| Message ID | e409d1226c837d609b80611a569ff3cf93b88093.1654241613.git.lorenzo@kernel.org (mailing list archive) |
|---|---|
| State | Accepted |
| Delegated to: | Felix Fietkau |
| Headers | show |
| Series | mt76: mt7921: add missing bh-disable around rx napi schedule | expand |
diff --git a/drivers/net/wireless/mediatek/mt76/mt7921/mac.c b/drivers/net/wireless/mediatek/mt76/mt7921/mac.c index a630ddbf19e5..01ed779d3976 100644 --- a/drivers/net/wireless/mediatek/mt76/mt7921/mac.c +++ b/drivers/net/wireless/mediatek/mt76/mt7921/mac.c @@ -1538,8 +1538,10 @@ void mt7921_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); mt7921_mcu_tx_cleanup(dev); }
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: Lorenzo Bianconi <lorenzo@kernel.org> --- drivers/net/wireless/mediatek/mt76/mt7921/mac.c | 2 ++ 1 file changed, 2 insertions(+)