[PATCH] nvme: Add error checking in nvme_create_io_queues

[Keith Busch]

On Thu, 24 Sep 2015, Jon Derrick wrote:
> allow nvme_create_io_queues to return an error if the first io queue
> fails to be allocated or initialized

If the driver gets far enough to attempt creating IO queues, the device
can be managed so I don't think we want to error out and bail on the
device in this scenario, even though it is not IO capable.

> Signed-off-by: Jon Derrick <jonathan.derrick at intel.com>
> ---
> drivers/block/nvme-core.c | 20 ++++++++++++++++----
> 1 file changed, 16 insertions(+), 4 deletions(-)