diff options
Diffstat (limited to 'net/netfilter/ipvs')
| -rw-r--r-- | net/netfilter/ipvs/ip_vs_proto_sctp.c | 23 |
1 files changed, 3 insertions, 20 deletions
diff --git a/net/netfilter/ipvs/ip_vs_proto_sctp.c b/net/netfilter/ipvs/ip_vs_proto_sctp.c index 3c0da87..23e596e 100644 --- a/net/netfilter/ipvs/ip_vs_proto_sctp.c +++ b/net/netfilter/ipvs/ip_vs_proto_sctp.c @@ -66,15 +66,7 @@ sctp_conn_schedule(int af, struct sk_buff *skb, struct ip_vs_proto_data *pd, static void sctp_nat_csum(struct sk_buff *skb, sctp_sctphdr_t *sctph, unsigned int sctphoff) { - __u32 crc32; - struct sk_buff *iter; - - crc32 = sctp_start_cksum((__u8 *)sctph, skb_headlen(skb) - sctphoff); - skb_walk_frags(skb, iter) - crc32 = sctp_update_cksum((u8 *) iter->data, - skb_headlen(iter), crc32); - sctph->checksum = sctp_end_cksum(crc32); - + sctph->checksum = sctp_compute_cksum(skb, sctphoff); skb->ip_summed = CHECKSUM_UNNECESSARY; } @@ -151,10 +143,7 @@ sctp_csum_check(int af, struct sk_buff *skb, struct ip_vs_protocol *pp) { unsigned int sctphoff; struct sctphdr *sh, _sctph; - struct sk_buff *iter; - __le32 cmp; - __le32 val; - __u32 tmp; + __le32 cmp, val; #ifdef CONFIG_IP_VS_IPV6 if (af == AF_INET6) @@ -168,13 +157,7 @@ sctp_csum_check(int af, struct sk_buff *skb, struct ip_vs_protocol *pp) return 0; cmp = sh->checksum; - - tmp = sctp_start_cksum((__u8 *) sh, skb_headlen(skb)); - skb_walk_frags(skb, iter) - tmp = sctp_update_cksum((__u8 *) iter->data, - skb_headlen(iter), tmp); - - val = sctp_end_cksum(tmp); + val = sctp_compute_cksum(skb, sctphoff); if (val != cmp) { /* CRC failure, dump it. */ |