diff options
Diffstat (limited to 'include/asm-s390/system.h')
| -rw-r--r-- | include/asm-s390/system.h | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/include/asm-s390/system.h b/include/asm-s390/system.h index 36a3a85d611..16040048cd1 100644 --- a/include/asm-s390/system.h +++ b/include/asm-s390/system.h @@ -128,8 +128,13 @@ extern void account_system_vtime(struct task_struct *); #define nop() __asm__ __volatile__ ("nop") -#define xchg(ptr,x) \ - ((__typeof__(*(ptr)))__xchg((unsigned long)(x),(void *)(ptr),sizeof(*(ptr)))) +#define xchg(ptr,x) \ +({ \ + __typeof__(*(ptr)) __ret; \ + __ret = (__typeof__(*(ptr))) \ + __xchg((unsigned long)(x), (void *)(ptr),sizeof(*(ptr))); \ + __ret; \ +}) static inline unsigned long __xchg(unsigned long x, void * ptr, int size) { |