diff options
Diffstat (limited to 'net/core')
| -rw-r--r-- | net/core/dev.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/net/core/dev.c b/net/core/dev.c index b2c1869b04e3..f87bedd51eed 100644 --- a/net/core/dev.c +++ b/net/core/dev.c @@ -5392,6 +5392,11 @@ int dev_set_mtu(struct net_device *dev, int new_mtu) if (!netif_device_present(dev)) return -ENODEV; + err = call_netdevice_notifiers(NETDEV_PRECHANGEMTU, dev); + err = notifier_to_errno(err); + if (err) + return err; + orig_mtu = dev->mtu; err = __dev_set_mtu(dev, new_mtu); |