QQuickPixmapCache: Don't dereference nullptrv5.14.0-rc2v5.14.0

Consistently check that job->data is not null before derefencing it.

Fixes: QTBUG-80510
Fixes: QTBUG-79937
Change-Id: I894503ddd2254814463073cc12f8365641efc689
Reviewed-by: Ulf Hermann <ulf.hermann@qt.io>
Reviewed-by: Shawn Rutledge <shawn.rutledge@qt.io>

1 files changed, 17 insertions, 0 deletions

diff --git a/tests/auto/quick/qquickpixmapcache/data/asynchronousNoCache.qml b/tests/auto/quick/qquickpixmapcache/data/asynchronousNoCache.qml
new file mode 100644
index 0000000000..5331be5a15
--- /dev/null
+++ b/tests/auto/quick/qquickpixmapcache/data/asynchronousNoCache.qml
@@ -0,0 +1,17 @@
+import QtQuick 2.12
+
+Item {
+    visible: true
+    width: 640
+    height: 480
+
+    Image{
+        asynchronous: true
+        anchors.fill: parent
+        fillMode: Image.Stretch
+        source: "exists1.png"
+        cache: false
+        sourceSize.width: width/2
+        sourceSize.height: height/2
+    }
+}