From: Dan Carpenter <dan.carpenter@oracle.com>
To: Linus Walleij <linus.walleij@linaro.org>
Cc: kernel-janitors@vger.kernel.org,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
Haojian Zhuang <haojian.zhuang@gmail.com>,
"open list:GPIO SUBSYSTEM" <linux-gpio@vger.kernel.org>,
Christophe JAILLET <christophe.jaillet@wanadoo.fr>,
Daniel Mack <daniel@zonque.org>,
Robert Jarzmik <robert.jarzmik@free.fr>,
Linux ARM <linux-arm-kernel@lists.infradead.org>
Subject: Re: [PATCH] pinctrl: pxa: pxa2xx: Remove 'pxa2xx_pinctrl_exit()' which is unused and broken
Date: Thu, 4 Jun 2020 11:31:20 +0300 [thread overview]
Message-ID: <20200604083120.GF22511@kadam> (raw)
In-Reply-To: <CACRpkdasbS-4_ZwC-Ucm8tkSUW5tAQdUrXjxHXQ3J0goVYfgHw@mail.gmail.com>
On Thu, Jun 04, 2020 at 12:08:49AM +0200, Linus Walleij wrote:
> On Mon, Jun 1, 2020 at 8:31 PM Dan Carpenter <dan.carpenter@oracle.com> wrote:
> > On Mon, Jun 01, 2020 at 01:31:23PM +0200, Christophe JAILLET wrote:
> > > Le 01/06/2020 à 10:58, Robert Jarzmik a écrit :
> > > > Christophe JAILLET <christophe.jaillet@wanadoo.fr> writes:
> > > >
> > > > > Commit 6d33ee7a0534 ("pinctrl: pxa: Use devm_pinctrl_register() for pinctrl registration")
> > > > > has turned a 'pinctrl_register()' into 'devm_pinctrl_register()' in
> > > > > 'pxa2xx_pinctrl_init()'.
> > > > > However, the corresponding 'pinctrl_unregister()' call in
> > > > > 'pxa2xx_pinctrl_exit()' has not been removed.
> > > > >
> > > > > This is not an issue, because 'pxa2xx_pinctrl_exit()' is unused.
> > > > > Remove it now to avoid some wondering in the future and save a few LoC.
> > > > >
> > > > > Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
> > > > Acked-by: Robert Jarzmik <robert.jarzmik@free.fr>
> > > >
> > > > Would be even a better patch with a :
> > > > Fixes: 6d33ee7a0534 ("pinctrl: pxa: Use devm_pinctrl_register() for pinctrl registration")
> > >
> > > I was wondering it was was needed in this case.
> > > The patch does not really fix anything, as the function is unused. Or it
> > > fixes things on a theoretical point of view.
> >
> > There is no concensus... We should call a vote on this at Kernel
> > Summit. :P
>
> Fixes means it fixes something that was wrong in that commit.
> That's all. Whether syntactic or semantic or regression or
> serious or not does not matter. It is also not compulsory to
> add it is just helpful.
Fixes tag should be compulsory for actual bug fixes. We had a the
Bad Binder exploit last year because commit f5cb779ba163
("ANDROID: binder: remove waitqueue when thread exits.") had no Fixes
tag and wasn't backported to Android kernels.
regards,
dan carpenter
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next prev parent reply other threads:[~2020-06-04 8:32 UTC|newest]
Thread overview: 18+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-05-31 7:37 [PATCH] pinctrl: pxa: pxa2xx: Remove 'pxa2xx_pinctrl_exit()' which is unused and broken Christophe JAILLET
2020-06-01 8:58 ` Robert Jarzmik
2020-06-01 11:31 ` Christophe JAILLET
2020-06-01 18:31 ` Dan Carpenter
2020-06-03 22:08 ` Linus Walleij
2020-06-04 8:31 ` Dan Carpenter [this message]
2020-06-04 9:17 ` Joe Perches
2020-06-04 9:52 ` Julia Lawall
2020-06-04 10:00 ` Joe Perches
2020-06-04 10:33 ` Julia Lawall
2020-06-04 11:08 ` Joe Perches
2020-06-04 11:42 ` Julia Lawall
2020-06-04 12:30 ` Dan Carpenter
2020-06-04 16:08 ` Joe Perches
2020-06-04 16:29 ` Julia Lawall
2020-06-04 17:35 ` Dan Carpenter
2020-06-04 18:02 ` Joe Perches
2020-06-03 22:05 ` Linus Walleij
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