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authorYOSHIFUJI Hideaki / 吉藤英明 <yoshfuji@linux-ipv6.org>2010-03-15 21:51:18 +0000
committerDavid S. Miller <davem@davemloft.net>2010-03-16 14:34:23 -0700
commit32dec5dd0233ebffa9cae25ce7ba6daeb7df4467 (patch)
treeb086e355e9afa2cb6ab51988175afd619787029b /net/bridge/br_device.c
parent858a18a6a2f74e8f0e5b2e9671d4b74694aba708 (diff)
bridge br_multicast: Don't refer to BR_INPUT_SKB_CB(skb)->mrouters_only without IGMP snooping.
Without CONFIG_BRIDGE_IGMP_SNOOPING, BR_INPUT_SKB_CB(skb)->mrouters_only is not appropriately initialized, so we can see garbage. A clear option to fix this is to set it even without that config, but we cannot optimize out the branch. Let's introduce a macro that returns value of mrouters_only and let it return 0 without CONFIG_BRIDGE_IGMP_SNOOPING. Signed-off-by: YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/bridge/br_device.c')
-rw-r--r--net/bridge/br_device.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/net/bridge/br_device.c b/net/bridge/br_device.c
index eb7062d2e9e5..90a9024e5c1e 100644
--- a/net/bridge/br_device.c
+++ b/net/bridge/br_device.c
@@ -40,7 +40,7 @@ netdev_tx_t br_dev_xmit(struct sk_buff *skb, struct net_device *dev)
goto out;
mdst = br_mdb_get(br, skb);
- if (mdst || BR_INPUT_SKB_CB(skb)->mrouters_only)
+ if (mdst || BR_INPUT_SKB_CB_MROUTERS_ONLY(skb))
br_multicast_deliver(mdst, skb);
else
br_flood_deliver(br, skb);