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| author |   David S. Miller <davem@davemloft.net> | 2020-01-26 10:40:21 +0100 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2020-01-26 10:40:21 +0100 |
| commit | 4d8773b68e83558025303f266070b31bc4101e73 (patch) | |
| tree | 151cafa469fbc6a411d36b58ab802f67869cc0bb /net/core/rtnetlink.c | |
| parent | Merge branch 'mlxsw-Offload-TBF' (diff) | |
| parent | Merge tag 'for-linus' of git://git.armlinux.org.uk/~rmk/linux-arm (diff) | |
| download | linux-dev-4d8773b68e83558025303f266070b31bc4101e73.tar.xz linux-dev-4d8773b68e83558025303f266070b31bc4101e73.zip | |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
Minor conflict in mlx5 because changes happened to code that has
moved meanwhile.
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/core/rtnetlink.c')
| -rw-r--r-- | net/core/rtnetlink.c | 13 |
1 files changed, 11 insertions, 2 deletions
diff --git a/net/core/rtnetlink.c b/net/core/rtnetlink.c index 20bc406f3871..cdad6ed532c4 100644 --- a/net/core/rtnetlink.c +++ b/net/core/rtnetlink.c @@ -3053,8 +3053,17 @@ struct net_device *rtnl_create_link(struct net *net, const char *ifname, dev->rtnl_link_ops = ops; dev->rtnl_link_state = RTNL_LINK_INITIALIZING; - if (tb[IFLA_MTU]) - dev->mtu = nla_get_u32(tb[IFLA_MTU]); + if (tb[IFLA_MTU]) { + u32 mtu = nla_get_u32(tb[IFLA_MTU]); + int err; + + err = dev_validate_mtu(dev, mtu, extack); + if (err) { + free_netdev(dev); + return ERR_PTR(err); + } + dev->mtu = mtu; + } if (tb[IFLA_ADDRESS]) { memcpy(dev->dev_addr, nla_data(tb[IFLA_ADDRESS]), nla_len(tb[IFLA_ADDRESS])); |