From: Mukesh Ojha <mojha@codeaurora.org>
Date: Tue, 26 Mar 2019 08:12:22 +0000 (+0530)
Subject: usb: u132-hcd: fix resource leak
X-Git-Tag: v4.4.180~163
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=4663cb7947dd74c625b4badd9cd18c077d14fc9c;p=thirdparty%2Fkernel%2Fstable.git

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>
---

diff --git a/drivers/usb/host/u132-hcd.c b/drivers/usb/host/u132-hcd.c
index d5434e7a3b2e7..86f9944f337da 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;
 }