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hte: tegra-194: Fix off by one in tegra_hte_map_to_line_id()

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[ Upstream commit e078180d66848a6a890daf0a3ce28dc43cc66790 ]

The "map_sz" is the number of elements in the "m" array so the >
comparison needs to be changed to >= to prevent an out of bounds
read.

Fixes: 09574cca6a ("hte: Add Tegra194 HTE kernel provider")
Signed-off-by: Dan Carpenter <dan.carpenter@linaro.org>
Acked-by: Dipen Patel <dipenp@nvidia.com>
Signed-off-by: Dipen Patel <dipenp@nvidia.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Dan Carpenter 2023-04-19 17:30:00 +03:00 • committed by Greg Kroah-Hartman
parent a51e150ef9
commit fed87ce073
1 changed files with 1 additions and 1 deletions
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2
drivers/hte/hte-tegra194.c
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@ -251,7 +251,7 @@ static int tegra_hte_map_to_line_id(u32 eid,
{ {
if (m) { if (m) {
if (eid > map_sz) if (eid >= map_sz)
return -EINVAL; return -EINVAL;
if (m[eid].slice == NV_AON_SLICE_INVALID) if (m[eid].slice == NV_AON_SLICE_INVALID)
return -EINVAL; return -EINVAL;