netdev - [PATCH net-next v3 12/13] net: airoha: ppe: Do not use magic numbers in airoha_ppe_foe_get_entry

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Message-Id: <20251017-an7583-eth-support-v3-12-f28319666667@kernel.org>
Date: Fri, 17 Oct 2025 11:06:21 +0200
From: Lorenzo Bianconi <lorenzo@...nel.org>
To: Andrew Lunn <andrew+netdev@...n.ch>, 
 "David S. Miller" <davem@...emloft.net>, Eric Dumazet <edumazet@...gle.com>, 
 Jakub Kicinski <kuba@...nel.org>, Paolo Abeni <pabeni@...hat.com>, 
 Rob Herring <robh@...nel.org>, Krzysztof Kozlowski <krzk+dt@...nel.org>, 
 Conor Dooley <conor+dt@...nel.org>, Philipp Zabel <p.zabel@...gutronix.de>, 
 Lorenzo Bianconi <lorenzo@...nel.org>
Cc: linux-arm-kernel@...ts.infradead.org, 
 linux-mediatek@...ts.infradead.org, netdev@...r.kernel.org, 
 devicetree@...r.kernel.org, Simon Horman <horms@...nel.org>
Subject: [PATCH net-next v3 12/13] net: airoha: ppe: Do not use magic
 numbers in airoha_ppe_foe_get_entry_locked()

Explicit the size of entries pointed by hwe pointer in
airoha_ppe_foe_get_entry_locked routine

Reviewed-by: Simon Horman <horms@...nel.org>
Signed-off-by: Lorenzo Bianconi <lorenzo@...nel.org>
---
 drivers/net/ethernet/airoha/airoha_ppe.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/net/ethernet/airoha/airoha_ppe.c b/drivers/net/ethernet/airoha/airoha_ppe.c
index 4b038673cefe20b47c42dd1419c05b57d4d6c64d..eda95107cd1daf6ff00a85abc72313a509ed67e9 100644
--- a/drivers/net/ethernet/airoha/airoha_ppe.c
+++ b/drivers/net/ethernet/airoha/airoha_ppe.c
@@ -619,7 +619,8 @@ airoha_ppe_foe_get_entry_locked(struct airoha_ppe *ppe, u32 hash)
 					     REG_PPE_RAM_CTRL(ppe2)))
 			return NULL;

-		for (i = 0; i < sizeof(struct airoha_foe_entry) / 4; i++)
+		for (i = 0; i < sizeof(struct airoha_foe_entry) / sizeof(*hwe);
+		     i++)
 			hwe[i] = airoha_fe_rr(eth,
 					      REG_PPE_RAM_ENTRY(ppe2, i));
 	}

-- 
2.51.0