diff --git a/drivers/gpu/drm/i915/i915_gem.c b/drivers/gpu/drm/i915/i915_gem.c
index 462a8f2ad3a200be2822662e7bece791f50102d3..a549be5f535bbae674ecfbec996cf6f0fe68100b 100644
--- a/drivers/gpu/drm/i915/i915_gem.c
+++ b/drivers/gpu/drm/i915/i915_gem.c
@@ -1378,6 +1378,8 @@ i915_gem_object_put_pages_gtt(struct drm_i915_gem_object *obj)
 	int page_count = obj->base.size / PAGE_SIZE;
 	int ret, i;
 
+	BUG_ON(obj->gtt_space);
+
 	if (obj->pages == NULL)
 		return 0;
 
@@ -2293,6 +2295,8 @@ i915_gem_object_unbind(struct drm_i915_gem_object *obj)
 	if (obj->pin_count)
 		return -EBUSY;
 
+	BUG_ON(obj->pages == NULL);
+
 	ret = i915_gem_object_finish_gpu(obj);
 	if (ret)
 		return ret;