Avoid dereferencing struct drm_gem_object.import_attach for the
imported dma-buf. The dma_buf field in the GEM object instance refers
to the same buffer. Prepares to make import_attach optional.

Signed-off-by: Thomas Zimmermann <[email protected]>
---
 drivers/gpu/drm/virtio/virtgpu_prime.c | 5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)

diff --git a/drivers/gpu/drm/virtio/virtgpu_prime.c 
b/drivers/gpu/drm/virtio/virtgpu_prime.c
index ce49282198cb..1118a0250279 100644
--- a/drivers/gpu/drm/virtio/virtgpu_prime.c
+++ b/drivers/gpu/drm/virtio/virtgpu_prime.c
@@ -204,16 +204,15 @@ static void virtgpu_dma_buf_free_obj(struct 
drm_gem_object *obj)
 {
        struct virtio_gpu_object *bo = gem_to_virtio_gpu_obj(obj);
        struct virtio_gpu_device *vgdev = obj->dev->dev_private;
-       struct dma_buf_attachment *attach = obj->import_attach;
 
        if (drm_gem_is_imported(obj)) {
-               struct dma_buf *dmabuf = attach->dmabuf;
+               struct dma_buf *dmabuf = obj->dma_buf;
 
                dma_resv_lock(dmabuf->resv, NULL);
                virtgpu_dma_buf_unmap(bo);
                dma_resv_unlock(dmabuf->resv);
 
-               dma_buf_detach(dmabuf, attach);
+               dma_buf_detach(dmabuf, obj->import_attach);
                dma_buf_put(dmabuf);
        }
 
-- 
2.49.0


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