Commit d88e136c authored by Hangbin Liu's avatar Hangbin Liu Committed by Jakub Kicinski

rtnetlink: Honour NLM_F_ECHO flag in rtnl_newlink_create

This patch pass the netlink header message in rtnl_newlink_create() to
the new updated rtnl_configure_link(), so that the kernel could reply
unicast when userspace set NLM_F_ECHO flag to request the new created
interface info.
Suggested-by: default avatarGuillaume Nault <gnault@redhat.com>
Signed-off-by: default avatarHangbin Liu <liuhangbin@gmail.com>
Reviewed-by: default avatarGuillaume Nault <gnault@redhat.com>
Signed-off-by: default avatarJakub Kicinski <kuba@kernel.org>
parent 77f4aa9a
......@@ -3312,11 +3312,13 @@ static int rtnl_group_changelink(const struct sk_buff *skb,
static int rtnl_newlink_create(struct sk_buff *skb, struct ifinfomsg *ifm,
const struct rtnl_link_ops *ops,
const struct nlmsghdr *nlh,
struct nlattr **tb, struct nlattr **data,
struct netlink_ext_ack *extack)
{
unsigned char name_assign_type = NET_NAME_USER;
struct net *net = sock_net(skb->sk);
u32 portid = NETLINK_CB(skb).portid;
struct net *dest_net, *link_net;
struct net_device *dev;
char ifname[IFNAMSIZ];
......@@ -3370,7 +3372,7 @@ static int rtnl_newlink_create(struct sk_buff *skb, struct ifinfomsg *ifm,
goto out;
}
err = rtnl_configure_link(dev, ifm, 0, NULL);
err = rtnl_configure_link(dev, ifm, portid, nlh);
if (err < 0)
goto out_unregister;
if (link_net) {
......@@ -3579,7 +3581,7 @@ static int __rtnl_newlink(struct sk_buff *skb, struct nlmsghdr *nlh,
return -EOPNOTSUPP;
}
return rtnl_newlink_create(skb, ifm, ops, tb, data, extack);
return rtnl_newlink_create(skb, ifm, ops, nlh, tb, data, extack);
}
static int rtnl_newlink(struct sk_buff *skb, struct nlmsghdr *nlh,
......
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