From d97efea0caaa9741f21e7e30b394d292ea80c9b0 Mon Sep 17 00:00:00 2001
From: VaL Doroshchuk <valentyn.doroshchuk@qt.io>
Date: Thu, 25 Jun 2020 16:06:43 +0200
Subject: Don't map QMemoryVideoBuffer when there is no data inside

Pick-to: 5.15
Task-number: QTBUG-85202
Change-Id: If40af4af211af86311c0e04a8bdd0627dc34a939
Reviewed-by: Andy Shaw <andy.shaw@qt.io>
---
 src/multimedia/video/qmemoryvideobuffer.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'src')

diff --git a/src/multimedia/video/qmemoryvideobuffer.cpp b/src/multimedia/video/qmemoryvideobuffer.cpp
index e05210d9d..febcd66c8 100644
--- a/src/multimedia/video/qmemoryvideobuffer.cpp
+++ b/src/multimedia/video/qmemoryvideobuffer.cpp
@@ -101,7 +101,7 @@ uchar *QMemoryVideoBuffer::map(MapMode mode, int *numBytes, int *bytesPerLine)
 {
     Q_D(QMemoryVideoBuffer);
 
-    if (d->mapMode == NotMapped && d->data.data() && mode != NotMapped) {
+    if (d->mapMode == NotMapped && d->data.size() && mode != NotMapped) {
         d->mapMode = mode;
 
         if (numBytes)
-- 
cgit v1.2.3