Commit 73a88e4c authored by Christian König's avatar Christian König
Browse files

drm/ttm: fix busy reference in ttm_mem_evict_first 



The busy BO might actually be already deleted,
so grab only a list reference.

Signed-off-by: default avatarChristian König <christian.koenig@amd.com>
Reviewed-by: default avatarThomas Hellström <thellstrom@vmware.com>
Link: https://patchwork.freedesktop.org/patch/332877/
parent 78e31c42

drivers/gpu/drm/ttm/ttm_bo.c

+2 −2
Original line number Diff line number Diff line
@@ -878,11 +878,11 @@ static int ttm_mem_evict_first(struct ttm_bo_device *bdev, 


	if (!bo) {

		if (busy_bo)

			ttm_bo_get(busy_bo);

			kref_get(&busy_bo->list_kref);

		spin_unlock(&glob->lru_lock);

		ret = ttm_mem_evict_wait_busy(busy_bo, ctx, ticket);

		if (busy_bo)

			ttm_bo_put(busy_bo);

			kref_put(&busy_bo->list_kref, ttm_bo_release_list);

		return ret;

	}

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