From 018340f42ebd24a6ef021ab80182377849d956d7 Mon Sep 17 00:00:00 2001
From: Vincent Wei <vincent@minigui.org>
Date: Sun, 22 Mar 2020 12:48:04 +0800
Subject: [PATCH] check whether using external driver before calling
 flush_driver

---
 src/newgal/drm/drmvideo.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/newgal/drm/drmvideo.c b/src/newgal/drm/drmvideo.c
index f1030a5b..00d48381 100644
--- a/src/newgal/drm/drmvideo.c
+++ b/src/newgal/drm/drmvideo.c
@@ -2246,7 +2246,7 @@ static void DRM_UpdateRects (_THIS, int numrects, GAL_Rect *rects)
 {
     DrmVideoData* vdata = this->hidden;
 
-    if (vdata->driver_ops->flush_driver)
+    if (vdata->driver && vdata->driver_ops->flush_driver)
         vdata->driver_ops->flush_driver(vdata->driver);
 }