[PATCH v2] hv_netvsc: Set VF priv_flags to IFF_NO_ADDRCONF before open to prevent IPv6 addrconf

[Li Tian]

Set an additional flag IFF_NO_ADDRCONF to prevent ipv6 addrconf.

Commit 8a321cf7becc6c065ae595b837b826a2a81036b9
("net: add IFF_NO_ADDRCONF and use it in bonding to prevent ipv6 addrconf")

This new flag change was not made to hv_netvsc resulting in the VF being
assinged an IPv6.

Suggested-by: Cathy Avery <cav...@redhat.com>

Signed-off-by: Li Tian <lit...@redhat.com>
---
 drivers/net/hyperv/netvsc_drv.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/drivers/net/hyperv/netvsc_drv.c b/drivers/net/hyperv/netvsc_drv.c
index c41a025c66f0..8be9bce66a4e 100644
--- a/drivers/net/hyperv/netvsc_drv.c
+++ b/drivers/net/hyperv/netvsc_drv.c
@@ -2317,8 +2317,11 @@ static int netvsc_prepare_bonding(struct net_device 
*vf_netdev)
        if (!ndev)
                return NOTIFY_DONE;
 
-       /* set slave flag before open to prevent IPv6 addrconf */
+       /* Set slave flag and no addrconf flag before open
+        * to prevent IPv6 addrconf.
+        */
        vf_netdev->flags |= IFF_SLAVE;
+       vf_netdev->priv_flags |= IFF_NO_ADDRCONF;
        return NOTIFY_DONE;
 }
 
-- 
2.50.0