netdev - [Patch net-next] bridge: use ipv4_is_local

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Date:	Thu,  7 Mar 2013 20:32:26 +0800
From:	Cong Wang <amwang@...hat.com>
To:	netdev@...r.kernel.org
Cc:	Stephen Hemminger <stephen@...workplumber.org>,
	"David S. Miller" <davem@...emloft.net>,
	Cong Wang <amwang@...hat.com>
Subject: [Patch net-next] bridge: use ipv4_is_local_multicast() helper

Cc: Stephen Hemminger <stephen@...workplumber.org>
Cc: "David S. Miller" <davem@...emloft.net>
Signed-off-by: Cong Wang <amwang@...hat.com>

---
diff --git a/net/bridge/br_multicast.c b/net/bridge/br_multicast.c
index 10e6fce..81d51b8 100644
--- a/net/bridge/br_multicast.c
+++ b/net/bridge/br_multicast.c
@@ -1368,7 +1368,7 @@ static int br_multicast_ipv4_rcv(struct net_bridge *br,
 		return -EINVAL;
 
 	if (iph->protocol != IPPROTO_IGMP) {
-		if ((iph->daddr & IGMP_LOCAL_GROUP_MASK) != IGMP_LOCAL_GROUP)
+		if (!ipv4_is_local_multicast(iph->daddr))
 			BR_INPUT_SKB_CB(skb)->mrouters_only = 1;
 		return 0;
 	}
--
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