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authorHeiko Carstens <heiko.carstens@de.ibm.com>2006-07-17 14:09:18 (GMT)
committerMartin Schwidefsky <schwidefsky@de.ibm.com>2006-07-17 14:09:18 (GMT)
commit5a651c93d3a823af63b1b15bb94fdc951670fb2f (patch)
treebe47b1958b286a786adc0bc205dcb4ab6a84e083 /include
parent82d6897fefca6206bca7153805b4c5359ce97fc4 (diff)
[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>
Diffstat (limited to 'include')
-rw-r--r--include/asm-s390/system.h9
1 files changed, 7 insertions, 2 deletions
diff --git a/include/asm-s390/system.h b/include/asm-s390/system.h
index 36a3a85..1604004 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)
{

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