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

This commit is contained in:
riastradh 2014-06-03 14:59:30 +00:00
parent 82d04f72be
commit a21c03fe5f
1 changed files with 2 additions and 2 deletions
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4
sys/external/bsd/drm2/include/linux/atomic.h vendored
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@ -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 @@ atomic_dec_return(atomic_t *atomic)
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