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[S390] Fix gcc warning about unused return values. 

Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
This commit is contained in:
Heiko Carstens 2006-07-17 16:09:18 +02:00 committed by Martin Schwidefsky
parent 82d6897fef
commit 5a651c93d3
1 changed files with 7 additions and 2 deletions
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9
include/asm-s390/system.h
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@ -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)
{