Merge tag 'block-pull-request' of https://gitlab.com/stefanha/qemu into staging

Merge tag 'block-pull-request' of https://gitlab.com/stefanha/qemu into staging

Pull request

Fix for an fd leak in the blkio block driver.

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# gpg: Signature made Thu 03 Aug 2023 08:55:41 AM PDT
# gpg:                using RSA key 8695A8BFD3F97CDAAC35775A9CA4ABB381AB73C8
# gpg: Good signature from "Stefan Hajnoczi <stefanha@redhat.com>" [full]
# gpg:                 aka "Stefan Hajnoczi <stefanha@gmail.com>" [full]

* tag 'block-pull-request' of https://gitlab.com/stefanha/qemu:
  block/blkio: add more comments on the fd passing handling
  block/blkio: close the fd when blkio_connect() fails

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>