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36d0690993
Prevents invalid flow table data from leaking across reboots Fixes: https://github.com/openwrt/openwrt/issues/19895 Signed-off-by: Felix Fietkau <nbd@nbd.name>
28 lines
826 B
Diff
28 lines
826 B
Diff
From: Felix Fietkau <nbd@nbd.name>
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Date: Fri, 12 Sep 2025 14:18:14 +0200
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Subject: [PATCH] net: ethernet: mtk_eth_soc: zero initialize PPE flow table
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Avoid picking up flows from last boot or other invalid data
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Signed-off-by: Felix Fietkau <nbd@nbd.name>
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---
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--- a/drivers/net/ethernet/mediatek/mtk_ppe.c
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+++ b/drivers/net/ethernet/mediatek/mtk_ppe.c
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@@ -914,6 +914,7 @@ struct mtk_ppe *mtk_ppe_init(struct mtk_
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if (!foe)
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goto err_free_l2_flows;
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+ memset(foe, 0, MTK_PPE_ENTRIES * soc->foe_entry_size);
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ppe->foe_table = foe;
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foe_flow_size = (MTK_PPE_ENTRIES / soc->hash_offset) *
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@@ -928,6 +929,7 @@ struct mtk_ppe *mtk_ppe_init(struct mtk_
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if (!mib)
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return NULL;
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+ memset(mib, 0, MTK_PPE_ENTRIES * sizeof(*mib));
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ppe->mib_table = mib;
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acct = devm_kzalloc(dev, MTK_PPE_ENTRIES * sizeof(*acct),
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