[GIT PULL] Two block IO fixes for 3.19

[Jens Axboe]

Hi Linus,

Two small patches that should make it into 3.19:

- A fixup from me for NVMe, making the cq_vector a signed variable.
  Otherwise our -1 comparison fails, and commit 2b25d981790b doesn't do
  what it was supposed to.

- A fixup for the hotplug handling for blk-mq from Ming Lei, using the
  proper kobject referencing to ensure we release resources at the right
  time.

Please pull!

  git://git.kernel.dk/linux-block.git for-linus

----------------------------------------------------------------
Jens Axboe (1):
      NVMe: cq_vector should be signed

Ming Lei (1):
      blk-mq: fix hctx/ctx kobject use-after-free

 block/blk-mq-sysfs.c      | 25 +++++++++++++++++++++++--
 block/blk-mq.c            |  6 +-----
 drivers/block/nvme-core.c |  2 +-
 3 files changed, 25 insertions(+), 8 deletions(-)

-- 
Jens Axboe

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