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hv_netvsc: Set VF priv_flags to IFF_NO_ADDRCONF before open to prevent IPv6 addrconf

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[ Upstream commit d7501e076d ]

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: 8a321cf7be ("net: add IFF_NO_ADDRCONF and use it in bonding to prevent ipv6 addrconf")
Suggested-by: Cathy Avery <cavery@redhat.com>
Signed-off-by: Li Tian <litian@redhat.com>
Reviewed-by: Xin Long <lucien.xin@gmail.com>
Link: https://patch.msgid.link/20250716002607.4927-1-litian@redhat.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Li Tian
2025-07-24 08:53:19 +02:00
committed by Greg Kroah-Hartman
parent bd3051a816
commit 007142a263
1 changed files with 4 additions and 1 deletions
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drivers/net/hyperv/netvsc_drv.c
+4 -1
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@@ -2313,8 +2313,11 @@ 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;
}