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mt76: mt7615: add missing bh-disable around rx napi schedule

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napi_schedule() can call __raise_softirq_irqoff(), which can perform softirq
handling, so it must not be called in a pure process context with BH enabled.

Signed-off-by: Felix Fietkau <nbd@nbd.name>
This commit is contained in:
Felix Fietkau 2022-06-02 21:44:21 +02:00
parent c0182aa985
commit e55c27ed9c
1 changed files with 2 additions and 0 deletions
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2
drivers/net/wireless/mediatek/mt76/mt7615/mac.c
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@ -2094,8 +2094,10 @@ void mt7615_pm_wake_work(struct work_struct *work)
mt76_connac_pm_dequeue_skbs(mphy, &dev->pm); mt76_connac_pm_dequeue_skbs(mphy, &dev->pm);
mt76_worker_schedule(&mdev->sdio.txrx_worker); mt76_worker_schedule(&mdev->sdio.txrx_worker);
} else { } else {
local_bh_disable();
mt76_for_each_q_rx(mdev, i) mt76_for_each_q_rx(mdev, i)
napi_schedule(&mdev->napi[i]); napi_schedule(&mdev->napi[i]);
local_bh_enable();
mt76_connac_pm_dequeue_skbs(mphy, &dev->pm); mt76_connac_pm_dequeue_skbs(mphy, &dev->pm);
mt76_queue_tx_cleanup(dev, mdev->q_mcu[MT_MCUQ_WM], mt76_queue_tx_cleanup(dev, mdev->q_mcu[MT_MCUQ_WM],
false); false);