| Message ID | 20181121110124.5501-4-nicolas.dichtel@6wind.com |
|---|---|
| State | Superseded, archived |
| Delegated to: | David Miller |
| Headers | show |
| Series | Ease to interpret net-nsid | expand |
diff --git a/net/core/net_namespace.c b/net/core/net_namespace.c index 3d02a742155f..92730905886c 100644 --- a/net/core/net_namespace.c +++ b/net/core/net_namespace.c @@ -783,6 +783,11 @@ static int rtnl_net_getid(struct sk_buff *skb, struct nlmsghdr *nlh, } else if (tb[NETNSA_FD]) { peer = get_net_ns_by_fd(nla_get_u32(tb[NETNSA_FD])); nla = tb[NETNSA_FD]; + } else if (tb[NETNSA_NSID]) { + peer = get_net_ns_by_id(net, nla_get_u32(tb[NETNSA_NSID])); + if (!peer) + peer = ERR_PTR(-ENOENT); + nla = tb[NETNSA_NSID]; } else { NL_SET_ERR_MSG(extack, "Peer netns reference is missing"); return -EINVAL;
Combined with NETNSA_TARGET_NSID, it enables to "translate" a nsid from one netns to a nsid of another netns. This is useful when using NETLINK_F_LISTEN_ALL_NSID because it helps the user to interpret a nsid received from an other netns. Signed-off-by: Nicolas Dichtel <nicolas.dichtel@6wind.com> --- net/core/net_namespace.c | 5 +++++ 1 file changed, 5 insertions(+)