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-rw-r--r--net/bridge/br_private.h10
1 files changed, 8 insertions, 2 deletions
diff --git a/net/bridge/br_private.h b/net/bridge/br_private.h
index 905d406a2fc7..4c691c371884 100644
--- a/net/bridge/br_private.h
+++ b/net/bridge/br_private.h
@@ -854,6 +854,11 @@ void br_multicast_star_g_handle_mode(struct net_bridge_port_group *pg,
void br_multicast_sg_add_exclude_ports(struct net_bridge_mdb_entry *star_mp,
struct net_bridge_port_group *sg);
+static inline bool br_group_is_l2(const struct br_ip *group)
+{
+ return group->proto == 0;
+}
+
#define mlock_dereference(X, br) \
rcu_dereference_protected(X, lockdep_is_held(&br->multicast_lock))
@@ -885,7 +890,8 @@ __br_multicast_querier_exists(struct net_bridge *br,
}
static inline bool br_multicast_querier_exists(struct net_bridge *br,
- struct ethhdr *eth)
+ struct ethhdr *eth,
+ const struct net_bridge_mdb_entry *mdb)
{
switch (eth->h_proto) {
case (htons(ETH_P_IP)):
@@ -897,7 +903,7 @@ static inline bool br_multicast_querier_exists(struct net_bridge *br,
&br->ip6_other_query, true);
#endif
default:
- return false;
+ return !!mdb && br_group_is_l2(&mdb->addr);
}
}