netdev - [PATCH V3 6/8] tipc: use limited socket backlog

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Message-Id: <1267761707-15605-6-git-send-email-yi.zhu@intel.com>
Date:	Fri,  5 Mar 2010 12:01:45 +0800
From:	Zhu Yi <yi.zhu@...el.com>
To:	davem@...emloft.net
Cc:	netdev@...r.kernel.org, Zhu Yi <yi.zhu@...el.com>,
	Jon Maloy <jon.maloy@...csson.com>,
	Allan Stephens <allan.stephens@...driver.com>
Subject: [PATCH V3 6/8] tipc: use limited socket backlog

Make tipc adapt to the limited socket backlog change.

Cc: Jon Maloy <jon.maloy@...csson.com>
Cc: Allan Stephens <allan.stephens@...driver.com>
Signed-off-by: Zhu Yi <yi.zhu@...el.com>
---
 net/tipc/socket.c |    6 ++++--
 1 files changed, 4 insertions(+), 2 deletions(-)

diff --git a/net/tipc/socket.c b/net/tipc/socket.c
index 1ea64f0..22bfbc3 100644
--- a/net/tipc/socket.c
+++ b/net/tipc/socket.c
@@ -1322,8 +1322,10 @@ static u32 dispatch(struct tipc_port *tport, struct sk_buff *buf)
 	if (!sock_owned_by_user(sk)) {
 		res = filter_rcv(sk, buf);
 	} else {
-		sk_add_backlog(sk, buf);
-		res = TIPC_OK;
+		if (sk_add_backlog_limited(sk, buf))
+			res = TIPC_ERR_OVERLOAD;
+		else
+			res = TIPC_OK;
 	}
 	bh_unlock_sock(sk);
 
-- 
1.6.3.3

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