utils: Deny positional options in uhd_image_loader

This change prevents invalid positional options from being accepted into
uhd_image_loader. Previously, if a user forgot to specify the option
type, uhd_image_loader would proceed and look like it succeeded, but the
intended image may not have been loaded.

1 files changed, 3 insertions, 1 deletions

diff --git a/host/utils/uhd_image_loader.cpp b/host/utils/uhd_image_loader.cpp
index 57ad57958..87dc22b5c 100644
--- a/host/utils/uhd_image_loader.cpp
+++ b/host/utils/uhd_image_loader.cpp
@@ -63,7 +63,9 @@ int UHD_SAFE_MAIN(int argc, char* argv[])
     // clang-format on
 
     po::variables_map vm;
-    po::store(po::parse_command_line(argc, argv, desc), vm);
+    po::positional_options_description pos_desc;
+    po::store(
+        po::command_line_parser(argc, argv).options(desc).positional(pos_desc).run(), vm);
     po::notify(vm);
 
     // Help message