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 ------------------------------------------------------------------------- Take Surveys. Earn Cash. Influence the Future of IT Join SourceForge.net's Techsay panel and you'll get the chance to share your opinions on IT & business topics through brief surveys - and earn cash http://www.techsay.com/default.php?page=join.php&p=sourceforge&CID=DEVDEV _______________________________________________ linux-usb-devel@lists.sourceforge.net To unsubscribe, use the last form field at: https://lists.sourceforge.net/lists/listinfo/linux-usb-devel
