diff options
Diffstat (limited to 'net/ipv6')
| -rw-r--r-- | net/ipv6/route.c | 64 |
1 files changed, 53 insertions, 11 deletions
diff --git a/net/ipv6/route.c b/net/ipv6/route.c index 452111fa4c5..d7754abf921 100644 --- a/net/ipv6/route.c +++ b/net/ipv6/route.c @@ -2468,26 +2468,70 @@ ctl_table ipv6_route_table[] = { #endif -void __init ip6_route_init(void) +int __init ip6_route_init(void) { + int ret; + ip6_dst_ops.kmem_cachep = kmem_cache_create("ip6_dst_cache", sizeof(struct rt6_info), 0, SLAB_HWCACHE_ALIGN|SLAB_PANIC, NULL); ip6_dst_blackhole_ops.kmem_cachep = ip6_dst_ops.kmem_cachep; - fib6_init(); - proc_net_fops_create(&init_net, "ipv6_route", 0, &ipv6_route_proc_fops); - proc_net_fops_create(&init_net, "rt6_stats", S_IRUGO, &rt6_stats_seq_fops); + ret = fib6_init(); + 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)) + 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 - xfrm6_init(); + ret = xfrm6_init(); + if (ret) + goto out_proc_rt6_stats; #endif #ifdef CONFIG_IPV6_MULTIPLE_TABLES - fib6_rules_init(); + ret = fib6_rules_init(); + if (ret) + goto xfrm6_init; #endif + ret = -ENOBUFS; + if (__rtnl_register(PF_INET6, RTM_NEWROUTE, inet6_rtm_newroute, NULL) || + __rtnl_register(PF_INET6, RTM_DELROUTE, inet6_rtm_delroute, NULL) || + __rtnl_register(PF_INET6, RTM_GETROUTE, inet6_rtm_getroute, NULL)) + goto fib6_rules_init; - __rtnl_register(PF_INET6, RTM_NEWROUTE, inet6_rtm_newroute, NULL); - __rtnl_register(PF_INET6, RTM_DELROUTE, inet6_rtm_delroute, NULL); - __rtnl_register(PF_INET6, RTM_GETROUTE, inet6_rtm_getroute, NULL); + ret = 0; +out: + return ret; + +fib6_rules_init: +#ifdef CONFIG_IPV6_MULTIPLE_TABLES + fib6_rules_cleanup(); +xfrm6_init: +#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_fib6_init: +#endif + rt6_ifdown(NULL); + fib6_gc_cleanup(); +out_kmem_cache: + kmem_cache_destroy(ip6_dst_ops.kmem_cachep); + goto out; } void ip6_route_cleanup(void) @@ -2495,10 +2539,8 @@ void ip6_route_cleanup(void) #ifdef CONFIG_IPV6_MULTIPLE_TABLES fib6_rules_cleanup(); #endif -#ifdef CONFIG_PROC_FS proc_net_remove(&init_net, "ipv6_route"); proc_net_remove(&init_net, "rt6_stats"); -#endif #ifdef CONFIG_XFRM xfrm6_fini(); #endif |