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tcp: cookie_v4_init_sequence: skb should be const

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Signed-off-by: Octavian Purdila <octavian.purdila@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Octavian Purdila 2014-06-25 17:09:50 +03:00 committed by David S. Miller
parent c1c27fb9b3
commit 57b47553f6
2 changed files with 5 additions and 3 deletions
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5
include/net/tcp.h
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@ -493,10 +493,11 @@ static inline u32 tcp_cookie_time(void)
u32 __cookie_v4_init_sequence(const struct iphdr *iph, const struct tcphdr *th, u32 __cookie_v4_init_sequence(const struct iphdr *iph, const struct tcphdr *th,
u16 *mssp); 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 #else
static inline __u32 cookie_v4_init_sequence(struct sock *sk, static inline __u32 cookie_v4_init_sequence(struct sock *sk,
struct sk_buff *skb, const struct sk_buff *skb,
__u16 *mss) __u16 *mss)
{ {
return 0; return 0;

3
net/ipv4/syncookies.c
View File

@ -170,7 +170,8 @@ u32 __cookie_v4_init_sequence(const struct iphdr *iph, const struct tcphdr *th,
} }
EXPORT_SYMBOL_GPL(__cookie_v4_init_sequence); 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 iphdr *iph = ip_hdr(skb);
const struct tcphdr *th = tcp_hdr(skb); const struct tcphdr *th = tcp_hdr(skb);