On Sat, Aug 09, 2014 at 02:36:44PM +0900, Daeseok Youn wrote: > dgap_major_serial_registered and dgap_major_transparent_print_registered > could be checked whether a board is initialized. > But it doesn't need to check that variables becasue dgap module > isn't calling the dgap_cleanup_tty() without initializing > for a board completely. I don't understand. What about the call to dgap_cleanup_module() in dgap_init_module()? regards, dan carpenter _______________________________________________ devel mailing list devel@xxxxxxxxxxxxxxxxxxxxxx http://driverdev.linuxdriverproject.org/mailman/listinfo/driverdev-devel