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[v3,mptcp-next,2/2] mptcp: add mptcp_destroy_common helper

Message ID 6f76af704e049b0cebb132d0c0a68922083a300c.1600170870.git.geliangtang@gmail.com
State Accepted, archived
Delegated to: Matthieu Baerts
Headers show
Series Squash-to: "mptcp: remove addr and subflow in PM netlink v9" | expand

Commit Message

Geliang Tang Sept. 15, 2020, 11:59 a.m. UTC 
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>
---
 net/mptcp/protocol.c | 11 ++++++++---
 net/mptcp/protocol.h |  1 +
 net/mptcp/subflow.c  |  4 +---
 3 files changed, 10 insertions(+), 6 deletions(-)
diff mbox series

Patch

diff --git a/net/mptcp/protocol.c b/net/mptcp/protocol.c
index f324e36f8e19..5fe9bfc3c76f 100644
--- a/net/mptcp/protocol.c
+++ b/net/mptcp/protocol.c
@@ -2153,16 +2153,21 @@  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 f07dddaf05ca..d2544e1a0ed0 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);
 }