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Commit 3eea44ea authored by Mike Frysinger's avatar Mike Frysinger Committed by Linus Torvalds
Browse files

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



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

Signed-off-by: default avatarMike Frysinger <vapier@gentoo.org>
Cc: Arun Sharma <asharma@fb.com>
Signed-off-by: default avatarAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: default avatarLinus Torvalds <torvalds@linux-foundation.org>
parent acac43e2

include/asm-generic/atomic.h

+2 −2
Original line number Original line Diff line number Diff line
@@ -119,8 +119,8 @@ static inline void atomic_dec(atomic_t *v) 
#define atomic_inc_return(v)		atomic_add_return(1, (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_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_dec_and_test(v)		(atomic_dec_return(v) == 0)

#define atomic_inc_and_test(v)		(atomic_add_return(1, (v)) == 0)

#define atomic_inc_and_test(v)		(atomic_inc_return(v) == 0)





#define atomic_xchg(ptr, v)		(xchg(&(ptr)->counter, (v)))

#define atomic_xchg(ptr, v)		(xchg(&(ptr)->counter, (v)))

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

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