On Fri, Jun 03, 2005 at 11:20:33AM +0800, Enzo Chen (?????h) wrote: > Hi all, > > Recently, we are developing USB driver for our products, and we found the > "usb_unlink_urb" function not work. > > The S/W platform is Fedora Core 2 with kernel version 2.6.5-1, when we open > our USB device node, we submit the read_urb, > and it is expected to be unlinked when the user program close USB device. > But the "usb_unlink_urb" seems blocked when close function excuting, and > released on the next time the USB device plug-in. > (when un-plug and then plug-in the device again)
Hm, have a pointer to your code so we can see what is going on? > Is this a bug in linux kernel under version 2.6.9 ? or something wrong in our > driver ? how could we fix this? Does it work on 2.6.12-rc5? 2.6.11? Remember, Fedora Core 2 isn't even supported by Red Hat anymore, that kernel is quite old :) thanks, greg k-h ------------------------------------------------------- This SF.Net email is sponsored by Yahoo. Introducing Yahoo! Search Developer Network - Create apps using Yahoo! Search APIs Find out how you can build Yahoo! directly into your own Applications - visit http://developer.yahoo.net/?fr=offad-ysdn-ostg-q22005 _______________________________________________ linux-usb-devel@lists.sourceforge.net To unsubscribe, use the last form field at: https://lists.sourceforge.net/lists/listinfo/linux-usb-devel