Rohit Yadav b7470bc51c
server: fix NPE for the case where volume is not attached to a VM (#3566)
Fixes NPE when trying to find suitable storage pools for a volume
when the volume is not attached to a VM.

Signed-off-by: Rohit Yadav <rohit.yadav@shapeblue.com>
2019-08-22 16:07:25 +05:30
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