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net: diag: Add the ability to destroy a socket.

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This patch adds a SOCK_DESTROY operation, a destroy function
pointer to sock_diag_handler, and a diag_destroy function
pointer.  It does not include any implementation code.

Signed-off-by: Lorenzo Colitti <lorenzo@google.com>
Acked-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Lorenzo Colitti
2015-12-16 12:30:03 +09:00
committed by David S. Miller
parent b613f56ec9
commit 64be0aed59
4 changed files with 24 additions and 3 deletions
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2
include/linux/sock_diag.h
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@@ -15,6 +15,7 @@ struct sock_diag_handler {
__u8 family;
int (*dump)(struct sk_buff *skb, struct nlmsghdr *nlh);
int (*get_info)(struct sk_buff *skb, struct sock *sk);
int (*destroy)(struct sk_buff *skb, struct nlmsghdr *nlh);
};
int sock_diag_register(const struct sock_diag_handler *h);
@@ -68,4 +69,5 @@ bool sock_diag_has_destroy_listeners(const struct sock *sk)
}
void sock_diag_broadcast_destroy(struct sock *sk);
int sock_diag_destroy(struct sock *sk, int err);
#endif