diff options
Diffstat (limited to 'arch/sh/include/asm/atomic.h')
| -rw-r--r-- | arch/sh/include/asm/atomic.h | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/arch/sh/include/asm/atomic.h b/arch/sh/include/asm/atomic.h index 8ddb2635cf92..2177596d4b38 100644 --- a/arch/sh/include/asm/atomic.h +++ b/arch/sh/include/asm/atomic.h @@ -38,15 +38,15 @@ #define atomic_cmpxchg(v, o, n) (cmpxchg(&((v)->counter), (o), (n))) /** - * atomic_add_unless - add unless the number is a given value + * __atomic_add_unless - add unless the number is a given value * @v: pointer of type atomic_t * @a: the amount to add to v... * @u: ...unless v is equal to u. * * Atomically adds @a to @v, so long as it was not @u. - * Returns non-zero if @v was not @u, and zero otherwise. + * Returns the old value of @v. */ -static inline int atomic_add_unless(atomic_t *v, int a, int u) +static inline int __atomic_add_unless(atomic_t *v, int a, int u) { int c, old; c = atomic_read(v); @@ -59,7 +59,7 @@ static inline int atomic_add_unless(atomic_t *v, int a, int u) c = old; } - return c != (u); + return c; } #define smp_mb__before_atomic_dec() smp_mb() |