From 7e03b124065507e72008ef294c30001eca74a031 Mon Sep 17 00:00:00 2001
From: Keith Busch <keith.busch@intel.com>
Date: Mon, 29 Jul 2013 16:20:56 -0600
Subject: [PATCH] NVMe: Bring up cdev on set feature failure

This patch creates the character device as long as a device's admin queues
are usable so a user has an opprotunity to perform administration tasks.
A device may be in a state that does not allow IO and setting the queue
count feature in such a state returns an error. Previously the driver
would bail and the controller would be unusable.

Signed-off-by: Keith Busch <keith.busch@intel.com>
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