diff options
| -rw-r--r-- | host/lib/usrp/b200/b200_impl.cpp | 8 |
1 files changed, 6 insertions, 2 deletions
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) |