From 14cdb0786578f3b01fe9e87d6ce13212893eec4f Mon Sep 17 00:00:00 2001
From: Bastian Bloessl <bloessl@ccs-labs.org>
Date: Mon, 18 Aug 2014 07:38:39 +0200
Subject: [PATCH] ofdm_mapper: avoid double free error when stopping the flow
 graph

Thanks to Daniel Maier for reporting the bug.
---
 lib/ofdm_mapper.cc | 1 +
 1 file changed, 1 insertion(+)

diff --git a/lib/ofdm_mapper.cc b/lib/ofdm_mapper.cc
index 62dffe2..ebf0175 100644
--- a/lib/ofdm_mapper.cc
+++ b/lib/ofdm_mapper.cc
@@ -157,6 +157,7 @@ int general_work(int noutput, gr_vector_int& ninput_items,
 	if(d_symbols_offset == d_symbols_len) {
 		d_symbols_offset = 0;
 		free(d_symbols);
+		d_symbols = 0;
 	}
 
 	return i;