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bridge br_multicast: Ensure to initialize BR_INPUT_SKB_CB(skb)->mrouters_only.

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Even with commit 32dec5dd02 ("bridge
br_multicast: Don't refer to BR_INPUT_SKB_CB(skb)->mrouters_only
without IGMP snooping."), BR_INPUT_SKB_CB(skb)->mrouters_only is
not appropriately initialized if IGMP snooping support is
compiled and disabled, so we can see garbage.

Signed-off-by: YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
YOSHIFUJI Hideaki / 吉藤英明 2010-04-25 08:59:07 +00:00 committed by David S. Miller
parent 93c0c8b4a5
commit 4eb8b9031a
1 changed files with 3 additions and 3 deletions
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6
net/bridge/br_multicast.c
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@ -957,9 +957,6 @@ static int br_multicast_ipv4_rcv(struct net_bridge *br,
unsigned offset;
int err;
BR_INPUT_SKB_CB(skb)->igmp = 0;
BR_INPUT_SKB_CB(skb)->mrouters_only = 0;
/* We treat OOM as packet loss for now. */
if (!pskb_may_pull(skb, sizeof(*iph)))
return -EINVAL;
@ -1049,6 +1046,9 @@ err_out:
int br_multicast_rcv(struct net_bridge *br, struct net_bridge_port *port,
struct sk_buff *skb)
{
BR_INPUT_SKB_CB(skb)->igmp = 0;
BR_INPUT_SKB_CB(skb)->mrouters_only = 0;
if (br->multicast_disabled)
return 0;