diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_tc.c b/drivers/net/ethernet/stmicro/stmmac/stmmac_tc.c index 773e415cc2de..2cfb18cef1d4 100644 --- a/drivers/net/ethernet/stmicro/stmmac/stmmac_tc.c +++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_tc.c @@ -926,6 +926,9 @@ static int tc_setup_taprio(struct stmmac_priv *priv, int i, ret = 0; u64 ctr; + if (qopt->base_time < 0) + return -ERANGE; + if (!priv->dma_cap.estsel) return -EOPNOTSUPP;