fixed a segv in RPC-* when debug level > 2

thanks to Kai for spotting this!
(This used to be commit 0fc42c33d3b0930fdf1dc71a407f4fcaac69d82d)

diff --git a/source4/librpc/rpc/dcerpc_util.c b/source4/librpc/rpc/dcerpc_util.c
index 4e6cb20b7467770e2a58b403393f7c213bf5a47e..bd8249a9c9800b6cfa73e71e1e6adbc432dba11b 100644 (file)
--- a/source4/librpc/rpc/dcerpc_util.c
+++ b/source4/librpc/rpc/dcerpc_util.c
@@ -303,7 +303,7 @@ const char *dcerpc_binding_string(TALLOC_CTX *mem_ctx, const struct dcerpc_bindi
        /* this is a *really* inefficent way of dealing with strings,
           but this is rarely called and the strings are always short,
           so I don't care */
-       for (i=0;b->options[i];i++) {
+       for (i=0;b->options && b->options[i];i++) {
                s = talloc_asprintf(mem_ctx, "%s%s,", s, b->options[i]);
                if (!s) return NULL;
        }