From: bluhm <bluhm@openbsd.org>
Date: Fri, 1 Dec 2023 14:37:22 +0000 (+0000)
Subject: Cast mtx to void in dummy MUTEX_ASSERT_LOCKED().
X-Git-Url: http://artulab.com/gitweb/?a=commitdiff_plain;h=dbbcd4cdc26765f533befbbe5501bb7dd14c097d;p=openbsd

Cast mtx to void in dummy MUTEX_ASSERT_LOCKED().

To avoid unsued variable in ramdisk kernel, use the argument of
MUTEX_ASSERT_LOCKED() also in non DIAGNOSTIC builds.

OK sashan@ mvs@
---

diff --git a/sys/sys/mutex.h b/sys/sys/mutex.h
index 22a375a0b96..8bb039aeb54 100644
--- a/sys/sys/mutex.h
+++ b/sys/sys/mutex.h
@@ -1,4 +1,4 @@
-/*	$OpenBSD: mutex.h,v 1.18 2019/04/23 13:35:12 visa Exp $	*/
+/*	$OpenBSD: mutex.h,v 1.19 2023/12/01 14:37:22 bluhm Exp $	*/
 
 /*
  * Copyright (c) 2004 Artur Grabowski <art@openbsd.org>
@@ -84,8 +84,8 @@ void __mtx_init(struct mutex *, int);
 		panic("mutex %p held in %s", (mtx), __func__);		\
 } while (0)
 #else
-#define MUTEX_ASSERT_LOCKED(mtx) do { } while (0)
-#define MUTEX_ASSERT_UNLOCKED(mtx) do { } while (0)
+#define MUTEX_ASSERT_LOCKED(mtx) do { (void)(mtx); } while (0)
+#define MUTEX_ASSERT_UNLOCKED(mtx) do { (void)(mtx); } while (0)
 #endif
 
 #define MUTEX_LOCK_OBJECT(mtx)	(&(mtx)->mtx_lock_obj)