netdev - [patch 7/8 2.6.32] llc: use limited socket backlog

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Message-ID: <20111113201935.GH1362@elgon.mountain>
Date:	Sun, 13 Nov 2011 23:19:35 +0300
From:	Dan Carpenter <dan.carpenter@...cle.com>
To:	stable@...r.kernel.org
Cc:	Greg Kroah-Hartman <greg@...ah.com>, Zhu Yi <yi.zhu@...el.com>,
	netdev@...r.kernel.org, Eric Dumazet <eric.dumazet@...il.com>
Subject: [patch 7/8 2.6.32] llc: use limited socket backlog

This applied without changes to the original patch.

>From 79545b681961d7001c1f4c3eb9ffb87bed4485db Mon Sep 17 00:00:00 2001
From: Zhu Yi <yi.zhu@...el.com>
Date: Thu, 4 Mar 2010 18:01:43 +0000
Subject: [PATCH] llc: use limited socket backlog

Make llc adapt to the limited socket backlog change.

Cc: Arnaldo Carvalho de Melo <acme@...stprotocols.net>
Signed-off-by: Zhu Yi <yi.zhu@...el.com>
Acked-by: Eric Dumazet <eric.dumazet@...il.com>
Acked-by: Arnaldo Carvalho de Melo <acme@...hat.com>
Signed-off-by: David S. Miller <davem@...emloft.net>
Signed-off-by: Dan Carpenter <dan.carpenter@...cle.com>
---
 net/llc/llc_conn.c |    3 ++-
 1 files changed, 2 insertions(+), 1 deletions(-)

diff --git a/net/llc/llc_conn.c b/net/llc/llc_conn.c
index a8dde9b..c0539ff 100644
--- a/net/llc/llc_conn.c
+++ b/net/llc/llc_conn.c
@@ -827,7 +827,8 @@ void llc_conn_handler(struct llc_sap *sap, struct sk_buff *skb)
 	else {
 		dprintk("%s: adding to backlog...\n", __func__);
 		llc_set_backlog_type(skb, LLC_PACKET);
-		sk_add_backlog(sk, skb);
+		if (sk_add_backlog_limited(sk, skb))
+			goto drop_unlock;
 	}
 out:
 	bh_unlock_sock(sk);
-- 
1.7.8.rc0.dirty

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