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

Bastian Blank
2008-11-27T01:15:43Z

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