From: Brian Paul <brianp@vmware.com>
Date: Thu, 27 May 2010 18:30:45 +0000 (-0600)
Subject: sw/xlib: avoid dereferencing a null pointer
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=0faefb194e58ebd6a58c9ce2d00be286b8746613;p=mesa.git

sw/xlib: avoid dereferencing a null pointer
---

diff --git a/src/gallium/winsys/sw/xlib/xlib_sw_winsys.c b/src/gallium/winsys/sw/xlib/xlib_sw_winsys.c
index 3d702ae08dc..b78f537c125 100644
--- a/src/gallium/winsys/sw/xlib/xlib_sw_winsys.c
+++ b/src/gallium/winsys/sw/xlib/xlib_sw_winsys.c
@@ -255,7 +255,7 @@ xm_displaytarget_destroy(struct sw_winsys *ws,
       }
       else {
          FREE(xm_dt->data);
-         if (xm_dt->tempImage->data == xm_dt->data) {
+         if (xm_dt->tempImage && xm_dt->tempImage->data == xm_dt->data) {
             xm_dt->tempImage->data = NULL;
          }
          xm_dt->data = NULL;