We need to set the NO_EVICT flag on the ghost object or otherwise we are
adding it to the LRU.

When it is added to the LRU we can run into a race between destroying
and evicting it again.

Signed-off-by: Christian König <christian.koe...@amd.com>
---
 drivers/gpu/drm/ttm/ttm_bo_util.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/ttm/ttm_bo_util.c 
b/drivers/gpu/drm/ttm/ttm_bo_util.c
index ba80150d1052..895d77d799e4 100644
--- a/drivers/gpu/drm/ttm/ttm_bo_util.c
+++ b/drivers/gpu/drm/ttm/ttm_bo_util.c
@@ -492,8 +492,10 @@ static int ttm_buffer_object_transfer(struct 
ttm_buffer_object *bo,
        if (!fbo)
                return -ENOMEM;
 
-       ttm_bo_get(bo);
        fbo->base = *bo;
+       fbo->base.mem.placement |= TTM_PL_FLAG_NO_EVICT;
+
+       ttm_bo_get(bo);
        fbo->bo = bo;
 
        /**
-- 
2.14.1

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