From fa0ef93868a6062babe1144df2807a8b1d4924d2 Mon Sep 17 00:00:00 2001
From: Miaoqian Lin <linmq006@gmail.com>
Date: Fri, 31 Dec 2021 11:36:41 +0000
Subject: [PATCH] usb: dwc3: dwc3-qcom: Add missing platform_device_put() in
dwc3_qcom_acpi_register_core
Git-commit: fa0ef93868a6062babe1144df2807a8b1d4924d2
References: bsc#1208741 CVE-2023-22995
Patch-mainline: v5.17-rc1
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>
Link: https://lore.kernel.org/r/20211231113641.31474-1-linmq006@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Oliver Neukum <oneukum@suse.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;
}
--
2.35.3