From: Geliang Tang <tanggeliang@kylinos.cn>

get_addr() interfece will be invoked by dump_addr(), which using a const
parameter "info", so this patch change "info" parameter of get_addr() as
const too.

Signed-off-by: Geliang Tang <tanggeliang@kylinos.cn>
---
 net/mptcp/pm_netlink.c   | 9 ++++++---
 net/mptcp/pm_userspace.c | 2 +-
 net/mptcp/protocol.h     | 2 +-
 3 files changed, 8 insertions(+), 5 deletions(-)

diff --git a/net/mptcp/pm_netlink.c b/net/mptcp/pm_netlink.c
index ef47b54d8328..dc87f9ee9000 100644
--- a/net/mptcp/pm_netlink.c
+++ b/net/mptcp/pm_netlink.c
@@ -1791,12 +1791,15 @@ int mptcp_nl_fill_addr(struct sk_buff *skb,
 }
 
 static int mptcp_pm_nl_get_addr(u8 id, struct mptcp_pm_addr_entry *addr,
-				struct genl_info *info)
+				const struct genl_info *info)
 {
-	struct pm_nl_pernet *pernet = genl_info_pm_nl(info);
+	struct net *net = genl_info_net(info);
 	struct mptcp_pm_addr_entry *entry;
+	struct pm_nl_pernet *pernet;
 	int ret = -EINVAL;
 
+	pernet = pm_nl_get_pernet(net);
+
 	spin_lock_bh(&pernet->lock);
 	entry = __lookup_addr_by_id(pernet, id);
 	if (entry) {
@@ -1809,7 +1812,7 @@ static int mptcp_pm_nl_get_addr(u8 id, struct mptcp_pm_addr_entry *addr,
 }
 
 static int mptcp_pm_get_addr(u8 id, struct mptcp_pm_addr_entry *addr,
-			     struct genl_info *info)
+			     const struct genl_info *info)
 {
 	if (info->attrs[MPTCP_PM_ATTR_TOKEN])
 		return mptcp_userspace_pm_get_addr(id, addr, info);
diff --git a/net/mptcp/pm_userspace.c b/net/mptcp/pm_userspace.c
index 7c0bb084303b..95c7cb56e9b4 100644
--- a/net/mptcp/pm_userspace.c
+++ b/net/mptcp/pm_userspace.c
@@ -669,7 +669,7 @@ int mptcp_userspace_pm_dump_addr(struct sk_buff *msg,
 }
 
 int mptcp_userspace_pm_get_addr(u8 id, struct mptcp_pm_addr_entry *addr,
-				struct genl_info *info)
+				const struct genl_info *info)
 {
 	struct nlattr *token = info->attrs[MPTCP_PM_ATTR_TOKEN];
 	struct net *net = genl_info_net(info);
diff --git a/net/mptcp/protocol.h b/net/mptcp/protocol.h
index 4342be369914..be2028ffebde 100644
--- a/net/mptcp/protocol.h
+++ b/net/mptcp/protocol.h
@@ -1128,7 +1128,7 @@ bool mptcp_userspace_pm_is_backup(struct mptcp_sock *msk, struct mptcp_addr_info
 int mptcp_userspace_pm_dump_addr(struct sk_buff *msg,
 				 struct netlink_callback *cb);
 int mptcp_userspace_pm_get_addr(u8 id, struct mptcp_pm_addr_entry *addr,
-				struct genl_info *info);
+				const struct genl_info *info);
 
 static inline u8 subflow_get_local_id(const struct mptcp_subflow_context *subflow)
 {
-- 
2.43.0