From: Felix Fietkau nbd@nbd.name
[ Upstream commit 8f7152f10cb434f954aeff85ca1be9cd4d01912b ]
Prevent racing against other functions disabling the same worker
Link: https://patch.msgid.link/20240827093011.18621-17-nbd@nbd.name Signed-off-by: Felix Fietkau nbd@nbd.name Signed-off-by: Sasha Levin sashal@kernel.org --- drivers/net/wireless/mediatek/mt76/mt7915/mac.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/drivers/net/wireless/mediatek/mt76/mt7915/mac.c b/drivers/net/wireless/mediatek/mt76/mt7915/mac.c index 2222fb9aa103e..38d27f8721733 100644 --- a/drivers/net/wireless/mediatek/mt76/mt7915/mac.c +++ b/drivers/net/wireless/mediatek/mt76/mt7915/mac.c @@ -1538,12 +1538,14 @@ void mt7915_mac_reset_work(struct work_struct *work) set_bit(MT76_RESET, &phy2->mt76->state); cancel_delayed_work_sync(&phy2->mt76->mac_work); } + + mutex_lock(&dev->mt76.mutex); + mt76_worker_disable(&dev->mt76.tx_worker); mt76_for_each_q_rx(&dev->mt76, i) napi_disable(&dev->mt76.napi[i]); napi_disable(&dev->mt76.tx_napi);
- mutex_lock(&dev->mt76.mutex);
mt76_wr(dev, MT_MCU_INT_EVENT, MT_MCU_INT_EVENT_DMA_STOPPED);