[PATCH net-next v7 04/11] ieee802154: 6lowpan: Use link netns in newlink() of rtnl_link_ops
From: Xiao Liang <hidden>
Date: 2025-01-04 12:58:20
Also in:
batman, bpf, bridge, linux-can, linux-kselftest, linux-rdma, linux-wireless, lkml
Subsystem:
ieee 802.15.4 subsystem, networking [general], the rest · Maintainers:
Alexander Aring, Stefan Schmidt, Miquel Raynal, "David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, Linus Torvalds
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 <redacted> --- 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