linux-kernel - [PATCH 3.2 03/87] net: do not call sock

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Message-ID: <lsq.1385387069.38981060@decadent.org.uk>
Date:	Mon, 25 Nov 2013 13:44:29 +0000
From:	Ben Hutchings <ben@...adent.org.uk>
To:	linux-kernel@...r.kernel.org, stable@...r.kernel.org
CC:	akpm@...ux-foundation.org, "Eric Dumazet" <edumazet@...gle.com>,
	"David S. Miller" <davem@...emloft.net>
Subject: [PATCH 3.2 03/87] net: do not call sock_put() on TIMEWAIT sockets

3.2.53-rc1 review patch.  If anyone has any objections, please let me know.

------------------

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

[ Upstream commit 80ad1d61e72d626e30ebe8529a0455e660ca4693 ]

commit 3ab5aee7fe84 ("net: Convert TCP & DCCP hash tables to use RCU /
hlist_nulls") incorrectly used sock_put() on TIMEWAIT sockets.

We should instead use inet_twsk_put()

Signed-off-by: Eric Dumazet <edumazet@...gle.com>
Signed-off-by: David S. Miller <davem@...emloft.net>
Signed-off-by: Ben Hutchings <ben@...adent.org.uk>
---
 net/ipv4/inet_hashtables.c  | 2 +-
 net/ipv6/inet6_hashtables.c | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/net/ipv4/inet_hashtables.c b/net/ipv4/inet_hashtables.c
index 984ec65..4afcf31 100644
--- a/net/ipv4/inet_hashtables.c
+++ b/net/ipv4/inet_hashtables.c
@@ -268,7 +268,7 @@ begintw:
 			}
 			if (unlikely(!INET_TW_MATCH(sk, net, hash, acookie,
 				 saddr, daddr, ports, dif))) {
-				sock_put(sk);
+				inet_twsk_put(inet_twsk(sk));
 				goto begintw;
 			}
 			goto out;
diff --git a/net/ipv6/inet6_hashtables.c b/net/ipv6/inet6_hashtables.c
index 73f1a00..e38290b 100644
--- a/net/ipv6/inet6_hashtables.c
+++ b/net/ipv6/inet6_hashtables.c
@@ -110,7 +110,7 @@ begintw:
 				goto out;
 			}
 			if (!INET6_TW_MATCH(sk, net, hash, saddr, daddr, ports, dif)) {
-				sock_put(sk);
+				inet_twsk_put(inet_twsk(sk));
 				goto begintw;
 			}
 			goto out;

--
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