diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/net/ipvlan/ipvlan_main.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/net/ipvlan/ipvlan_main.c b/drivers/net/ipvlan/ipvlan_main.c index feb185389a87..a66ff8197008 100644 --- a/drivers/net/ipvlan/ipvlan_main.c +++ b/drivers/net/ipvlan/ipvlan_main.c @@ -38,6 +38,12 @@ static int ipvlan_port_create(struct net_device *dev) netdev_err(dev, "Master is either lo or non-ether device\n"); return -EINVAL; } + + if (netif_is_macvlan_port(dev)) { + netdev_err(dev, "Master is a macvlan port.\n"); + return -EBUSY; + } + port = kzalloc(sizeof(struct ipvl_port), GFP_KERNEL); if (!port) return -ENOMEM; |