Commit 4950cfd1 authored Feb 26, 2016 by Nikolay Aleksandrov Committed by David S. Miller Mar 01, 2016

bridge: mcast: do nothing if port's multicast_router is set to the same val



This is needed for the upcoming temporary port router. There's no point
to go through the logic if the value is the same.

Signed-off-by: Nikolay Aleksandrov <nikolay@cumulusnetworks.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

parent 7f0aec7a

net/bridge/br_multicast.c

+4 −1

Original line number	Diff line number	Diff line
		@@ -1853,7 +1853,10 @@ int br_multicast_set_port_router(struct net_bridge_port *p, unsigned long val)
		int err = -EINVAL;

		spin_lock(&br->multicast_lock);

		if (p->multicast_router == val) {
		err = 0;
		goto unlock;
		}
		switch (val) {
		case MDB_RTR_TYPE_DISABLED:
		p->multicast_router = MDB_RTR_TYPE_DISABLED;