From: YueHaibing <yuehaibing@huawei.com>
Date: Fri, 3 Aug 2018 08:28:48 +0000 (+0800)
Subject: tcp: remove unneeded variable 'err'
X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=a01512b14d4faa9f6f7501201d7033216d2e563a;p=linux.git

tcp: remove unneeded variable 'err'

variable 'err' is unmodified after initalization,
so simply cleans up it and returns 0.

Signed-off-by: YueHaibing <yuehaibing@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---

diff --git a/net/ipv4/tcp.c b/net/ipv4/tcp.c
index 31fa1c080f287..b8af2fec5ad59 100644
--- a/net/ipv4/tcp.c
+++ b/net/ipv4/tcp.c
@@ -2531,7 +2531,6 @@ int tcp_disconnect(struct sock *sk, int flags)
 	struct inet_sock *inet = inet_sk(sk);
 	struct inet_connection_sock *icsk = inet_csk(sk);
 	struct tcp_sock *tp = tcp_sk(sk);
-	int err = 0;
 	int old_state = sk->sk_state;
 
 	if (old_state != TCP_CLOSE)
@@ -2612,7 +2611,7 @@ int tcp_disconnect(struct sock *sk, int flags)
 	}
 
 	sk->sk_error_report(sk);
-	return err;
+	return 0;
 }
 EXPORT_SYMBOL(tcp_disconnect);