netdev - [PATCH 58/84] netfilter: only do skb_checksum_help on CHECKSUM_PARTIAL in nfnetlink

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Date:	Mon, 10 May 2010 22:18:29 +0200
From:	kaber@...sh.net
To:	davem@...emloft.net
Cc:	netfilter-devel@...r.kernel.org, netdev@...r.kernel.org
Subject: [PATCH 58/84] netfilter: only do skb_checksum_help on CHECKSUM_PARTIAL in nfnetlink_queue

From: Herbert Xu <herbert@...dor.apana.org.au>

As we will set ip_summed to CHECKSUM_NONE when necessary in
nfqnl_mangle, there is no need to zap CHECKSUM_COMPLETE in
nfqnl_build_packet_message.

Signed-off-by: Herbert Xu <herbert@...dor.apana.org.au>
Signed-off-by: Patrick McHardy <kaber@...sh.net>
---
 net/netfilter/nfnetlink_queue.c |    3 +--
 1 files changed, 1 insertions(+), 2 deletions(-)

diff --git a/net/netfilter/nfnetlink_queue.c b/net/netfilter/nfnetlink_queue.c
index 7ba4abc..08c1a33 100644
--- a/net/netfilter/nfnetlink_queue.c
+++ b/net/netfilter/nfnetlink_queue.c
@@ -245,8 +245,7 @@ nfqnl_build_packet_message(struct nfqnl_instance *queue,
 		break;
 
 	case NFQNL_COPY_PACKET:
-		if ((entskb->ip_summed == CHECKSUM_PARTIAL ||
-		     entskb->ip_summed == CHECKSUM_COMPLETE) &&
+		if (entskb->ip_summed == CHECKSUM_PARTIAL &&
 		    skb_checksum_help(entskb)) {
 			spin_unlock_bh(&queue->lock);
 			return NULL;
-- 
1.7.0.4

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