From: Andrew Morton <akpm@linux-foundation.org>
Date: Fri, 14 Dec 2007 00:15:34 +0000 (-0800)
Subject: USB: testing driver: don't free a locked mutex
X-Git-Url: http://git.cdn.openwrt.org/?a=commitdiff_plain;h=26e109b0a90b5ef7b025e44a969836ab9a598ffc;p=openwrt%2Fstaging%2Fblogic.git

USB: testing driver: don't free a locked mutex

Dopey thing to do and lockdep will (or should) warn.

Spotted by Daniel Walker.

Cc: Matthias Kaehlcke <matthias.kaehlcke@gmail.com>
Cc: Daniel Walker <dwalker@mvista.com>
Cc: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---

diff --git a/drivers/usb/misc/usbtest.c b/drivers/usb/misc/usbtest.c
index e3851359d653..f1b886c204c0 100644
--- a/drivers/usb/misc/usbtest.c
+++ b/drivers/usb/misc/usbtest.c
@@ -1992,8 +1992,6 @@ static void usbtest_disconnect (struct usb_interface *intf)
 {
 	struct usbtest_dev	*dev = usb_get_intfdata (intf);
 
-	mutex_lock(&dev->lock);
-
 	usb_set_intfdata (intf, NULL);
 	dev_dbg (&intf->dev, "disconnect\n");
 	kfree (dev);