From de0ec914cccb44d593c0dc929e0d7723257e3b48 Mon Sep 17 00:00:00 2001
From: Matias Fontanini <matias.fontanini@gmail.com>
Date: Wed, 4 Sep 2013 16:34:24 -0300
Subject: [PATCH] Fixed bug in RadioTap. The flags field was being used even if
 it was not present.

---
 src/radiotap.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/radiotap.cpp b/src/radiotap.cpp
index 52ec033..2a8868c 100644
--- a/src/radiotap.cpp
+++ b/src/radiotap.cpp
@@ -135,7 +135,7 @@ RadioTap::RadioTap(const uint8_t *buffer, uint32_t total_sz)
     total_sz -= Endian::le_to_host(_radio.it_len);
     buffer += radiotap_hdr_size;
 
-    if((flags() & FCS) != 0) {
+    if(_radio.flags && (flags() & FCS) != 0) {
         check_size(total_sz, sizeof(uint32_t));
         total_sz -= sizeof(uint32_t);
         if((flags() & FAILED_FCS) !=0)