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af_unix: Implement ->psock_update_sk_prot()

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Now we can implement unix_bpf_update_proto() to update
sk_prot, especially prot->close().

Signed-off-by: Cong Wang <cong.wang@bytedance.com>
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Link: https://lore.kernel.org/bpf/20210704190252.11866-7-xiyou.wangcong@gmail.com
This commit is contained in:
Cong Wang 2021-07-04 12:02:47 -07:00 • committed by Alexei Starovoitov
parent c7272e15f0
commit c63829182c
6 changed files with 65 additions and 1 deletions
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1
net/core/sock_map.c
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@ -1517,6 +1517,7 @@ void sock_map_close(struct sock *sk, long timeout)
release_sock(sk);
saved_close(sk, timeout);
}
EXPORT_SYMBOL_GPL(sock_map_close);
static int sock_map_iter_attach_target(struct bpf_prog *prog,
union bpf_iter_link_info *linfo,