diff options
Diffstat (limited to 'sys/net/bpf.c')
| -rw-r--r-- | sys/net/bpf.c | 9 |
1 files changed, 6 insertions, 3 deletions
diff --git a/sys/net/bpf.c b/sys/net/bpf.c index 0c37a7a..5b6dd2f 100644 --- a/sys/net/bpf.c +++ b/sys/net/bpf.c @@ -37,7 +37,7 @@ * * @(#)bpf.c 8.2 (Berkeley) 3/28/94 * - * $Id: bpf.c,v 1.47 1999/01/27 22:42:13 dillon Exp $ + * $Id: bpf.c,v 1.48 1999/04/28 01:18:13 msmith Exp $ */ #include "bpfilter.h" @@ -346,6 +346,9 @@ bpfopen(dev, flags, fmt, p) { register struct bpf_d *d; + if (p->p_prison) + return (EPERM); + if (minor(dev) >= NBPFILTER) return (ENXIO); /* @@ -1014,12 +1017,12 @@ bpfpoll(dev, events, p) d = &bpf_dtab[minor(dev)]; s = splimp(); - if (events & (POLLIN | POLLRDNORM)) + if (events & (POLLIN | POLLRDNORM)) { if (d->bd_hlen != 0 || (d->bd_immediate && d->bd_slen != 0)) revents |= events & (POLLIN | POLLRDNORM); else selrecord(p, &d->bd_sel); - + } splx(s); return (revents); } |
