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-rw-r--r--host/lib/usrp/b200/b200_io_impl.cpp4
1 files changed, 2 insertions, 2 deletions
diff --git a/host/lib/usrp/b200/b200_io_impl.cpp b/host/lib/usrp/b200/b200_io_impl.cpp
index cf5ba7a11..3e156f9bb 100644
--- a/host/lib/usrp/b200/b200_io_impl.cpp
+++ b/host/lib/usrp/b200/b200_io_impl.cpp
@@ -194,7 +194,7 @@ boost::optional<uhd::msg_task::msg_type_t> b200_impl::handle_async_task(
{
managed_recv_buffer::sptr buff = xport->get_recv_buff();
if (not buff or buff->size() < 8)
- return NULL;
+ return uhd::msg_task::msg_type_t(0, uhd::msg_task::msg_payload_t());
const boost::uint32_t sid = uhd::wtohx(buff->cast<const boost::uint32_t *>()[1]);
switch (sid) {
@@ -258,7 +258,7 @@ boost::optional<uhd::msg_task::msg_type_t> b200_impl::handle_async_task(
default:
UHD_MSG(error) << "Got a ctrl packet with unknown SID " << sid << std::endl;
}
- return NULL;
+ return uhd::msg_task::msg_type_t(0, uhd::msg_task::msg_payload_t());
}
/***********************************************************************