Simplify the error handling of nvme_fc_create_hw_io_queues(), this saves us
one variable and one level of indentation.
Signed-off-by: NJohannes Thumshirn <jthumshirn@suse.de>
Reviwed-by: NJames Smart <james.smart@broadcom.com>
Signed-off-by: NChristoph Hellwig <hch@lst.de>