RCU_INIT_POINTER
RCU_INIT_POINTER(*ptr, NULL);
RCU_INIT_POINTER(active->request, NULL);
RCU_INIT_POINTER(active->request, NULL);
RCU_INIT_POINTER(active->request, NULL);
RCU_INIT_POINTER(obj->fence, NULL);
RCU_INIT_POINTER(obj->fence_excl, NULL);
RCU_INIT_POINTER(fobj->shared[i], fence);
RCU_INIT_POINTER(fobj->shared[fobj->shared_count], fence);
RCU_INIT_POINTER(fobj->shared[0], fence);
RCU_INIT_POINTER(fobj->shared[i], fence);
RCU_INIT_POINTER(fobj->shared[i], check);
RCU_INIT_POINTER(fobj->shared[fobj->shared_count], fence);
RCU_INIT_POINTER(obj->fence, fobj);
RCU_INIT_POINTER(obj->fence_excl, fence);
RCU_INIT_POINTER(dst->fence_excl, new);
RCU_INIT_POINTER(dst->fence, dst_list);