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>

diff --git a/net/ipv6/netfilter/ip6_queue.c b/net/ipv6/netfilter/ip6_queue.c
index 7854052..39856a2 100644 (file)
--- a/net/ipv6/netfilter/ip6_queue.c
+++ b/net/ipv6/netfilter/ip6_queue.c
@@ -161,8 +161,7 @@ ipq_build_packet_message(struct nf_queue_entry *entry, int *errp)
                break;
 
        case IPQ_COPY_PACKET:
-               if ((entry->skb->ip_summed == CHECKSUM_PARTIAL ||
-                    entry->skb->ip_summed == CHECKSUM_COMPLETE) &&
+               if (entry->skb->ip_summed == CHECKSUM_PARTIAL &&
                    (*errp = skb_checksum_help(entry->skb))) {
                        read_unlock_bh(&queue_lock);
                        return NULL;