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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>
This commit is contained in:
Herbert Xu 2010-07-29 00:45:30 +00:00 committed by David S. Miller
parent de140b0d51
commit 3a7fda06ba
1 changed files with 4 additions and 5 deletions
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9
net/bridge/br_multicast.c
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@ -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;