simplify QSharedMemoryPrivate::cleanHandle()

by making it return nothing as it's result should be ignored anyways
(initKey() and detach() could return false because of it - which is wrong)

Merge-request: 1248
Reviewed-by: Harald Fernengel <harald.fernengel@nokia.com>

5 files changed, 10 insertions, 14 deletions

diff --git a/src/corelib/kernel/qsharedmemory.cpp b/src/corelib/kernel/qsharedmemory.cpp
index 9ab9fa4..2882279 100644
--- a/src/corelib/kernel/qsharedmemory.cpp
+++ b/src/corelib/kernel/qsharedmemory.cpp
@@ -253,8 +253,8 @@ void QSharedMemory::setNativeKey(const QString &key)
 
 bool QSharedMemoryPrivate::initKey()
 {
-    if (!cleanHandle())
-        return false;
+    cleanHandle();
+
 #ifndef QT_NO_SYSTEMSEMAPHORE
     systemSemaphore.setKey(QString(), 1);
     systemSemaphore.setKey(key, 1);
diff --git a/src/corelib/kernel/qsharedmemory_p.h b/src/corelib/kernel/qsharedmemory_p.h
index 182876b..8099e6b 100644
--- a/src/corelib/kernel/qsharedmemory_p.h
+++ b/src/corelib/kernel/qsharedmemory_p.h
@@ -137,7 +137,7 @@ public:
     key_t handle();
 #endif
     bool initKey();
-    bool cleanHandle();
+    void cleanHandle();
     bool create(int size);
     bool attach(QSharedMemory::AccessMode mode);
     bool detach();
diff --git a/src/corelib/kernel/qsharedmemory_symbian.cpp b/src/corelib/kernel/qsharedmemory_symbian.cpp
index 3430aaa..cd1567a 100644
--- a/src/corelib/kernel/qsharedmemory_symbian.cpp
+++ b/src/corelib/kernel/qsharedmemory_symbian.cpp
@@ -110,10 +110,9 @@ key_t QSharedMemoryPrivate::handle()
     return 1;
 }
 
-bool QSharedMemoryPrivate::cleanHandle()
+void QSharedMemoryPrivate::cleanHandle()
 {
     chunk.Close();
-    return true;
 }
 
 bool QSharedMemoryPrivate::create(int size)
diff --git a/src/corelib/kernel/qsharedmemory_unix.cpp b/src/corelib/kernel/qsharedmemory_unix.cpp
index ae199c4..e991ce9 100644
--- a/src/corelib/kernel/qsharedmemory_unix.cpp
+++ b/src/corelib/kernel/qsharedmemory_unix.cpp
@@ -173,10 +173,9 @@ int QSharedMemoryPrivate::createUnixKeyFile(const QString &fileName)
 
 #ifndef QT_NO_SHAREDMEMORY
 
-bool QSharedMemoryPrivate::cleanHandle()
+void QSharedMemoryPrivate::cleanHandle()
 {
     unix_key = 0;
-    return true;
 }
 
 bool QSharedMemoryPrivate::create(int size)
diff --git a/src/corelib/kernel/qsharedmemory_win.cpp b/src/corelib/kernel/qsharedmemory_win.cpp
index d4da30d..3b8876f 100644
--- a/src/corelib/kernel/qsharedmemory_win.cpp
+++ b/src/corelib/kernel/qsharedmemory_win.cpp
@@ -125,15 +125,11 @@ HANDLE QSharedMemoryPrivate::handle()
     return hand;
 }
 
-bool QSharedMemoryPrivate::cleanHandle()
+void QSharedMemoryPrivate::cleanHandle()
 {
-    if (hand != 0 && !CloseHandle(hand)) {
-        hand = 0;
+    if (hand != 0 && !CloseHandle(hand))
         setErrorString(QLatin1String("QSharedMemory::cleanHandle"));
-        return false;
-    }
     hand = 0;
-    return true;
 }
 
 bool QSharedMemoryPrivate::create(int size)
@@ -192,7 +188,9 @@ bool QSharedMemoryPrivate::detach()
     size = 0;
 
     // close handle
-    return cleanHandle();
+    cleanHandle();
+
+    return true;
 }
 
 QT_END_NAMESPACE