analyze-kconfig: bail out if --filter-param was too restrictive

1 files changed, 7 insertions, 0 deletions

diff --git a/bin/analyze-kconfig.py b/bin/analyze-kconfig.py
index fb749e7..04b8c7b 100755
--- a/bin/analyze-kconfig.py
+++ b/bin/analyze-kconfig.py
@@ -13,6 +13,7 @@ import json
 import kconfiglib
 import logging
 import os
+import sys
 import time
 
 import numpy as np
@@ -225,6 +226,12 @@ def main():
     )
     constructor_duration = time.time() - constructor_start
 
+    if not model.names:
+        logging.error(
+            f"Model contains no names. Is --filter-param={args.filter_param} set too restrictive?"
+        )
+        sys.exit(1)
+
     if args.info:
         dfatool.cli.print_info_by_name(model, by_name)