[PATCH] nvme-fabrics: fix crash for no IO queues

[James Smart]

> 
> One more question: if the controller is in such a bad way that it will
> never create IO queues without additional intervention, will this
> behavior have the driver schedule reconnect indefinitely?
> 

No.. in fabrics, there is a max controller reconnect timeout that will 
expire (dflt 600s), stop the reconnect attempts and delete the controller.

-- james