staging: unisys: remove channel.h double negative comparison

This patch removes the double negative comparisons for function
readb.

Signed-off-by: Erik Arfvidson <erik.arfvidson@unisys.com>
Signed-off-by: David Kershner <david.kershner@unisys.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Erik Arfvidson 2016-03-24 09:18:09 -04:00 • committed by Greg Kroah-Hartman
commit 800aecc30b