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-rw-r--r--linuxthreads/mutex.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/linuxthreads/mutex.c b/linuxthreads/mutex.c
index ae070e5b93..9ce4a30820 100644
--- a/linuxthreads/mutex.c
+++ b/linuxthreads/mutex.c
@@ -171,7 +171,7 @@ int __pthread_mutex_unlock(pthread_mutex_t * mutex)
__pthread_unlock(&mutex->__m_lock);
return 0;
case PTHREAD_MUTEX_ERRORCHECK_NP:
- if (mutex->__m_owner != thread_self() || (mutex->__m_lock.__status & 1) == 0)
+ if (mutex->__m_owner != thread_self() || mutex->__m_lock.__status == 0)
return EPERM;
mutex->__m_owner = NULL;
__pthread_alt_unlock(&mutex->__m_lock);