From: Emiel Bruijntjes <emiel.bruijntjes@copernica.com>
Date: Sat, 28 Nov 2015 13:19:43 +0000 (+0100)
Subject: subtract first, then retrieve value
X-Git-Tag: json-c-0.13-20171207~59^2
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=refs%2Fpull%2F211%2Fhead;p=thirdparty%2Fjson-c.git

subtract first, then retrieve value
---

diff --git a/json_object.c b/json_object.c
index eae0f8a8..b7ca93b3 100644
--- a/json_object.c
+++ b/json_object.c
@@ -176,7 +176,7 @@ int json_object_put(struct json_object *jso)
 	if(!jso) return 0;
 
 #if defined __GNUC__
-	if (__sync_fetch_and_sub(&jso->_ref_count, 1) > 0) return 0;
+	if (__sync_sub_and_fetch(&jso->_ref_count, 1) > 0) return 0;
 #else
 	if (--jso->_ref_count > 0) return 0;
 #endif