[PATCH v3 0/9] s390/vfio-ap: Fix bugs in vfio_ap device driver callback functions

During review of patches by the Sashiko AI, several pre-existing bugs were
discovered. This 9-patch series fixes those bugs

Change log v2 => v3:
~~~~~~~~~~~~~~~~~~~
Patch 3: Fix use of wrong lock in mdev probe function
Patch 7: Fix required lock not held during display of sysfs status
attribute 
* Squashed these two patches into a new patch entitled "Fix missing lock
  required to access list of ap_matrix_mdev objects"
* Added two new patches that fix pre-existing bugs:
  ~ s390/vfio-ap: Fix NULL deref in status_show() during queue probe
  ~ s390/vfio-ap: Fix memory leak when queue removed from host AP config

Anthony Krowiak (9):
  s390/vfio-ap: Fix stale do_remove flag across iterations in
    vfio_ap_mdev_cfg_remove
  s390/vfio-ap: Fix dereference matrix_mdev->kvm without checking for
    NULL
  s390/vfio-ap: Fix missing lock required to access list of
    ap_matrix_mdev objects
  s390/vfio-ap: Fix required lock not held during update of
    ap_matrix_mdev object
  s390/vfio-ap: Fix control domain removal in vfio_ap_mdev_cfg_remove
  s390/vfio-ap: fix potential use of uninitialized apm_filtered bitmap
  s390/vfio-ap: Fix hot-unplug skipped when last AP adapter or domain
    removed
  s390/vfio-ap: Fix NULL deref in status_show() during queue probe
  s390/vfio-ap: Fix memory leak when queue removed from host AP config

 drivers/s390/crypto/vfio_ap_ops.c | 110 ++++++++++++++++++++----------
 1 file changed, 75 insertions(+), 35 deletions(-)

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2.53.0