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-rw-r--r--arch/s390/include/asm/cmpxchg.h34
1 files changed, 25 insertions, 9 deletions
diff --git a/arch/s390/include/asm/cmpxchg.h b/arch/s390/include/asm/cmpxchg.h
index ebd31481f1d2..13c8b2eb6983 100644
--- a/arch/s390/include/asm/cmpxchg.h
+++ b/arch/s390/include/asm/cmpxchg.h
@@ -160,9 +160,14 @@ static inline unsigned long __cmpxchg(void *ptr, unsigned long old,
return old;
}
-#define cmpxchg(ptr, o, n) \
- ((__typeof__(*(ptr)))__cmpxchg((ptr), (unsigned long)(o), \
- (unsigned long)(n), sizeof(*(ptr))))
+#define cmpxchg(ptr, o, n) \
+({ \
+ __typeof__(*(ptr)) __ret; \
+ __ret = (__typeof__(*(ptr))) \
+ __cmpxchg((ptr), (unsigned long)(o), (unsigned long)(n), \
+ sizeof(*(ptr))); \
+ __ret; \
+})
#ifdef CONFIG_64BIT
#define cmpxchg64(ptr, o, n) \
@@ -184,10 +189,16 @@ static inline unsigned long long __cmpxchg64(void *ptr,
: "memory", "cc");
return rp_old.pair;
}
-#define cmpxchg64(ptr, o, n) \
- ((__typeof__(*(ptr)))__cmpxchg64((ptr), \
- (unsigned long long)(o), \
- (unsigned long long)(n)))
+
+#define cmpxchg64(ptr, o, n) \
+({ \
+ __typeof__(*(ptr)) __ret; \
+ __ret = (__typeof__(*(ptr))) \
+ __cmpxchg64((ptr), \
+ (unsigned long long)(o), \
+ (unsigned long long)(n)); \
+ __ret; \
+})
#endif /* CONFIG_64BIT */
#include <asm-generic/cmpxchg-local.h>
@@ -216,8 +227,13 @@ static inline unsigned long __cmpxchg_local(void *ptr,
* them available.
*/
#define cmpxchg_local(ptr, o, n) \
- ((__typeof__(*(ptr)))__cmpxchg_local((ptr), (unsigned long)(o), \
- (unsigned long)(n), sizeof(*(ptr))))
+({ \
+ __typeof__(*(ptr)) __ret; \
+ __ret = (__typeof__(*(ptr))) \
+ __cmpxchg_local((ptr), (unsigned long)(o), \
+ (unsigned long)(n), sizeof(*(ptr))); \
+ __ret; \
+})
#define cmpxchg64_local(ptr, o, n) cmpxchg64((ptr), (o), (n))