Fixes potential RCU issues and avoids calling ieee80211_rx_napi with softirq
enabled.
Reported-by: Markus Theil <markus.theil@xxxxxxxxxxxxx>
Signed-off-by: Felix Fietkau <nbd@xxxxxxxx>
---
drivers/net/wireless/mediatek/mt76/dma.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/net/wireless/mediatek/mt76/dma.c b/drivers/net/wireless/mediatek/mt76/dma.c
index 6173c80189ba..ed0ee2d4a452 100644
--- a/drivers/net/wireless/mediatek/mt76/dma.c
+++ b/drivers/net/wireless/mediatek/mt76/dma.c
@@ -528,7 +528,7 @@ mt76_dma_rx_poll(struct napi_struct *napi, int budget)
dev = container_of(napi->dev, struct mt76_dev, napi_dev);
qid = napi - dev->napi;
- rcu_read_lock();
+ rcu_read_lock_bh();
do {
cur = mt76_dma_rx_process(dev, &dev->q_rx[qid], budget - done);
@@ -536,7 +536,7 @@ mt76_dma_rx_poll(struct napi_struct *napi, int budget)
done += cur;
} while (cur && done < budget);
- rcu_read_unlock();
+ rcu_read_unlock_bh();
if (done < budget && napi_complete(napi))
dev->drv->rx_poll_complete(dev, qid);
--
2.24.0
