From: Rohan G Thomas <rohan.g.thomas@altera.com>
Fix the bounds checks for the hw supported maximum GCL entry
count and gate interval time.
Fixes: b60189e0392f ("net: stmmac: Integrate EST with TAPRIO scheduler API")
Signed-off-by: Rohan G Thomas <rohan.g.thomas@altera.com>
Reviewed-by: Matthew Gerlach <matthew.gerlach@altera.com>
---
drivers/net/ethernet/stmicro/stmmac/stmmac_tc.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_tc.c b/drivers/net/ethernet/stmicro/stmmac/stmmac_tc.c
index 694d6ee1438197bd4434af6e9b78f022e94ff98f..9c84bde848263976cf08f286751ee09e2dbac09b 100644
--- a/drivers/net/ethernet/stmicro/stmmac/stmmac_tc.c
+++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_tc.c
@@ -981,7 +981,7 @@ static int tc_taprio_configure(struct stmmac_priv *priv,
if (qopt->cmd == TAPRIO_CMD_DESTROY)
goto disable;
- if (qopt->num_entries >= dep)
+ if (qopt->num_entries > dep)
return -EINVAL;
if (!qopt->cycle_time)
return -ERANGE;
@@ -1012,7 +1012,7 @@ static int tc_taprio_configure(struct stmmac_priv *priv,
s64 delta_ns = qopt->entries[i].interval;
u32 gates = qopt->entries[i].gate_mask;
- if (delta_ns > GENMASK(wid, 0))
+ if (delta_ns > GENMASK(wid - 1, 0))
return -ERANGE;
if (gates > GENMASK(31 - wid, 0))
return -ERANGE;
--
2.26.2