diff options
| -rw-r--r-- | net/ipv4/tcp_ipv4.c | 4 | ||||
| -rw-r--r-- | net/ipv6/tcp_ipv6.c | 19 |
2 files changed, 8 insertions, 15 deletions
diff --git a/net/ipv4/tcp_ipv4.c b/net/ipv4/tcp_ipv4.c index 5fbf965..2eb5884 100644 --- a/net/ipv4/tcp_ipv4.c +++ b/net/ipv4/tcp_ipv4.c @@ -111,7 +111,7 @@ void tcp_unhash(struct sock *sk) inet_unhash(&tcp_hashinfo, sk); } -static inline __u32 tcp_v4_init_sequence(struct sock *sk, struct sk_buff *skb) +static inline __u32 tcp_v4_init_sequence(struct sk_buff *skb) { return secure_tcp_sequence_number(skb->nh.iph->daddr, skb->nh.iph->saddr, @@ -859,7 +859,7 @@ int tcp_v4_conn_request(struct sock *sk, struct sk_buff *skb) goto drop_and_free; } - isn = tcp_v4_init_sequence(sk, skb); + isn = tcp_v4_init_sequence(skb); } tcp_rsk(req)->snt_isn = isn; diff --git a/net/ipv6/tcp_ipv6.c b/net/ipv6/tcp_ipv6.c index 06b536b..9a8e690 100644 --- a/net/ipv6/tcp_ipv6.c +++ b/net/ipv6/tcp_ipv6.c @@ -106,19 +106,12 @@ static __inline__ u16 tcp_v6_check(struct tcphdr *th, int len, return csum_ipv6_magic(saddr, daddr, len, IPPROTO_TCP, base); } -static __u32 tcp_v6_init_sequence(struct sock *sk, struct sk_buff *skb) +static __u32 tcp_v6_init_sequence(struct sk_buff *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, - skb->h.th->dest, - skb->h.th->source); - } else { - return secure_tcp_sequence_number(skb->nh.iph->daddr, - skb->nh.iph->saddr, - skb->h.th->dest, - skb->h.th->source); - } + return secure_tcpv6_sequence_number(skb->nh.ipv6h->daddr.s6_addr32, + skb->nh.ipv6h->saddr.s6_addr32, + skb->h.th->dest, + skb->h.th->source); } static int tcp_v6_connect(struct sock *sk, struct sockaddr *uaddr, @@ -822,7 +815,7 @@ static int tcp_v6_conn_request(struct sock *sk, struct sk_buff *skb) treq->iif = inet6_iif(skb); if (isn == 0) - isn = tcp_v6_init_sequence(sk,skb); + isn = tcp_v6_init_sequence(skb); tcp_rsk(req)->snt_isn = isn; |
