linux-kernel - [PATCH 4.9 25/32] usb: u132-hcd: fix resource leak

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Date:   Thu,  2 May 2019 17:21:11 +0200
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        stable@...r.kernel.org, Mukesh Ojha <mojha@...eaurora.org>,
        "Sasha Levin (Microsoft)" <sashal@...nel.org>
Subject: [PATCH 4.9 25/32] usb: u132-hcd: fix resource leak

[ Upstream commit f276e002793cdb820862e8ea8f76769d56bba575 ]

if platform_driver_register fails, cleanup the allocated resource
gracefully.

Signed-off-by: Mukesh Ojha <mojha@...eaurora.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Signed-off-by: Sasha Levin (Microsoft) <sashal@...nel.org>
---
 drivers/usb/host/u132-hcd.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/drivers/usb/host/u132-hcd.c b/drivers/usb/host/u132-hcd.c
index 43618976d68a..3efb7b0e8269 100644
--- a/drivers/usb/host/u132-hcd.c
+++ b/drivers/usb/host/u132-hcd.c
@@ -3208,6 +3208,9 @@ static int __init u132_hcd_init(void)
 	printk(KERN_INFO "driver %s\n", hcd_name);
 	workqueue = create_singlethread_workqueue("u132");
 	retval = platform_driver_register(&u132_platform_driver);
+	if (retval)
+		destroy_workqueue(workqueue);
+
 	return retval;
 }
 
-- 
2.19.1