[PATCH net] net: ethernet: mtk-star-emac: disable napi when connect and start PHY failed in mtk_star_enable()

Zhengchao Shao
2022-11-07T01:15:35Z

When failed to connect to and start PHY in mtk_star_enable() for opening
device, napi isn't disabled. When open mtk star device next time, it will
reports a invalid opcode issue. Fix it. Only be compiled, not be tested.

Fixes: 8c7bd5a454ff ("net: ethernet: mtk-star-emac: new driver")
Signed-off-by: Zhengchao Shao <shaozhengchao@huawei.com>
---
drivers/net/ethernet/mediatek/mtk_star_emac.c | 2 ++
1 file changed, 2 insertions(+)

diff --git a/drivers/net/ethernet/mediatek/mtk_star_emac.c b/drivers/net/ethernet/mediatek/mtk_star_emac.c
index 7e890f81148e..7050351250b7 100644
--- a/drivers/net/ethernet/mediatek/mtk_star_emac.c
+++ b/drivers/net/ethernet/mediatek/mtk_star_emac.c
@@ -1026,6 +1026,8 @@ static int mtk_star_enable(struct net_device *ndev)
return 0;

err_free_irq:
+ napi_disable(&priv->rx_napi);
+ napi_disable(&priv->tx_napi);
free_irq(ndev->irq, ndev);
err_free_skbs:
mtk_star_free_rx_skbs(priv);
--
2.17.1