linux-kernel - [PATCH] phy: tegra: xusb: Fix missing put_device() in tegra210_xusb_padctl

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Message-Id: <20211230080031.26952-1-linmq006@gmail.com>
Date:   Thu, 30 Dec 2021 08:00:31 +0000
From:   Miaoqian Lin <linmq006@...il.com>
To:     unlisted-recipients:; (no To-header on input)
Cc:     linmq006@...il.com, JC Kuo <jckuo@...dia.com>,
        Kishon Vijay Abraham I <kishon@...com>,
        Vinod Koul <vkoul@...nel.org>,
        Thierry Reding <thierry.reding@...il.com>,
        Jonathan Hunter <jonathanh@...dia.com>,
        linux-phy@...ts.infradead.org, linux-tegra@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: [PATCH] phy: tegra: xusb: Fix missing put_device() in tegra210_xusb_padctl_probe

If of_find_device_by_node() succeeds, tegra210_xusb_padctl_probe()
doesn't have a corresponding put_device(). Thus add put_device() to
fix the exception handling.

Fixes: 2d10214 ("phy: tegra: xusb: Add wake/sleepwalk for Tegra210")
Signed-off-by: Miaoqian Lin <linmq006@...il.com>
---
 drivers/phy/tegra/xusb-tegra210.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/drivers/phy/tegra/xusb-tegra210.c b/drivers/phy/tegra/xusb-tegra210.c
index eedfc7c2cc05..05a0800af0e8 100644
--- a/drivers/phy/tegra/xusb-tegra210.c
+++ b/drivers/phy/tegra/xusb-tegra210.c
@@ -3170,8 +3170,10 @@ tegra210_xusb_padctl_probe(struct device *dev,
 		goto out;
 	}
 
-	if (!platform_get_drvdata(pdev))
+	if (!platform_get_drvdata(pdev)) {
+		put_device(&pdev->dev);
 		return ERR_PTR(-EPROBE_DEFER);
+	}
 
 	padctl->regmap = dev_get_regmap(&pdev->dev, "usb_sleepwalk");
 	if (!padctl->regmap)
-- 
2.17.1