for-linus-20181207
Merge branch 'nvme-4.20' of git://git.infradead.org/nvme into for-linus

Pull NVMe fixes from Christoph.

* 'nvme-4.20' of git://git.infradead.org/nvme:
  nvmet-rdma: fix response use after free
  nvme: validate controller state before rescheduling keep alive