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>

1 files changed, 0 insertions, 2 deletions

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);