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net: stmmac: Add check for taprio basetime configuration

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Adds a boundary check to prevent negative basetime input from user
while configuring taprio.

Signed-off-by: Michael Sit Wei Hong <michael.wei.hong.sit@intel.com>
Signed-off-by: Lai Peter Jun Ann <jun.ann.lai@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Michael Sit Wei Hong 2022-12-08 17:03:15 +08:00 committed by David S. Miller
parent 93c60b5974
commit 6d534ee057
1 changed files with 3 additions and 0 deletions
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3
drivers/net/ethernet/stmicro/stmmac/stmmac_tc.c
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@ -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;