[PATCH] arch: x86: include: asm: need 'unsigned' type cast for atomic_clear_mask()

From: Chen Gang
Date: Sat Jun 08 2013 - 02:31:33 EST



atomic_set_mask() has already have 'unsigned' type case, and
atomic_clear_mask() is the pair of atomic_set_mask().

So it also need 'unsigned' type case.


Signed-off-by: Chen Gang <gang.chen@xxxxxxxxxxx>
---
arch/x86/include/asm/atomic.h | 2 +-
1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/arch/x86/include/asm/atomic.h b/arch/x86/include/asm/atomic.h
index 722aa3b..5b5cf52 100644
--- a/arch/x86/include/asm/atomic.h
+++ b/arch/x86/include/asm/atomic.h
@@ -255,7 +255,7 @@ static inline void atomic_or_long(unsigned long *v1, unsigned long v2)
/* These are x86-specific, used by some header files */
#define atomic_clear_mask(mask, addr) \
asm volatile(LOCK_PREFIX "andl %0,%1" \
- : : "r" (~(mask)), "m" (*(addr)) : "memory")
+ : : "r" (~(unsigned)(mask)), "m" (*(addr)) : "memory")

#define atomic_set_mask(mask, addr) \
asm volatile(LOCK_PREFIX "orl %0,%1" \
--
1.7.7.6
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