netvsc: make sure and unregister datapath
Go back to switching datapath directly in the notifier callback. Otherwise datapath might not get switched on unregister. No need for calling the NOTIFY_PEERS notifier since that is only for a gratitious ARP/ND packet; but that is not required with Hyper-V because both VF and synthetic NIC have the same MAC address. Reported-by: NVitaly Kuznetsov <vkuznets@redhat.com> Fixes: 0c195567 ("netvsc: transparent VF management") Signed-off-by: NStephen Hemminger <sthemmin@microsoft.com> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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