From d402786ea4f8433774a812d6b8635e737425cddd Mon Sep 17 00:00:00 2001
From: Eric Dumazet <eric.dumazet@gmail.com>
Date: Wed, 19 Jan 2011 00:51:36 +0000
Subject: [PATCH] net: fix can_checksum_protocol() arguments swap

commit 0363466866d901fbc (net offloading: Convert checksums to use
centrally computed features.) mistakenly swapped can_checksum_protocol()
arguments.

This broke IPv6 on bnx2 for instance, on NIC without TCPv6 checksum
offloads.

Reported-by: Hans de Bruin <jmdebruin@xmsnet.nl>
Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
Acked-by: Jesse Gross <jesse@nicira.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 net/core/dev.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/net/core/dev.c b/net/core/dev.c
index 4c58d11d3b68b7..8393ec408cd4d9 100644
--- a/net/core/dev.c
+++ b/net/core/dev.c
@@ -2001,7 +2001,7 @@ static bool can_checksum_protocol(unsigned long features, __be16 protocol)
 
 static int harmonize_features(struct sk_buff *skb, __be16 protocol, int features)
 {
-	if (!can_checksum_protocol(protocol, features)) {
+	if (!can_checksum_protocol(features, protocol)) {
 		features &= ~NETIF_F_ALL_CSUM;
 		features &= ~NETIF_F_SG;
 	} else if (illegal_highdma(skb->dev, skb)) {
-- 
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