net: ethernet: mtk_eth_soc: check max allowed hash in mtk_ppe_check_skb

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[ Upstream commit f27b405ef4 ]

Even if max hash configured in hw in mtk_ppe_hash_entry is
MTK_PPE_ENTRIES - 1, check theoretical OOB accesses in
mtk_ppe_check_skb routine

Fixes: c4f033d9e0 ("net: ethernet: mtk_eth_soc: rework hardware flow table management")
Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Sasha Levin <sashal@kernel.org>

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Lorenzo Bianconi 2022-09-05 14:41:28 +02:00 • committed by Greg Kroah-Hartman

parent 0378b06e61

commit e484616810

1 changed files with 3 additions and 0 deletions

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drivers/net/ethernet/mediatek/mtk_ppe.h

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