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USB: testing driver: don't free a locked mutex
author
Andrew Morton
<akpm@linux-foundation.org>
Fri, 14 Dec 2007 00:15:34 +0000
(16:15 -0800)
committer
Greg Kroah-Hartman
<gregkh@suse.de>
Fri, 1 Feb 2008 22:34:57 +0000
(14:34 -0800)
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>
drivers/usb/misc/usbtest.c
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diff --git
a/drivers/usb/misc/usbtest.c
b/drivers/usb/misc/usbtest.c
index
e385135
..
f1b886c
100644
(file)
--- 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);