From 92896a8aabdb9a9b5b98d4a48e686d4eb78131cf Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Love=20H=C3=B6rnquist=20=C3=85strand?= <lha@kth.se>
Date: Thu, 11 Dec 2008 05:01:20 +0000
Subject: [PATCH] check that ctx is not a null ptr before deref cid#140

git-svn-id: svn://svn.h5l.se/heimdal/trunk/heimdal@24110 ec53bebd-3082-4978-b11e-865c3cabbd6b
---
 lib/gssapi/mech/gss_pseudo_random.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/lib/gssapi/mech/gss_pseudo_random.c b/lib/gssapi/mech/gss_pseudo_random.c
index b907f9403..771efcb43 100644
--- a/lib/gssapi/mech/gss_pseudo_random.c
+++ b/lib/gssapi/mech/gss_pseudo_random.c
@@ -45,7 +45,7 @@ gss_pseudo_random(OM_uint32 *minor_status,
 		  gss_buffer_t prf_out)
 {
     struct _gss_context *ctx = (struct _gss_context *) context;
-    gssapi_mech_interface m = ctx->gc_mech;
+    gssapi_mech_interface m;
     OM_uint32 major_status;
 
     _mg_buffer_zero(prf_out);
@@ -56,6 +56,8 @@ gss_pseudo_random(OM_uint32 *minor_status,
 	return GSS_S_NO_CONTEXT;
     }
 
+    m = ctx->gc_mech;
+
     if (m->gm_pseudo_random == NULL)
 	return GSS_S_UNAVAILABLE;