From fdac75dce0da996646b90f7c87998e034872b6bc Mon Sep 17 00:00:00 2001
From: Vincent Wei <vincent@minigui.org>
Date: Mon, 16 Mar 2020 14:48:40 +0800
Subject: [PATCH] call munmap only for software shared surface

---
 src/newgal/surface-shared.c | 8 +++++---
 1 file changed, 5 insertions(+), 3 deletions(-)

diff --git a/src/newgal/surface-shared.c b/src/newgal/surface-shared.c
index 7d14bbec..555b9da2 100644
--- a/src/newgal/surface-shared.c
+++ b/src/newgal/surface-shared.c
@@ -304,15 +304,17 @@ void GAL_FreeSharedSurfaceData (GAL_Surface *surface)
         close (surface->shared_header->fd);
         surface->shared_header->fd = -1;
     }
-    munmap (surface->shared_header,
-        surface->shared_header->pixels_size
-            + surface->shared_header->pixels_off);
 
     if (surface->shared_header->byhw) {
         assert (video->FreeSharedHWSurface);
         video->FreeSharedHWSurface (video, surface);
         surface->hwdata = NULL;
     }
+    else {
+        munmap (surface->shared_header,
+            surface->shared_header->pixels_size
+                + surface->shared_header->pixels_off);
+    }
 
     surface->pixels = NULL;
     surface->shared_header = NULL;