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authorHerbert Xu <herbert@gondor.apana.org.au>2010-07-29 00:45:30 +0000
committerDavid S. Miller <davem@davemloft.net>2010-07-30 23:38:58 -0700
commit3a7fda06ba48e97650fe44ea8e8a7cc385e1c100 (patch)
tree115a1d78f4d9c8a45f04ad35029374fe2050884a /net/bridge
parentde140b0d511ad86a5dd0888c9095ae030ada2e86 (diff)
bridge: Allow multicast snooping to be disabled before ifup
Currently you cannot disable multicast snooping while a device is down. There is no good reason for this restriction and this patch removes it. Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/bridge')
-rw-r--r--net/bridge/br_multicast.c9
1 files changed, 4 insertions, 5 deletions
diff --git a/net/bridge/br_multicast.c b/net/bridge/br_multicast.c
index 85afcdab492..eb5b256ffc8 100644
--- a/net/bridge/br_multicast.c
+++ b/net/bridge/br_multicast.c
@@ -1728,13 +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;
@@ -1742,6 +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;