diff options
Diffstat (limited to 'sys/net/bpf.c')
| -rw-r--r-- | sys/net/bpf.c | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/sys/net/bpf.c b/sys/net/bpf.c index 6c08190..5fc8262 100644 --- a/sys/net/bpf.c +++ b/sys/net/bpf.c @@ -295,6 +295,7 @@ static void bpf_detachd(d) struct bpf_d *d; { + int error; struct bpf_d **p; struct bpf_if *bp; @@ -305,13 +306,17 @@ bpf_detachd(d) */ if (d->bd_promisc) { d->bd_promisc = 0; - if (ifpromisc(bp->bif_ifp, 0)) + error = ifpromisc(bp->bif_ifp, 0); + if (error != 0 && error != ENXIO) { /* + * ENXIO can happen if a pccard is unplugged * Something is really wrong if we were able to put * the driver into promiscuous mode, but can't * take it out. */ - panic("bpf: ifpromisc failed"); + printf("%s%d: ifpromisc failed %d\n", + bp->bif_ifp->if_name, bp->bif_ifp->if_unit, error); + } } /* Remove d from the interface's descriptor list. */ p = &bp->bif_dlist; |
