From 84bde2df5b453f8aab35aa18b0cf1f20b8d20488 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Michel=20D=C3=A4nzer?= <michel.daenzer@amd.com>
Date: Fri, 24 Aug 2018 10:58:51 +0200
Subject: [PATCH] EXA: Handle ihandle == -1 in RADEONEXASharePixmapBacking

---
 src/radeon_exa.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/radeon_exa.c b/src/radeon_exa.c
index 93c2f056..268155ed 100644
--- a/src/radeon_exa.c
+++ b/src/radeon_exa.c
@@ -296,11 +296,12 @@ Bool RADEONEXASharePixmapBacking(PixmapPtr ppix, ScreenPtr slave, void **fd_hand
 Bool RADEONEXASetSharedPixmapBacking(PixmapPtr ppix, void *fd_handle)
 {
     struct radeon_exa_pixmap_priv *driver_priv = exaGetPixmapDriverPrivate(ppix);
+    int ihandle = (int)(long)fd_handle;
 
     if (!radeon_set_shared_pixmap_backing(ppix, fd_handle, &driver_priv->surface))
 	return FALSE;
 
-    driver_priv->shared = TRUE;
+    driver_priv->shared = ihandle != -1;
     return TRUE;
 }