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ipv4: Do cleanup for ip_mr_init

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Same as ip6_mr_init(), make ip_mr_init() return errno if fails.
But do not do error handling in inet_init(), just print a msg.

Signed-off-by: Wang Chen <wangchen@cn.fujitsu.com>
Signed-off-by: YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org>
This commit is contained in:
Wang Chen
2008-07-03 12:13:36 +08:00
committed by YOSHIFUJI Hideaki
parent 623d1a1af7
commit 03d2f897e9
4 changed files with 28 additions and 9 deletions
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28
net/ipv4/ipmr.c
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@@ -1878,16 +1878,36 @@ static struct net_protocol pim_protocol = {
* Setup for IP multicast routing
*/
void __init ip_mr_init(void)
int __init ip_mr_init(void)
{
int err;
mrt_cachep = kmem_cache_create("ip_mrt_cache",
sizeof(struct mfc_cache),
0, SLAB_HWCACHE_ALIGN|SLAB_PANIC,
NULL);
if (!mrt_cachep)
return -ENOMEM;
setup_timer(&ipmr_expire_timer, ipmr_expire_process, 0);
register_netdevice_notifier(&ip_mr_notifier);
err = register_netdevice_notifier(&ip_mr_notifier);
if (err)
goto reg_notif_fail;
#ifdef CONFIG_PROC_FS
proc_net_fops_create(&init_net, "ip_mr_vif", 0, &ipmr_vif_fops);
proc_net_fops_create(&init_net, "ip_mr_cache", 0, &ipmr_mfc_fops);
err = -ENOMEM;
if (!proc_net_fops_create(&init_net, "ip_mr_vif", 0, &ipmr_vif_fops))
goto proc_vif_fail;
if (!proc_net_fops_create(&init_net, "ip_mr_cache", 0, &ipmr_mfc_fops))
goto proc_cache_fail;
#endif
return 0;
reg_notif_fail:
kmem_cache_destroy(mrt_cachep);
#ifdef CONFIG_PROC_FS
proc_vif_fail:
unregister_netdevice_notifier(&ip_mr_notifier);
proc_cache_fail:
proc_net_remove(&init_net, "ip_mr_vif");
#endif
return err;
}