netdev - [PATCH net-next] net: stmmac: Fix error return code in ingenic_mac

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Message-ID: <20210615172155.2839938-1-weiyongjun1@huawei.com>
Date:   Tue, 15 Jun 2021 17:21:55 +0000
From:   Wei Yongjun <weiyongjun1@...wei.com>
To:     <weiyongjun1@...wei.com>,
        周琰杰 <zhouyanjie@...yeetech.com>,
        Giuseppe Cavallaro <peppe.cavallaro@...com>,
        Alexandre Torgue <alexandre.torgue@...s.st.com>,
        Jose Abreu <joabreu@...opsys.com>,
        "David S. Miller" <davem@...emloft.net>,
        Jakub Kicinski <kuba@...nel.org>,
        Maxime Coquelin <mcoquelin.stm32@...il.com>
CC:     <netdev@...r.kernel.org>,
        <linux-stm32@...md-mailman.stormreply.com>,
        <linux-arm-kernel@...ts.infradead.org>,
        <kernel-janitors@...r.kernel.org>, Hulk Robot <hulkci@...wei.com>
Subject: [PATCH net-next] net: stmmac: Fix error return code in ingenic_mac_probe()

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

Fixes: 2bb4b98b60d7 ("net: stmmac: Add Ingenic SoCs MAC support.")
Reported-by: Hulk Robot <hulkci@...wei.com>
Signed-off-by: Wei Yongjun <weiyongjun1@...wei.com>
---
 drivers/net/ethernet/stmicro/stmmac/dwmac-ingenic.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac-ingenic.c b/drivers/net/ethernet/stmicro/stmmac/dwmac-ingenic.c
index 60984c1a154d..9a6d819b84ae 100644
--- a/drivers/net/ethernet/stmicro/stmmac/dwmac-ingenic.c
+++ b/drivers/net/ethernet/stmicro/stmmac/dwmac-ingenic.c
@@ -263,6 +263,7 @@ static int ingenic_mac_probe(struct platform_device *pdev)
 	mac->regmap = syscon_regmap_lookup_by_phandle(pdev->dev.of_node, "mode-reg");
 	if (IS_ERR(mac->regmap)) {
 		dev_err(&pdev->dev, "%s: Failed to get syscon regmap\n", __func__);
+		ret = PTR_ERR(mac->regmap);
 		goto err_remove_config_dt;
 	}