diff mbox series

[net-next,v6,04/11] ieee802154: 6lowpan: Use link netns in newlink() of rtnl_link_ops

Message ID 20241218130909.2173-5-shaw.leon@gmail.com (mailing list archive)
State Not Applicable
Delegated to: Johannes Berg
Headers show
Series net: Improve netns handling in rtnetlink | expand

Commit Message

Xiao Liang Dec. 18, 2024, 1:09 p.m. UTC 
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 mbox series

Patch

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) {