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From: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
To: kishon@ti.com, vkoul@kernel.org, tony@atomide.com
Cc: linux-phy@lists.infradead.org, linux-kernel@vger.kernel.org,
	kernel-janitors@vger.kernel.org,
	Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Subject: [PATCH] phy: ti: dm816x: Fix the error handling path in 'dm816x_usb_phy_probe()
Date: Sat,  5 Jun 2021 15:17:43 +0200
Message-ID: <ac5136881f6bdec50be19b3bf73b3bc1b15ef1f1.1622898974.git.christophe.jaillet@wanadoo.fr> (raw)

Add an error handling path in the probe to release some resources, as
already done in the remove function.

Fixes: 609adde838f4 ("phy: Add a driver for dm816x USB PHY")
Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
---
 drivers/phy/ti/phy-dm816x-usb.c | 17 +++++++++++++----
 1 file changed, 13 insertions(+), 4 deletions(-)

diff --git a/drivers/phy/ti/phy-dm816x-usb.c b/drivers/phy/ti/phy-dm816x-usb.c
index 57adc08a89b2..9fe6ea6fdae5 100644
--- a/drivers/phy/ti/phy-dm816x-usb.c
+++ b/drivers/phy/ti/phy-dm816x-usb.c
@@ -242,19 +242,28 @@ static int dm816x_usb_phy_probe(struct platform_device *pdev)
 
 	pm_runtime_enable(phy->dev);
 	generic_phy = devm_phy_create(phy->dev, NULL, &ops);
-	if (IS_ERR(generic_phy))
-		return PTR_ERR(generic_phy);
+	if (IS_ERR(generic_phy)) {
+		error = PTR_ERR(generic_phy);
+		goto clk_unprepare;
+	}
 
 	phy_set_drvdata(generic_phy, phy);
 
 	phy_provider = devm_of_phy_provider_register(phy->dev,
 						     of_phy_simple_xlate);
-	if (IS_ERR(phy_provider))
-		return PTR_ERR(phy_provider);
+	if (IS_ERR(phy_provider)) {
+		error = PTR_ERR(phy_provider);
+		goto clk_unprepare;
+	}
 
 	usb_add_phy_dev(&phy->phy);
 
 	return 0;
+
+clk_unprepare:
+	pm_runtime_disable(phy->dev);
+	clk_unprepare(phy->refclk);
+	return error;
 }
 
 static int dm816x_usb_phy_remove(struct platform_device *pdev)
-- 
2.30.2


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Thread overview: 2+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-06-05 13:17 Christophe JAILLET [this message]
2021-06-21  6:34 ` Vinod Koul

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