diff options
| author | Felix Fietkau <nbd@nbd.name> | 2021-09-24 17:54:40 +0200 |
|---|---|---|
| committer | Felix Fietkau <nbd@nbd.name> | 2021-10-20 10:36:39 +0200 |
| commit | 970be1dff26dc387591688a08e4c21ebd13c3fc2 (patch) | |
| tree | bb252a399b929a1cc27d4746319d68fc92bd8cd7 /drivers/net/wireless/mediatek/mt76/mt7921/pci.c | |
| parent | abe3f3da670981b6d7241c73a664ed850c8c3b9f (diff) | |
mt76: disable BH around napi_schedule() calls
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>
Diffstat (limited to 'drivers/net/wireless/mediatek/mt76/mt7921/pci.c')
| -rw-r--r-- | drivers/net/wireless/mediatek/mt76/mt7921/pci.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/net/wireless/mediatek/mt76/mt7921/pci.c b/drivers/net/wireless/mediatek/mt76/mt7921/pci.c index 44075f8f6e79..b5622b612613 100644 --- a/drivers/net/wireless/mediatek/mt76/mt7921/pci.c +++ b/drivers/net/wireless/mediatek/mt76/mt7921/pci.c @@ -302,12 +302,15 @@ static int mt7921_pci_resume(struct pci_dev *pdev) MT_WFDMA0_GLO_CFG_TX_DMA_EN | MT_WFDMA0_GLO_CFG_RX_DMA_EN); mt76_worker_enable(&mdev->tx_worker); + + local_bh_disable(); mt76_for_each_q_rx(mdev, i) { napi_enable(&mdev->napi[i]); napi_schedule(&mdev->napi[i]); } napi_enable(&mdev->tx_napi); napi_schedule(&mdev->tx_napi); + local_bh_enable(); /* restore previous ds setting */ if (!pm->ds_enable) |