From mboxrd@z Thu Jan  1 00:00:00 1970
From: Dan Carpenter <error27@gmail.com>
Subject: [patch] IPVS: precedence bug in ip_vs_sync_switch_mode()
Date: Mon, 7 Feb 2011 11:38:55 +0300
Message-ID: <20110207083855.GD4384@bicker>
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Cc: Simon Horman <horms@verge.net.au>, Julian Anastasov <ja@ssi.bg>,
	hans.schillstrom@ericsson.com, Patrick McHardy <kaber@trash.net>,
	"David S. Miller" <davem@davemloft.net>, netdev@vger.kernel.org,
	lvs-devel@vger.kernel.org, netfilter-devel@vger.kernel.org,
	kernel-janitors@vger.kernel.org
To: Wensong Zhang <wensong@linux-vs.org>
Return-path: <netfilter-devel-owner@vger.kernel.org>
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Sender: netfilter-devel-owner@vger.kernel.org
List-Id: netdev.vger.kernel.org

'!' has higher precedence than '&'.  IP_VS_STATE_MASTER is 0x1 so
the original code is equivelent to if (!ipvs->sync_state) ...

Signed-off-by: Dan Carpenter <error27@gmail.com>

diff --git a/net/netfilter/ipvs/ip_vs_sync.c b/net/netfilter/ipvs/ip_vs_sync.c
index 2a2a836..d1b7298 100644
--- a/net/netfilter/ipvs/ip_vs_sync.c
+++ b/net/netfilter/ipvs/ip_vs_sync.c
@@ -392,7 +392,7 @@ void ip_vs_sync_switch_mode(struct net *net, int mode)
 {
 	struct netns_ipvs *ipvs = net_ipvs(net);
 
-	if (!ipvs->sync_state & IP_VS_STATE_MASTER)
+	if (!(ipvs->sync_state & IP_VS_STATE_MASTER))
 		return;
 	if (mode == ipvs->sysctl_sync_ver || !ipvs->sync_buff)
 		return;