s4/rpc/dcerpc_connect: no crash on NULL dest_host

Signed-off-by: Douglas Bagnall <douglas.bagnall@catalyst.net.nz>
Reviewed-by: Noel Power <npower@samba.org>

diff --git a/source4/librpc/rpc/dcerpc_connect.c b/source4/librpc/rpc/dcerpc_connect.c
index 4c0ed15396f42abb757430b7a86d258dbfc99c98..ad355fc3c4d104e87a6b3a28dc3544f137de1018 100644 (file)
--- a/source4/librpc/rpc/dcerpc_connect.c
+++ b/source4/librpc/rpc/dcerpc_connect.c
@@ -226,7 +226,7 @@ static struct composite_context *dcerpc_pipe_connect_ncacn_np_smb_send(TALLOC_CT
                target_hostname = conn->in.dest_host;
        }
 
-       if (is_ipaddress(conn->in.dest_host)) {
+       if (conn->in.dest_host != NULL && is_ipaddress(conn->in.dest_host)) {
                dest_address = conn->in.dest_host;
        }