4.4-stable patches

[thirdparty/kernel/stable-queue.git] / queue-4.4 / usb-u132-hcd-fix-resource-leak.patch

From f0ef6b77f1d624c44976010f32287314ff6bf73a Mon Sep 17 00:00:00 2001
From: Mukesh Ojha <mojha@codeaurora.org>
Date: Tue, 26 Mar 2019 13:42:22 +0530
Subject: 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@codeaurora.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Sasha Levin (Microsoft) <sashal@kernel.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 d5434e7a3b2e..86f9944f337d 100644
--- a/drivers/usb/host/u132-hcd.c
+++ b/drivers/usb/host/u132-hcd.c
@@ -3214,6 +3214,9 @@ 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