[PATCH] CXL: Fix device_node reference counting

[Ian Munsie]

Excerpts from Ian Munsie's message of 2015-01-07 16:41:18 +1100:
> From: Ryan Grimm <grimm at linux.vnet.ibm.com>
> 
> When unbinding and rebinding the driver on a system with a card in PHB0, this
> error condition is reached after a few attempts:

Hey mpe,

I just wanted to check the status of this one? I can't see it in your
tree and wanted to make sure you didn't simply miss it.

Cheers,
-Ian