[PATCH] asm-generic: fix local_add_unless macro

[Roel Kluin]

When this macro isn't called with 'a' this will 
result in a build failure.

Signed-off-by: Roel Kluin <roel.kluin@xxxxxxxxx>
---
diff --git a/include/asm-generic/local.h b/include/asm-generic/local.h
index dbd6150..fc21844 100644
--- a/include/asm-generic/local.h
+++ b/include/asm-generic/local.h
@@ -42,7 +42,7 @@ typedef struct
 
 #define local_cmpxchg(l, o, n) atomic_long_cmpxchg((&(l)->a), (o), (n))
 #define local_xchg(l, n) atomic_long_xchg((&(l)->a), (n))
-#define local_add_unless(l, a, u) atomic_long_add_unless((&(l)->a), (a), (u))
+#define local_add_unless(l, _a, u) atomic_long_add_unless((&(l)->a), (_a), (u))
 #define local_inc_not_zero(l) atomic_long_inc_not_zero(&(l)->a)
 
 /* Non-atomic variants, ie. preemption disabled and won't be touched
--
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