Set an additional flag IFF_NO_ADDRCONF to prevent ipv6 addrconf.
Commit under Fixes added a new flag change that was not made
to hv_netvsc resulting in the VF being assinged an IPv6.
Fixes: 8a321cf7becc ("net: add IFF_NO_ADDRCONF and use it in bonding to prevent
ipv6 addrconf")
Suggested-by: Cathy Avery <[email protected]>
Signed-off-by: Li Tian <[email protected]>
---
v3:
- only fixes commit message.
v2: https://lore.kernel.org/netdev/[email protected]/
- instead of replacing flag, add it.
v1: https://lore.kernel.org/netdev/[email protected]/
---
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
