Re: [PATCH net-next v9 04/11] ieee802154: 6lowpan: Validate link netns in newlink() of rtnl_link_ops
Kuniyuki Iwashima <[email protected]>
| Newsgroups | gmane.linux.network.bridge,gmane.org.freifunk.batman,gmane.linux.kernel.bpf,gmane.linux.can,gmane.linux.kernel,gmane.linux.ppp,gmane.linux.drivers.rdma,gmane.linux.kernel.wireless.general,gmane.linux.network,gmane.network.wireguard |
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| Message-ID | <[email protected]> |
From: Xiao Liang <[email protected]> Date: Mon, 10 Feb 2025 21:29:55 +0800 > Device denoted by IFLA_LINK is in link_net (IFLA_LINK_NETNSID) or > source netns by design, but 6lowpan uses dev_net. > > Note dev->netns_local is set to true and currently link_net is > implemented via a netns change. These together effectively reject > IFLA_LINK_NETNSID. > > This patch adds a validation to ensure link_net is either NULL or > identical to dev_net. Thus it would be fine to continue using dev_net > when rtnetlink core begins to create devices directly in target netns. > > Signed-off-by: Xiao Liang <[email protected]> Reviewed-by: Kuniyuki Iwashima <[email protected]>