dlmgmt_process_db_req
if ((err = dlmgmt_process_db_req(req)) != 0) {
err = dlmgmt_process_db_req(req);
if ((err = dlmgmt_process_db_req(req)) != 0 &&
err = dlmgmt_process_db_req(req);
static int dlmgmt_process_db_req(dlmgmt_db_req_t *);