Merge tag 'kvm-s390-next-5.15-1' of git://git.kernel.org/pub/scm/linux/kernel/git...

[linux-2.6-microblaze.git] / net / bridge / br_multicast.c

diff --git a/net/bridge/br_multicast.c b/net/bridge/br_multicast.c
index 53c3a9d..d0434dc 100644 (file)
--- a/net/bridge/br_multicast.c
+++ b/net/bridge/br_multicast.c
@@ -3264,7 +3264,9 @@ static void br_multicast_pim(struct net_bridge *br,
            pim_hdr_type(pimhdr) != PIM_TYPE_HELLO)
                return;
 
+       spin_lock(&br->multicast_lock);
        br_ip4_multicast_mark_router(br, port);
+       spin_unlock(&br->multicast_lock);
 }
 
 static int br_ip4_multicast_mrd_rcv(struct net_bridge *br,
@@ -3275,7 +3277,9 @@ static int br_ip4_multicast_mrd_rcv(struct net_bridge *br,
            igmp_hdr(skb)->type != IGMP_MRDISC_ADV)
                return -ENOMSG;
 
+       spin_lock(&br->multicast_lock);
        br_ip4_multicast_mark_router(br, port);
+       spin_unlock(&br->multicast_lock);
 
        return 0;
 }
@@ -3343,7 +3347,9 @@ static void br_ip6_multicast_mrd_rcv(struct net_bridge *br,
        if (icmp6_hdr(skb)->icmp6_type != ICMPV6_MRDISC_ADV)
                return;
 
+       spin_lock(&br->multicast_lock);
        br_ip6_multicast_mark_router(br, port);
+       spin_unlock(&br->multicast_lock);
 }
 
 static int br_multicast_ipv6_rcv(struct net_bridge *br,