heimdal Don't dereference NULL in error verify_checksum error path

Autobuild-User: Andrew Bartlett <abartlet@samba.org>
Autobuild-Date: Thu Nov 11 10:37:03 UTC 2010 on sn-devel-104

diff --git a/source4/heimdal/lib/krb5/crypto.c b/source4/heimdal/lib/krb5/crypto.c
index 006028b60192cb2318d596678a50988beac89652..d5d9c1d9d552b864f2f61a1e15e5d0e5220489ed 100644 (file)
--- a/source4/heimdal/lib/krb5/crypto.c
+++ b/source4/heimdal/lib/krb5/crypto.c
@@ -1945,7 +1945,7 @@ verify_checksum(krb5_context context,
        krb5_set_error_message(context, ret,
                               N_("Decrypt integrity check failed for checksum "
                                  "type %s, key type %s", ""),
-                              ct->name, crypto->et->name);
+                              ct->name, crypto ? crypto->et->name : "(unkeyed)");
     } else {
        ret = 0;
     }