netdev - [PATCH 1/4] ipvs: avoid lookup for fwmark 0

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Message-Id: <1300056261-14709-2-git-send-email-horms@verge.net.au>
Date:	Mon, 14 Mar 2011 07:44:18 +0900
From:	Simon Horman <horms@...ge.net.au>
To:	lvs-devel@...r.kernel.org, netdev@...r.kernel.org,
	netfilter-devel@...r.kernel.org, netfilter@...r.kernel.org
Cc:	Patrick McHardy <kaber@...sh.net>,
	Hans Schillstrom <hans@...illstrom.com>,
	Julian Anastasov <ja@....bg>, Simon Horman <horms@...ge.net.au>
Subject: [PATCH 1/4] ipvs: avoid lookup for fwmark 0

From: Julian Anastasov <ja@....bg>

 	Restore the previous behaviour to lookup for fwmark
service only when fwmark is non-null. This saves only CPU.

Signed-off-by: Julian Anastasov <ja@....bg>
Signed-off-by: Hans Schillstrom <hans@...illstrom.com>
Signed-off-by: Simon Horman <horms@...ge.net.au>
---
 net/netfilter/ipvs/ip_vs_ctl.c |    8 +++++---
 1 files changed, 5 insertions(+), 3 deletions(-)

diff --git a/net/netfilter/ipvs/ip_vs_ctl.c b/net/netfilter/ipvs/ip_vs_ctl.c
index c73b0c8..f0369d6 100644
--- a/net/netfilter/ipvs/ip_vs_ctl.c
+++ b/net/netfilter/ipvs/ip_vs_ctl.c
@@ -411,9 +411,11 @@ ip_vs_service_get(struct net *net, int af, __u32 fwmark, __u16 protocol,
 	/*
 	 *	Check the table hashed by fwmark first
 	 */
-	svc = __ip_vs_svc_fwm_find(net, af, fwmark);
-	if (fwmark && svc)
-		goto out;
+	if (fwmark) {
+		svc = __ip_vs_svc_fwm_find(net, af, fwmark);
+		if (svc)
+			goto out;
+	}
 
 	/*
 	 *	Check the table hashed by <protocol,addr,port>
-- 
1.7.2.3

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