On Wed, 20 Dec 2006, Oliver Neukum wrote: > The data structure to protect is serial_table. Everything else is > protected by refcounts. Therefore the interesting race is between > open and disconnect. Open is called with BKL (fs/char_dev.c::chrdev_open) > > Now, regarding disconnect. It used to be called with BKL held. I haven't been > able to verify that this is still the case. If not, then there's a race. > > In addition usb_serial_probe() uses get_free_serial() early in the process > before the device is ready. Without BKL, this too, races with open. > > People, do we take BKL in khubd?
Nope. Alan Stern - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
