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    SubjectRe: [PATCH 4/4] venet-macvlan: add new driver to connect a venet to a macvlan netdevice
    Patrick Mullaney wrote:
    > This driver implements a macvlan device as a venet device that can
    > be connected to vbus. Since it is a macvlan device, it provides
    > a more direct path to the underlying adapter by avoiding the
    > bridge.

    > --- /dev/null
    > +++ b/kernel/vbus/devices/venet/macvlan.c
    > ...
    > +struct venetmacv {
    > + struct macvlan_dev mdev;
    > + unsigned char ll_ifname[IFNAMSIZ];
    > + struct venetdev dev;
    > + const struct net_device_ops *macvlan_netdev_ops;
    > +};

    macvlan might destroy the device below you when the underlying
    device is unregistered. You need to handle this by releasing
    the venetmacv device. Check out the NETDEV_UNREGISTER case in
    macvlan_device_event().


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