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-Tag: v2.6.25-rc1~1075^2~61
X-Git-Url: https://err.no/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=26e109b0a90b5ef7b025e44a969836ab9a598ffc;p=linux-2.6

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 e3851359d6..f1b886c204 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);