Re: [PATCH] pinctrl: samsung: Suppress unbinding to prevent theoretical attacks

From: Linus Walleij
Date: Thu May 26 2016 - 05:08:49 EST

On Tue, May 17, 2016 at 8:02 AM, Krzysztof Kozlowski
<k.kozlowski@xxxxxxxxxxx> wrote:

> Although unbinding a pinctrl driver requires root privileges but it
> still might be used theoretically in certain attacks (by triggering NULL
> pointer exception or memory corruption).

Patch applied with Javier's review tag.

I suspect this kind of patch should be done to a few
GPIO controller :/

Linus Walleij