zero length echo is not an error

(This used to be commit f21d6351d0441e5bc77aca07a2863ef9f999bb92)

diff --git a/source4/rpc_server/echo/rpc_echo.c b/source4/rpc_server/echo/rpc_echo.c
index 1d3846aaffab2203f78e07a48a696d1aea83f16e..9d2c72e1b6dead875d63b808a095b1e4fad1a96c 100644 (file)
--- a/source4/rpc_server/echo/rpc_echo.c
+++ b/source4/rpc_server/echo/rpc_echo.c
@@ -31,6 +31,10 @@ static NTSTATUS echo_AddOne(struct dcesrv_state *dce, TALLOC_CTX *mem_ctx, struc
 
 static NTSTATUS echo_EchoData(struct dcesrv_state *dce, TALLOC_CTX *mem_ctx, struct echo_EchoData *r)
 {
+       if (!r->in.len) {
+               return NT_STATUS_OK;
+       }
+
        r->out.out_data = talloc(mem_ctx, r->in.len);
        if (!r->out.out_data) {
                return NT_STATUS_NO_MEMORY;