linux-kernel - [PATCH] tcp/ipv4: remove AF_INET

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Date:   Tue, 21 Jan 2020 16:50:07 +0800
From:   Alex Shi <alex.shi@...ux.alibaba.com>
To:     unlisted-recipients:; (no To-header on input)
Cc:     "David S. Miller" <davem@...emloft.net>,
        Alexey Kuznetsov <kuznet@....inr.ac.ru>,
        Hideaki YOSHIFUJI <yoshfuji@...ux-ipv6.org>,
        netdev@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: [PATCH] tcp/ipv4: remove AF_INET_FAMILY

After commit 079096f103fa ("tcp/dccp: install syn_recv requests into ehash table")
the macro isn't used anymore. remove it.

Signed-off-by: Alex Shi <alex.shi@...ux.alibaba.com>
Cc: "David S. Miller" <davem@...emloft.net> 
Cc: Alexey Kuznetsov <kuznet@....inr.ac.ru> 
Cc: Hideaki YOSHIFUJI <yoshfuji@...ux-ipv6.org> 
Cc: netdev@...r.kernel.org 
Cc: linux-kernel@...r.kernel.org 
---
 net/ipv4/inet_connection_sock.c | 6 ------
 1 file changed, 6 deletions(-)

diff --git a/net/ipv4/inet_connection_sock.c b/net/ipv4/inet_connection_sock.c
index 18c0d5bffe12..ca22073cd500 100644
--- a/net/ipv4/inet_connection_sock.c
+++ b/net/ipv4/inet_connection_sock.c
@@ -610,12 +610,6 @@ struct dst_entry *inet_csk_route_child_sock(const struct sock *sk,
 }
 EXPORT_SYMBOL_GPL(inet_csk_route_child_sock);
 
-#if IS_ENABLED(CONFIG_IPV6)
-#define AF_INET_FAMILY(fam) ((fam) == AF_INET)
-#else
-#define AF_INET_FAMILY(fam) true
-#endif
-
 /* Decide when to expire the request and when to resend SYN-ACK */
 static inline void syn_ack_recalc(struct request_sock *req, const int thresh,
 				  const int max_retries,
-- 
1.8.3.1