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| author | Wang Chen <wangchen@cn.fujitsu.com> | 2008-07-03 12:13:36 +0800 |
|---|---|---|
| committer | YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org> | 2008-07-03 17:51:57 +0900 |
| commit | 03d2f897e9fb3218989baa2139a951ce7f5414bf (patch) | |
| tree | 2949bdd7fbe49c3754cdc8140d5b67b37f0edd66 /net/ipv4/ipmr.c | |
| parent | 623d1a1af77bd52a389c6eda5920e28eb2ee468b (diff) | |
| download | linux-3.10-03d2f897e9fb3218989baa2139a951ce7f5414bf.tar.gz linux-3.10-03d2f897e9fb3218989baa2139a951ce7f5414bf.tar.bz2 linux-3.10-03d2f897e9fb3218989baa2139a951ce7f5414bf.zip | |
ipv4: Do cleanup for ip_mr_init
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>
Diffstat (limited to 'net/ipv4/ipmr.c')
| -rw-r--r-- | net/ipv4/ipmr.c | 28 |
1 files changed, 24 insertions, 4 deletions
diff --git a/net/ipv4/ipmr.c b/net/ipv4/ipmr.c index 300ab0c2919..438fab9c62a 100644 --- a/net/ipv4/ipmr.c +++ b/net/ipv4/ipmr.c @@ -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; } |