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 -- To unsubscribe from this list: send the line "unsubscribe kernel-janitors" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html