The attached patch should do.
From ab34026885f98914efa6ad671f3446621124a55a Mon Sep 17 00:00:00 2001
From: Henri Verbeet <hverb...@gmail.com>
Date: Mon, 31 Jan 2011 18:09:19 +0100
Subject: [PATCH 1/1] glx: Properly check for a valid fd in dri2CreateScreen().
---
src/glx/dri2_glx.c | 4 +++-
1 files changed, 3 insertions(+), 1 deletions(-)
diff --git a/src/glx/dri2_glx.c b/src/glx/dri2_glx.c
index ab7915c..a275ba5 100644
--- a/src/glx/dri2_glx.c
+++ b/src/glx/dri2_glx.c
@@ -804,6 +804,8 @@ dri2CreateScreen(int screen, struct glx_display * priv)
return NULL;
memset(psc, 0, sizeof *psc);
+ psc->fd = -1;
+
if (!glx_screen_init(&psc->base, screen, priv)) {
Xfree(psc);
return NULL;
@@ -921,7 +923,7 @@ dri2CreateScreen(int screen, struct glx_display * priv)
return &psc->base;
handle_error:
- if (psc->fd)
+ if (psc->fd >= 0)
close(psc->fd);
if (psc->driver)
dlclose(psc->driver);
--
1.7.2.3
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