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[IPV6]: create route6 proc init-fini functions

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Make the proc creation/destruction to be a separate function. That
allows to remove the #ifdef CONFIG_PROC_FS in the init/fini function
and make them more readable.

Signed-off-by: Daniel Lezcano <dlezcano@fr.ibm.com>
Acked-by: YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Daniel Lezcano 2007-12-08 00:13:32 -08:00 committed by David S. Miller
parent b8e1f9b5c3
commit 75314fb383
1 changed files with 40 additions and 18 deletions
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58
net/ipv6/route.c
View file

@ -2358,6 +2358,40 @@ static const struct file_operations rt6_stats_seq_fops = {
.llseek = seq_lseek,
.release = single_release,
};
static int ipv6_route_proc_init(struct net *net)
{
int ret = -ENOMEM;
if (!proc_net_fops_create(net, "ipv6_route",
0, &ipv6_route_proc_fops))
goto out;
if (!proc_net_fops_create(net, "rt6_stats",
S_IRUGO, &rt6_stats_seq_fops))
goto out_ipv6_route;
ret = 0;
out:
return ret;
out_ipv6_route:
proc_net_remove(net, "ipv6_route");
goto out;
}
static void ipv6_route_proc_fini(struct net *net)
{
proc_net_remove(net, "ipv6_route");
proc_net_remove(net, "rt6_stats");
}
#else
static inline int ipv6_route_proc_init(struct net *net)
{
return 0;
}
static inline void ipv6_route_proc_fini(struct net *net)
{
return ;
}
#endif /* CONFIG_PROC_FS */
#ifdef CONFIG_SYSCTL
@ -2484,21 +2518,14 @@ int __init ip6_route_init(void)
if (ret)
goto out_kmem_cache;
#ifdef CONFIG_PROC_FS
ret = -ENOMEM;
if (!proc_net_fops_create(&init_net, "ipv6_route",
0, &ipv6_route_proc_fops))
ret = ipv6_route_proc_init(&init_net);
if (ret)
goto out_fib6_init;
if (!proc_net_fops_create(&init_net, "rt6_stats",
S_IRUGO, &rt6_stats_seq_fops))
goto out_proc_ipv6_route;
#endif
#ifdef CONFIG_XFRM
ret = xfrm6_init();
if (ret)
goto out_proc_rt6_stats;
goto out_proc_init;
#endif
#ifdef CONFIG_IPV6_MULTIPLE_TABLES
ret = fib6_rules_init();
@ -2522,14 +2549,10 @@ int __init ip6_route_init(void)
#endif
#ifdef CONFIG_XFRM
xfrm6_fini();
out_proc_rt6_stats:
#endif
#ifdef CONFIG_PROC_FS
proc_net_remove(&init_net, "rt6_stats");
out_proc_ipv6_route:
proc_net_remove(&init_net, "ipv6_route");
out_proc_init:
ipv6_route_proc_fini(&init_net);
out_fib6_init:
#endif
rt6_ifdown(NULL);
fib6_gc_cleanup();
out_kmem_cache:
@ -2542,8 +2565,7 @@ void ip6_route_cleanup(void)
#ifdef CONFIG_IPV6_MULTIPLE_TABLES
fib6_rules_cleanup();
#endif
proc_net_remove(&init_net, "ipv6_route");
proc_net_remove(&init_net, "rt6_stats");
ipv6_route_proc_fini(&init_net);
#ifdef CONFIG_XFRM
xfrm6_fini();
#endif