diff --git a/drivers/net/ethernet/intel/igc/igc_main.c b/drivers/net/ethernet/intel/igc/igc_main.c index f4082ea7beaa..45069dc0ccc6 100644 --- a/drivers/net/ethernet/intel/igc/igc_main.c +++ b/drivers/net/ethernet/intel/igc/igc_main.c @@ -4912,6 +4912,9 @@ static int igc_save_qbv_schedule(struct igc_adapter *adapter, return 0; } + if (qopt->base_time < 0) + return -ERANGE; + if (adapter->base_time) return -EALREADY;