RequestData: optimise fromData() and preopen the buffer

It was just a coincidence that QBuffer allowed reading from it
without being isReadable() at the moment of starting a job.

1 files changed, 2 insertions, 3 deletions

diff --git a/lib/jobs/requestdata.cpp b/lib/jobs/requestdata.cpp
index 0c70f085..cec15954 100644
--- a/lib/jobs/requestdata.cpp
+++ b/lib/jobs/requestdata.cpp
@@ -11,9 +11,8 @@ using namespace Quotient;
 auto fromData(const QByteArray& data)
 {
     auto source = std::make_unique<QBuffer>();
-    source->open(QIODevice::WriteOnly);
-    source->write(data);
-    source->close();
+    source->setData(data);
+    source->open(QIODevice::ReadOnly);
     return source;
 }