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| 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/mt76x0 | |
| parent | mt76: fill boottime_ns in Rx path (diff) | |
| download | linux-970be1dff26dc387591688a08e4c21ebd13c3fc2.tar.xz linux-970be1dff26dc387591688a08e4c21ebd13c3fc2.zip | |
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/mt76x0')
| -rw-r--r-- | drivers/net/wireless/mediatek/mt76/mt76x0/pci.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/net/wireless/mediatek/mt76/mt76x0/pci.c b/drivers/net/wireless/mediatek/mt76/mt76x0/pci.c index 92ddb8c68938..f19228fc5a70 100644 --- a/drivers/net/wireless/mediatek/mt76/mt76x0/pci.c +++ b/drivers/net/wireless/mediatek/mt76/mt76x0/pci.c @@ -276,6 +276,7 @@ static int mt76x0e_resume(struct pci_dev *pdev) mt76_worker_enable(&mdev->tx_worker); + local_bh_disable(); mt76_for_each_q_rx(mdev, i) { mt76_queue_rx_reset(dev, i); napi_enable(&mdev->napi[i]); @@ -284,6 +285,7 @@ static int mt76x0e_resume(struct pci_dev *pdev) napi_enable(&mdev->tx_napi); napi_schedule(&mdev->tx_napi); + local_bh_enable(); return mt76x0e_init_hardware(dev, true); } |