staging: most: hdm-usb: use defined error codes

This patch replaces return values with defined error codes to indicate
an exception.

Signed-off-by: Christian Gromm <christian.gromm@microchip.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Christian Gromm 2016-09-09 15:25:36 +02:00 • committed by Greg Kroah-Hartman
commit d5cfb0ff2e