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copy address of proc_ns_ops into ns_common

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Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
This commit is contained in:
Al Viro 2014-11-01 02:32:53 -04:00
parent 6344c433a4
commit 33c429405a
13 changed files with 34 additions and 10 deletions
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8
kernel/nsproxy.c
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@ -220,11 +220,11 @@ void exit_task_namespaces(struct task_struct *p)
SYSCALL_DEFINE2(setns, int, fd, int, nstype)
{
const struct proc_ns_operations *ops;
struct task_struct *tsk = current;
struct nsproxy *new_nsproxy;
struct proc_ns *ei;
struct file *file;
struct ns_common *ns;
int err;
file = proc_ns_fget(fd);
@ -233,8 +233,8 @@ SYSCALL_DEFINE2(setns, int, fd, int, nstype)
err = -EINVAL;
ei = get_proc_ns(file_inode(file));
ops = ei->ns_ops;
if (nstype && (ops->type != nstype))
ns = ei->ns;
if (nstype && (ns->ops->type != nstype))
goto out;
new_nsproxy = create_new_namespaces(0, tsk, current_user_ns(), tsk->fs);
@ -243,7 +243,7 @@ SYSCALL_DEFINE2(setns, int, fd, int, nstype)
goto out;
}
err = ops->install(new_nsproxy, ei->ns);
err = ns->ops->install(new_nsproxy, ns);
if (err) {
free_nsproxy(new_nsproxy);
goto out;