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mt76x02: clear running flag when resetting state on restart

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Use it to avoid unsafe calls to mt76_wake_tx_queue

Signed-off-by: Felix Fietkau <[email protected]>
This commit is contained in:
Felix Fietkau
2019-03-01 14:51:48 +01:00
parent 8b437d26a9
commit 2c62d03d69
2 changed files with 8 additions and 4 deletions
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mt76x02_mmio.c
+5 -4
View File
@@ -423,6 +423,8 @@ static void mt76x02_reset_state(struct mt76x02_dev *dev)
{
int i;
clear_bit(MT76_STATE_RUNNING, &dev->mt76.state);
rcu_read_lock();
ieee80211_iter_keys_rcu(dev->mt76.hw, NULL, mt76x02_key_sync, NULL);
@@ -527,13 +529,12 @@ static void mt76x02_watchdog_reset(struct mt76x02_dev *dev)
napi_schedule(&dev->mt76.napi[i]);
}
ieee80211_wake_queues(dev->mt76.hw);
mt76_txq_schedule_all(&dev->mt76);
if (restart) {
mt76x02_mcu_function_select(dev, Q_SELECT, 1);
ieee80211_restart_hw(dev->mt76.hw);
} else {
ieee80211_wake_queues(dev->mt76.hw);
mt76_txq_schedule_all(&dev->mt76);
}
}
tx.c
+3
View File
@@ -580,6 +580,9 @@ void mt76_wake_tx_queue(struct ieee80211_hw *hw, struct ieee80211_txq *txq)
struct mt76_txq *mtxq = (struct mt76_txq *) txq->drv_priv;
struct mt76_queue *hwq = mtxq->hwq;
if (!test_bit(MT76_STATE_RUNNING, &dev->state))
return;
spin_lock_bh(&hwq->lock);
if (list_empty(&mtxq->list))
list_add_tail(&mtxq->list, &hwq->swq);