[PATCH 7/9] drm/i915/gvt: Delete kvmgt_vdev::vfio_group

[Jason Gunthorpe <jgg@nvidia.com>]

Nothing references this struct member any more, delete it completely.

Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
---
 drivers/gpu/drm/i915/gvt/kvmgt.c | 17 +----------------
 1 file changed, 1 insertion(+), 16 deletions(-)

diff --git a/drivers/gpu/drm/i915/gvt/kvmgt.c b/drivers/gpu/drm/i915/gvt/kvmgt.c
index d7c22a2601f3ad..b15dbe9ecd7e15 100644
--- a/drivers/gpu/drm/i915/gvt/kvmgt.c
+++ b/drivers/gpu/drm/i915/gvt/kvmgt.c
@@ -133,7 +133,6 @@ struct kvmgt_vdev {
 	struct work_struct release_work;
 	atomic_t released;
 	struct vfio_device *vfio_device;
-	struct vfio_group *vfio_group;
 };
 
 static inline struct kvmgt_vdev *kvmgt_vdev(struct intel_vgpu *vgpu)
@@ -911,7 +910,6 @@ static int intel_vgpu_open_device(struct mdev_device *mdev)
 	struct kvmgt_vdev *vdev = kvmgt_vdev(vgpu);
 	unsigned long events;
 	int ret;
-	struct vfio_group *vfio_group;
 
 	vdev->iommu_notifier.notifier_call = intel_vgpu_iommu_notifier;
 	vdev->group_notifier.notifier_call = intel_vgpu_group_notifier;
@@ -934,20 +932,12 @@ static int intel_vgpu_open_device(struct mdev_device *mdev)
 		goto undo_iommu;
 	}
 
-	vfio_group = vfio_group_get_external_user_from_dev(mdev_dev(mdev));
-	if (IS_ERR_OR_NULL(vfio_group)) {
-		ret = !vfio_group ? -EFAULT : PTR_ERR(vfio_group);
-		gvt_vgpu_err("vfio_group_get_external_user_from_dev failed\n");
-		goto undo_register;
-	}
-	vdev->vfio_group = vfio_group;
-
 	/* Take a module reference as mdev core doesn't take
 	 * a reference for vendor driver.
 	 */
 	if (!try_module_get(THIS_MODULE)) {
 		ret = -ENODEV;
-		goto undo_group;
+		goto undo_register;
 	}
 
 	ret = kvmgt_guest_init(mdev);
@@ -962,10 +952,6 @@ static int intel_vgpu_open_device(struct mdev_device *mdev)
 undo_module_get:
 	module_put(THIS_MODULE);
 
-undo_group:
-	vfio_group_put_external_user(vdev->vfio_group);
-	vdev->vfio_group = NULL;
-
 undo_register:
 	vfio_unregister_notifier(vfio_dev, VFIO_GROUP_NOTIFY,
 					&vdev->group_notifier);
@@ -1023,7 +1009,6 @@ static void __intel_vgpu_release(struct intel_vgpu *vgpu)
 	kvmgt_guest_exit(info);
 
 	intel_vgpu_release_msi_eventfd_ctx(vgpu);
-	vfio_group_put_external_user(vdev->vfio_group);
 
 	vdev->kvm = NULL;
 	vgpu->handle = 0;
-- 
2.35.1