diff options
| -rw-r--r-- | net/ipv4/netfilter/ipt_REJECT.c | 10 |
1 files changed, 5 insertions, 5 deletions
diff --git a/net/ipv4/netfilter/ipt_REJECT.c b/net/ipv4/netfilter/ipt_REJECT.c index f5f4a888e4ec..3d0e064bab54 100644 --- a/net/ipv4/netfilter/ipt_REJECT.c +++ b/net/ipv4/netfilter/ipt_REJECT.c @@ -95,10 +95,11 @@ static void send_reset(struct sk_buff *oldskb, int hook) } tcph->rst = 1; - tcph->check = tcp_v4_check(sizeof(struct tcphdr), - niph->saddr, niph->daddr, - csum_partial(tcph, - sizeof(struct tcphdr), 0)); + tcph->check = ~tcp_v4_check(sizeof(struct tcphdr), niph->saddr, + niph->daddr, 0); + nskb->ip_summed = CHECKSUM_PARTIAL; + nskb->csum_start = (unsigned char *)tcph - nskb->head; + nskb->csum_offset = offsetof(struct tcphdr, check); addr_type = RTN_UNSPEC; if (hook != NF_INET_FORWARD @@ -115,7 +116,6 @@ static void send_reset(struct sk_buff *oldskb, int hook) goto free_nskb; niph->ttl = dst_metric(skb_dst(nskb), RTAX_HOPLIMIT); - nskb->ip_summed = CHECKSUM_NONE; /* "Never happens" */ if (nskb->len > dst_mtu(skb_dst(nskb))) |
