--- zzzz-none-000/linux-4.1.52/include/linux/quota.h	2018-05-28 02:26:45.000000000 +0000
+++ bcm63-7530ax-731/linux-4.1.52/include/linux/quota.h	2022-03-02 11:37:13.000000000 +0000
@@ -492,11 +492,11 @@
 }
 
 #ifdef CONFIG_QUOTA_NETLINK_INTERFACE
-extern void quota_send_warning(struct kqid qid, dev_t dev,
-			       const char warntype);
+extern void quota_send_warning(struct kqid qid __maybe_unused, dev_t dev __maybe_unused,
+			       const char warntype __maybe_unused);
 #else
-static inline void quota_send_warning(struct kqid qid, dev_t dev,
-				      const char warntype)
+static inline void quota_send_warning(struct kqid qid __maybe_unused, dev_t dev __maybe_unused,
+				      const char warntype __maybe_unused)
 {
 	return;
 }