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Commit 42b6785e authored by YOSHIFUJI Hideaki's avatar YOSHIFUJI Hideaki Committed by David S. Miller
Browse files

[NET]: Introduce protocol-specific destructor for time-wait sockets. 



Signed-off-by: default avatarYOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 9469c7b4

include/net/inet_timewait_sock.h

+1 −0
Original line number Diff line number Diff line
@@ -196,6 +196,7 @@ static inline void inet_twsk_put(struct inet_timewait_sock *tw) 
{

	if (atomic_dec_and_test(&tw->tw_refcnt)) {

		struct module *owner = tw->tw_prot->owner;

		twsk_destructor((struct sock *)tw);

#ifdef SOCK_REFCNT_DEBUG

		printk(KERN_DEBUG "%s timewait_sock %p released\n",

		       tw->tw_prot->name, tw);

include/net/timewait_sock.h

+7 −0
Original line number Diff line number Diff line
@@ -19,6 +19,7 @@ struct timewait_sock_ops { 
	unsigned int	twsk_obj_size;

	int		(*twsk_unique)(struct sock *sk,

				       struct sock *sktw, void *twp);

	void		(*twsk_destructor)(struct sock *sk);

};



static inline int twsk_unique(struct sock *sk, struct sock *sktw, void *twp)
@@ -28,4 +29,10 @@ static inline int twsk_unique(struct sock *sk, struct sock *sktw, void *twp) 
	return 0;

}



static inline void twsk_destructor(struct sock *sk)

{

	if (sk->sk_prot->twsk_prot->twsk_destructor != NULL)

		sk->sk_prot->twsk_prot->twsk_destructor(sk);

}



#endif /* _TIMEWAIT_SOCK_H */