{
struct task_struct *tsk = current;
struct nsproxy *new_nsproxy;
- struct proc_ns *ei;
struct file *file;
struct ns_common *ns;
int err;
return PTR_ERR(file);
err = -EINVAL;
- ei = get_proc_ns(file_inode(file));
- ns = ei->ns;
+ ns = get_proc_ns(file_inode(file));
if (nstype && (ns->ops->type != nstype))
goto out;