netdev - [PATCH net v2 2/3] stmmac: dwmac-loongson: fix missing pci_disable_device() in loongson_dwmac

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Date:   Tue, 8 Nov 2022 19:46:46 +0800
From:   Yang Yingliang <yangyingliang@...wei.com>
To:     <netdev@...r.kernel.org>
CC:     <peppe.cavallaro@...com>, <alexandre.torgue@...s.st.com>,
        <joabreu@...opsys.com>, <davem@...emloft.net>,
        <jiaxun.yang@...goat.com>, <zhangqing@...ngson.cn>,
        <liupeibao@...ngson.cn>, <andrew@...n.ch>, <kuba@...nel.org>,
        <pabeni@...hat.com>
Subject: [PATCH net v2 2/3] stmmac: dwmac-loongson: fix missing pci_disable_device() in loongson_dwmac_probe()

Add missing pci_disable_device() in the error path in loongson_dwmac_probe().

Fixes: 30bba69d7db4 ("stmmac: pci: Add dwmac support for Loongson")
Signed-off-by: Yang Yingliang <yangyingliang@...wei.com>
---
 drivers/net/ethernet/stmicro/stmmac/dwmac-loongson.c | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac-loongson.c b/drivers/net/ethernet/stmicro/stmmac/dwmac-loongson.c
index 16915b4d9505..2d480bc49c51 100644
--- a/drivers/net/ethernet/stmicro/stmmac/dwmac-loongson.c
+++ b/drivers/net/ethernet/stmicro/stmmac/dwmac-loongson.c
@@ -97,7 +97,7 @@ static int loongson_dwmac_probe(struct pci_dev *pdev, const struct pci_device_id
 			continue;
 		ret = pcim_iomap_regions(pdev, BIT(0), pci_name(pdev));
 		if (ret)
-			return ret;
+			goto err_disable_device;
 		break;
 	}
 
@@ -108,7 +108,8 @@ static int loongson_dwmac_probe(struct pci_dev *pdev, const struct pci_device_id
 	phy_mode = device_get_phy_mode(&pdev->dev);
 	if (phy_mode < 0) {
 		dev_err(&pdev->dev, "phy_mode not found\n");
-		return phy_mode;
+		ret = phy_mode;
+		goto err_disable_device;
 	}
 
 	plat->phy_interface = phy_mode;
@@ -149,6 +150,8 @@ static int loongson_dwmac_probe(struct pci_dev *pdev, const struct pci_device_id
 
 err_disable_msi:
 	pci_disable_msi(pdev);
+err_disable_device:
+	pci_disable_device(pdev);
 	return ret;
 }
 
-- 
2.25.1