validate_failures.py: Fix only_for_subset option
Change-Id: Ide7776e01bd548c89a2995fef2f06beada98a99a
diff --git a/contrib/testsuite-management/validate_failures.py b/contrib/testsuite-management/validate_failures.py
index 4afbfbe..5dbeae1 100755
--- a/contrib/testsuite-management/validate_failures.py
+++ b/contrib/testsuite-management/validate_failures.py
@@ -741,7 +741,9 @@
manifest = GetManifest(manifest_path)
sum_files = GetSumFiles(_OPTIONS.results, _OPTIONS.build_dir)
actual = GetResults(sum_files)
- subset = GetResults([ _OPTIONS.only_for_subset ])
+ subset = None
+ if _OPTIONS.only_for_subset:
+ subset = GetResults([ _OPTIONS.only_for_subset ])
if _OPTIONS.verbosity >= 5:
print('\n\nTests expected to fail')