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Commit 57b47553 authored by Octavian Purdila's avatar Octavian Purdila Committed by David S. Miller
Browse files

tcp: cookie_v4_init_sequence: skb should be const 



Signed-off-by: default avatarOctavian Purdila <octavian.purdila@intel.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent c1c27fb9

include/net/tcp.h

+3 −2
Original line number Diff line number Diff line
@@ -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;

net/ipv4/syncookies.c

+2 −1
Original line number Diff line number Diff line
@@ -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);