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Rename nsproxy.pid_ns to nsproxy.pid_ns_for_children

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nsproxy.pid_ns is *not* the task's pid namespace.  The name should clarify
that.

This makes it more obvious that setns on a pid namespace is weird --
it won't change the pid namespace shown in procfs.

Signed-off-by: Andy Lutomirski <luto@amacapital.net>
Reviewed-by: "Eric W. Biederman" <ebiederm@xmission.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Andy Lutomirski 2013-08-22 11:39:16 -07:00 • committed by David S. Miller
parent d661684cf6
commit c2b1df2eb4
4 changed files with 24 additions and 18 deletions
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5
kernel/fork.c
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@ -1177,7 +1177,8 @@ static struct task_struct *copy_process(unsigned long clone_flags,
* don't allow the creation of threads.
*/
if ((clone_flags & (CLONE_VM|CLONE_NEWPID)) &&
(task_active_pid_ns(current) != current->nsproxy->pid_ns))
(task_active_pid_ns(current) !=
current->nsproxy->pid_ns_for_children))
return ERR_PTR(-EINVAL);
retval = security_task_create(clone_flags);
@ -1351,7 +1352,7 @@ static struct task_struct *copy_process(unsigned long clone_flags,
if (pid != &init_struct_pid) {
retval = -ENOMEM;
pid = alloc_pid(p->nsproxy->pid_ns);
pid = alloc_pid(p->nsproxy->pid_ns_for_children);
if (!pid)
goto bad_fork_cleanup_io;
}