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-rw-r--r--lib/lockref.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/lib/lockref.c b/lib/lockref.c
index e2cd2c0a8821..677d036cf3c7 100644
--- a/lib/lockref.c
+++ b/lib/lockref.c
@@ -14,8 +14,8 @@
while (likely(arch_spin_value_unlocked(old.lock.rlock.raw_lock))) { \
struct lockref new = old, prev = old; \
CODE \
- old.lock_count = cmpxchg(&lockref->lock_count, \
- old.lock_count, new.lock_count); \
+ old.lock_count = cmpxchg64(&lockref->lock_count, \
+ old.lock_count, new.lock_count); \
if (likely(old.lock_count == prev.lock_count)) { \
SUCCESS; \
} \