Hi,
is this really needed ?
case USBDEVFS_DISCONNECT:
driver = ifp->driver;
if (driver) {
down (&driver->serialize);
dbg ("disconnect '%s' from dev %d interface %d",
driver->name, ps->dev->devnum, ctrl.ifno);
driver->disconnect (ps->dev, ifp->private_data);
usb_driver_release_interface (driver, ifp);
up (&driver->serialize);
} else
retval = -EINVAL;
break;
The race is there by design. You cannot guarantee that a
device will still be unbound.
Regards
Oliver
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