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ipv4: register igmp_notifier even when !CONFIG_PROC_FS

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We still need this notifier even when we don't config
PROC_FS.

It should be rare to have a kernel without PROC_FS,
so just for completeness.

Cc: Stephen Hemminger <stephen@networkplumber.org>
Cc: David S. Miller <davem@davemloft.net>
Cc: Patrick McHardy <kaber@trash.net>
Signed-off-by: Cong Wang <xiyou.wangcong@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
WANG Cong 2014-01-10 16:09:45 -08:00 committed by David S. Miller
parent c49fa01663
commit 72c1d3bdd5
3 changed files with 9 additions and 5 deletions
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2
include/net/ip.h
View file

@ -90,7 +90,7 @@ struct packet_type;
struct rtable; struct rtable;
struct sockaddr; struct sockaddr;
int igmp_mc_proc_init(void); int igmp_mc_init(void);
/* /*
* Functions provided by ip.c * Functions provided by ip.c

8
net/ipv4/igmp.c
View file

@ -2762,6 +2762,7 @@ static struct pernet_operations igmp_net_ops = {
.init = igmp_net_init, .init = igmp_net_init,
.exit = igmp_net_exit, .exit = igmp_net_exit,
}; };
#endif
static int igmp_netdev_event(struct notifier_block *this, static int igmp_netdev_event(struct notifier_block *this,
unsigned long event, void *ptr) unsigned long event, void *ptr)
@ -2785,8 +2786,9 @@ static struct notifier_block igmp_notifier = {
.notifier_call = igmp_netdev_event, .notifier_call = igmp_netdev_event,
}; };
int __init igmp_mc_proc_init(void) int __init igmp_mc_init(void)
{ {
#if defined(CONFIG_PROC_FS)
int err; int err;
err = register_pernet_subsys(&igmp_net_ops); err = register_pernet_subsys(&igmp_net_ops);
@ -2800,5 +2802,7 @@ int __init igmp_mc_proc_init(void)
reg_notif_fail: reg_notif_fail:
unregister_pernet_subsys(&igmp_net_ops); unregister_pernet_subsys(&igmp_net_ops);
return err; return err;
} #else
return register_netdevice_notifier(&igmp_notifier);
#endif #endif
}

4
net/ipv4/ip_output.c
View file

@ -1553,7 +1553,7 @@ void __init ip_init(void)
ip_rt_init(); ip_rt_init();
inet_initpeers(); inet_initpeers();
#if defined(CONFIG_IP_MULTICAST) && defined(CONFIG_PROC_FS) #if defined(CONFIG_IP_MULTICAST)
igmp_mc_proc_init(); igmp_mc_init();
#endif #endif
} }