964 	while (d->bd_hbuf == NULL) {  in bpfread()
1008 			if (d->bd_hbuf)  in bpfread()
1038 	error = bpf_uiomove(d, d->bd_hbuf, d->bd_hlen, uio);  in bpfread()
1041 	KASSERT(d->bd_hbuf != NULL, ("bpfread: lost bd_hbuf"));  in bpfread()
1042 	d->bd_fbuf = d->bd_hbuf;  in bpfread()
1043 	d->bd_hbuf = NULL;  in bpfread()
1212 	if ((d->bd_hbuf != NULL) &&  in reset_d()
1215 		d->bd_fbuf = d->bd_hbuf;  in reset_d()
1216 		d->bd_hbuf = NULL;  in reset_d()
1354 			if (d->bd_hbuf)  in bpfioctl()
1788 		if (d->bd_sbuf != NULL || d->bd_hbuf != NULL ||  in bpfioctl()
2068 		if (!d->bd_hbuf_in_use && d->bd_hbuf)  in filt_bpfread()
2401 		d->bd_fbuf = d->bd_hbuf;  in catchpacket()
2402 		d->bd_hbuf = NULL;  in catchpacket()