linux-kernel - Re: [PATCH] procfs: Do not release pid_ns->proc

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Message-ID: <4C18F625.9040107@openvz.org>
Date:	Wed, 16 Jun 2010 20:04:53 +0400
From:	Pavel Emelyanov <xemul@...nvz.org>
To:	Louis Rilling <louis.rilling@...labs.com>
CC:	Andrew Morton <akpm@...ux-foundation.org>,
	Oleg Nesterov <oleg@...hat.com>,
	Linux Containers <containers@...ts.osdl.org>,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH] procfs: Do not release pid_ns->proc_mnt too early

> +void proc_new_task(struct task_struct *task)
> +{
> +	struct pid *pid;
> +	int i;
> +
> +	if (!task->pid)
> +		return;
> +
> +	pid = task_pid(task);
> +	for (i = 0; i <= pid->level; i++)
> +		mntget(pid->numbers[i].ns->proc_mnt);

I feel I'm missing something significant, but this patch breaks
the mntget/mntput balance. Doesn't it?

> +}
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