[PATCH] drm/i915/gvt: Add missing vfio_unregister_group_dev() call

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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@xxxxxxxxxxxxxxx
Fixes: 978cf586ac35 ("drm/i915/gvt: convert to use vfio_register_emulated_iommu_dev")
Reported-by: Alex Williamson <alex.williamson@xxxxxxxxxx>
Signed-off-by: Jason Gunthorpe <jgg@xxxxxxxxxx>
---
 drivers/gpu/drm/i915/gvt/kvmgt.c | 1 +
 1 file changed, 1 insertion(+)

Should go through Alex's tree.

diff --git a/drivers/gpu/drm/i915/gvt/kvmgt.c b/drivers/gpu/drm/i915/gvt/kvmgt.c
index 41bba40feef8f4..9003145adb5a93 100644
--- a/drivers/gpu/drm/i915/gvt/kvmgt.c
+++ b/drivers/gpu/drm/i915/gvt/kvmgt.c
@@ -1615,6 +1615,7 @@ static void intel_vgpu_remove(struct mdev_device *mdev)
 	if (WARN_ON_ONCE(vgpu->attached))
 		return;
 
+	vfio_unregister_group_dev(&vgpu->vfio_device);
 	vfio_put_device(&vgpu->vfio_device);
 }
 

base-commit: c72e0034e6d4c36322d958b997d11d2627c6056c
-- 
2.37.3




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