[PATCH] mutex: fix the expression for checking the mutext magic.

[majianpeng <majianpeng@xxxxxxxxx>]

Signed-off-by: Jianpeng Ma <majianpeng@xxxxxxxxx>
---
 mutex.c | 16 ++++++++--------
 1 file changed, 8 insertions(+), 8 deletions(-)

diff --git a/mutex.c b/mutex.c
index af5e501..6022cdd 100644
--- a/mutex.c
+++ b/mutex.c
@@ -20,7 +20,7 @@
 
 void fio_mutex_remove(struct fio_mutex *mutex)
 {
-    assert(mutex->magic = FIO_MUTEX_MAGIC);
+    assert(mutex->magic == FIO_MUTEX_MAGIC);
     pthread_cond_destroy(&mutex->cond);
     munmap((void *) mutex, sizeof(*mutex));
 }
@@ -95,7 +95,7 @@ int fio_mutex_down_timeout(struct fio_mutex *mutex, unsigned int seconds)
     struct timespec t;
     int ret = 0;
 
-    assert(mutex->magic = FIO_MUTEX_MAGIC);
+    assert(mutex->magic == FIO_MUTEX_MAGIC);
 
     gettimeofday(&tv_s, NULL);
     t.tv_sec = tv_s.tv_sec + seconds;
@@ -127,7 +127,7 @@ int fio_mutex_down_timeout(struct fio_mutex *mutex, unsigned int seconds)
 
 void fio_mutex_down(struct fio_mutex *mutex)
 {
-    assert(mutex->magic = FIO_MUTEX_MAGIC);
+    assert(mutex->magic == FIO_MUTEX_MAGIC);
 
     pthread_mutex_lock(&mutex->lock);
 
@@ -143,7 +143,7 @@ void fio_mutex_down(struct fio_mutex *mutex)
 
 void fio_mutex_up(struct fio_mutex *mutex)
 {
-    assert(mutex->magic = FIO_MUTEX_MAGIC);
+    assert(mutex->magic == FIO_MUTEX_MAGIC);
 
     pthread_mutex_lock(&mutex->lock);
     read_barrier();
@@ -155,25 +155,25 @@ void fio_mutex_up(struct fio_mutex *mutex)
 
 void fio_rwlock_write(struct fio_rwlock *lock)
 {
-    assert(lock->magic = FIO_RWLOCK_MAGIC);
+    assert(lock->magic == FIO_RWLOCK_MAGIC);
     pthread_rwlock_wrlock(&lock->lock);
 }
 
 void fio_rwlock_read(struct fio_rwlock *lock)
 {
-    assert(lock->magic = FIO_RWLOCK_MAGIC);
+    assert(lock->magic == FIO_RWLOCK_MAGIC);
     pthread_rwlock_rdlock(&lock->lock);
 }
 
 void fio_rwlock_unlock(struct fio_rwlock *lock)
 {
-    assert(lock->magic = FIO_RWLOCK_MAGIC);
+    assert(lock->magic == FIO_RWLOCK_MAGIC);
     pthread_rwlock_unlock(&lock->lock);
 }
 
 void fio_rwlock_remove(struct fio_rwlock *lock)
 {
-    assert(lock->magic = FIO_RWLOCK_MAGIC);
+    assert(lock->magic == FIO_RWLOCK_MAGIC);
     munmap((void *) lock, sizeof(*lock));
 }
 
-- 
1.8.2.rc2.4.g7799588

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