user namespace: add the framework

[net-next-2.6.git] / kernel / nsproxy.c

diff --git a/kernel/nsproxy.c b/kernel/nsproxy.c
index e38bed75367d6e0c480af576cbd54f1c347a4318..895e3a3f20442e9420464b00889ec16583fea313 100644 (file)
--- a/kernel/nsproxy.c
+++ b/kernel/nsproxy.c
@@ -79,8 +79,15 @@ static struct nsproxy *create_new_namespaces(int flags, struct task_struct *tsk,
        if (IS_ERR(new_nsp->pid_ns))
                goto out_pid;
 
+       new_nsp->user_ns = copy_user_ns(flags, tsk->nsproxy->user_ns);
+       if (IS_ERR(new_nsp->user_ns))
+               goto out_user;
+
        return new_nsp;
 
+out_user:
+       if (new_nsp->pid_ns)
+               put_pid_ns(new_nsp->pid_ns);
 out_pid:
        if (new_nsp->ipc_ns)
                put_ipc_ns(new_nsp->ipc_ns);
@@ -140,6 +147,8 @@ void free_nsproxy(struct nsproxy *ns)
                put_ipc_ns(ns->ipc_ns);
        if (ns->pid_ns)
                put_pid_ns(ns->pid_ns);
+       if (ns->user_ns)
+               put_user_ns(ns->user_ns);
        kfree(ns);
 }