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authorNikolay Aleksandrov <nikolay@nvidia.com>2020-09-25 13:25:49 +0300
committerDavid S. Miller <davem@davemloft.net>2020-09-26 02:50:19 +0300
commit7470558240330f04dbf940430813233935314f78 (patch)
treea4511aa2b8d6ab942a55f2f78f967e9c00fe5468 /net/bridge
parente0f9956a3862b32ad73869a8e52a33c84aafa46f (diff)
downloadlinux-7470558240330f04dbf940430813233935314f78.tar.xz
net: bridge: mcast: remove only S,G port groups from sg_port hash
We should remove a group from the sg_port hash only if it's an S,G entry. This makes it correct and more symmetric with group add. Also since *,G groups are not added to that hash we can hide a bug. Fixes: 085b53c8beab ("net: bridge: mcast: add sg_port rhashtable") Signed-off-by: Nikolay Aleksandrov <nikolay@nvidia.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/bridge')
-rw-r--r--net/bridge/br_multicast.c9
1 files changed, 5 insertions, 4 deletions
diff --git a/net/bridge/br_multicast.c b/net/bridge/br_multicast.c
index 66eb62ded192..eae898c3cff7 100644
--- a/net/bridge/br_multicast.c
+++ b/net/bridge/br_multicast.c
@@ -590,17 +590,18 @@ void br_multicast_del_pg(struct net_bridge_mdb_entry *mp,
struct net_bridge_group_src *ent;
struct hlist_node *tmp;
- rhashtable_remove_fast(&br->sg_port_tbl, &pg->rhnode,
- br_sg_port_rht_params);
rcu_assign_pointer(*pp, pg->next);
hlist_del_init(&pg->mglist);
hlist_for_each_entry_safe(ent, tmp, &pg->src_list, node)
br_multicast_del_group_src(ent);
br_mdb_notify(br->dev, mp, pg, RTM_DELMDB);
- if (!br_multicast_is_star_g(&mp->addr))
+ if (!br_multicast_is_star_g(&mp->addr)) {
+ rhashtable_remove_fast(&br->sg_port_tbl, &pg->rhnode,
+ br_sg_port_rht_params);
br_multicast_sg_del_exclude_ports(mp);
- else
+ } else {
br_multicast_star_g_handle_mode(pg, MCAST_INCLUDE);
+ }
hlist_add_head(&pg->mcast_gc.gc_node, &br->mcast_gc_list);
queue_work(system_long_wq, &br->mcast_gc_work);