1277 	(d)->bd_hbuf = (d)->bd_sbuf; \
1342 	while (d->bd_hbuf == 0) {  in bpfread()
1396 			if (d->bd_hbuf != NULL) {  in bpfread()
1430 			if (d->bd_hbuf) {  in bpfread()
1459 	hbuf = d->bd_hbuf;  in bpfread()
1562 	d->bd_fbuf = d->bd_hbuf;  in bpfread()
1563 	d->bd_hbuf = NULL;  in bpfread()
1773 	if (d->bd_hbuf) {  in reset_d()
1775 		d->bd_fbuf = d->bd_hbuf;  in reset_d()
1776 		d->bd_hbuf = NULL;  in reset_d()
1908 	ASSERT(d_to->bd_hbuf == NULL);  in bpf_setup()
1919 	if (d_from->bd_hbuf != NULL) {  in bpf_setup()
1920 		d_to->bd_hbuf = d_to->bd_fbuf;  in bpf_setup()
1922 		memcpy(d_to->bd_hbuf, d_from->bd_hbuf, d_from->bd_hlen);  in bpf_setup()
2102 		if (d->bd_hbuf && d->bd_hbuf_read) {  in bpfioctl()
4111 			d->bd_fbuf = d->bd_hbuf;  in catchpacket()
4312 	if (d->bd_hbuf != NULL) {  in bpf_freebufs()
4313 		kfree_data_addr(d->bd_hbuf);  in bpf_freebufs()