linux-kernel - [PATCH net] net: ethernet: mtk-star-emac: fix error return code in mtk_star

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Message-ID: <1605180879-2573-1-git-send-email-zhangchangzhong@huawei.com>
Date:   Thu, 12 Nov 2020 19:34:39 +0800
From:   Zhang Changzhong <zhangchangzhong@...wei.com>
To:     <nbd@....name>, <john@...ozen.org>, <sean.wang@...iatek.com>,
        <Mark-MC.Lee@...iatek.com>, <davem@...emloft.net>,
        <kuba@...nel.org>, <matthias.bgg@...il.com>,
        <bgolaszewski@...libre.com>
CC:     <netdev@...r.kernel.org>, <linux-kernel@...r.kernel.org>
Subject: [PATCH net] net: ethernet: mtk-star-emac: fix error return code in mtk_star_enable()

Fix to return a negative error code from the error handling
case instead of 0, as done elsewhere in this function.

Fixes: 8c7bd5a454ff ("net: ethernet: mtk-star-emac: new driver")
Reported-by: Hulk Robot <hulkci@...wei.com>
Signed-off-by: Zhang Changzhong <zhangchangzhong@...wei.com>
---
 drivers/net/ethernet/mediatek/mtk_star_emac.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/net/ethernet/mediatek/mtk_star_emac.c b/drivers/net/ethernet/mediatek/mtk_star_emac.c
index 1325055..2ebacb6 100644
--- a/drivers/net/ethernet/mediatek/mtk_star_emac.c
+++ b/drivers/net/ethernet/mediatek/mtk_star_emac.c
@@ -966,6 +966,7 @@ static int mtk_star_enable(struct net_device *ndev)
 				      mtk_star_adjust_link, 0, priv->phy_intf);
 	if (!priv->phydev) {
 		netdev_err(ndev, "failed to connect to PHY\n");
+		ret = -ENODEV;
 		goto err_free_irq;
 	}
 
-- 
2.9.5