iop_post
if ((rv = iop_post(sc, mb)) != 0)
if ((rv = iop_post(sc, (u_int32_t *)&mf)))
if ((rv = iop_post(sc, mb)) != 0)
return (iop_post(sc, (u_int32_t *)&mf));
if ((rv = iop_post(sc, (u_int32_t *)&mf)) != 0)
int iop_post(struct iop_softc *, u_int32_t *);
if ((rv = iop_post(iop, mb)) != 0) {