ref: 1fcc84d072c40cbd7ed58d164ed17e0b7989dc11
parent: 8db5af02d80f906e5bb81db43b010ace1e03f2d1
author: cinap_lenrek <cinap_lenrek@felloff.net>
date: Wed Jul 22 15:17:10 EDT 2015
kernel: cleanup chan.c to consistenly use nil instead of 0 for pointers