From: Jakob Bornecrantz <wallbraker@gmail.com>
Date: Mon, 31 Aug 2009 23:24:53 +0000 (+0100)
Subject: st/xorg: Fix crash in MPH
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=7b32da0b11a769be057cdd3e619d582b433bbb0e;p=mesa.git

st/xorg: Fix crash in MPH
---

diff --git a/src/gallium/state_trackers/xorg/xorg_exa.c b/src/gallium/state_trackers/xorg/xorg_exa.c
index 305d75d520a..3697d26363e 100644
--- a/src/gallium/state_trackers/xorg/xorg_exa.c
+++ b/src/gallium/state_trackers/xorg/xorg_exa.c
@@ -485,7 +485,7 @@ ExaModifyPixmapHeader(PixmapPtr pPixmap, int width, int height,
 		exa->scrn->tex_surface_destroy(dst_surf);
 		exa->scrn->tex_surface_destroy(priv->src_surf);
 		priv->src_surf = NULL;
-	    } else {
+	    } else if (pPixmap->devPrivate.ptr) {
 		struct pipe_transfer *transfer;
 
 		if (priv->map_count != 0)