[Bug 1426324] Re: VFS blkid calls need to handle 0 or 2 return codes

[OpenStack Infra]

Reviewed:  https://review.openstack.org/182716
Committed: https://git.openstack.org/cgit/openstack/nova/commit/?id=1b941f1d61ed830cc43aa99b105a1c5629ceab42
Submitter: Jenkins
Branch:    stable/kilo

commit 1b941f1d61ed830cc43aa99b105a1c5629ceab42
Author: James Page <james.page at ubuntu.com>
Date:   Fri Feb 27 11:27:30 2015 +0000

    Handle return code 2 from blkid calls
    
    blkid returns code 2 if the requested TYPE key is not found
    for the specified device.
    
    Ensure that this situation is handled correctly; blkid will
    not return any data, so the return value will be empty.
    
    Change-Id: I38cd7b53cdfd694c0eba1b6054d8e4c33759b0b8
    Closes-Bug: #1426324
    (cherry picked from commit 051fced477cdead4e307c23fc343da427beb6c81)


** Tags added: in-stable-kilo

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Title:
  VFS blkid calls need to handle 0 or 2 return codes

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