From: Juha-Pekka Heikkila <juhapekka.heikkila@gmail.com>
Date: Wed, 11 Dec 2013 09:06:00 +0000 (-0700)
Subject: glx: Add missing null check in DRI2WireToEvent
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=84b1716b5efa98c21db32ff7f55bb7608d6a11df;p=mesa.git

glx: Add missing null check in DRI2WireToEvent

Signed-off-by: Juha-Pekka Heikkila <juhapekka.heikkila@gmail.com>
Reviewed-by: Brian Paul <brianp@vmware.com>
---

diff --git a/src/glx/dri2.c b/src/glx/dri2.c
index bcd1f9c9011..7e8fdeabf47 100644
--- a/src/glx/dri2.c
+++ b/src/glx/dri2.c
@@ -102,6 +102,8 @@ DRI2WireToEvent(Display *dpy, XEvent *event, xEvent *wire)
       __GLXDRIdrawable *pdraw;
 
       pdraw = dri2GetGlxDrawableFromXDrawableId(dpy, awire->drawable);
+      if (pdraw == NULL)
+         return False;
 
       /* Ignore swap events if we're not looking for them */
       aevent->type = dri2GetSwapEventType(dpy, awire->drawable);