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-rw-r--r--net/dccp/ipv4.c5
-rw-r--r--net/dccp/ipv6.c20
2 files changed, 8 insertions, 17 deletions
diff --git a/net/dccp/ipv4.c b/net/dccp/ipv4.c
index 84c05405984e..b56a2fa2694a 100644
--- a/net/dccp/ipv4.c
+++ b/net/dccp/ipv4.c
@@ -366,8 +366,7 @@ void dccp_v4_send_check(struct sock *sk, int unused, struct sk_buff *skb)
EXPORT_SYMBOL_GPL(dccp_v4_send_check);
-static inline u64 dccp_v4_init_sequence(const struct sock *sk,
- const struct sk_buff *skb)
+static inline u64 dccp_v4_init_sequence(const struct sk_buff *skb)
{
return secure_dccp_sequence_number(skb->nh.iph->daddr,
skb->nh.iph->saddr,
@@ -663,7 +662,7 @@ int dccp_v4_conn_request(struct sock *sk, struct sk_buff *skb)
*/
dreq = dccp_rsk(req);
dreq->dreq_isr = dcb->dccpd_seq;
- dreq->dreq_iss = dccp_v4_init_sequence(sk, skb);
+ dreq->dreq_iss = dccp_v4_init_sequence(skb);
dreq->dreq_service = service;
if (dccp_v4_send_response(sk, req, NULL))
diff --git a/net/dccp/ipv6.c b/net/dccp/ipv6.c
index 193b946fd039..a08af75ddc9e 100644
--- a/net/dccp/ipv6.c
+++ b/net/dccp/ipv6.c
@@ -76,20 +76,12 @@ static inline void dccp_v6_send_check(struct sock *sk, int unused_value,
dh->dccph_checksum = dccp_v6_csum_finish(skb, &np->saddr, &np->daddr);
}
-static __u32 dccp_v6_init_sequence(struct sock *sk, struct sk_buff *skb)
+static inline __u32 dccp_v6_init_sequence(const struct sk_buff *skb)
{
- const struct dccp_hdr *dh = dccp_hdr(skb);
-
- if (skb->protocol == htons(ETH_P_IPV6))
- return secure_tcpv6_sequence_number(skb->nh.ipv6h->daddr.s6_addr32,
- skb->nh.ipv6h->saddr.s6_addr32,
- dh->dccph_dport,
- dh->dccph_sport);
-
- return secure_dccp_sequence_number(skb->nh.iph->daddr,
- skb->nh.iph->saddr,
- dh->dccph_dport,
- dh->dccph_sport);
+ return secure_tcpv6_sequence_number(skb->nh.ipv6h->daddr.s6_addr32,
+ skb->nh.ipv6h->saddr.s6_addr32,
+ dccp_hdr(skb)->dccph_dport,
+ dccp_hdr(skb)->dccph_sport );
}
static void dccp_v6_err(struct sk_buff *skb, struct inet6_skb_parm *opt,
@@ -491,7 +483,7 @@ static int dccp_v6_conn_request(struct sock *sk, struct sk_buff *skb)
*/
dreq = dccp_rsk(req);
dreq->dreq_isr = dcb->dccpd_seq;
- dreq->dreq_iss = dccp_v6_init_sequence(sk, skb);
+ dreq->dreq_iss = dccp_v6_init_sequence(skb);
dreq->dreq_service = service;
if (dccp_v6_send_response(sk, req, NULL))