X-Git-Url: http://pilppa.org/gitweb/gitweb.cgi?a=blobdiff_plain;f=kernel%2Fnsproxy.c;h=e2ce748e96afaca08cf0e5b2821d4cf6e8cab823;hb=d735410a275991db736b3c8d7ef2e17ee114f5a6;hp=674aceb7335ad56f7a2a8ba2996d0faa4ed850db;hpb=12cbbd95e12e911b43afae7f6f4850f616223642;p=linux-2.6-omap-h63xx.git diff --git a/kernel/nsproxy.c b/kernel/nsproxy.c index 674aceb7335..e2ce748e96a 100644 --- a/kernel/nsproxy.c +++ b/kernel/nsproxy.c @@ -17,8 +17,9 @@ #include #include #include -#include +#include #include +#include struct nsproxy init_nsproxy = INIT_NSPROXY(init_nsproxy); @@ -45,8 +46,10 @@ static inline struct nsproxy *clone_namespaces(struct nsproxy *orig) struct nsproxy *ns; ns = kmemdup(orig, sizeof(struct nsproxy), GFP_KERNEL); - if (ns) + if (ns) { atomic_set(&ns->count, 1); + ns->id = -1; + } return ns; } @@ -60,12 +63,14 @@ struct nsproxy *dup_namespaces(struct nsproxy *orig) struct nsproxy *ns = clone_namespaces(orig); if (ns) { - if (ns->namespace) - get_namespace(ns->namespace); + if (ns->mnt_ns) + get_mnt_ns(ns->mnt_ns); if (ns->uts_ns) get_uts_ns(ns->uts_ns); if (ns->ipc_ns) get_ipc_ns(ns->ipc_ns); + if (ns->pid_ns) + get_pid_ns(ns->pid_ns); } return ns; @@ -97,7 +102,7 @@ int copy_namespaces(int flags, struct task_struct *tsk) tsk->nsproxy = new_ns; - err = copy_namespace(flags, tsk); + err = copy_mnt_ns(flags, tsk); if (err) goto out_ns; @@ -109,16 +114,23 @@ int copy_namespaces(int flags, struct task_struct *tsk) if (err) goto out_ipc; + err = copy_pid_ns(flags, tsk); + if (err) + goto out_pid; + out: put_nsproxy(old_ns); return err; +out_pid: + if (new_ns->ipc_ns) + put_ipc_ns(new_ns->ipc_ns); out_ipc: if (new_ns->uts_ns) put_uts_ns(new_ns->uts_ns); out_uts: - if (new_ns->namespace) - put_namespace(new_ns->namespace); + if (new_ns->mnt_ns) + put_mnt_ns(new_ns->mnt_ns); out_ns: tsk->nsproxy = old_ns; kfree(new_ns); @@ -127,11 +139,13 @@ out_ns: void free_nsproxy(struct nsproxy *ns) { - if (ns->namespace) - put_namespace(ns->namespace); - if (ns->uts_ns) - put_uts_ns(ns->uts_ns); - if (ns->ipc_ns) - put_ipc_ns(ns->ipc_ns); - kfree(ns); + if (ns->mnt_ns) + put_mnt_ns(ns->mnt_ns); + if (ns->uts_ns) + put_uts_ns(ns->uts_ns); + if (ns->ipc_ns) + put_ipc_ns(ns->ipc_ns); + if (ns->pid_ns) + put_pid_ns(ns->pid_ns); + kfree(ns); }