diff options
| author | David S. Miller <davem@davemloft.net> | 2016-07-23 19:31:37 -0400 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2016-07-24 00:53:32 -0400 |
| commit | de0ba9a0d8909996f9e293d311c2cc459fa77d67 (patch) | |
| tree | 199214afc477824bf431d11d08834ff7555c994b /net/8021q/vlan_netlink.c | |
| parent | d95a93a9b71677a43f967a1b7986decab84b7765 (diff) | |
| parent | 107df03203bb66de56e2caec3bde6d22b55480c5 (diff) | |
| download | linux-de0ba9a0d8909996f9e293d311c2cc459fa77d67.tar.gz | |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
Just several instances of overlapping changes.
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/8021q/vlan_netlink.c')
| -rw-r--r-- | net/8021q/vlan_netlink.c | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/net/8021q/vlan_netlink.c b/net/8021q/vlan_netlink.c index c92b52f37d38..1270207f3d7c 100644 --- a/net/8021q/vlan_netlink.c +++ b/net/8021q/vlan_netlink.c @@ -118,6 +118,7 @@ static int vlan_newlink(struct net *src_net, struct net_device *dev, { struct vlan_dev_priv *vlan = vlan_dev_priv(dev); struct net_device *real_dev; + unsigned int max_mtu; __be16 proto; int err; @@ -144,9 +145,11 @@ static int vlan_newlink(struct net *src_net, struct net_device *dev, if (err < 0) return err; + max_mtu = netif_reduces_vlan_mtu(real_dev) ? real_dev->mtu - VLAN_HLEN : + real_dev->mtu; if (!tb[IFLA_MTU]) - dev->mtu = real_dev->mtu; - else if (dev->mtu > real_dev->mtu) + dev->mtu = max_mtu; + else if (dev->mtu > max_mtu) return -EINVAL; err = vlan_changelink(dev, tb, data); |