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[bpf-next] skmsg: make sk_psock_destroy() static

Message ID 20210127221501.46866-1-xiyou.wangcong@gmail.com
State New
Headers show
Series [bpf-next] skmsg: make sk_psock_destroy() static | expand

Commit Message

Cong Wang Jan. 27, 2021, 10:15 p.m. UTC 
From: Cong Wang <cong.wang@bytedance.com>

sk_psock_destroy() is a RCU callback, I can't see any reason why
it could be used outside.

Cc: John Fastabend <john.fastabend@gmail.com>
Cc: Daniel Borkmann <daniel@iogearbox.net>
Cc: Jakub Sitnicki <jakub@cloudflare.com>
Cc: Lorenz Bauer <lmb@cloudflare.com>
Signed-off-by: Cong Wang <cong.wang@bytedance.com>
---
 include/linux/skmsg.h | 1 -
 net/core/skmsg.c      | 3 +--
 2 files changed, 1 insertion(+), 3 deletions(-)
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Patch

diff --git a/include/linux/skmsg.h b/include/linux/skmsg.h
index fec0c5ac1c4f..8edbbf5f2f93 100644
--- a/include/linux/skmsg.h
+++ b/include/linux/skmsg.h
@@ -390,7 +390,6 @@  static inline struct sk_psock *sk_psock_get(struct sock *sk)
 }
 
 void sk_psock_stop(struct sock *sk, struct sk_psock *psock);
-void sk_psock_destroy(struct rcu_head *rcu);
 void sk_psock_drop(struct sock *sk, struct sk_psock *psock);
 
 static inline void sk_psock_put(struct sock *sk, struct sk_psock *psock)
diff --git a/net/core/skmsg.c b/net/core/skmsg.c
index 25cdbb20f3a0..1261512d6807 100644
--- a/net/core/skmsg.c
+++ b/net/core/skmsg.c
@@ -669,14 +669,13 @@  static void sk_psock_destroy_deferred(struct work_struct *gc)
 	kfree(psock);
 }
 
-void sk_psock_destroy(struct rcu_head *rcu)
+static void sk_psock_destroy(struct rcu_head *rcu)
 {
 	struct sk_psock *psock = container_of(rcu, struct sk_psock, rcu);
 
 	INIT_WORK(&psock->gc, sk_psock_destroy_deferred);
 	schedule_work(&psock->gc);
 }
-EXPORT_SYMBOL_GPL(sk_psock_destroy);
 
 void sk_psock_drop(struct sock *sk, struct sk_psock *psock)
 {