--- a/src/gui/image/qimagereader.cpp	Wed Jun 23 19:07:03 2010 +0300
+++ b/src/gui/image/qimagereader.cpp	Tue Jul 06 15:10:48 2010 +0300
@@ -144,7 +144,7 @@
 
 QT_BEGIN_NAMESPACE
 
-#if !defined (QT_NO_LIBRARY) && !defined(QT_NO_SETTINGS)
+#ifndef QT_NO_LIBRARY
 Q_GLOBAL_STATIC_WITH_ARGS(QFactoryLoader, loader,
                           (QImageIOHandlerFactoryInterface_iid, QLatin1String("/imageformats")))
 #endif
@@ -205,7 +205,7 @@
     QByteArray form = format.toLower();
     QImageIOHandler *handler = 0;
 
-#if !defined (QT_NO_LIBRARY) && !defined(QT_NO_SETTINGS)
+#ifndef QT_NO_LIBRARY
     // check if we have plugins that support the image format
     QFactoryLoader *l = loader();
     QStringList keys = l->keys();
@@ -217,7 +217,7 @@
              << keys.size() << "plugins available: " << keys;
 #endif
 
-#if !defined (QT_NO_LIBRARY) && !defined(QT_NO_SETTINGS)
+#ifndef QT_NO_LIBRARY
     int suffixPluginIndex = -1;
     if (device && format.isEmpty() && autoDetectImageFormat && !ignoresFormatAndExtension) {
         // if there's no format, see if \a device is a file, and if so, find
@@ -246,7 +246,7 @@
     if (ignoresFormatAndExtension)
         testFormat = QByteArray();
 
-#if !defined (QT_NO_LIBRARY) && !defined(QT_NO_SETTINGS)
+#ifndef QT_NO_LIBRARY
     if (suffixPluginIndex != -1) {
         // check if the plugin that claims support for this format can load
         // from this device with this format.
@@ -331,7 +331,7 @@
 #endif
     }
 
-#if !defined (QT_NO_LIBRARY) && !defined(QT_NO_SETTINGS)
+#ifndef QT_NO_LIBRARY
     if (!handler && (autoDetectImageFormat || ignoresFormatAndExtension)) {
         // check if any of our plugins recognize the file from its contents.
         const qint64 pos = device ? device->pos() : 0;
@@ -350,7 +350,7 @@
         if (device && !device->isSequential())
             device->seek(pos);
     }
-#endif
+#endif // QT_NO_LIBRARY
 
     if (!handler && (autoDetectImageFormat || ignoresFormatAndExtension)) {
         // check if any of our built-in handlers recognize the file from its
@@ -503,7 +503,7 @@
 bool QImageReaderPrivate::initHandler()
 {
     // check some preconditions
-    if (!device || (!deleteDevice && !device->isOpen())) {
+    if (!device || (!deleteDevice && !device->isOpen() && !device->open(QIODevice::ReadOnly))) {
         imageReaderError = QImageReader::DeviceError;
         errorString = QLatin1String(QT_TRANSLATE_NOOP(QImageReader, "Invalid device"));
         return false;
@@ -1414,7 +1414,7 @@
     for (int i = 0; i < _qt_NumFormats; ++i)
         formats << _qt_BuiltInFormats[i].extension;
 
-#if !defined (QT_NO_LIBRARY) && !defined(QT_NO_SETTINGS)
+#ifndef QT_NO_LIBRARY
     QFactoryLoader *l = loader();
     QStringList keys = l->keys();