From: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
To: Nikita Yushchenko <nikita.yoush@cogentembedded.com>
Cc: Lee Jones <lee.jones@linaro.org>,
linux-staging@lists.linux.dev, linux-kernel@vger.kernel.org
Subject: Re: [PATCH] staging: most: dim2: force fcnt=3 on Renesas GEN3
Date: Mon, 27 Sep 2021 17:50:55 +0200 [thread overview]
Message-ID: <YVHoXyULqXsWktMN@kroah.com> (raw)
In-Reply-To: <17e51208-18b9-56d8-e8e3-2e40d6e94438@cogentembedded.com>
On Mon, Sep 27, 2021 at 06:40:13PM +0300, Nikita Yushchenko wrote:
> > > + dev_fcnt = pdata && pdata->fcnt ? pdata->fcnt : fcnt;
> >
> > Please use a real if () statement here and do not bury real logic in a
> > crazy line like this one, as that is all but impossible to maintain over
> > time.
>
> The same source file already uses the same form of conditional expressions several lines above:
>
> > ret = pdata && pdata->enable ? pdata->enable(pdev) : 0;
It's not good there either.
There is a reason this code is still in drivers/staging/ and that is one
of them. Let's not duplicate bad code for no real reason please.
> > dev->disable_platform = pdata ? pdata->disable : NULL;
>
> Shall I use real if statement for my expression while keeping those as-is? This looks ... strange.
> Or shall I convert all conditional expressions to if statements?
Do not add additional ? : statements in this patch. I would be glad to
take an add-on patch after this that fixes up the other uses in the
driver, but that should be separate as that is a separate issue here.
thanks,
greg k-h
next prev parent reply other threads:[~2021-09-27 15:50 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-09-21 16:51 [PATCH] staging: most: dim2: force fcnt=3 on Renesas GEN3 Nikita Yushchenko
2021-09-27 15:29 ` Greg Kroah-Hartman
2021-09-27 15:40 ` Nikita Yushchenko
2021-09-27 15:50 ` Greg Kroah-Hartman [this message]
2021-09-27 15:58 ` [PATCH v2] " Nikita Yushchenko
2021-09-28 7:11 ` Greg Kroah-Hartman
2021-09-27 16:06 ` [PATCH] staging: most: dim2: use if statements instead of ?: expressions Nikita Yushchenko
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