From 4b2503e61403ec8e2f0dd2df06c94cc962d3ef1b Mon Sep 17 00:00:00 2001
From: Vincent Wei <vincent@minigui.org>
Date: Sun, 25 Sep 2022 22:13:27 +0800
Subject: [PATCH] fix a bug when quiting dummy engine under compoisiting schema

---
 src/newgal/dummy/nullvideo.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/newgal/dummy/nullvideo.c b/src/newgal/dummy/nullvideo.c
index f985c954..5ee63f3f 100644
--- a/src/newgal/dummy/nullvideo.c
+++ b/src/newgal/dummy/nullvideo.c
@@ -325,7 +325,9 @@ static void DUMMY_VideoQuit(_THIS)
     }
 #else
     if (this->screen->pixels != NULL) {
+#if !defined(_MGRM_PROCESSES)
         free (this->screen->pixels);
+#endif
         this->screen->pixels = NULL;
     }
 #endif  /* not (defined(_MGRM_PROCESSES) && defined (_MGSCHEMA_SHAREDFB)) */