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-rw-r--r--src/corelib/text/qbytearray.cpp2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/corelib/text/qbytearray.cpp b/src/corelib/text/qbytearray.cpp
index 1eb5162fb1..521b970137 100644
--- a/src/corelib/text/qbytearray.cpp
+++ b/src/corelib/text/qbytearray.cpp
@@ -636,7 +636,7 @@ QByteArray qUncompress(const uchar* data, qsizetype nbytes)
size_t expectedSize = size_t((data[0] << 24) | (data[1] << 16) |
(data[2] << 8) | (data[3] ));
size_t len = qMax(expectedSize, 1ul);
- const ulong maxPossibleSize = MaxAllocSize - sizeof(QByteArray::Data);
+ const size_t maxPossibleSize = MaxAllocSize - sizeof(QByteArray::Data);
if (Q_UNLIKELY(len >= maxPossibleSize)) {
// QByteArray does not support that huge size anyway.
return invalidCompressedData();