Check result of open()ing a QTemporaryFile

Change-Id: Ief4f6651a8763deaa259a62c1076ea8be1d62da1
Coverity-Id: 390145
Reviewed-by: Lars Knoll <lars.knoll@qt.io>
(cherry picked from commit 983e50fbef960086e05d7de4f13a534216f76d66)
Reviewed-by: Qt Cherry-pick Bot <cherrypick_bot@qt-project.org>

1 files changed, 8 insertions, 1 deletions

diff --git a/src/multimedia/playback/qmediaplayer.cpp b/src/multimedia/playback/qmediaplayer.cpp
index 5c11d8e81..ffa683642 100644
--- a/src/multimedia/playback/qmediaplayer.cpp
+++ b/src/multimedia/playback/qmediaplayer.cpp
@@ -195,7 +195,14 @@ void QMediaPlayerPrivate::setMedia(const QUrl &media, QIODevice *stream)
                 tempFile->setFileTemplate(tempFile->fileTemplate() + QLatin1Char('.') + suffix);
 
             // Copy the qrc data into the temporary file
-            tempFile->open();
+            if (!tempFile->open()) {
+                control->setMedia(QUrl(), nullptr);
+                control->mediaStatusChanged(QMediaPlayer::InvalidMedia);
+                control->error(QMediaPlayer::ResourceError, tempFile->errorString());
+                delete tempFile;
+                qrcFile.reset();
+                return;
+            }
             char buffer[4096];
             while (true) {
                 qint64 len = file->read(buffer, sizeof(buffer));