On Sun, Jul 6, 2014 at 8:41 PM, Linus Lüssing <linus.luessing@xxxxxx> wrote: > diff --git a/include/linux/if_bridge.h b/include/linux/if_bridge.h > index fd22789..e0c575c 100644 > --- a/include/linux/if_bridge.h > +++ b/include/linux/if_bridge.h > @@ -36,8 +36,22 @@ extern void brioctl_set(int (*ioctl_hook)(struct net *, unsigned int, void __use > > typedef int br_should_route_hook_t(struct sk_buff *skb); > extern br_should_route_hook_t __rcu *br_should_route_hook; > + > +#if IS_ENABLED(CONFIG_BRIDGE) && IS_ENABLED(CONFIG_BRIDGE_IGMP_SNOOPING) Nit: CONFIG_BRIDGE_IGMP_SNOOPING depends CONFIG_BRIDGE, so you can just check CONFIG_BRIDGE_IGMP_SNOOPING.