mt76: mt7915: add missing bh-disable around tx napi enable/schedule

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>

diff --git a/drivers/net/wireless/mediatek/mt76/mt7915/mac.c b/drivers/net/wireless/mediatek/mt76/mt7915/mac.c
index 27b3080..00d670f 100644 (file)
--- a/drivers/net/wireless/mediatek/mt76/mt7915/mac.c
+++ b/drivers/net/wireless/mediatek/mt76/mt7915/mac.c
@@ -2183,8 +2183,10 @@ void mt7915_mac_reset_work(struct work_struct *work)
 
        mt76_worker_enable(&dev->mt76.tx_worker);
 
+       local_bh_disable();
        napi_enable(&dev->mt76.tx_napi);
        napi_schedule(&dev->mt76.tx_napi);
+       local_bh_enable();
 
        ieee80211_wake_queues(mt76_hw(dev));
        if (ext_phy)