diff options
| -rw-r--r-- | sys/net/if_tun.c | 10 |
1 files changed, 4 insertions, 6 deletions
diff --git a/sys/net/if_tun.c b/sys/net/if_tun.c index e67a8ada235f..1e6f19b47707 100644 --- a/sys/net/if_tun.c +++ b/sys/net/if_tun.c @@ -572,14 +572,12 @@ tunioctl(dev_t dev, u_long cmd, caddr_t data, int flag, struct proc *p) if (tp->tun_if.if_flags & IFF_UP) return(EBUSY); - switch (*(int *)data) { + switch (*(int *)data & ~IFF_MULTICAST) { case IFF_POINTOPOINT: - tp->tun_if.if_flags |= IFF_POINTOPOINT; - tp->tun_if.if_flags &= ~IFF_BROADCAST; - break; case IFF_BROADCAST: - tp->tun_if.if_flags &= ~IFF_POINTOPOINT; - tp->tun_if.if_flags |= IFF_BROADCAST; + tp->tun_if.if_flags &= + ~(IFF_BROADCAST|IFF_POINTOPOINT|IFF_MULTICAST); + tp->tun_if.if_flags |= *(int *)data; break; default: return(EINVAL); |