fingerprints: prevent global from changing (#29438)

prevent _FINGERPRINTS from changing old-commit-hash: 25ac9e2148
2 years ago · 2d42b7bd1d
parent edbd5d330e
commit 2d42b7bd1d
1 changed files with 2 additions and 3 deletions
--- a/selfdrive/car/fingerprints.py
+++ b/selfdrive/car/fingerprints.py
@ -29,9 +29,8 @@ def eliminate_incompatible_cars(msg, candidate_cars):
    car_fingerprints = _FINGERPRINTS[car_name]

    for fingerprint in car_fingerprints:
-      fingerprint.update(_DEBUG_ADDRESS)  # add alien debug address
-
-      if is_valid_for_fingerprint(msg, fingerprint):
+      # add alien debug address
+      if is_valid_for_fingerprint(msg, fingerprint | _DEBUG_ADDRESS):
        compatible_cars.append(car_name)
        break