diff options
author | Thomas Gleixner <tglx@linutronix.de> | 2015-01-12 10:51:13 +0100 |
---|---|---|
committer | Thomas Gleixner <tglx@linutronix.de> | 2015-01-12 10:51:13 +0100 |
commit | 2f5eaf66e580f64032b365a00157b6b58c266b37 (patch) | |
tree | 7852017c864f0eb3833782e2a017952bd8531458 /net/core/net_namespace.c | |
parent | c291ee622165cb2c8d4e7af63fffd499354a23be (diff) | |
parent | 91d1179212161f220938198b742c328ad38fd0a3 (diff) |
Merge tag 'irqchip-urgent-3.19' of git://git.infradead.org/users/jcooper/linux into irq/urgent
irqchip urgent fixes for v3.19 from Jason Cooper
- mtk-sysirq: Fix error handling
- hip04: Fix cpu map for 16bit value
- gic-v3-its: Clear a warning regarding decimal constants
- omap-intc: Fix legacy DMA regression
- atmel-aic-common: Retain priority when changing type
Diffstat (limited to 'net/core/net_namespace.c')
-rw-r--r-- | net/core/net_namespace.c | 39 |
1 files changed, 20 insertions, 19 deletions
diff --git a/net/core/net_namespace.c b/net/core/net_namespace.c index 7f155175bba..ce780c722e4 100644 --- a/net/core/net_namespace.c +++ b/net/core/net_namespace.c @@ -337,17 +337,17 @@ EXPORT_SYMBOL_GPL(__put_net); struct net *get_net_ns_by_fd(int fd) { - struct proc_ns *ei; struct file *file; + struct ns_common *ns; struct net *net; file = proc_ns_fget(fd); if (IS_ERR(file)) return ERR_CAST(file); - ei = get_proc_ns(file_inode(file)); - if (ei->ns_ops == &netns_operations) - net = get_net(ei->ns); + ns = get_proc_ns(file_inode(file)); + if (ns->ops == &netns_operations) + net = get_net(container_of(ns, struct net, ns)); else net = ERR_PTR(-EINVAL); @@ -386,12 +386,15 @@ EXPORT_SYMBOL_GPL(get_net_ns_by_pid); static __net_init int net_ns_net_init(struct net *net) { - return proc_alloc_inum(&net->proc_inum); +#ifdef CONFIG_NET_NS + net->ns.ops = &netns_operations; +#endif + return ns_alloc_inum(&net->ns); } static __net_exit void net_ns_net_exit(struct net *net) { - proc_free_inum(net->proc_inum); + ns_free_inum(&net->ns); } static struct pernet_operations __net_initdata net_ns_ops = { @@ -629,7 +632,7 @@ void unregister_pernet_device(struct pernet_operations *ops) EXPORT_SYMBOL_GPL(unregister_pernet_device); #ifdef CONFIG_NET_NS -static void *netns_get(struct task_struct *task) +static struct ns_common *netns_get(struct task_struct *task) { struct net *net = NULL; struct nsproxy *nsproxy; @@ -640,17 +643,22 @@ static void *netns_get(struct task_struct *task) net = get_net(nsproxy->net_ns); task_unlock(task); - return net; + return net ? &net->ns : NULL; } -static void netns_put(void *ns) +static inline struct net *to_net_ns(struct ns_common *ns) { - put_net(ns); + return container_of(ns, struct net, ns); } -static int netns_install(struct nsproxy *nsproxy, void *ns) +static void netns_put(struct ns_common *ns) { - struct net *net = ns; + put_net(to_net_ns(ns)); +} + +static int netns_install(struct nsproxy *nsproxy, struct ns_common *ns) +{ + struct net *net = to_net_ns(ns); if (!ns_capable(net->user_ns, CAP_SYS_ADMIN) || !ns_capable(current_user_ns(), CAP_SYS_ADMIN)) @@ -661,18 +669,11 @@ static int netns_install(struct nsproxy *nsproxy, void *ns) return 0; } -static unsigned int netns_inum(void *ns) -{ - struct net *net = ns; - return net->proc_inum; -} - const struct proc_ns_operations netns_operations = { .name = "net", .type = CLONE_NEWNET, .get = netns_get, .put = netns_put, .install = netns_install, - .inum = netns_inum, }; #endif |