--- zzzz-none-000/linux-4.1.52/include/linux/netfilter.h	2018-05-28 02:26:45.000000000 +0000
+++ bcm63-7530ax-731/linux-4.1.52/include/linux/netfilter.h	2022-03-02 11:37:13.000000000 +0000
@@ -314,7 +314,9 @@
 extern void (*nf_nat_decode_session_hook)(struct sk_buff *, struct flowi *);
 
 static inline void
-nf_nat_decode_session(struct sk_buff *skb, struct flowi *fl, u_int8_t family)
+nf_nat_decode_session(struct sk_buff *skb __maybe_unused,
+		      struct flowi *fl __maybe_unused,
+		      u_int8_t family __maybe_unused)
 {
 #ifdef CONFIG_NF_NAT_NEEDED
 	void (*decodefn)(struct sk_buff *, struct flowi *);
@@ -373,7 +375,8 @@
 };
 extern struct nfq_ct_hook __rcu *nfq_ct_hook;
 #else
-static inline void nf_ct_attach(struct sk_buff *new, struct sk_buff *skb) {}
+static inline void nf_ct_attach(struct sk_buff *new __maybe_unused,
+				struct sk_buff *skb __maybe_unused) {}
 #endif
 
 #endif /*__LINUX_NETFILTER_H*/