| Message ID | 20220602195206.31061-2-nbd@nbd.name (mailing list archive) |
|---|---|
| State | Accepted |
| Delegated to: | Felix Fietkau |
| Headers | show |
| Series | [1/2] mt76: mt7915: add missing bh-disable around tx napi enable/schedule | expand |
diff --git a/drivers/net/wireless/mediatek/mt76/mt7615/mac.c b/drivers/net/wireless/mediatek/mt76/mt7615/mac.c index bd687f7de628..f26213c4e64c 100644 --- a/drivers/net/wireless/mediatek/mt76/mt7615/mac.c +++ b/drivers/net/wireless/mediatek/mt76/mt7615/mac.c @@ -2094,8 +2094,10 @@ void mt7615_pm_wake_work(struct work_struct *work) mt76_connac_pm_dequeue_skbs(mphy, &dev->pm); mt76_worker_schedule(&mdev->sdio.txrx_worker); } else { + local_bh_disable(); mt76_for_each_q_rx(mdev, i) napi_schedule(&mdev->napi[i]); + local_bh_enable(); mt76_connac_pm_dequeue_skbs(mphy, &dev->pm); mt76_queue_tx_cleanup(dev, mdev->q_mcu[MT_MCUQ_WM], false);
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> --- drivers/net/wireless/mediatek/mt76/mt7615/mac.c | 2 ++ 1 file changed, 2 insertions(+)