From: José Fonseca <jfonseca@vmware.com>
Date: Fri, 20 Feb 2009 11:35:46 +0000 (+0000)
Subject: wgl: Prevent null pointer reference.
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=a5c2570dc5a94dae8e50e0f8cd714b928aed695c;p=mesa.git

wgl: Prevent null pointer reference.
---

diff --git a/src/gallium/state_trackers/wgl/shared/stw_context.c b/src/gallium/state_trackers/wgl/shared/stw_context.c
index 0b996d788f9..1377fb1ec81 100644
--- a/src/gallium/state_trackers/wgl/shared/stw_context.c
+++ b/src/gallium/state_trackers/wgl/shared/stw_context.c
@@ -178,6 +178,9 @@ stw_delete_context(
    struct stw_context *ctx ;
    BOOL ret = FALSE;
    
+   if (!stw_dev)
+      return FALSE;
+
    pipe_mutex_lock( stw_dev->mutex );
 
    ctx = stw_lookup_context(hglrc);