On Wed, 14 Nov 2012 13:11:18 +0530 Kumar Amit Mehta <gmate.amit@xxxxxxxxx> wrote: > Inspect the return value of get_user() and return -EFAULT on error. You cam just delete all the TIOCSOFTCAR nonsense. That ioctl is handled correctly by the core tty layer code rather than incorrectly by the dgrp driver. Alan _______________________________________________ devel mailing list devel@xxxxxxxxxxxxxxxxxxxxxx http://driverdev.linuxdriverproject.org/mailman/listinfo/devel