From 0f730ef7b6cc9571147e779183b317547011526b Mon Sep 17 00:00:00 2001
From: Marc Mutz <marc.mutz@kdab.com>
Date: Thu, 16 Feb 2017 11:42:14 +0100
Subject: [PATCH] QReadWriteLock: make field 'recursive' const

It is never written after initialization, and accessed concurrently
outside mutex protection, so make sure that it never changes by
marking it as const.

Change-Id: Ib28b2e8b3067d596a95d1699165a6ebfb15fe674
Reviewed-by: David Faure <david.faure@kdab.com>
Reviewed-by: Olivier Goffart (Woboq GmbH) <ogoffart@woboq.com>
---
 src/corelib/thread/qreadwritelock_p.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/corelib/thread/qreadwritelock_p.h b/src/corelib/thread/qreadwritelock_p.h
index bb58dfab56..04dd45a2e1 100644
--- a/src/corelib/thread/qreadwritelock_p.h
+++ b/src/corelib/thread/qreadwritelock_p.h
@@ -74,7 +74,7 @@ public:
     int writerCount;
     int waitingReaders;
     int waitingWriters;
-    bool recursive;
+    const bool recursive;
 
     //Called with the mutex locked
     bool lockForWrite(int timeout);