[PATCH 2/2] NVMe: NULL pointer check for admin queues

[Christoph Hellwig]

On Thu, Feb 11, 2016 at 04:00:26PM -0700, Keith Busch wrote:
> Admin commands don't have a namespace, so don't check the state when
> there isn't one.
> 
> An admin command that does happen to make it to a disabled queue can
> failed immediatly: Initialization commands should not be requeued
> across resets as they would mess up the controller if/when it is
> reinitialized. If a user command made hits this condition, it should
> be able to handle this error as that's the existing result for commands
> when the controller is reset with outstanding admin commands.

Looks fine, but I'd say fold this directly into the respin of the patch
introducing the check.