From ea8cb168b320aa0bcc6daf60d640963410112120 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Love=20H=C3=B6rnquist=20=C3=85strand?= <lha@kth.se>
Date: Sat, 14 Feb 2009 04:17:27 +0000
Subject: [PATCH] don't deref ops, they might be null.

git-svn-id: svn://svn.h5l.se/heimdal/trunk/heimdal@24690 ec53bebd-3082-4978-b11e-865c3cabbd6b
---
 lib/hx509/crypto.c | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/lib/hx509/crypto.c b/lib/hx509/crypto.c
index c5372c9c8..ef3f5624f 100644
--- a/lib/hx509/crypto.c
+++ b/lib/hx509/crypto.c
@@ -1453,9 +1453,14 @@ find_sig_alg(const heim_oid *oid)
 static const AlgorithmIdentifier *
 alg_for_privatekey(const hx509_private_key pk, int type)
 {
-    const heim_oid *keytype = pk->ops->key_oid;
+    const heim_oid *keytype;
     unsigned int i;
 
+    if (pk->ops == NULL)
+	return NULL;
+
+    keytype = pk->ops->key_oid;
+
     for (i = 0; sig_algs[i]; i++) {
 	if (sig_algs[i]->key_oid == NULL)
 	    continue;