diff options
Diffstat (limited to 'net/bridge/br_multicast.c')
| -rw-r--r-- | net/bridge/br_multicast.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/net/bridge/br_multicast.c b/net/bridge/br_multicast.c index a0e369179f6d..45e7f4173bba 100644 --- a/net/bridge/br_multicast.c +++ b/net/bridge/br_multicast.c @@ -601,6 +601,7 @@ static int br_ip4_multicast_add_group(struct net_bridge *br, if (ipv4_is_local_multicast(group)) return 0; + memset(&br_group, 0, sizeof(br_group)); br_group.u.ip4 = group; br_group.proto = htons(ETH_P_IP); br_group.vid = vid; @@ -1497,6 +1498,7 @@ static void br_ip4_multicast_leave_group(struct net_bridge *br, own_query = port ? &port->ip4_own_query : &br->ip4_own_query; + memset(&br_group, 0, sizeof(br_group)); br_group.u.ip4 = group; br_group.proto = htons(ETH_P_IP); br_group.vid = vid; @@ -1520,6 +1522,7 @@ static void br_ip6_multicast_leave_group(struct net_bridge *br, own_query = port ? &port->ip6_own_query : &br->ip6_own_query; + memset(&br_group, 0, sizeof(br_group)); br_group.u.ip6 = *group; br_group.proto = htons(ETH_P_IPV6); br_group.vid = vid; @@ -2028,7 +2031,8 @@ static void br_multicast_start_querier(struct net_bridge *br, __br_multicast_open(br, query); - list_for_each_entry(port, &br->port_list, list) { + rcu_read_lock(); + list_for_each_entry_rcu(port, &br->port_list, list) { if (port->state == BR_STATE_DISABLED || port->state == BR_STATE_BLOCKING) continue; @@ -2040,6 +2044,7 @@ static void br_multicast_start_querier(struct net_bridge *br, br_multicast_enable(&port->ip6_own_query); #endif } + rcu_read_unlock(); } int br_multicast_toggle(struct net_bridge *br, unsigned long val) |