Re: [PATCH 4/8] make do_notify_parent() __must_check, update thecallers

From: Tejun Heo
Date: Thu Jun 23 2011 - 09:38:16 EST

On Wed, Jun 22, 2011 at 11:09:09PM +0200, Oleg Nesterov wrote:
> Change other callers of do_notify_parent() to check the value it
> returns, this makes the subsequent task_detached() unnecessary.
> Mark do_notify_parent() as __must_check.
> Use thread_group_leader() instead of !task_detached() to check
> if we need to notify the real parent in wait_task_zombie().
> Remove the stale comment in release_task(). "just for sanity" is
> no longer true, we have to set EXIT_DEAD to avoid the races with
> do_wait().
> Signed-off-by: Oleg Nesterov <oleg@xxxxxxxxxx>

Acked-by: Tejun Heo <tj@xxxxxxxxxx>


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