diff options
Diffstat (limited to 'sys/net/if_tun.c')
| -rw-r--r-- | sys/net/if_tun.c | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/sys/net/if_tun.c b/sys/net/if_tun.c index 52735afb7a6..98572336439 100644 --- a/sys/net/if_tun.c +++ b/sys/net/if_tun.c @@ -1,4 +1,4 @@ -/* $OpenBSD: if_tun.c,v 1.228 2020/12/25 12:59:53 visa Exp $ */ +/* $OpenBSD: if_tun.c,v 1.229 2021/01/19 19:39:58 mvs Exp $ */ /* $NetBSD: if_tun.c,v 1.24 1996/05/07 02:40:48 thorpej Exp $ */ /* @@ -378,7 +378,7 @@ tun_dev_open(dev_t dev, const struct if_clone *ifc, int mode, struct proc *p) rdomain = rtable_l2(p->p_p->ps_rtableid); /* let's find or make an interface to work with */ - while ((ifp = ifunit(name)) == NULL) { + while ((ifp = if_unit(name)) == NULL) { error = if_clone_create(name, rdomain); switch (error) { case 0: /* it's probably ours */ @@ -397,12 +397,14 @@ tun_dev_open(dev_t dev, const struct if_clone *ifc, int mode, struct proc *p) error = tsleep_nsec(sc, PCATCH, "tuninit", INFSLP); if (error != 0) { /* XXX if_clone_destroy if stayup? */ + if_put(ifp); return (error); } } if (sc->sc_dev != 0) { /* aww, we lost */ + if_put(ifp); return (EBUSY); } /* it's ours now */ @@ -411,6 +413,7 @@ tun_dev_open(dev_t dev, const struct if_clone *ifc, int mode, struct proc *p) /* automatically mark the interface running on open */ SET(ifp->if_flags, IFF_UP | IFF_RUNNING); + if_put(ifp); tun_link_state(sc, LINK_STATE_FULL_DUPLEX); return (0); |