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-rw-r--r--include/asm-x86/cmpxchg_32.h32
1 files changed, 20 insertions, 12 deletions
diff --git a/include/asm-x86/cmpxchg_32.h b/include/asm-x86/cmpxchg_32.h
index cea1dae288a..959fad00dff 100644
--- a/include/asm-x86/cmpxchg_32.h
+++ b/include/asm-x86/cmpxchg_32.h
@@ -269,22 +269,26 @@ static inline unsigned long cmpxchg_386(volatile void *ptr, unsigned long old,
({ \
__typeof__(*(ptr)) __ret; \
if (likely(boot_cpu_data.x86 > 3)) \
- __ret = __cmpxchg((ptr), (unsigned long)(o), \
- (unsigned long)(n), sizeof(*(ptr))); \
+ __ret = (__typeof__(*(ptr)))__cmpxchg((ptr), \
+ (unsigned long)(o), (unsigned long)(n), \
+ sizeof(*(ptr))); \
else \
- __ret = cmpxchg_386((ptr), (unsigned long)(o), \
- (unsigned long)(n), sizeof(*(ptr))); \
+ __ret = (__typeof__(*(ptr)))cmpxchg_386((ptr), \
+ (unsigned long)(o), (unsigned long)(n), \
+ sizeof(*(ptr))); \
__ret; \
})
#define cmpxchg_local(ptr, o, n) \
({ \
__typeof__(*(ptr)) __ret; \
if (likely(boot_cpu_data.x86 > 3)) \
- __ret = __cmpxchg_local((ptr), (unsigned long)(o), \
- (unsigned long)(n), sizeof(*(ptr))); \
+ __ret = (__typeof__(*(ptr)))__cmpxchg_local((ptr), \
+ (unsigned long)(o), (unsigned long)(n), \
+ sizeof(*(ptr))); \
else \
- __ret = cmpxchg_386((ptr), (unsigned long)(o), \
- (unsigned long)(n), sizeof(*(ptr))); \
+ __ret = (__typeof__(*(ptr)))cmpxchg_386((ptr), \
+ (unsigned long)(o), (unsigned long)(n), \
+ sizeof(*(ptr))); \
__ret; \
})
#endif
@@ -301,10 +305,12 @@ extern unsigned long long cmpxchg_486_u64(volatile void *, u64, u64);
({ \
__typeof__(*(ptr)) __ret; \
if (likely(boot_cpu_data.x86 > 4)) \
- __ret = __cmpxchg64((ptr), (unsigned long long)(o), \
+ __ret = (__typeof__(*(ptr)))__cmpxchg64((ptr), \
+ (unsigned long long)(o), \
(unsigned long long)(n)); \
else \
- __ret = cmpxchg_486_u64((ptr), (unsigned long long)(o), \
+ __ret = (__typeof__(*(ptr)))cmpxchg_486_u64((ptr), \
+ (unsigned long long)(o), \
(unsigned long long)(n)); \
__ret; \
})
@@ -312,10 +318,12 @@ extern unsigned long long cmpxchg_486_u64(volatile void *, u64, u64);
({ \
__typeof__(*(ptr)) __ret; \
if (likely(boot_cpu_data.x86 > 4)) \
- __ret = __cmpxchg64_local((ptr), (unsigned long long)(o), \
+ __ret = (__typeof__(*(ptr)))__cmpxchg64_local((ptr), \
+ (unsigned long long)(o), \
(unsigned long long)(n)); \
else \
- __ret = cmpxchg_486_u64((ptr), (unsigned long long)(o), \
+ __ret = (__typeof__(*(ptr)))cmpxchg_486_u64((ptr), \
+ (unsigned long long)(o), \
(unsigned long long)(n)); \
__ret; \
})