From 57b47553f65e12e2e4f1608168374b0e651de843 Mon Sep 17 00:00:00 2001 From: Octavian Purdila Date: Wed, 25 Jun 2014 17:09:50 +0300 Subject: [PATCH] tcp: cookie_v4_init_sequence: skb should be const Signed-off-by: Octavian Purdila Signed-off-by: David S. Miller --- include/net/tcp.h | 5 +++-- net/ipv4/syncookies.c | 3 ++- 2 files changed, 5 insertions(+), 3 deletions(-) diff --git a/include/net/tcp.h b/include/net/tcp.h index 06a3023080c0..39e47c4e4f19 100644 --- a/include/net/tcp.h +++ b/include/net/tcp.h @@ -493,10 +493,11 @@ static inline u32 tcp_cookie_time(void) u32 __cookie_v4_init_sequence(const struct iphdr *iph, const struct tcphdr *th, u16 *mssp); -__u32 cookie_v4_init_sequence(struct sock *sk, struct sk_buff *skb, __u16 *mss); +__u32 cookie_v4_init_sequence(struct sock *sk, const struct sk_buff *skb, + __u16 *mss); #else static inline __u32 cookie_v4_init_sequence(struct sock *sk, - struct sk_buff *skb, + const struct sk_buff *skb, __u16 *mss) { return 0; diff --git a/net/ipv4/syncookies.c b/net/ipv4/syncookies.c index c86624b36a62..c0c75688896e 100644 --- a/net/ipv4/syncookies.c +++ b/net/ipv4/syncookies.c @@ -170,7 +170,8 @@ u32 __cookie_v4_init_sequence(const struct iphdr *iph, const struct tcphdr *th, } EXPORT_SYMBOL_GPL(__cookie_v4_init_sequence); -__u32 cookie_v4_init_sequence(struct sock *sk, struct sk_buff *skb, __u16 *mssp) +__u32 cookie_v4_init_sequence(struct sock *sk, const struct sk_buff *skb, + __u16 *mssp) { const struct iphdr *iph = ip_hdr(skb); const struct tcphdr *th = tcp_hdr(skb);