linux-kernel - Re: [PATCH v2] pinctrl-exynos5440: Use off-stack memory for pinctrl_gpio

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Message-ID: <CACRpkdYczBP58uS4nVpUGUevb7E+OCXmXA60SydigQo=AzX8Aw@mail.gmail.com>
Date:	Tue, 26 Apr 2016 15:52:38 +0200
From:	Linus Walleij <linus.walleij@...aro.org>
To:	Andrew Jeffery <andrew@...id.au>
Cc:	Tomasz Figa <tomasz.figa@...il.com>,
	Krzysztof Kozlowski <k.kozlowski@...sung.com>,
	Sylwester Nawrocki <s.nawrocki@...sung.com>,
	Kukjin Kim <kgene@...nel.org>,
	Thomas P Abraham <thomas.ab@...sung.com>,
	linux-samsung-soc <linux-samsung-soc@...r.kernel.org>,
	"linux-arm-kernel@...ts.infradead.org" 
	<linux-arm-kernel@...ts.infradead.org>,
	"linux-gpio@...r.kernel.org" <linux-gpio@...r.kernel.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	stable <stable@...r.kernel.org>
Subject: Re: [PATCH v2] pinctrl-exynos5440: Use off-stack memory for pinctrl_gpio_range

On Wed, Apr 20, 2016 at 3:54 AM, Andrew Jeffery <andrew@...id.au> wrote:

> The range is registered into a linked list which can be referenced
> throughout the lifetime of the driver. Ensure the range's memory is useful
> for the same lifetime by adding it to the driver's private data structure.
>
> The bug was introduced in the driver's initial commit, which was present in
> v3.10.
>
> Signed-off-by: Andrew Jeffery <andrew@...id.au>
> Fixes: f0b9a7e521fa ("pinctrl: exynos5440: add pinctrl driver for Samsung EXYNOS5440 SoC")
> Cc: stable@...r.kernel.org
> ---
> Since v1:
>
> * Add range member kerneldoc addressing Tomasz Figa's comment

Patch applied with the ACKs.

Yours,
Linus Walleij