diff options
| -rw-r--r-- | net/ipv4/ip_vti.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/net/ipv4/ip_vti.c b/net/ipv4/ip_vti.c index 95b6bb78fcd2..3b80929994a0 100644 --- a/net/ipv4/ip_vti.c +++ b/net/ipv4/ip_vti.c @@ -596,6 +596,9 @@ static int vti_changelink(struct net_device *dev, struct nlattr *tb[], struct ip_tunnel_parm_kern p; __u32 fwmark = t->fwmark; + if (!rtnl_dev_link_net_capable(dev, t->net)) + return -EPERM; + vti_netlink_parms(data, &p, &fwmark); return ip_tunnel_changelink(dev, tb, &p, fwmark); } |