Commit 9ed107e0 authored by Lorenzo Bianconi's avatar Lorenzo Bianconi Committed by Felix Fietkau
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mt76: mt7921: add missing bh-disable around rx napi schedule 



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: default avatarLorenzo Bianconi <lorenzo@kernel.org>
Signed-off-by: default avatarFelix Fietkau <nbd@nbd.name>
parent e55c27ed

drivers/net/wireless/mediatek/mt76/mt7921/mac.c

+2 −0
Original line number Diff line number Diff line
@@ -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);

		}