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Don't panic if ifpromisc() returnes ENXIO, it's probably just an pccard

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which have been pulled.
This commit is contained in:
Poul-Henning Kamp 2000-06-01 21:57:13 +00:00
parent 855e8bb9ad
commit 6e891d64ed
1 changed files with 7 additions and 2 deletions
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9
sys/net/bpf.c
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@ -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;