while proc_create fails, the register_proc_table can do a derefernce of the null pointer causing to oops the system, instead check for a valid pointer at register and unregister Signed-off-by: Devendra Naga <devendra.aaru@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
The user space code to work with this driver is located at https://github.com/wfp5p/dgrp-utils