From 70ff7d097bdf214c53b0ca94a8ae51017da32fe6 Mon Sep 17 00:00:00 2001
From: Thiago Macieira <thiago.macieira@intel.com>
Date: Sat, 11 Aug 2012 15:23:56 +0200
Subject: [PATCH] Use storeRelease to unlock a mutex instead of
 fetchAndStoreRelease

We're not checking the result anyway, so use a simpler operation.

Change-Id: I8c2db35be86660b29d81dd97ce3e269de55a37df
Reviewed-by: Lars Knoll <lars.knoll@nokia.com>
Reviewed-by: Olivier Goffart <ogoffart@woboq.com>
---
 src/corelib/thread/qmutex_linux.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/corelib/thread/qmutex_linux.cpp b/src/corelib/thread/qmutex_linux.cpp
index e2842a670b8..a93295881ef 100644
--- a/src/corelib/thread/qmutex_linux.cpp
+++ b/src/corelib/thread/qmutex_linux.cpp
@@ -244,7 +244,7 @@ void QBasicMutex::unlockInternal() Q_DECL_NOTHROW
     Q_UNUSED(d);
     Q_ASSERT(!isRecursive());
 
-    d_ptr.fetchAndStoreRelease(0);
+    d_ptr.storeRelease(0);
     _q_futex(&d_ptr, FUTEX_WAKE, 1, 0);
 }