[Bridge] [PATCH net-next 1/3] net: bridge: mcast: don't dump querier state if snooping is disabled

Nikolay Aleksandrov razor at blackwall.org
Mon Aug 16 10:11:32 UTC 2021


From: Nikolay Aleksandrov <nikolay at nvidia.com>

A minor improvement to avoid dumping mcast ctx querier state if snooping
is disabled for that context (either bridge or vlan).

Signed-off-by: Nikolay Aleksandrov <nikolay at nvidia.com>
---
 net/bridge/br_multicast.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/net/bridge/br_multicast.c b/net/bridge/br_multicast.c
index 0e5d6ba03457..9bdf12635871 100644
--- a/net/bridge/br_multicast.c
+++ b/net/bridge/br_multicast.c
@@ -2943,6 +2943,10 @@ int br_multicast_dump_querier_state(struct sk_buff *skb,
 	struct net_bridge_port *p;
 	struct nlattr *nest;
 
+	if (!br_opt_get(brmctx->br, BROPT_MULTICAST_ENABLED) ||
+	    br_multicast_ctx_vlan_global_disabled(brmctx))
+		return 0;
+
 	nest = nla_nest_start(skb, nest_attr);
 	if (!nest)
 		return -EMSGSIZE;
-- 
2.31.1



More information about the Bridge mailing list