From 56e432b27b8f65872a8b1381bde86b7e54f6a7c7 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Cl=C3=A9ment=20B=C5=93sch?= <u@pkh.me>
Date: Mon, 26 May 2014 21:08:32 +0200
Subject: [PATCH] avutil/atomic: reuse ret to avoid dereferencing twice the
 same value.

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

diff --git a/libavutil/atomic.c b/libavutil/atomic.c
index 1fa6308630..b13725d14f 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;