greybus: vibrator: add missing protocol-register error handling

Add missing error handling when registering the vibrator protocol during
module init.

Signed-off-by: Johan Hovold <johan@hovoldconsulting.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>
This commit is contained in:
Johan Hovold 2015-10-13 19:10:27 +02:00 • committed by Greg Kroah-Hartman
commit d4efa68803