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From: Linus Walleij <linus.walleij@linaro.org>
To: Drew Fustini <drew@beagleboard.org>
Cc: Tony Lindgren <tony@atomide.com>,
	Rob Herring <robh+dt@kernel.org>,
	Jason Kridner <jkridner@beagleboard.org>,
	Robert Nelson <robertcnelson@gmail.com>,
	Trent Piepho <tpiepho@gmail.com>,
	Christina Quast <cquast@hanoverdisplays.com>,
	Linux-OMAP <linux-omap@vger.kernel.org>,
	"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
	"open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS" 
	<devicetree@vger.kernel.org>,
	"open list:GPIO SUBSYSTEM" <linux-gpio@vger.kernel.org>
Subject: Re: [PATCH v2] pinctrl: single: fix pinctrl_spec.args_count bounds check
Date: Thu, 1 Oct 2020 10:03:08 +0200	[thread overview]
Message-ID: <CACRpkdYkxTiC9iMJV8SrMGXHU5jGut8vJ=1WQFK=avXd5PrE_w@mail.gmail.com> (raw)
In-Reply-To: <20200930174839.1308344-1-drew@beagleboard.org>

On Wed, Sep 30, 2020 at 7:51 PM Drew Fustini <drew@beagleboard.org> wrote:

> The property #pinctrl-cells can either be 1 or 2:
>
> - if #pinctrl-cells = <1>, then pinctrl_spec.args_count = 2
> - if #pinctrl-cells = <2>, then pinctrl_spec.args_count = 3
>
> All other values of pinctrl_spec.args_count are incorrect.  This fix
> checks the upper bound instead of just the lower bound.
>
> Fixes: a13395418888 ("pinctrl: single: parse #pinctrl-cells = 2")
> Reported-by: Trent Piepho <tpiepho@gmail.com>
> Link: https://lore.kernel.org/linux-omap/3139716.CMS8C0sQ7x@zen.local/
> Signed-off-by: Drew Fustini <drew@beagleboard.org>
> ---
> v2 change:
> - correct the description as I had previously been mistakenly using the
>   term #pinctrl-cells instead of pinctrl_spec.args_count

Patch applied!

Yours,
Linus Walleij

      parent reply	other threads:[~2020-10-01  8:03 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-09-30 17:48 [PATCH v2] pinctrl: single: fix pinctrl_spec.args_count bounds check Drew Fustini
2020-10-01  7:31 ` Tony Lindgren
2020-10-01  8:03 ` Linus Walleij [this message]

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