[src/trunk]: src/sys/kern Fix two oddities...

[skrll <skrll%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/8dd70f8d1965
branches:  trunk
changeset: 997501:8dd70f8d1965
user:      skrll <skrll%NetBSD.org@localhost>
date:      Sun Mar 10 12:49:48 2019 +0000

description:
Fix two oddities...

- remove extraneous semi-colons from do { } while (0) macro definitions
- actually wrap MUTEX_INITIALIZE_ADAPTIVE contents in do { }

Spotted by kre@

diffstat:

 sys/kern/kern_mutex.c |  12 ++++++------
 1 files changed, 6 insertions(+), 6 deletions(-)

diffs (49 lines):

diff -r 858b50a397a3 -r 8dd70f8d1965 sys/kern/kern_mutex.c
--- a/sys/kern/kern_mutex.c     Sun Mar 10 12:44:58 2019 +0000
+++ b/sys/kern/kern_mutex.c     Sun Mar 10 12:49:48 2019 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: kern_mutex.c,v 1.75 2018/08/31 01:23:57 ozaki-r Exp $  */
+/*     $NetBSD: kern_mutex.c,v 1.76 2019/03/10 12:49:48 skrll Exp $    */
 
 /*-
  * Copyright (c) 2002, 2006, 2007, 2008 The NetBSD Foundation, Inc.
@@ -40,7 +40,7 @@
 #define        __MUTEX_PRIVATE
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: kern_mutex.c,v 1.75 2018/08/31 01:23:57 ozaki-r Exp $");
+__KERNEL_RCSID(0, "$NetBSD: kern_mutex.c,v 1.76 2019/03/10 12:49:48 skrll Exp $");
 
 #include <sys/param.h>
 #include <sys/atomic.h>
@@ -98,7 +98,7 @@
 do {                                                           \
        if (__predict_false(!(cond)))                           \
                MUTEX_ABORT(mtx, "assertion failed: " #cond);   \
-} while (/* CONSTCOND */ 0);
+} while (/* CONSTCOND */ 0)
 
 #else  /* LOCKDEBUG */
 
@@ -182,10 +182,10 @@
        (((int)(mtx)->mtx_owner & MUTEX_BIT_WAITERS) != 0)
 
 #define        MUTEX_INITIALIZE_ADAPTIVE(mtx, dodebug)                         \
+do {                                                                   \
        if (!dodebug)                                                   \
                (mtx)->mtx_owner |= MUTEX_BIT_NODEBUG;                  \
-do {                                                                   \
-} while (/* CONSTCOND */ 0);
+} while (/* CONSTCOND */ 0)
 
 #define        MUTEX_INITIALIZE_SPIN(mtx, dodebug, ipl)                        \
 do {                                                                   \
@@ -199,7 +199,7 @@
 #define        MUTEX_DESTROY(mtx)                                              \
 do {                                                                   \
        (mtx)->mtx_owner = MUTEX_THREAD;                                \
-} while (/* CONSTCOND */ 0);
+} while (/* CONSTCOND */ 0)
 
 #define        MUTEX_SPIN_P(mtx)               \
     (((mtx)->mtx_owner & MUTEX_BIT_SPIN) != 0)