diff options
Diffstat (limited to 'net/bridge/br_multicast.c')
-rw-r--r-- | net/bridge/br_multicast.c | 32 |
1 files changed, 17 insertions, 15 deletions
diff --git a/net/bridge/br_multicast.c b/net/bridge/br_multicast.c index 9d21d98ae5f..eb5b256ffc8 100644 --- a/net/bridge/br_multicast.c +++ b/net/bridge/br_multicast.c @@ -99,6 +99,15 @@ static struct net_bridge_mdb_entry *__br_mdb_ip_get( return NULL; } +static struct net_bridge_mdb_entry *br_mdb_ip_get( + struct net_bridge_mdb_htable *mdb, struct br_ip *dst) +{ + if (!mdb) + return NULL; + + return __br_mdb_ip_get(mdb, dst, br_ip_hash(mdb, dst)); +} + static struct net_bridge_mdb_entry *br_mdb_ip4_get( struct net_bridge_mdb_htable *mdb, __be32 dst) { @@ -107,7 +116,7 @@ static struct net_bridge_mdb_entry *br_mdb_ip4_get( br_dst.u.ip4 = dst; br_dst.proto = htons(ETH_P_IP); - return __br_mdb_ip_get(mdb, &br_dst, __br_ip4_hash(mdb, dst)); + return br_mdb_ip_get(mdb, &br_dst); } #if defined(CONFIG_IPV6) || defined(CONFIG_IPV6_MODULE) @@ -119,23 +128,17 @@ static struct net_bridge_mdb_entry *br_mdb_ip6_get( ipv6_addr_copy(&br_dst.u.ip6, dst); br_dst.proto = htons(ETH_P_IPV6); - return __br_mdb_ip_get(mdb, &br_dst, __br_ip6_hash(mdb, dst)); + return br_mdb_ip_get(mdb, &br_dst); } #endif -static struct net_bridge_mdb_entry *br_mdb_ip_get( - struct net_bridge_mdb_htable *mdb, struct br_ip *dst) -{ - return __br_mdb_ip_get(mdb, dst, br_ip_hash(mdb, dst)); -} - struct net_bridge_mdb_entry *br_mdb_get(struct net_bridge *br, struct sk_buff *skb) { struct net_bridge_mdb_htable *mdb = br->mdb; struct br_ip ip; - if (!mdb || br->multicast_disabled) + if (br->multicast_disabled) return NULL; if (BR_INPUT_SKB_CB(skb)->igmp) @@ -1432,7 +1435,7 @@ static int br_multicast_ipv6_rcv(struct net_bridge *br, struct icmp6hdr *icmp6h; u8 nexthdr; unsigned len; - unsigned offset; + int offset; int err; if (!pskb_may_pull(skb, sizeof(*ip6h))) @@ -1725,13 +1728,9 @@ unlock: int br_multicast_toggle(struct net_bridge *br, unsigned long val) { struct net_bridge_port *port; - int err = -ENOENT; + int err = 0; spin_lock(&br->multicast_lock); - if (!netif_running(br->dev)) - goto unlock; - - err = 0; if (br->multicast_disabled == !val) goto unlock; @@ -1739,6 +1738,9 @@ int br_multicast_toggle(struct net_bridge *br, unsigned long val) if (br->multicast_disabled) goto unlock; + if (!netif_running(br->dev)) + goto unlock; + if (br->mdb) { if (br->mdb->old) { err = -EEXIST; |