github-mirror/linux
1
0
Fork 0
mirror of https://github.com/torvalds/linux.git synced 2026-05-28 17:13:52 +02:00
Code Issues Actions Packages Projects Releases Wiki Activity Graph

mt76: mt7921: add missing bh-disable around rx napi schedule

Browse Source 
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>
Signed-off-by: Felix Fietkau <nbd@nbd.name>
This commit is contained in:
Lorenzo Bianconi 2022-06-03 09:35:00 +02:00 committed by Felix Fietkau
parent e55c27ed9c
commit 9ed107e0e9
1 changed files with 2 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
drivers/net/wireless/mediatek/mt76/mt7921/mac.c
View File

@ -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);
}