1 files changed, 1 insertions, 20 deletions

diff --git a/arch/x86/include/asm/futex.h b/arch/x86/include/asm/futex.h
index be27ba1e947a..b4c1f5453436 100644
--- a/arch/x86/include/asm/futex.h
+++ b/arch/x86/include/asm/futex.h
@@ -110,26 +110,7 @@ static inline int futex_atomic_op_inuser(int encoded_op, u32 __user *uaddr)
 static inline int futex_atomic_cmpxchg_inatomic(u32 *uval, u32 __user *uaddr,
                                                 u32 oldval, u32 newval)
 {
-        int ret = 0;
-
-        if (!access_ok(VERIFY_WRITE, uaddr, sizeof(u32)))
-                return -EFAULT;
-
-        asm volatile("\t" ASM_STAC "\n"
-                     "1:\t" LOCK_PREFIX "cmpxchgl %4, %2\n"
-                     "2:\t" ASM_CLAC "\n"
-                     "\t.section .fixup, \"ax\"\n"
-                     "3:\tmov     %3, %0\n"
-                     "\tjmp     2b\n"
-                     "\t.previous\n"
-                     _ASM_EXTABLE(1b, 3b)
-                     : "+r" (ret), "=a" (oldval), "+m" (*uaddr)
-                     : "i" (-EFAULT), "r" (newval), "1" (oldval)
-                     : "memory"
-        );
-
-        *uval = oldval;
-        return ret;
+        return user_atomic_cmpxchg_inatomic(uval, uaddr, oldval, newval);
 }
 
 #endif