[Devel] Re: [RFC][PATCH 1/5] pid: Implement ns_of_pid

[Bastian Blank]

On Tue, Nov 25, 2008 at 07:44:42PM -0800, Sukadev Bhattiprolu wrote:
> +/* ns_of_pid returns the pid namespace in which the specified
> + * pid was allocated.
> + */
> +static inline struct pid_namespace *ns_of_pid(struct pid *pid)
> +{
> +	struct pid_namespace *ns = NULL;
> +	if (pid)
> +		ns = pid->numbers[pid->level].ns;
> +	return ns;
> +}
> +

When can the pid argument be null?

Bastian

-- 
Another Armenia, Belgium ... the weak innocents who always seem to be
located on a natural invasion route.
		-- Kirk, "Errand of Mercy", stardate 3198.4
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