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path: root/net/8021q/vlan_netlink.c
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Diffstat (limited to 'net/8021q/vlan_netlink.c')
-rw-r--r--net/8021q/vlan_netlink.c7
1 files changed, 7 insertions, 0 deletions
diff --git a/net/8021q/vlan_netlink.c b/net/8021q/vlan_netlink.c
index 844c7e43d0f..6cdd1e015e2 100644
--- a/net/8021q/vlan_netlink.c
+++ b/net/8021q/vlan_netlink.c
@@ -41,6 +41,13 @@ static int vlan_validate(struct nlattr *tb[], struct nlattr *data[])
u16 id;
int err;
+ if (tb[IFLA_ADDRESS]) {
+ if (nla_len(tb[IFLA_ADDRESS]) != ETH_ALEN)
+ return -EINVAL;
+ if (!is_valid_ether_addr(nla_data(tb[IFLA_ADDRESS])))
+ return -EADDRNOTAVAIL;
+ }
+
if (!data)
return -EINVAL;