Re: [PATCH v1 2/4] pid: add pidctl()

From: Joel Fernandes
Date: Tue Mar 26 2019 - 13:19:10 EST


On Tue, Mar 26, 2019 at 1:17 PM Christian Brauner <christian@xxxxxxxxxx> wrote:
>
> On Tue, Mar 26, 2019 at 01:15:25PM -0400, Joel Fernandes wrote:
> > On Tue, Mar 26, 2019 at 06:08:28PM +0100, Christian Brauner wrote:
> > [snip]
> > > >
> > > > > +
> > > > > + if (!result)
> > > > > + result = -ENOENT;
> > > > > +
> > > > > + put_pid(struct_pid);
> > > >
> > > > so on error you would put_pid twice which seems odd.. I would suggest, don't
> > > > release the pid ref from within pidfd_create_fd, release the ref from the
> > > > caller. Speaking of which, I added to my list to convert the pid->count to
> > > > refcount_t at some point :)
> > >
> > > as i said, pidfd_create_fd takes its own reference
> >
> > Oh. That was easy to miss. Fair enough. I take that comment back.
> >
> > Please also reply to the other comments I posted, thanks. Generally on LKML,
> > I have seen there is an expectation to reply to all reviewer's review
> > comments even if you agree with them. This helps keep the review going
> > smoothly. Just my 2 cents.
>
> I tend to do it in multiple mails depending on whether or not I need to
> think about a comment or not.

Ok, that's also fine with me. thanks,

- Joel