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mptcp: add mptcp_destroy_common helper

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This patch added a new helper named mptcp_destroy_common containing the
shared code between mptcp_destroy() and mptcp_sock_destruct().

Suggested-by: Paolo Abeni <pabeni@redhat.com>
Signed-off-by: Geliang Tang <geliangtang@gmail.com>
Reviewed-by: Mat Martineau <mathew.j.martineau@linux.intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Geliang Tang 2020-09-24 08:29:57 +08:00 committed by David S. Miller
parent 7a7e52e38a
commit 5c8c164095
3 changed files with 10 additions and 6 deletions
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11
net/mptcp/protocol.c
View File

@ -2128,16 +2128,21 @@ static struct sock *mptcp_accept(struct sock *sk, int flags, int *err,
return newsk;
}
void mptcp_destroy_common(struct mptcp_sock *msk)
{
skb_rbtree_purge(&msk->out_of_order_queue);
mptcp_token_destroy(msk);
mptcp_pm_free_anno_list(msk);
}
static void mptcp_destroy(struct sock *sk)
{
struct mptcp_sock *msk = mptcp_sk(sk);
skb_rbtree_purge(&msk->out_of_order_queue);
mptcp_token_destroy(msk);
if (msk->cached_ext)
__skb_ext_put(msk->cached_ext);
mptcp_pm_free_anno_list(msk);
mptcp_destroy_common(msk);
sk_sockets_allocated_dec(sk);
}

1
net/mptcp/protocol.h
View File

@ -408,6 +408,7 @@ bool mptcp_finish_join(struct sock *sk);
void mptcp_data_acked(struct sock *sk);
void mptcp_subflow_eof(struct sock *sk);
bool mptcp_update_rcv_data_fin(struct mptcp_sock *msk, u64 data_fin_seq);
void mptcp_destroy_common(struct mptcp_sock *msk);
void __init mptcp_token_init(void);
static inline void mptcp_token_init_request(struct request_sock *req)

4
net/mptcp/subflow.c
View File

@ -435,9 +435,7 @@ static void mptcp_sock_destruct(struct sock *sk)
sock_orphan(sk);
}
skb_rbtree_purge(&mptcp_sk(sk)->out_of_order_queue);
mptcp_token_destroy(mptcp_sk(sk));
mptcp_pm_free_anno_list(mptcp_sk(sk));
mptcp_destroy_common(mptcp_sk(sk));
inet_sock_destruct(sk);
}