From: Li Tian Date: Wed, 16 Jul 2025 00:26:05 +0000 (+0800) Subject: hv_netvsc: Set VF priv_flags to IFF_NO_ADDRCONF before open to prevent IPv6 addrconf X-Git-Tag: v6.16-rc7~37^2~10 X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=d7501e076d859d2f381d57bd984ff6db13172727;p=thirdparty%2Fkernel%2Flinux.git hv_netvsc: Set VF priv_flags to IFF_NO_ADDRCONF before open to prevent IPv6 addrconf 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 Signed-off-by: Li Tian Reviewed-by: Xin Long Link: https://patch.msgid.link/20250716002607.4927-1-litian@redhat.com Signed-off-by: Jakub Kicinski --- diff --git a/drivers/net/hyperv/netvsc_drv.c b/drivers/net/hyperv/netvsc_drv.c index c41a025c66f05..8be9bce66a4ed 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; }