1079 	(d)->bd_hbuf = (d)->bd_sbuf; \
1144 	while (d->bd_hbuf == 0) {  in bpfread()
1198 			if (d->bd_hbuf != NULL) {  in bpfread()
1232 			if (d->bd_hbuf) {  in bpfread()
1261 	hbuf = d->bd_hbuf;  in bpfread()
1363 	d->bd_fbuf = d->bd_hbuf;  in bpfread()
1364 	d->bd_hbuf = NULL;  in bpfread()
1562 	if (d->bd_hbuf) {  in reset_d()
1564 		d->bd_fbuf = d->bd_hbuf;  in reset_d()
1565 		d->bd_hbuf = NULL;  in reset_d()
1697 	ASSERT(d_to->bd_hbuf == NULL);  in bpf_setup()
1708 	if (d_from->bd_hbuf != NULL) {  in bpf_setup()
1709 		d_to->bd_hbuf = d_to->bd_fbuf;  in bpf_setup()
1711 		memcpy(d_to->bd_hbuf, d_from->bd_hbuf, d_from->bd_hlen);  in bpf_setup()
1891 		if (d->bd_hbuf && d->bd_hbuf_read) {  in bpfioctl()
3762 			d->bd_fbuf = d->bd_hbuf;  in catchpacket()
3951 	if (d->bd_hbuf != NULL) {  in bpf_freebufs()
3952 		kfree_data_addr(d->bd_hbuf);  in bpf_freebufs()