[PATCH] mt76: use rcu_read_lock_bh in mt76u_rx_tasklet

[Markus Theil <markus.theil@xxxxxxxxxxxxx>]

Fixes potential RCU issues and avoids calling ieee80211_rx_napi with softirq
enabled.

Signed-off-by: Markus Theil <markus.theil@xxxxxxxxxxxxx>
---
 drivers/net/wireless/mediatek/mt76/usb.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/net/wireless/mediatek/mt76/usb.c b/drivers/net/wireless/mediatek/mt76/usb.c
index 0ad83fb5fd38..1cfbb41f7a36 100644
--- a/drivers/net/wireless/mediatek/mt76/usb.c
+++ b/drivers/net/wireless/mediatek/mt76/usb.c
@@ -549,7 +549,7 @@ static void mt76u_rx_tasklet(unsigned long data)
 	struct urb *urb;
 	int err, count;
 
-	rcu_read_lock();
+	rcu_read_lock_bh();
 
 	while (true) {
 		urb = mt76u_get_next_rx_entry(dev);
@@ -566,7 +566,7 @@ static void mt76u_rx_tasklet(unsigned long data)
 	}
 	mt76_rx_poll_complete(dev, MT_RXQ_MAIN, NULL);
 
-	rcu_read_unlock();
+	rcu_read_unlock_bh();
 }
 
 static int mt76u_submit_rx_buffers(struct mt76_dev *dev)
-- 
2.24.0