This patch renames mptcp_pm_nl_get_addr_doit() to in-kernel netlink
PM get addr function mptcp_pm_nl_get_addr(). If a token is gotten in
mptcp_pm_nl_get_addr_doit(), that means a userspace PM is used. So
invoke mptcp_userspace_pm_get_addr() to get addr in userspace PM list.
Otherwise, invoke mptcp_pm_nl_get_addr().

Signed-off-by: Geliang Tang <geliang.tang@linux.dev>
---
 net/mptcp/pm_netlink.c | 10 +++++++++-
 1 file changed, 9 insertions(+), 1 deletion(-)

diff --git a/net/mptcp/pm_netlink.c b/net/mptcp/pm_netlink.c
index 7ae67bdc224b..42deebeb7b4f 100644
--- a/net/mptcp/pm_netlink.c
+++ b/net/mptcp/pm_netlink.c
@@ -1650,7 +1650,7 @@ int mptcp_nl_fill_addr(struct sk_buff *skb,
 	return -EMSGSIZE;
 }
 
-int mptcp_pm_nl_get_addr_doit(struct sk_buff *skb, struct genl_info *info)
+static int mptcp_pm_nl_get_addr(struct sk_buff *skb, struct genl_info *info)
 {
 	struct nlattr *attr = info->attrs[MPTCP_PM_ENDPOINT_ADDR];
 	struct pm_nl_pernet *pernet = genl_info_pm_nl(info);
@@ -1700,6 +1700,14 @@ int mptcp_pm_nl_get_addr_doit(struct sk_buff *skb, struct genl_info *info)
 	return ret;
 }
 
+int mptcp_pm_nl_get_addr_doit(struct sk_buff *skb, struct genl_info *info)
+{
+	if (info->attrs[MPTCP_PM_ATTR_TOKEN])
+		return mptcp_userspace_pm_get_addr(skb, info);
+
+	return mptcp_pm_nl_get_addr(skb, info);
+}
+
 static int mptcp_pm_nl_dump_addr(struct sk_buff *msg,
 				 struct netlink_callback *cb)
 {
-- 
2.35.3