[PATCH net-next v10 09/13] net: xfrm: Use link netns in newlink() of rtnl_link_ops
From: Xiao Liang <hidden>
Date: 2025-02-19 12:52:17
Also in:
batman, bpf, bridge, linux-can, linux-kselftest, linux-rdma, linux-wireless, lkml
Subsystem:
networking [general], networking [ipsec], the rest · Maintainers:
"David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, Steffen Klassert, Herbert Xu, 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/xfrm/xfrm_interface_core.c | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-)
diff --git a/net/xfrm/xfrm_interface_core.c b/net/xfrm/xfrm_interface_core.c
index 5659a6cadd51..622445f041d3 100644
--- a/net/xfrm/xfrm_interface_core.c
+++ b/net/xfrm/xfrm_interface_core.c@@ -242,10 +242,9 @@ static void xfrmi_dev_free(struct net_device *dev) gro_cells_destroy(&xi->gro_cells); } -static int xfrmi_create(struct net_device *dev) +static int xfrmi_create(struct net *net, struct net_device *dev) { struct xfrm_if *xi = netdev_priv(dev); - struct net *net = dev_net(dev); struct xfrmi_net *xfrmn = net_generic(net, xfrmi_net_id); int err;
@@ -819,11 +818,12 @@ static int xfrmi_newlink(struct net_device *dev, struct netlink_ext_ack *extack) { struct nlattr **data = params->data; - struct net *net = dev_net(dev); struct xfrm_if_parms p = {}; struct xfrm_if *xi; + struct net *net; int err; + net = params->link_net ? : dev_net(dev); xfrmi_netlink_parms(data, &p); if (p.collect_md) { struct xfrmi_net *xfrmn = net_generic(net, xfrmi_net_id);
@@ -852,7 +852,7 @@ static int xfrmi_newlink(struct net_device *dev, xi->net = net; xi->dev = dev; - err = xfrmi_create(dev); + err = xfrmi_create(net, dev); return err; }
--
2.48.1