diff options
Diffstat (limited to 'net/ipv4/netfilter/nf_nat_proto_udp.c')
| -rw-r--r-- | net/ipv4/netfilter/nf_nat_proto_udp.c | 16 |
1 files changed, 8 insertions, 8 deletions
diff --git a/net/ipv4/netfilter/nf_nat_proto_udp.c b/net/ipv4/netfilter/nf_nat_proto_udp.c index a0af4fd9558..cbf1a61e290 100644 --- a/net/ipv4/netfilter/nf_nat_proto_udp.c +++ b/net/ipv4/netfilter/nf_nat_proto_udp.c @@ -86,22 +86,22 @@ udp_unique_tuple(struct nf_conntrack_tuple *tuple, } static int -udp_manip_pkt(struct sk_buff **pskb, +udp_manip_pkt(struct sk_buff *skb, unsigned int iphdroff, const struct nf_conntrack_tuple *tuple, enum nf_nat_manip_type maniptype) { - struct iphdr *iph = (struct iphdr *)((*pskb)->data + iphdroff); + struct iphdr *iph = (struct iphdr *)(skb->data + iphdroff); struct udphdr *hdr; unsigned int hdroff = iphdroff + iph->ihl*4; __be32 oldip, newip; __be16 *portptr, newport; - if (!skb_make_writable(pskb, hdroff + sizeof(*hdr))) + if (!skb_make_writable(skb, hdroff + sizeof(*hdr))) return 0; - iph = (struct iphdr *)((*pskb)->data + iphdroff); - hdr = (struct udphdr *)((*pskb)->data + hdroff); + iph = (struct iphdr *)(skb->data + iphdroff); + hdr = (struct udphdr *)(skb->data + hdroff); if (maniptype == IP_NAT_MANIP_SRC) { /* Get rid of src ip and src pt */ @@ -116,9 +116,9 @@ udp_manip_pkt(struct sk_buff **pskb, newport = tuple->dst.u.udp.port; portptr = &hdr->dest; } - if (hdr->check || (*pskb)->ip_summed == CHECKSUM_PARTIAL) { - nf_proto_csum_replace4(&hdr->check, *pskb, oldip, newip, 1); - nf_proto_csum_replace2(&hdr->check, *pskb, *portptr, newport, + if (hdr->check || skb->ip_summed == CHECKSUM_PARTIAL) { + nf_proto_csum_replace4(&hdr->check, skb, oldip, newip, 1); + nf_proto_csum_replace2(&hdr->check, skb, *portptr, newport, 0); if (!hdr->check) hdr->check = CSUM_MANGLED_0; |