[PATCH net-next v7 04/11] ieee802154: 6lowpan: Use link netns in newlink() of rtnl_link_ops

Xiao Liang
2025-01-04T12:58:20Z

When link_net is set, use it as link netns instead of dev_net(). This
prepares for rtnetlink core to create device in target netns directly,
in which case the two namespaces may be different.

Signed-off-by: Xiao Liang <shaw.leon@gmail.com>
---
net/ieee802154/6lowpan/core.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/net/ieee802154/6lowpan/core.c b/net/ieee802154/6lowpan/core.c
index c16c14807d87..65a5c61cf38c 100644
--- a/net/ieee802154/6lowpan/core.c
+++ b/net/ieee802154/6lowpan/core.c
@@ -143,7 +143,8 @@ static int lowpan_newlink(struct rtnl_newlink_params *params)
if (!tb[IFLA_LINK])
return -EINVAL;
/* find and hold wpan device */
- wdev = dev_get_by_index(dev_net(ldev), nla_get_u32(tb[IFLA_LINK]));
+ wdev = dev_get_by_index(params->link_net ? : dev_net(ldev),
+ nla_get_u32(tb[IFLA_LINK]));
if (!wdev)
return -ENODEV;
if (wdev->type != ARPHRD_IEEE802154) {
--
2.47.1