netdev - [PATCH net-next] netfilter: xt_socket: use sock_gen

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Date:	Fri, 11 Oct 2013 09:03:25 -0700
From:	Eric Dumazet <eric.dumazet@...il.com>
To:	David Miller <davem@...emloft.net>
Cc:	netdev <netdev@...r.kernel.org>,
	Pablo Neira Ayuso <pablo@...filter.org>,
	netfilter-devel@...r.kernel.org
Subject: [PATCH net-next] netfilter: xt_socket: use sock_gen_put()

From: Eric Dumazet <edumazet@...gle.com>

TCP listener refactoring, part 7 :

Use sock_gen_put() instead of xt_socket_put_sk() for future
SYN_RECV support.

Signed-off-by: Eric Dumazet <edumazet@...gle.com>
Cc: Pablo Neira Ayuso <pablo@...filter.org>
---
 net/netfilter/xt_socket.c |   13 ++-----------
 1 file changed, 2 insertions(+), 11 deletions(-)

diff --git a/net/netfilter/xt_socket.c b/net/netfilter/xt_socket.c
index 3dd0e37..1ba6793 100644
--- a/net/netfilter/xt_socket.c
+++ b/net/netfilter/xt_socket.c
@@ -35,15 +35,6 @@
 #include <net/netfilter/nf_conntrack.h>
 #endif
 
-static void
-xt_socket_put_sk(struct sock *sk)
-{
-	if (sk->sk_state == TCP_TIME_WAIT)
-		inet_twsk_put(inet_twsk(sk));
-	else
-		sock_put(sk);
-}
-
 static int
 extract_icmp4_fields(const struct sk_buff *skb,
 		    u8 *protocol,
@@ -216,7 +207,7 @@ socket_match(const struct sk_buff *skb, struct xt_action_param *par,
 					inet_twsk(sk)->tw_transparent));
 
 		if (sk != skb->sk)
-			xt_socket_put_sk(sk);
+			sock_gen_put(sk);
 
 		if (wildcard || !transparent)
 			sk = NULL;
@@ -381,7 +372,7 @@ socket_mt6_v1_v2(const struct sk_buff *skb, struct xt_action_param *par)
 					inet_twsk(sk)->tw_transparent));
 
 		if (sk != skb->sk)
-			xt_socket_put_sk(sk);
+			sock_gen_put(sk);
 
 		if (wildcard || !transparent)
 			sk = NULL;


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