From: Myeonghun Pak mt7925_pci_probe() initializes DMA before registering the device. If mt7925_register_device() fails, probe returns through err_free_irq without tearing down DMA state. That leaves the TX NAPI instance enabled and skips the DMA queue cleanup that the normal remove path performs through mt7925e_unregister_device(). Add a dedicated unwind label for failures after mt7925_dma_init() succeeds. Fixes: c948b5da6bbe ("wifi: mt76: mt7925: add Mediatek Wi-Fi7 driver for mt7925 chips") Co-developed-by: Ijae Kim Signed-off-by: Ijae Kim Signed-off-by: Myeonghun Pak --- drivers/net/wireless/mediatek/mt76/mt7925/pci.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/drivers/net/wireless/mediatek/mt76/mt7925/pci.c b/drivers/net/wireless/mediatek/mt76/mt7925/pci.c index c4161754c0..4883772302 100644 --- a/drivers/net/wireless/mediatek/mt76/mt7925/pci.c +++ b/drivers/net/wireless/mediatek/mt76/mt7925/pci.c @@ -415,10 +415,12 @@ static int mt7925_pci_probe(struct pci_dev *pdev, ret = mt7925_register_device(dev); if (ret) - goto err_free_irq; + goto err_free_dma; return 0; +err_free_dma: + mt792x_dma_cleanup(dev); err_free_irq: devm_free_irq(&pdev->dev, pdev->irq, dev); err_free_dev: -- 2.39.5