net: bridge: mcast: Associate the seqcount with its protecting lock.

[platform/kernel/linux-rpi.git] / net / bridge / br_multicast.c

diff --git a/net/bridge/br_multicast.c b/net/bridge/br_multicast.c
index 3523c8c..f3d7511 100644 (file)
--- a/net/bridge/br_multicast.c
+++ b/net/bridge/br_multicast.c
@@ -1677,8 +1677,6 @@ static void br_multicast_update_querier(struct net_bridge_mcast *brmctx,
                                        int ifindex,
                                        struct br_ip *saddr)
 {
-       lockdep_assert_held_once(&brmctx->br->multicast_lock);
-
        write_seqcount_begin(&querier->seq);
        querier->port_ifidx = ifindex;
        memcpy(&querier->addr, saddr, sizeof(*saddr));
@@ -3867,13 +3865,13 @@ void br_multicast_ctx_init(struct net_bridge *br,
 
        brmctx->ip4_other_query.delay_time = 0;
        brmctx->ip4_querier.port_ifidx = 0;
-       seqcount_init(&brmctx->ip4_querier.seq);
+       seqcount_spinlock_init(&brmctx->ip4_querier.seq, &br->multicast_lock);
        brmctx->multicast_igmp_version = 2;
 #if IS_ENABLED(CONFIG_IPV6)
        brmctx->multicast_mld_version = 1;
        brmctx->ip6_other_query.delay_time = 0;
        brmctx->ip6_querier.port_ifidx = 0;
-       seqcount_init(&brmctx->ip6_querier.seq);
+       seqcount_spinlock_init(&brmctx->ip6_querier.seq, &br->multicast_lock);
 #endif
 
        timer_setup(&brmctx->ip4_mc_router_timer,