[PATCH] asm-generic/atomic.h: simplify inc/dec test helpers

From: Mike Frysinger
Date: Fri Jun 17 2011 - 17:10:12 EST

We already declared inc/dec helpers, so we don't need to call the
atomic_{add,sub}_return funcs directly.

Signed-off-by: Mike Frysinger <vapier@xxxxxxxxxx>
Note: this shouldn't conflict with Arun's changes

include/asm-generic/atomic.h | 4 ++--
1 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/include/asm-generic/atomic.h b/include/asm-generic/atomic.h
index e994197..5f62e28 100644
--- a/include/asm-generic/atomic.h
+++ b/include/asm-generic/atomic.h
@@ -117,8 +117,8 @@ static inline void atomic_dec(atomic_t *v)
#define atomic_inc_return(v) atomic_add_return(1, (v))

#define atomic_sub_and_test(i, v) (atomic_sub_return((i), (v)) == 0)
-#define atomic_dec_and_test(v) (atomic_sub_return(1, (v)) == 0)
-#define atomic_inc_and_test(v) (atomic_add_return(1, (v)) == 0)
+#define atomic_dec_and_test(v) (atomic_dec_return(v) == 0)
+#define atomic_inc_and_test(v) (atomic_inc_return(v) == 0)

#define atomic_xchg(ptr, v) (xchg(&(ptr)->counter, (v)))
#define atomic_cmpxchg(v, old, new) (cmpxchg(&((v)->counter), (old), (new)))

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