Merge remote-tracking branch 'origin/tqtc/lts-5.15.5' into tqtc/lts-5.15-opensourcev5.15.5-lts-lgpl

Change-Id: I0cdb390124e783dc9cd832a9954baa76a0e9eb6b

1 files changed, 1 insertions, 12 deletions

diff --git a/src/network/access/qnetworkdiskcache.cpp b/src/network/access/qnetworkdiskcache.cpp
index b30d1c9664..0fda4d8296 100644
--- a/src/network/access/qnetworkdiskcache.cpp
+++ b/src/network/access/qnetworkdiskcache.cpp
@@ -417,18 +417,7 @@ QIODevice *QNetworkDiskCache::data(const QUrl &url)
             buffer->setData(d->lastItem.data.data());
         } else {
             buffer.reset(new QBuffer);
-            // ### verify that QFile uses the fd size and not the file name
-            qint64 size = file->size() - file->pos();
-            const uchar *p = nullptr;
-#if !defined(Q_OS_INTEGRITY)
-            p = file->map(file->pos(), size);
-#endif
-            if (p) {
-                buffer->setData((const char *)p, size);
-                file.take()->setParent(buffer.data());
-            } else {
-                buffer->setData(file->readAll());
-            }
+            buffer->setData(file->readAll());
         }
     }
     buffer->open(QBuffer::ReadOnly);