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netfilter: only do skb_checksum_help on CHECKSUM_PARTIAL in ip6_queue 

As we will set ip_summed to CHECKSUM_NONE when necessary in
ipq_mangle_ipv6, there is no need to zap CHECKSUM_COMPLETE in
ipq_build_packet_message.

Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: Patrick McHardy <kaber@trash.net>
This commit is contained in:
Herbert Xu 2010-04-08 14:53:40 +02:00 committed by Patrick McHardy
parent 9e56c21486
commit 5dd59cc991
1 changed files with 1 additions and 2 deletions
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3
net/ipv6/netfilter/ip6_queue.c
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@ -161,8 +161,7 @@ ipq_build_packet_message(struct nf_queue_entry *entry, int *errp)
break; break;
case IPQ_COPY_PACKET: case IPQ_COPY_PACKET:
if ((entry->skb->ip_summed == CHECKSUM_PARTIAL || if (entry->skb->ip_summed == CHECKSUM_PARTIAL &&
entry->skb->ip_summed == CHECKSUM_COMPLETE) &&
(*errp = skb_checksum_help(entry->skb))) { (*errp = skb_checksum_help(entry->skb))) {
read_unlock_bh(&queue_lock); read_unlock_bh(&queue_lock);
return NULL; return NULL;