diff options
Diffstat (limited to 'arch/x86/include/asm/rwsem.h')
| -rw-r--r-- | arch/x86/include/asm/rwsem.h | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/arch/x86/include/asm/rwsem.h b/arch/x86/include/asm/rwsem.h index d759c5f70f49..453744c1d347 100644 --- a/arch/x86/include/asm/rwsem.h +++ b/arch/x86/include/asm/rwsem.h @@ -102,9 +102,9 @@ static inline int __down_read_trylock(struct rw_semaphore *sem) #define ____down_write(sem, slow_path) \ ({ \ long tmp; \ - struct rw_semaphore* ret = sem; \ + struct rw_semaphore* ret; \ asm volatile("# beginning down_write\n\t" \ - LOCK_PREFIX " xadd %1,(%2)\n\t" \ + LOCK_PREFIX " xadd %1,(%3)\n\t" \ /* adds 0xffff0001, returns the old value */ \ " test " __ASM_SEL(%w1,%k1) "," __ASM_SEL(%w1,%k1) "\n\t" \ /* was the active mask 0 before? */\ @@ -112,7 +112,7 @@ static inline int __down_read_trylock(struct rw_semaphore *sem) " call " slow_path "\n" \ "1:\n" \ "# ending down_write" \ - : "+m" (sem->count), "=d" (tmp), "+a" (ret) \ + : "+m" (sem->count), "=d" (tmp), "=a" (ret) \ : "a" (sem), "1" (RWSEM_ACTIVE_WRITE_BIAS) \ : "memory", "cc"); \ ret; \ |