diff options
Diffstat (limited to 'drivers/net/netkit.c')
| -rw-r--r-- | drivers/net/netkit.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/net/netkit.c b/drivers/net/netkit.c index 97bd6705c241..39171380ccf2 100644 --- a/drivers/net/netkit.c +++ b/drivers/net/netkit.c @@ -851,6 +851,12 @@ static int netkit_change_link(struct net_device *dev, struct nlattr *tb[], return -EACCES; } + if (data[IFLA_NETKIT_PEER_INFO]) { + NL_SET_ERR_MSG_ATTR(extack, data[IFLA_NETKIT_PEER_INFO], + "netkit peer info cannot be changed after device creation"); + return -EINVAL; + } + if (data[IFLA_NETKIT_POLICY]) { attr = data[IFLA_NETKIT_POLICY]; policy = nla_get_u32(attr); |