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bridge: mdb: allow the user to delete mdb entry if there's a querier

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Until now when a querier was present static entries couldn't be deleted.
Fix this and allow the user to manipulate the mdb with or without a
querier.

Signed-off-by: Satish Ashok <sashok@cumulusnetworks.com>
Signed-off-by: Nikolay Aleksandrov <nikolay@cumulusnetworks.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Satish Ashok 2015-07-09 04:12:45 -07:00 committed by David S. Miller
parent 7234e03019
commit 51ed7f3e7d
1 changed files with 2 additions and 9 deletions
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11
net/bridge/br_mdb.c
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@ -423,19 +423,12 @@ static int __br_mdb_del(struct net_bridge *br, struct br_mdb_entry *entry)
memset(&ip, 0, sizeof(ip));
ip.proto = entry->addr.proto;
if (ip.proto == htons(ETH_P_IP)) {
if (timer_pending(&br->ip4_other_query.timer))
return -EBUSY;
if (ip.proto == htons(ETH_P_IP))
ip.u.ip4 = entry->addr.u.ip4;
#if IS_ENABLED(CONFIG_IPV6)
} else {
if (timer_pending(&br->ip6_other_query.timer))
return -EBUSY;
else
ip.u.ip6 = entry->addr.u.ip6;
#endif
}
spin_lock_bh(&br->multicast_lock);
mdb = mlock_dereference(br->mdb, br);