5.15-stable review patch. If anyone has any objections, please let me know. ------------------ From: Felix Fietkau <nbd@xxxxxxxx> [ Upstream commit 8f7152f10cb434f954aeff85ca1be9cd4d01912b ] Prevent racing against other functions disabling the same worker Link: https://patch.msgid.link/20240827093011.18621-17-nbd@xxxxxxxx Signed-off-by: Felix Fietkau <nbd@xxxxxxxx> Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx> --- 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 a8a0e6af51f85..f6e686cc642b6 100644 --- a/drivers/net/wireless/mediatek/mt76/mt7915/mac.c +++ b/drivers/net/wireless/mediatek/mt76/mt7915/mac.c @@ -1653,13 +1653,15 @@ 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); napi_disable(&dev->mt76.napi[0]); napi_disable(&dev->mt76.napi[1]); napi_disable(&dev->mt76.napi[2]); napi_disable(&dev->mt76.tx_napi); - mutex_lock(&dev->mt76.mutex); mt76_wr(dev, MT_MCU_INT_EVENT, MT_MCU_INT_EVENT_DMA_STOPPED); -- 2.43.0
