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mptcp: make mptcp_destroy_common() static

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Such function is only used inside protocol.c, there is no need
to expose it to the whole stack.

Note that the function definition most be moved earlier to avoid
forward declaration.

Signed-off-by: Paolo Abeni <pabeni@redhat.com>
Reviewed-by: Geliang Tang <geliang@kernel.org>
Tested-by: Geliang Tang <geliang@kernel.org>
Reviewed-by: Mat Martineau <martineau@kernel.org>
Signed-off-by: Matthieu Baerts (NGI0) <matttbe@kernel.org>
Link: https://patch.msgid.link/20251121-net-next-mptcp-memcg-backlog-imp-v1-9-1f34b6c1e0b1@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
This commit is contained in:
Paolo Abeni
2025-11-21 18:02:08 +01:00
committed by Jakub Kicinski
parent 48a395605e
commit 9d82959603
2 changed files with 21 additions and 23 deletions
Download Patch File Download Diff File Expand all files Collapse all files

42
net/mptcp/protocol.c
View File

@@ -3222,6 +3222,27 @@ static void mptcp_copy_inaddrs(struct sock *msk, const struct sock *ssk)
inet_sk(msk)->inet_rcv_saddr = inet_sk(ssk)->inet_rcv_saddr;
}
static void mptcp_destroy_common(struct mptcp_sock *msk)
{
struct mptcp_subflow_context *subflow, *tmp;
struct sock *sk = (struct sock *)msk;
__mptcp_clear_xmit(sk);
/* join list will be eventually flushed (with rst) at sock lock release time */
mptcp_for_each_subflow_safe(msk, subflow, tmp)
__mptcp_close_ssk(sk, mptcp_subflow_tcp_sock(subflow), subflow, 0);
__skb_queue_purge(&sk->sk_receive_queue);
skb_rbtree_purge(&msk->out_of_order_queue);
/* move all the rx fwd alloc into the sk_mem_reclaim_final in
* inet_sock_destruct() will dispose it
*/
mptcp_token_destroy(msk);
mptcp_pm_destroy(msk);
}
static int mptcp_disconnect(struct sock *sk, int flags)
{
struct mptcp_sock *msk = mptcp_sk(sk);
@@ -3427,27 +3448,6 @@ void mptcp_rcv_space_init(struct mptcp_sock *msk, const struct sock *ssk)
msk->rcvq_space.space = TCP_INIT_CWND * TCP_MSS_DEFAULT;
}
void mptcp_destroy_common(struct mptcp_sock *msk)
{
struct mptcp_subflow_context *subflow, *tmp;
struct sock *sk = (struct sock *)msk;
__mptcp_clear_xmit(sk);
/* join list will be eventually flushed (with rst) at sock lock release time */
mptcp_for_each_subflow_safe(msk, subflow, tmp)
__mptcp_close_ssk(sk, mptcp_subflow_tcp_sock(subflow), subflow, 0);
__skb_queue_purge(&sk->sk_receive_queue);
skb_rbtree_purge(&msk->out_of_order_queue);
/* move all the rx fwd alloc into the sk_mem_reclaim_final in
* inet_sock_destruct() will dispose it
*/
mptcp_token_destroy(msk);
mptcp_pm_destroy(msk);
}
static void mptcp_destroy(struct sock *sk)
{
struct mptcp_sock *msk = mptcp_sk(sk);

2
net/mptcp/protocol.h
View File

@@ -980,8 +980,6 @@ static inline void mptcp_propagate_sndbuf(struct sock *sk, struct sock *ssk)
local_bh_enable();
}
void mptcp_destroy_common(struct mptcp_sock *msk);
#define MPTCP_TOKEN_MAX_RETRIES 4
void __init mptcp_token_init(void);