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>

diff --git a/include/asm-generic/atomic.h b/include/asm-generic/atomic.h
index 4ec0a29..7abdaa9 100644 (file)
--- a/include/asm-generic/atomic.h
+++ b/include/asm-generic/atomic.h
@@ -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) \
        (atomic_cmpxchg((atomic_t *)(l), (old), (new)))
 #define atomic_long_xchg(v, new) \
-       (atomic_xchg((atomic_t *)(l), (new)))
+       (atomic_xchg((atomic_t *)(v), (new)))
 
 #endif  /*  BITS_PER_LONG == 64  */