
		    skb_queue_empty(&local->pending[i]))
			continue;

		while (!skb_queue_empty(&local->pending[i])) {
			struct sk_buff *skb = __skb_dequeue(&local->pending[i]);
			struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);

			if (WARN_ON(!info->control.vif)) {
				ieee80211_free_txskb(&local->hw, skb);
				continue;
			}

			spin_unlock_irqrestore(&local->queue_stop_reason_lock,
						flags);

			txok = ieee80211_tx_pending_skb(local, skb);
			spin_lock_irqsave(&local->queue_stop_reason_lock,
					  flags);
			if (!txok)
				break;
		}

		if (skb_queue_empty(&local->pending[i]))
			ieee80211_propagate_queue_wake(local, i);
	}
	spin_unlock_irqrestore(&local->queue_stop_reason_lock, flags);

	rcu_read_unlock();
}

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