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-rw-r--r--net/core/rtnetlink.c5
1 files changed, 4 insertions, 1 deletions
diff --git a/net/core/rtnetlink.c b/net/core/rtnetlink.c
index 2d56cb9b0b94..abd936d8a716 100644
--- a/net/core/rtnetlink.c
+++ b/net/core/rtnetlink.c
@@ -1046,6 +1046,7 @@ const struct nla_policy ifla_policy[IFLA_MAX+1] = {
[IFLA_LINKMODE] = { .type = NLA_U8 },
[IFLA_LINKINFO] = { .type = NLA_NESTED },
[IFLA_NET_NS_PID] = { .type = NLA_U32 },
+ [IFLA_NET_NS_FD] = { .type = NLA_U32 },
[IFLA_IFALIAS] = { .type = NLA_STRING, .len = IFALIASZ-1 },
[IFLA_VFINFO_LIST] = {. type = NLA_NESTED },
[IFLA_VF_PORTS] = { .type = NLA_NESTED },
@@ -1094,6 +1095,8 @@ struct net *rtnl_link_get_net(struct net *src_net, struct nlattr *tb[])
*/
if (tb[IFLA_NET_NS_PID])
net = get_net_ns_by_pid(nla_get_u32(tb[IFLA_NET_NS_PID]));
+ else if (tb[IFLA_NET_NS_FD])
+ net = get_net_ns_by_fd(nla_get_u32(tb[IFLA_NET_NS_FD]));
else
net = get_net(src_net);
return net;
@@ -1224,7 +1227,7 @@ static int do_setlink(struct net_device *dev, struct ifinfomsg *ifm,
int send_addr_notify = 0;
int err;
- if (tb[IFLA_NET_NS_PID]) {
+ if (tb[IFLA_NET_NS_PID] || tb[IFLA_NET_NS_FD]) {
struct net *net = rtnl_link_get_net(dev_net(dev), tb);
if (IS_ERR(net)) {
err = PTR_ERR(net);
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