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-rw-r--r--src/corelib/io/qfsfileengine_unix.cpp2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/corelib/io/qfsfileengine_unix.cpp b/src/corelib/io/qfsfileengine_unix.cpp
index d346685..6af5674 100644
--- a/src/corelib/io/qfsfileengine_unix.cpp
+++ b/src/corelib/io/qfsfileengine_unix.cpp
@@ -1264,7 +1264,7 @@ uchar *QFSFileEnginePrivate::map(qint64 offset, qint64 size, QFile::MemoryMapFla
size_t realSize = (size_t)size + extra;
QT_OFF_T realOffset = QT_OFF_T(offset);
- realOffset &= ~(QT_OFF_T(pageSize));
+ realOffset &= ~(QT_OFF_T(pageSize - 1));
#ifdef Q_OS_SYMBIAN
void *mapAddress;