From: Eric Dumazet <eric.dumazet@gmail.com>
Date: Wed, 19 Jan 2011 00:51:36 +0000 (+0000)
Subject: net: fix can_checksum_protocol() arguments swap
X-Git-Tag: v2.6.38-rc2~33^2~1
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=d402786ea4f8433774a812d6b8635e737425cddd;p=profile%2Fivi%2Fkernel-x86-ivi.git

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>
---

diff --git a/net/core/dev.c b/net/core/dev.c
index 4c58d11..8393ec40 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)) {