linux-kernel - [net-next PATCH v2 4/5] net: macb: simplify error paths in init_reset

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Date:   Mon, 4 Jul 2022 12:45:11 +0100
From:   Conor Dooley <conor.dooley@...rochip.com>
To:     "David S . Miller" <davem@...emloft.net>,
        Eric Dumazet <edumazet@...gle.com>,
        Jakub Kicinski <kuba@...nel.org>,
        Paolo Abeni <pabeni@...hat.com>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Nicolas Ferre <nicolas.ferre@...rochip.com>,
        Claudiu Beznea <claudiu.beznea@...rochip.com>
CC:     <netdev@...r.kernel.org>, <devicetree@...r.kernel.org>,
        <linux-riscv@...ts.infradead.org>, <linux-kernel@...r.kernel.org>,
        "Conor Dooley" <conor.dooley@...rochip.com>
Subject: [net-next PATCH v2 4/5] net: macb: simplify error paths in init_reset_optional()

The error handling paths in init_reset_optional() can all be
simplified to return dev_err_probe(). Do so.

Signed-off-by: Conor Dooley <conor.dooley@...rochip.com>
---
 drivers/net/ethernet/cadence/macb_main.c | 20 +++++++-------------
 1 file changed, 7 insertions(+), 13 deletions(-)

diff --git a/drivers/net/ethernet/cadence/macb_main.c b/drivers/net/ethernet/cadence/macb_main.c
index 85a2e1ea7826..4423d99c72a7 100644
--- a/drivers/net/ethernet/cadence/macb_main.c
+++ b/drivers/net/ethernet/cadence/macb_main.c
@@ -4699,27 +4699,21 @@ static int init_reset_optional(struct platform_device *pdev)
 		/* Ensure PHY device used in SGMII mode is ready */
 		bp->sgmii_phy = devm_phy_optional_get(&pdev->dev, NULL);
 
-		if (IS_ERR(bp->sgmii_phy)) {
-			ret = PTR_ERR(bp->sgmii_phy);
-			dev_err_probe(&pdev->dev, ret,
-				      "failed to get SGMII PHY\n");
-			return ret;
-		}
+		if (IS_ERR(bp->sgmii_phy))
+			return dev_err_probe(&pdev->dev, PTR_ERR(bp->sgmii_phy),
+					     "failed to get SGMII PHY\n");
 
 		ret = phy_init(bp->sgmii_phy);
-		if (ret) {
-			dev_err(&pdev->dev, "failed to init SGMII PHY: %d\n",
-				ret);
-			return ret;
-		}
+		if (ret)
+			return dev_err_probe(&pdev->dev, ret,
+					     "failed to init SGMII PHY\n");
 	}
 
 	/* Fully reset controller at hardware level if mapped in device tree */
 	ret = device_reset_optional(&pdev->dev);
 	if (ret) {
-		dev_err_probe(&pdev->dev, ret, "failed to reset controller");
 		phy_exit(bp->sgmii_phy);
-		return ret;
+		return dev_err_probe(&pdev->dev, ret, "failed to reset controller");
 	}
 
 	ret = macb_init(pdev);
-- 
2.36.1