I overlooked one. Setting the flag and killing the URBs must be under the lo
so that no URB is submitted after usb_kill_urb()
Adrian Bunk:
Backported to 2.6.16.
Signed-off-by: Oliver Neukum <oliver@neukum.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Signed-off-by: Adrian Bunk <bunk@kernel.org>
usb_deregister_dev(intf, &mdc800_class);
+ /* must be under lock to make sure no URB
+ is submitted after usb_kill_urb() */
+ down (&mdc800->io_lock);
mdc800->state=NOT_CONNECTED;
usb_kill_urb(mdc800->irq_urb);
usb_kill_urb(mdc800->write_urb);
usb_kill_urb(mdc800->download_urb);
+ up (&mdc800->io_lock);
mdc800->dev = NULL;
usb_set_intfdata(intf, NULL);