Adding error checking to only use the cached fp if they're valid (#1182)

old-commit-hash: 5e9daf2471
6 years ago · 5a125fc7d6
parent 1cae066cda
commit 5a125fc7d6
1 changed files with 1 additions and 1 deletions
--- a/selfdrive/car/car_helpers.py
+++ b/selfdrive/car/car_helpers.py
@ -76,7 +76,7 @@ def fingerprint(logcan, sendcan, has_relay):
      if cached_params.carName == "mock":
        cached_params = None

-    if cached_params is not None:
+    if cached_params is not None and len(cached_params.carFw) > 0 and cached_params.carVin is not VIN_UNKNOWN:
      cloudlog.warning("Using cached CarParams")
      vin = cached_params.carVin
      car_fw = list(cached_params.carFw)