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From: Miaoqian Lin <linmq006@gmail.com>
To: unlisted-recipients:; (no To-header on input)
Cc: linmq006@gmail.com, Andy Gross <agross@kernel.org>,
	Bjorn Andersson <bjorn.andersson@linaro.org>,
	Felipe Balbi <balbi@kernel.org>,
	Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
	linux-arm-msm@vger.kernel.org, linux-usb@vger.kernel.org,
	linux-kernel@vger.kernel.org
Subject: [PATCH] usb: dwc3: dwc3-qcom: Add missing platform_device_put() in dwc3_qcom_acpi_register_core
Date: Fri, 31 Dec 2021 11:36:41 +0000	[thread overview]
Message-ID: <20211231113641.31474-1-linmq006@gmail.com> (raw)

Add the missing platform_device_put() before return from
dwc3_qcom_acpi_register_core in the error handling case.

Signed-off-by: Miaoqian Lin <linmq006@gmail.com>
---
 drivers/usb/dwc3/dwc3-qcom.c | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/drivers/usb/dwc3/dwc3-qcom.c b/drivers/usb/dwc3/dwc3-qcom.c
index 3cb01cdd02c2..5257783f17b0 100644
--- a/drivers/usb/dwc3/dwc3-qcom.c
+++ b/drivers/usb/dwc3/dwc3-qcom.c
@@ -598,8 +598,10 @@ static int dwc3_qcom_acpi_register_core(struct platform_device *pdev)
 	qcom->dwc3->dev.coherent_dma_mask = dev->coherent_dma_mask;
 
 	child_res = kcalloc(2, sizeof(*child_res), GFP_KERNEL);
-	if (!child_res)
+	if (!child_res) {
+		platform_device_put(qcom->dwc3);
 		return -ENOMEM;
+	}
 
 	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
 	if (!res) {
@@ -637,9 +639,13 @@ static int dwc3_qcom_acpi_register_core(struct platform_device *pdev)
 	if (ret) {
 		dev_err(&pdev->dev, "failed to add device\n");
 		device_remove_software_node(&qcom->dwc3->dev);
+		goto out;
 	}
+	kfree(child_res);
+	return 0;
 
 out:
+	platform_device_put(qcom->dwc3);
 	kfree(child_res);
 	return ret;
 }
-- 
2.17.1


             reply	other threads:[~2021-12-31 11:36 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-12-31 11:36 Miaoqian Lin [this message]
2022-01-04 20:10 ` [PATCH] usb: dwc3: dwc3-qcom: Add missing platform_device_put() in dwc3_qcom_acpi_register_core Vladimir Zapolskiy
2022-01-05  6:55   ` [PATCH v2] " Miaoqian Lin
2022-01-06 14:26     ` Greg KH
2022-01-07  3:07       ` Miaoqian Lin
2022-01-07  9:04         ` Greg KH

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