diff --git a/net/bluetooth/l2cap_core.c b/net/bluetooth/l2cap_core.c
index 4bfb7d22d171..1611b3544bb1 100644
--- a/net/bluetooth/l2cap_core.c
+++ b/net/bluetooth/l2cap_core.c
@@ -1524,7 +1524,9 @@ struct sk_buff *l2cap_create_basic_pdu(struct l2cap_chan *chan, struct msghdr *m
 	return skb;
 }
 
-struct sk_buff *l2cap_create_iframe_pdu(struct l2cap_chan *chan, struct msghdr *msg, size_t len, u16 control, u16 sdulen)
+static struct sk_buff *l2cap_create_iframe_pdu(struct l2cap_chan *chan,
+						struct msghdr *msg, size_t len,
+						u16 control, u16 sdulen)
 {
 	struct sock *sk = chan->sk;
 	struct l2cap_conn *conn = chan->conn;