445 		ds->ds_mbuf = m0;  in sf_start()
683 		m_freem(ds->ds_mbuf);  in sf_txintr()
684 		ds->ds_mbuf = NULL;  in sf_txintr()
769 		m = ds->ds_mbuf;  in sf_rxintr()
806 		memcpy(mtod(m, caddr_t), mtod(ds->ds_mbuf, caddr_t), len);  in sf_rxintr()
975 		if (ds->ds_mbuf == NULL) {  in sf_init()
1131 		if (ds->ds_mbuf != NULL) {  in sf_rxdrain()
1133 			m_freem(ds->ds_mbuf);  in sf_rxdrain()
1134 			ds->ds_mbuf = NULL;  in sf_rxdrain()
1168 		if (ds->ds_mbuf != NULL) {  in sf_stop()
1170 			m_freem(ds->ds_mbuf);  in sf_stop()
1171 			ds->ds_mbuf = NULL;  in sf_stop()
1224 	if (ds->ds_mbuf != NULL)  in sf_add_rxbuf()
1227 	ds->ds_mbuf = m;  in sf_add_rxbuf()