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From:   Greg Kroah-Hartman <gregkh@linuxfoundation.org>
To:     linux-kernel@vger.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
        stable@vger.kernel.org, Benoit <benoit.sansoni@gmail.com>,
        Stephen Hemminger <stephen@networkplumber.org>,
        "David S. Miller" <davem@davemloft.net>
Subject: [PATCH 5.3 016/344] skge: fix checksum byte order
Date:   Thu,  3 Oct 2019 17:49:41 +0200
Message-Id: <20191003154541.689473938@linuxfoundation.org>
In-Reply-To: <20191003154540.062170222@linuxfoundation.org>
References: <20191003154540.062170222@linuxfoundation.org>
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From: Stephen Hemminger <stephen@networkplumber.org>

[ Upstream commit 5aafeb74b5bb65b34cc87c7623f9fa163a34fa3b ]

Running old skge driver on PowerPC causes checksum errors
because hardware reported 1's complement checksum is in little-endian
byte order.

Reported-by: Benoit <benoit.sansoni@gmail.com>
Signed-off-by: Stephen Hemminger <stephen@networkplumber.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
 drivers/net/ethernet/marvell/skge.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

--- a/drivers/net/ethernet/marvell/skge.c
+++ b/drivers/net/ethernet/marvell/skge.c
@@ -3108,7 +3108,7 @@ static struct sk_buff *skge_rx_get(struc
 	skb_put(skb, len);
 
 	if (dev->features & NETIF_F_RXCSUM) {
-		skb->csum = csum;
+		skb->csum = le16_to_cpu(csum);
 		skb->ip_summed = CHECKSUM_COMPLETE;
 	}