netdev - [PATCH net-next 5.12 7/8] net: broadcom: bcm4908

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Date:   Thu, 11 Feb 2021 13:12:38 +0100
From:   Rafał Miłecki <zajec5@...il.com>
To:     "David S . Miller" <davem@...emloft.net>,
        Jakub Kicinski <kuba@...nel.org>,
        Rob Herring <robh+dt@...nel.org>
Cc:     Florian Fainelli <f.fainelli@...il.com>,
        Randy Dunlap <rdunlap@...radead.org>,
        Masahiro Yamada <masahiroy@...nel.org>, netdev@...r.kernel.org,
        devicetree@...r.kernel.org, bcm-kernel-feedback-list@...adcom.com,
        Andrew Lunn <andrew@...n.ch>,
        Rafał Miłecki <rafal@...ecki.pl>
Subject: [PATCH net-next 5.12 7/8] net: broadcom: bcm4908_enet: fix received skb length

From: Rafał Miłecki <rafal@...ecki.pl>

Use ETH_FCS_LEN instead of magic value and drop incorrect + 2

Signed-off-by: Rafał Miłecki <rafal@...ecki.pl>
---
 drivers/net/ethernet/broadcom/bcm4908_enet.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/net/ethernet/broadcom/bcm4908_enet.c b/drivers/net/ethernet/broadcom/bcm4908_enet.c
index 47c1b7d827c5..2e825db3b2f1 100644
--- a/drivers/net/ethernet/broadcom/bcm4908_enet.c
+++ b/drivers/net/ethernet/broadcom/bcm4908_enet.c
@@ -567,7 +567,7 @@ static int bcm4908_enet_poll(struct napi_struct *napi, int weight)
 
 		dma_unmap_single(dev, slot.dma_addr, slot.len, DMA_FROM_DEVICE);
 
-		skb_put(slot.skb, len - 4 + 2);
+		skb_put(slot.skb, len - ETH_FCS_LEN);
 		slot.skb->protocol = eth_type_trans(slot.skb, enet->netdev);
 		netif_receive_skb(slot.skb);
 
-- 
2.26.2