atomic: fix a typo in atomic_long_xchg()

atomic_long_xchg() is not correctly defined for 32bit arches.

Signed-off-by: Eric Dumazet <dada1@cosmosbay.com>
Cc: Mathieu Desnoyers <mathieu.desnoyers@polymtl.ca>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Eric Dumazet 2008-12-09 13:14:25 -08:00 committed by Linus Torvalds
parent 80bba1290a
commit aa6f147966

View File

@ -251,7 +251,7 @@ static inline long atomic_long_add_unless(atomic_long_t *l, long a, long u)
#define atomic_long_cmpxchg(l, old, new) \ #define atomic_long_cmpxchg(l, old, new) \
(atomic_cmpxchg((atomic_t *)(l), (old), (new))) (atomic_cmpxchg((atomic_t *)(l), (old), (new)))
#define atomic_long_xchg(v, new) \ #define atomic_long_xchg(v, new) \
(atomic_xchg((atomic_t *)(l), (new))) (atomic_xchg((atomic_t *)(v), (new)))
#endif /* BITS_PER_LONG == 64 */ #endif /* BITS_PER_LONG == 64 */