From e815faa792a22844b273fe6b0bda9557af1a4a7e Mon Sep 17 00:00:00 2001
From: Bastian Bloessl <bloessl@ccs-labs.org>
Date: Tue, 1 Mar 2016 07:40:43 -0800
Subject: [PATCH] fix use after free

---
 lib/ofdm_mac.cc | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/ofdm_mac.cc b/lib/ofdm_mac.cc
index b16dd2f..6f5ec7a 100644
--- a/lib/ofdm_mac.cc
+++ b/lib/ofdm_mac.cc
@@ -83,6 +83,7 @@ void app_in (pmt::pmt_t msg) {
 
 	size_t       msg_len;
 	const char   *msdu;
+	std::string  str;
 
 	if(pmt::is_eof_object(msg)) {
 		message_port_pub(pmt::mp("phy out"), pmt::PMT_EOF);
@@ -91,7 +92,6 @@ void app_in (pmt::pmt_t msg) {
 
 	} else if(pmt::is_symbol(msg)) {
 
-		std::string  str;
 		str = pmt::symbol_to_string(msg);
 		msg_len = str.length();
 		msdu = str.data();