linux-kernel - [PATCH v3 net-next] inet: remove redundant backlog setting in listen(2)

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Message-Id: <1539086718-4119-1-git-send-email-laoar.shao@gmail.com>
Date:   Tue,  9 Oct 2018 20:05:17 +0800
From:   Yafang Shao <laoar.shao@...il.com>
To:     edumazet@...gle.com, davem@...emloft.net
Cc:     netdev@...r.kernel.org, linux-kernel@...r.kernel.org,
        Yafang Shao <laoar.shao@...il.com>
Subject: [PATCH v3 net-next] inet: remove redundant backlog setting in listen(2)

The sk_max_ack_backlog will be set in the caller inet_listen() and
dccp_listen_start(), so it is redundant to set it in
inet_csk_listen_start().
Just remove this setting.

Signed-off-by: Yafang Shao <laoar.shao@...il.com>
---
 net/ipv4/inet_connection_sock.c | 1 -
 1 file changed, 1 deletion(-)

diff --git a/net/ipv4/inet_connection_sock.c b/net/ipv4/inet_connection_sock.c
index dfd5009..cdd5c95 100644
--- a/net/ipv4/inet_connection_sock.c
+++ b/net/ipv4/inet_connection_sock.c
@@ -871,7 +871,6 @@ int inet_csk_listen_start(struct sock *sk, int backlog)
 
 	reqsk_queue_alloc(&icsk->icsk_accept_queue);
 
-	sk->sk_max_ack_backlog = backlog;
 	sk->sk_ack_backlog = 0;
 	inet_csk_delack_init(sk);
 
-- 
1.8.3.1