ffmpeg | branch: master | Clément Bœsch <u...@pkh.me> | Mon May 26 21:08:32 
2014 +0200| [56e432b27b8f65872a8b1381bde86b7e54f6a7c7] | committer: Clément 
Bœsch

avutil/atomic: reuse ret to avoid dereferencing twice the same value.

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=56e432b27b8f65872a8b1381bde86b7e54f6a7c7
---

 libavutil/atomic.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/libavutil/atomic.c b/libavutil/atomic.c
index 1fa6308..b13725d 100644
--- a/libavutil/atomic.c
+++ b/libavutil/atomic.c
@@ -64,7 +64,7 @@ void *avpriv_atomic_ptr_cas(void * volatile *ptr, void 
*oldval, void *newval)
     void *ret;
     pthread_mutex_lock(&atomic_lock);
     ret = *ptr;
-    if (*ptr == oldval)
+    if (ret == oldval)
         *ptr = newval;
     pthread_mutex_unlock(&atomic_lock);
     return ret;

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