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From:   Greg Kroah-Hartman <gregkh@linuxfoundation.org>
To:     linux-kernel@vger.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
        Kangjie Lu <kjlu@umn.edu>
Subject: [PATCH 108/190] Revert "usb: u132-hcd: fix potential NULL pointer dereference"
Date:   Wed, 21 Apr 2021 14:59:43 +0200
Message-Id: <20210421130105.1226686-109-gregkh@linuxfoundation.org>
In-Reply-To: <20210421130105.1226686-1-gregkh@linuxfoundation.org>
References: <20210421130105.1226686-1-gregkh@linuxfoundation.org>
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This reverts commit 3de3dbe7c13210171ba8411e36b409a2c29c7415.

Commits from @umn.edu addresses have been found to be submitted in "bad
faith" to try to test the kernel community's ability to review "known
malicious" changes.  The result of these submissions can be found in a
paper published at the 42nd IEEE Symposium on Security and Privacy
entitled, "Open Source Insecurity: Stealthily Introducing
Vulnerabilities via Hypocrite Commits" written by Qiushi Wu (University
of Minnesota) and Kangjie Lu (University of Minnesota).

Because of this, all submissions from this group must be reverted from
the kernel tree and will need to be re-reviewed again to determine if
they actually are a valid fix.  Until that work is complete, remove this
change to ensure that no problems are being introduced into the
codebase.

Cc: Kangjie Lu <kjlu@umn.edu>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
 drivers/usb/host/u132-hcd.c | 2 --
 1 file changed, 2 deletions(-)

diff --git a/drivers/usb/host/u132-hcd.c b/drivers/usb/host/u132-hcd.c
index eb96e1e15b71..2b7bcbe2df4b 100644
--- a/drivers/usb/host/u132-hcd.c
+++ b/drivers/usb/host/u132-hcd.c
@@ -3195,8 +3195,6 @@ static int __init u132_hcd_init(void)
 		return -ENODEV;
 	printk(KERN_INFO "driver %s\n", hcd_name);
 	workqueue = create_singlethread_workqueue("u132");
-	if (!workqueue)
-		return -ENOMEM;
 	retval = platform_driver_register(&u132_platform_driver);
 	if (retval)
 		destroy_workqueue(workqueue);
-- 
2.31.1