bna: use BIT(x) instead of (1 << x)
[cascardo/linux.git] / lib / lockref.c
index ecb9a66..494994b 100644 (file)
@@ -18,7 +18,7 @@
 #define CMPXCHG_LOOP(CODE, SUCCESS) do {                                       \
        struct lockref old;                                                     \
        BUILD_BUG_ON(sizeof(old) != 8);                                         \
-       old.lock_count = ACCESS_ONCE(lockref->lock_count);                      \
+       old.lock_count = READ_ONCE(lockref->lock_count);                        \
        while (likely(arch_spin_value_unlocked(old.lock.rlock.raw_lock))) {     \
                struct lockref new = old, prev = old;                           \
                CODE                                                            \