linux-kernel - Re: [PATCH v3 1/1] pidfd: implement PIDFD_THREAD flag for pidfd

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Date: Wed, 31 Jan 2024 19:01:47 +0100
From: Oleg Nesterov <oleg@...hat.com>
To: Tycho Andersen <tycho@...ho.pizza>
Cc: Christian Brauner <brauner@...nel.org>,
	"Eric W. Biederman" <ebiederm@...ssion.com>,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH v3 1/1] pidfd: implement PIDFD_THREAD flag for
 pidfd_open()

On 01/31, Tycho Andersen wrote:
>
> >  int pidfd_prepare(struct pid *pid, unsigned int flags, struct file **ret)
> >  {
> > -	if (!pid || !pid_has_task(pid, PIDTYPE_TGID))
> > +	bool thread = flags & PIDFD_THREAD;
> > +
> > +	if (!pid || !pid_has_task(pid, thread ? PIDTYPE_PID : PIDTYPE_TGID));
>
> Small typo here, trailing ;. When I fix that, tests pass for me.

OOPS.

Christian, should I spam lkml with v4, or will you add this fix yourself?

> Assuming that's fixed up:
>
> Reviewed-by: Tycho Andersen <tandersen@...flix.com>
> Tested-by: Tycho Andersen <tandersen@...flix.com>

Thanks Tycho!!!

Oleg.