Keith Busch 7e03b12406 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>
2013-09-03 16:32:26 -04:00
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