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| author |   Satish Ashok <sashok@cumulusnetworks.com> | 2015-06-19 01:22:57 -0700 |
|---|---|---|
| committer |   David S. Miller <davem@davemloft.net> | 2015-06-23 03:31:29 -0700 |
| commit | 754bc547f0a79f7568b5b81c7fc0a8d044a6571a (patch) | |
| tree | 1e3f32959fbba7ddd144f2d09b07c4b55353cd4c /net | |
| parent | NET: ROSE: Don't dereference NULL neighbour pointer. (diff) | |
| download | linux-dev-754bc547f0a79f7568b5b81c7fc0a8d044a6571a.tar.xz linux-dev-754bc547f0a79f7568b5b81c7fc0a8d044a6571a.zip | |
bridge: multicast: restore router configuration on port link down/up
When a port goes through a link down/up the multicast router configuration
is not restored.
Signed-off-by: Satish Ashok <sashok@cumulusnetworks.com>
Signed-off-by: Nikolay Aleksandrov <nikolay@cumulusnetworks.com>
Fixes: 0909e11758bd ("bridge: Add multicast_router sysfs entries")
Acked-by: Herbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net')
| -rw-r--r-- | net/bridge/br_multicast.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/net/bridge/br_multicast.c b/net/bridge/br_multicast.c index ff667e18b2d6..761fc733bf6d 100644 --- a/net/bridge/br_multicast.c +++ b/net/bridge/br_multicast.c @@ -37,6 +37,8 @@ static void br_multicast_start_querier(struct net_bridge *br, struct bridge_mcast_own_query *query); +static void br_multicast_add_router(struct net_bridge *br, + struct net_bridge_port *port); unsigned int br_mdb_rehash_seq; static inline int br_ip_equal(const struct br_ip *a, const struct br_ip *b) @@ -936,6 +938,8 @@ void br_multicast_enable_port(struct net_bridge_port *port) #if IS_ENABLED(CONFIG_IPV6) br_multicast_enable(&port->ip6_own_query); #endif + if (port->multicast_router == 2 && hlist_unhashed(&port->rlist)) + br_multicast_add_router(br, port); out: spin_unlock(&br->multicast_lock); |