From 9e8bb7e7d6a8191ff582c40665d1d85ff55328e6 Mon Sep 17 00:00:00 2001
From: Andrew Lynch <andrew.lynch@ni.com>
Date: Wed, 4 May 2016 15:43:38 -0700
Subject: b200: Changed tree sptr in lambda to wptr

---
 host/lib/usrp/b200/b200_impl.cpp | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

(limited to 'host')

diff --git a/host/lib/usrp/b200/b200_impl.cpp b/host/lib/usrp/b200/b200_impl.cpp
index 327d7760d..3c9fe2e27 100644
--- a/host/lib/usrp/b200/b200_impl.cpp
+++ b/host/lib/usrp/b200/b200_impl.cpp
@@ -33,6 +33,7 @@
 #include <boost/lexical_cast.hpp>
 #include <boost/functional/hash.hpp>
 #include <boost/make_shared.hpp>
+#include <boost/weak_ptr.hpp>
 #include <cstdio>
 #include <ctime>
 #include <cmath>
@@ -731,9 +732,12 @@ b200_impl::~b200_impl(void)
  * setup radio control objects
  **********************************************************************/
 
-void lambda_set_bool_prop(property_tree::sptr tree, fs_path path, bool value, double)
+void lambda_set_bool_prop(boost::weak_ptr<property_tree> tree_wptr, fs_path path, bool value, double)
 {
-    tree->access<bool>(path).set(value);
+    property_tree::sptr tree = tree_wptr.lock();
+    if (tree) {
+        tree->access<bool>(path).set(value);
+    }
 }
 
 void b200_impl::setup_radio(const size_t dspno)
-- 
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