[PATCH] correct local_dec on some architectures

A small bug in local.h apparently got copied a few times.
I noticed this because I copied the same bug to s390.
This patch should fix the occurrences in BK, but there
are others that are not merged yet, e.g. ppc64 in -mm3.

include/asm-alpha/local.h

@@ -11,7 +11,7 @@ typedef atomic64_t local_t;
 #define local_set(v,i)	atomic64_set(v,i)
 
 #define local_inc(v)	atomic64_inc(v)
-#define local_dec(v)	atomic64_inc(v)
+#define local_dec(v)	atomic64_dec(v)
 #define local_add(i, v)	atomic64_add(i, v)
 #define local_sub(i, v)	atomic64_sub(i, v)
 

include/asm-mips/local.h

@@ -14,7 +14,7 @@ typedef atomic_t local_t;
 #define local_set(v,i)	atomic_set(v,i)
 
 #define local_inc(v)	atomic_inc(v)
-#define local_dec(v)	atomic_inc(v)
+#define local_dec(v)	atomic_dec(v)
 #define local_add(i, v)	atomic_add(i, v)
 #define local_sub(i, v)	atomic_sub(i, v)
 
@@ -29,14 +29,14 @@ typedef atomic64_t local_t;
 #define local_set(v,i)	atomic64_set(v,i)
 
 #define local_inc(v)	atomic64_inc(v)
-#define local_dec(v)	atomic64_inc(v)
+#define local_dec(v)	atomic64_dec(v)
 #define local_add(i, v)	atomic64_add(i, v)
 #define local_sub(i, v)	atomic64_sub(i, v)
 
 #endif
 
 #define __local_inc(v)		((v)->counter++)
-#define __local_dec(v)		((v)->counter++)
+#define __local_dec(v)		((v)->counter--)
 #define __local_add(i,v)	((v)->counter+=(i))
 #define __local_sub(i,v)	((v)->counter-=(i))
 

include/asm-sparc64/local.h

@@ -11,12 +11,12 @@ typedef atomic64_t local_t;
 #define local_set(v,i)	atomic64_set(v,i)
 
 #define local_inc(v)	atomic64_inc(v)
-#define local_dec(v)	atomic64_inc(v)
+#define local_dec(v)	atomic64_dec(v)
 #define local_add(i, v)	atomic64_add(i, v)
 #define local_sub(i, v)	atomic64_sub(i, v)
 
 #define __local_inc(v)		((v)->counter++)
-#define __local_dec(v)		((v)->counter++)
+#define __local_dec(v)		((v)->counter--)
 #define __local_add(i,v)	((v)->counter+=(i))
 #define __local_sub(i,v)	((v)->counter-=(i))