375     MppDevBufMapNode *pos, *n;  in mpp_service_deinit()  local
378     list_for_each_entry_safe(pos, n, &p->list_bufs, MppDevBufMapNode, list_dev) {  in mpp_service_deinit()
379         pthread_mutex_t *lock_buf = pos->lock_buf;  in mpp_service_deinit()
381         mpp_assert(pos->lock_buf && pos->lock_dev);  in mpp_service_deinit()
382         mpp_assert(pos->lock_dev == &p->lock_bufs);  in mpp_service_deinit()
386         list_del_init(&pos->list_dev);  in mpp_service_deinit()
387         list_del_init(&pos->list_buf);  in mpp_service_deinit()
388         pos->lock_buf = NULL;  in mpp_service_deinit()
389         pos->lock_dev = NULL;  in mpp_service_deinit()
390         mpp_service_ioc_detach_fd(pos);  in mpp_service_deinit()
391         mpp_mem_pool_put_f(pos->pool, pos);  in mpp_service_deinit()