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Linux kernel mirror (for testing) git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
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drm/i915/gvt: Add missing vfio_unregister_group_dev() call

When converting to directly create the vfio_device the mdev driver has to
put a vfio_register_emulated_iommu_dev() in the probe() and a pairing
vfio_unregister_group_dev() in the remove.

This was missed for gvt, add it.

Cc: stable@vger.kernel.org
Fixes: 978cf586ac35 ("drm/i915/gvt: convert to use vfio_register_emulated_iommu_dev")
Reported-by: Alex Williamson <alex.williamson@redhat.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
Reviewed-by: Kevin Tian <kevin.tian@intel.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Link: https://lore.kernel.org/r/0-v1-013609965fe8+9d-vfio_gvt_unregister_jgg@nvidia.com
Signed-off-by: Alex Williamson <alex.williamson@redhat.com>

authored by

Jason Gunthorpe and committed by
Alex Williamson f423fa1b 42e1d1ee

+1
+1
drivers/gpu/drm/i915/gvt/kvmgt.c
··· 1615 1615 if (WARN_ON_ONCE(vgpu->attached)) 1616 1616 return; 1617 1617 1618 + vfio_unregister_group_dev(&vgpu->vfio_device); 1618 1619 vfio_put_device(&vgpu->vfio_device); 1619 1620 } 1620 1621