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ath10k: fix tx hang

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

Fixes: 299468782d ("ath10k: implement wake_tx_queue")
Signed-off-by: Michal Kazior <michal.kazior@tieto.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
This commit is contained in:
Michal Kazior 2016-03-17 10:51:04 +01:00 committed by Kalle Valo
parent bf031bc4d6
commit 9d71d47eed
1 changed files with 4 additions and 4 deletions
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8
drivers/net/wireless/ath/ath10k/mac.c
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@ -3777,14 +3777,14 @@ void ath10k_mac_tx_push_pending(struct ath10k *ar)
} }
list_del_init(&artxq->list); list_del_init(&artxq->list);
ath10k_htt_tx_txq_update(hw, txq);
if (artxq == last || (ret < 0 && ret != -ENOENT)) {
if (ret != -ENOENT) if (ret != -ENOENT)
list_add_tail(&artxq->list, &ar->txqs); list_add_tail(&artxq->list, &ar->txqs);
ath10k_htt_tx_txq_update(hw, txq);
if (artxq == last || (ret < 0 && ret != -ENOENT))
break; break;
} }
}
rcu_read_unlock(); rcu_read_unlock();
spin_unlock_bh(&ar->txqs_lock); spin_unlock_bh(&ar->txqs_lock);