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| author |   Menglong Dong <dong.menglong@zte.com.cn> | 2021-01-17 16:09:50 +0800 |
|---|---|---|
| committer |   Jakub Kicinski <kuba@kernel.org> | 2021-01-18 14:27:33 -0800 |
| commit | a98c0c47420412ef94d6f45f9ae607258929aa10 (patch) | |
| tree | 61770e8c5befaf4ecc6aa0f2e556e05e6485b7be /net/bridge/br_netlink.c | |
| parent | Merge branch 'net-ipa-interconnect-improvements' (diff) | |
| download | linux-dev-a98c0c47420412ef94d6f45f9ae607258929aa10.tar.xz linux-dev-a98c0c47420412ef94d6f45f9ae607258929aa10.zip | |
net: bridge: check vlan with eth_type_vlan() method
Replace some checks for ETH_P_8021Q and ETH_P_8021AD with
eth_type_vlan().
Signed-off-by: Menglong Dong <dong.menglong@zte.com.cn>
Acked-by: Nikolay Aleksandrov <nikolay@nvidia.com>
Link: https://lore.kernel.org/r/20210117080950.122761-1-dong.menglong@zte.com.cn
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Diffstat (limited to '')
| -rw-r--r-- | net/bridge/br_netlink.c | 12 |
1 files changed, 3 insertions, 9 deletions
diff --git a/net/bridge/br_netlink.c b/net/bridge/br_netlink.c index 49700ce0e919..762f273802cd 100644 --- a/net/bridge/br_netlink.c +++ b/net/bridge/br_netlink.c @@ -1096,15 +1096,9 @@ static int br_validate(struct nlattr *tb[], struct nlattr *data[], return 0; #ifdef CONFIG_BRIDGE_VLAN_FILTERING - if (data[IFLA_BR_VLAN_PROTOCOL]) { - switch (nla_get_be16(data[IFLA_BR_VLAN_PROTOCOL])) { - case htons(ETH_P_8021Q): - case htons(ETH_P_8021AD): - break; - default: - return -EPROTONOSUPPORT; - } - } + if (data[IFLA_BR_VLAN_PROTOCOL] && + !eth_type_vlan(nla_get_be16(data[IFLA_BR_VLAN_PROTOCOL]))) + return -EPROTONOSUPPORT; if (data[IFLA_BR_VLAN_DEFAULT_PVID]) { __u16 defpvid = nla_get_u16(data[IFLA_BR_VLAN_DEFAULT_PVID]); |