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hv_netvsc: Fix VF register on vlan devices

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Added a condition to avoid vlan devices with same MAC registering
as VF.

Signed-off-by: Haiyang Zhang <haiyangz@microsoft.com>
Reviewed-by: K. Y. Srinivasan <kys@microsoft.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Haiyang Zhang 2016-06-02 12:02:04 -07:00 committed by David S. Miller
parent db54275dff
commit cb2911fed6
1 changed files with 4 additions and 0 deletions
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4
drivers/net/hyperv/netvsc_drv.c
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@ -1500,6 +1500,10 @@ static int netvsc_netdev_event(struct notifier_block *this,
{
struct net_device *event_dev = netdev_notifier_info_to_dev(ptr);
/* Avoid Vlan dev with same MAC registering as VF */
if (event_dev->priv_flags & IFF_802_1Q_VLAN)
return NOTIFY_DONE;
switch (event) {
case NETDEV_REGISTER:
return netvsc_register_vf(event_dev);