1001 	(d)->bd_hbuf = (d)->bd_sbuf; \
1062 	while (d->bd_hbuf == 0) {  in bpfread()
1116 			if (d->bd_hbuf != NULL) {  in bpfread()
1150 			if (d->bd_hbuf) {  in bpfread()
1179 	hbuf = d->bd_hbuf;  in bpfread()
1263 	d->bd_fbuf = d->bd_hbuf;  in bpfread()
1264 	d->bd_hbuf = NULL;  in bpfread()
1447 	if (d->bd_hbuf) {  in reset_d()
1449 		d->bd_fbuf = d->bd_hbuf;  in reset_d()
1450 		d->bd_hbuf = NULL;  in reset_d()
1569 	ASSERT(d_to->bd_hbuf == NULL);  in bpf_setup()
1580 	if (d_from->bd_hbuf != NULL) {  in bpf_setup()
1581 		d_to->bd_hbuf = d_to->bd_fbuf;  in bpf_setup()
1583 		memcpy(d_to->bd_hbuf, d_from->bd_hbuf, d_from->bd_hlen);  in bpf_setup()
1668 		if (d->bd_hbuf && d->bd_hbuf_read == 0) {  in bpfioctl()
3434 			d->bd_fbuf = d->bd_hbuf;  in catchpacket()
3558 	if (d->bd_hbuf != NULL) {  in bpf_allocbufs()
3559 		kfree_data_addr(d->bd_hbuf);  in bpf_allocbufs()
3560 		d->bd_hbuf = NULL;  in bpf_allocbufs()
3603 		if (d->bd_hbuf != 0) {  in bpf_freed()
3604 			kfree_data_addr(d->bd_hbuf);  in bpf_freed()