Re: [PATCH RESEND v3] tpm: fix an invalid condition in tpm_common_poll
From: Jarkko Sakkinen
Date: Wed Mar 27 2019 - 00:29:33 EST
On Tue, Mar 26, 2019 at 08:58:28AM -0700, Tadeusz Struk wrote:
> Hi Jarkko,
> On 3/25/19 7:09 AM, Jarkko Sakkinen wrote:
> > It is still missing the comment I asked to add. Otherwise, it is good.
> >
>
> Sorry, I didn't see your email with the suggestion earlier.
> To be honest I'm not sure if this comment adds much value, or if it is
> even correct. The poll doesn't "succeed" or "fail". It just returns
> a mask indicating if there is any data to read or if the user can write.
>
> Isn't the commit message + 'git blame' enough to remember why it was
> done this way?
Comments in the code have also their time and place especially when
doing code reviews. Usually I like to have something in a site where
there has been a race even if it was for fairly trivial reason. If you
want to refine the comment to be more to the point, that is perfectly
fine.
/Jarkko