[patch 7/8] USB testing driver: don't free a locked mutex

[akpm@xxxxxxxxxxxxxxxxxxxx]

From: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>

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

Spotted by Daniel Walker.

Cc: Matthias Kaehlcke <matthias.kaehlcke@xxxxxxxxx>
Cc: Daniel Walker <dwalker@xxxxxxxxxx>
Cc: Greg KH <greg@xxxxxxxxx>
Cc: Ingo Molnar <mingo@xxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---

 drivers/usb/misc/usbtest.c |    2 --
 1 file changed, 2 deletions(-)

diff -puN drivers/usb/misc/usbtest.c~usb-testing-driver-dont-free-a-locked-mutex drivers/usb/misc/usbtest.c
--- a/drivers/usb/misc/usbtest.c~usb-testing-driver-dont-free-a-locked-mutex
+++ a/drivers/usb/misc/usbtest.c
@@ -1991,8 +1991,6 @@ static void usbtest_disconnect (struct u
 {
 	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);
_

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