ath10k: fix tx hang

The wake_tx_queue/push_pending logic had a bug
which could stop queues indefinitely effectivelly
breaking traffic.

Fixes: 29946878 ("ath10k: implement wake_tx_queue")
Signed-off-by: NMichal Kazior <michal.kazior@tieto.com>
Signed-off-by: NKalle Valo <kvalo@qca.qualcomm.com>

drivers/net/wireless/ath/ath10k/mac.c

@@ -3777,14 +3777,14 @@ void ath10k_mac_tx_push_pending(struct ath10k *ar)
 		}
 
 		list_del_init(&artxq->list);
-		ath10k_htt_tx_txq_update(hw, txq);
-
-		if (artxq == last || (ret < 0 && ret != -ENOENT)) {
 		if (ret != -ENOENT)
 			list_add_tail(&artxq->list, &ar->txqs);
+
+		ath10k_htt_tx_txq_update(hw, txq);
+
+		if (artxq == last || (ret < 0 && ret != -ENOENT))
 			break;
 	}
-	}
 
 	rcu_read_unlock();
 	spin_unlock_bh(&ar->txqs_lock);