drm/i915: Report resv_obj allocation failure

		list_del(&vma->obj->userfault_link);

}

static void export_fence(struct i915_vma *vma,

			 struct i915_request *rq,

			 unsigned int flags)

{

	struct reservation_object *resv = vma->resv;

	/*

	 * Ignore errors from failing to allocate the new fence, we can't

	 * handle an error right now. Worst case should be missed

	 * synchronisation leading to rendering corruption.

	 */

	if (flags & EXEC_OBJECT_WRITE)

		reservation_object_add_excl_fence(resv, &rq->fence);

	else if (reservation_object_reserve_shared(resv, 1) == 0)

		reservation_object_add_shared_fence(resv, &rq->fence);

}

int i915_vma_move_to_active(struct i915_vma *vma,

			    struct i915_request *rq,

			    unsigned int flags)

	if (unlikely(err))

		return err;

	obj->write_domain = 0;

	if (flags & EXEC_OBJECT_WRITE) {

		obj->write_domain = I915_GEM_DOMAIN_RENDER;

		if (intel_fb_obj_invalidate(obj, ORIGIN_CS))

			__i915_active_request_set(&obj->frontbuffer_write, rq);

		reservation_object_add_excl_fence(vma->resv, &rq->fence);

		obj->write_domain = I915_GEM_DOMAIN_RENDER;

		obj->read_domains = 0;

	} else {

		err = reservation_object_reserve_shared(vma->resv, 1);

		if (unlikely(err))

			return err;

		reservation_object_add_shared_fence(vma->resv, &rq->fence);

		obj->write_domain = 0;

	}

	obj->read_domains |= I915_GEM_GPU_DOMAINS;

	obj->mm.dirty = true;

	if (flags & EXEC_OBJECT_NEEDS_FENCE)

		__i915_active_request_set(&vma->last_fence, rq);

	export_fence(vma, rq, flags);

	GEM_BUG_ON(!i915_vma_is_active(vma));

	return 0;

}