Add "ignore -Wmissing-prototypes".

Signed-off-by: Geliang Tang <geliang.tang@suse.com>
---
 net/mptcp/protocol.h | 4 ----
 net/mptcp/sched.c    | 6 ++++++
 2 files changed, 6 insertions(+), 4 deletions(-)

diff --git a/net/mptcp/protocol.h b/net/mptcp/protocol.h
index 915d1fbd554b..bb7215c6b8cb 100644
--- a/net/mptcp/protocol.h
+++ b/net/mptcp/protocol.h
@@ -672,10 +672,6 @@ int mptcp_init_sched(struct mptcp_sock *msk,
 void mptcp_release_sched(struct mptcp_sock *msk);
 void mptcp_subflow_set_scheduled(struct mptcp_subflow_context *subflow,
 				 bool scheduled);
-void mptcp_sched_data_set_contexts(const struct mptcp_sock *msk,
-				   struct mptcp_sched_data *data);
-struct mptcp_subflow_context *
-mptcp_subflow_ctx_by_pos(const struct mptcp_sched_data *data, unsigned int pos);
 struct sock *mptcp_subflow_get_send(struct mptcp_sock *msk);
 struct sock *mptcp_subflow_get_retrans(struct mptcp_sock *msk);
 int mptcp_sched_get_send(struct mptcp_sock *msk);
diff --git a/net/mptcp/sched.c b/net/mptcp/sched.c
index a80cf0481edf..5d78efc9c96c 100644
--- a/net/mptcp/sched.c
+++ b/net/mptcp/sched.c
@@ -127,6 +127,10 @@ void mptcp_subflow_set_scheduled(struct mptcp_subflow_context *subflow,
 	WRITE_ONCE(subflow->scheduled, scheduled);
 }
 
+__diag_push();
+__diag_ignore_all("-Wmissing-prototypes",
+		  "kfuncs which will be used in BPF programs");
+
 void mptcp_sched_data_set_contexts(const struct mptcp_sock *msk,
 				   struct mptcp_sched_data *data)
 {
@@ -155,6 +159,8 @@ mptcp_subflow_ctx_by_pos(const struct mptcp_sched_data *data, unsigned int pos)
 	return data->contexts[pos];
 }
 
+__diag_pop();
+
 int mptcp_sched_get_send(struct mptcp_sock *msk)
 {
 	struct mptcp_subflow_context *subflow;
-- 
2.35.3