From: Vinson Lee <vlee@vmware.com>
Date: Sun, 28 Feb 2010 00:51:17 +0000 (-0800)
Subject: dri: Add assert to check for null pointer dereference.
X-Git-Tag: mesa-7.8~319
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=cab77711b3e8d398393677bcefcd413f50503a64;p=platform%2Fupstream%2Fmesa.git

dri: Add assert to check for null pointer dereference.
---

diff --git a/src/mesa/drivers/dri/common/dri_util.c b/src/mesa/drivers/dri/common/dri_util.c
index a4fd002..890ae513 100644
--- a/src/mesa/drivers/dri/common/dri_util.c
+++ b/src/mesa/drivers/dri/common/dri_util.c
@@ -127,6 +127,7 @@ static int driUnbindContext(__DRIcontext *pcp)
     /* Let driver unbind drawable from context */
     (*psp->DriverAPI.UnbindContext)(pcp);
 
+    assert(pdp);
     if (pdp->refcount == 0) {
 	/* ERROR!!! */
 	return GL_FALSE;