netdev - [PATCH] net-tcp: remove useless tw

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Message-Id: <20180605100723.164396-1-zenczykowski@gmail.com>
Date:   Tue,  5 Jun 2018 03:07:23 -0700
From:   "Maciej Żenczykowski" <zenczykowski@...il.com>
To:     "Maciej Żenczykowski" <maze@...gle.com>,
        "David S . Miller" <davem@...emloft.net>,
        Eric Dumazet <edumazet@...gle.com>
Cc:     netdev@...r.kernel.org
Subject: [PATCH] net-tcp: remove useless tw_timeout field

From: Maciej Żenczykowski <maze@...gle.com>

Tested: 'git grep tw_timeout' comes up empty and it builds :-)

Signed-off-by: Maciej Żenczykowski <maze@...gle.com>
Cc: Eric Dumazet <edumazet@...gle.com>
---
 include/net/inet_timewait_sock.h | 1 -
 net/dccp/minisocks.c             | 1 -
 net/ipv4/tcp_minisocks.c         | 1 -
 3 files changed, 3 deletions(-)

diff --git a/include/net/inet_timewait_sock.h b/include/net/inet_timewait_sock.h
index 659d8ed5a3bc..78775038f011 100644
--- a/include/net/inet_timewait_sock.h
+++ b/include/net/inet_timewait_sock.h
@@ -61,7 +61,6 @@ struct inet_timewait_sock {
 #define tw_cookie		__tw_common.skc_cookie
 #define tw_dr			__tw_common.skc_tw_dr
 
-	int			tw_timeout;
 	__u32			tw_mark;
 	volatile unsigned char	tw_substate;
 	unsigned char		tw_rcv_wscale;
diff --git a/net/dccp/minisocks.c b/net/dccp/minisocks.c
index 37ccbe62eb1a..ba6fc3c1186b 100644
--- a/net/dccp/minisocks.c
+++ b/net/dccp/minisocks.c
@@ -53,7 +53,6 @@ void dccp_time_wait(struct sock *sk, int state, int timeo)
 		if (timeo < rto)
 			timeo = rto;
 
-		tw->tw_timeout = DCCP_TIMEWAIT_LEN;
 		if (state == DCCP_TIME_WAIT)
 			timeo = DCCP_TIMEWAIT_LEN;
 
diff --git a/net/ipv4/tcp_minisocks.c b/net/ipv4/tcp_minisocks.c
index f867658b4b30..1dda1341a223 100644
--- a/net/ipv4/tcp_minisocks.c
+++ b/net/ipv4/tcp_minisocks.c
@@ -307,7 +307,6 @@ void tcp_time_wait(struct sock *sk, int state, int timeo)
 		if (timeo < rto)
 			timeo = rto;
 
-		tw->tw_timeout = TCP_TIMEWAIT_LEN;
 		if (state == TCP_TIME_WAIT)
 			timeo = TCP_TIMEWAIT_LEN;
 
-- 
2.17.1.1185.g55be947832-goog