netdev - [PATCH net] net: stmmac: dwmac-intel-plat: fix error return code in intel_eth_plat

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Date:   Fri, 13 Nov 2020 14:34:03 +0800
From:   Zhang Changzhong <zhangchangzhong@...wei.com>
To:     <peppe.cavallaro@...com>, <alexandre.torgue@...com>,
        <joabreu@...opsys.com>, <davem@...emloft.net>, <kuba@...nel.org>,
        <mcoquelin.stm32@...il.com>, <vineetha.g.jaya.kumaran@...el.com>,
        <rusaimi.amira.rusaimi@...el.com>
CC:     <netdev@...r.kernel.org>, <linux-kernel@...r.kernel.org>
Subject: [PATCH net] net: stmmac: dwmac-intel-plat: fix error return code in intel_eth_plat_probe()

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

Fixes: 9efc9b2b04c7 ("net: stmmac: Add dwmac-intel-plat for GBE driver")
Reported-by: Hulk Robot <hulkci@...wei.com>
Signed-off-by: Zhang Changzhong <zhangchangzhong@...wei.com>
---
 drivers/net/ethernet/stmicro/stmmac/dwmac-intel-plat.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac-intel-plat.c b/drivers/net/ethernet/stmicro/stmmac/dwmac-intel-plat.c
index f61cb99..82b1c7a 100644
--- a/drivers/net/ethernet/stmicro/stmmac/dwmac-intel-plat.c
+++ b/drivers/net/ethernet/stmicro/stmmac/dwmac-intel-plat.c
@@ -113,8 +113,10 @@ static int intel_eth_plat_probe(struct platform_device *pdev)
 		/* Enable TX clock */
 		if (dwmac->data->tx_clk_en) {
 			dwmac->tx_clk = devm_clk_get(&pdev->dev, "tx_clk");
-			if (IS_ERR(dwmac->tx_clk))
+			if (IS_ERR(dwmac->tx_clk)) {
+				ret = PTR_ERR(dwmac->tx_clk);
 				goto err_remove_config_dt;
+			}
 
 			clk_prepare_enable(dwmac->tx_clk);
 
-- 
2.9.5