Comment 2 for bug 1775518

Reviewed: https://review.openstack.org/573099
Committed: https://git.openstack.org/cgit/openstack/cinder/commit/?id=2ecfd6144ba79334740407241c8fa5d7ad928840
Submitter: Zuul
Branch: master

commit 2ecfd6144ba79334740407241c8fa5d7ad928840
Author: Yong Huang <email address hidden>
Date: Thu Jun 7 14:39:13 2018 +0800

    Empty option value maybe cause Unity driver failed to initialize

    If the value of list type option is empty, Unity driver may failed to
    initialize.

    Example:
    unity_io_ports=
    unity_storage_pool_names=

    Change-Id: Ib5850d984bfd3651d308f448993251e9ec5a9460
    Closes-bug: #1775518