--- zzzz-none-000/linux-4.1.52/include/linux/aio.h	2018-05-28 02:26:45.000000000 +0000
+++ bcm63-7530ax-731/linux-4.1.52/include/linux/aio.h	2022-03-02 11:37:13.000000000 +0000
@@ -18,12 +18,12 @@
 			 struct iocb __user *__user *iocbpp, bool compat);
 void kiocb_set_cancel_fn(struct kiocb *req, kiocb_cancel_fn *cancel);
 #else
-static inline void exit_aio(struct mm_struct *mm) { }
-static inline long do_io_submit(aio_context_t ctx_id, long nr,
-				struct iocb __user * __user *iocbpp,
-				bool compat) { return 0; }
-static inline void kiocb_set_cancel_fn(struct kiocb *req,
-				       kiocb_cancel_fn *cancel) { }
+static inline void exit_aio(struct mm_struct *mm __maybe_unused) { }
+static inline long do_io_submit(aio_context_t ctx_id __maybe_unused, long nr __maybe_unused,
+				struct iocb __user * __user *iocbpp __maybe_unused,
+				bool compat __maybe_unused) { return 0; }
+static inline void kiocb_set_cancel_fn(struct kiocb *req __maybe_unused,
+				       kiocb_cancel_fn *cancel __maybe_unused) { }
 #endif /* CONFIG_AIO */
 
 /* for sysctl: */