From 5c8c1640956e59797f838fb18495e3d3fb964205 Mon Sep 17 00:00:00 2001
From: Geliang Tang <geliangtang@gmail.com>
Date: Thu, 24 Sep 2020 08:29:57 +0800
Subject: mptcp: add mptcp_destroy_common helper
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>
---
net/mptcp/protocol.c | 11 ++++++++---
net/mptcp/protocol.h | 1 +
net/mptcp/subflow.c | 4 +---
3 files changed, 10 insertions(+), 6 deletions(-)
(limited to 'net/mptcp')
diff --git a/net/mptcp/protocol.c b/net/mptcp/protocol.c
index b53e55826975..34c037731f35 100644
--- a/net/mptcp/protocol.c
+++ b/net/mptcp/protocol.c
@@ -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);
}
diff --git a/net/mptcp/protocol.h b/net/mptcp/protocol.h
index df6cc94df1f7..db1e5de2fee7 100644
--- a/net/mptcp/protocol.h
+++ b/net/mptcp/protocol.h
@@ -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)
diff --git a/net/mptcp/subflow.c b/net/mptcp/subflow.c
index a1fefc965e17..ac2b19993f1a 100644
--- a/net/mptcp/subflow.c
+++ b/net/mptcp/subflow.c
@@ -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);
}
--
cgit v1.2.3-70-g09d2