clean up some dead code

diff --git a/filter.c b/filter.c
index fef7005239c58608614fcea49036bfd708551b7f..5075bd1ff38d7557a0179bcf0f1e0cf05d6db000 100644 (file)
--- a/filter.c
+++ b/filter.c
@@ -1,7 +1,7 @@
 /*
  * This file is part of the sigrok project.
  *
- * Copyright (C) 2010 Bert Vermeulen <bert@biot.com>
+ * Copyright (C) 2012 Bert Vermeulen <bert@biot.com>
  *
  * This program is free software: you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
@@ -101,11 +101,6 @@ int sr_filter_probes(int in_unitsize, int out_unitsize, const int *probelist,
                return SR_ERR_ARG;
        }
 
-       if (!length_out) {
-               sr_err("filter: %s: length_out was NULL", __func__);
-               return SR_ERR_ARG;
-       }
-
        num_enabled_probes = 0;
        for (i = 0; probelist[i]; i++)
                num_enabled_probes++;