[src/trunk]: src/sys/external/bsd/drm2/include/linux Fix atomic_dec_and_test ...

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

details:   https://anonhg.NetBSD.org/src/rev/49513f4fdb8f
branches:  trunk
changeset: 329672:49513f4fdb8f
user:      riastradh <riastradh%NetBSD.org@localhost>
date:      Tue Jun 03 14:59:30 2014 +0000

description:
Fix atomic_dec_and_test in <linux/atomic.h>: test 0, not -1.

diffstat:

 sys/external/bsd/drm2/include/linux/atomic.h |  4 ++--
 1 files changed, 2 insertions(+), 2 deletions(-)

diffs (18 lines):

diff -r 42dadc38520a -r 49513f4fdb8f sys/external/bsd/drm2/include/linux/atomic.h
--- a/sys/external/bsd/drm2/include/linux/atomic.h      Tue Jun 03 14:42:41 2014 +0000
+++ b/sys/external/bsd/drm2/include/linux/atomic.h      Tue Jun 03 14:59:30 2014 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: atomic.h,v 1.3 2014/04/01 15:28:52 riastradh Exp $     */
+/*     $NetBSD: atomic.h,v 1.4 2014/06/03 14:59:30 riastradh Exp $     */
 
 /*-
  * Copyright (c) 2013 The NetBSD Foundation, Inc.
@@ -104,7 +104,7 @@
 static inline int
 atomic_dec_and_test(atomic_t *atomic)
 {
-       return (-1 == (int)atomic_dec_uint_nv(&atomic->a_u.au_uint));
+       return (0 == (int)atomic_dec_uint_nv(&atomic->a_u.au_uint));
 }
 
 static inline void