vm_utils _check_image_size inconsistant returns

[Aaron Lee]

Two error conditions within _check_image_size will result in it not returning the image_meta. This dict is passed through the mountains and over the river to vmops where it causes issues if it's empty.

[Openstack Gerrit (openstack-gerrit)]

Reviewed: https://review.openstack.org/2228
Committed: http://github.com/openstack/nova/commit/525ff432f8c6584015d0e7255d7b1083e0778e33
Submitter: Jenkins
Branch: master

 status fixcommitted
 done

commit 525ff432f8c6584015d0e7255d7b1083e0778e33
Author: Aaron Lee <email address hidden>
Date: Fri Dec 9 13:06:31 2011 -0600

    _check_image_size returns are consistent

    fixes lp902288

    Change-Id: I5be64b97428c19dcc8fb687cebfbcbd66c7cddb4