diff options
Diffstat (limited to 'net/ipv6/sit.c')
| -rw-r--r-- | net/ipv6/sit.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/net/ipv6/sit.c b/net/ipv6/sit.c index b41e231a669b..34db8b886bd2 100644 --- a/net/ipv6/sit.c +++ b/net/ipv6/sit.c @@ -1611,6 +1611,9 @@ static int ipip6_changelink(struct net_device *dev, struct nlattr *tb[], __u32 fwmark = t->fwmark; int err; + if (!rtnl_dev_link_net_capable(dev, net)) + return -EPERM; + if (dev == sitn->fb_tunnel_dev) return -EINVAL; |