RE: [PATCH] gpiolib: add NULL to the end of arry of_find_gpio_quirks[]

[Bough Chen <haibo.chen@xxxxxxx>]

> -----Original Message-----
> From: Bartosz Golaszewski <brgl@xxxxxxxx>
> Sent: 2022年9月22日 16:23
> To: Bough Chen <haibo.chen@xxxxxxx>
> Cc: linus.walleij@xxxxxxxxxx; dmitry.torokhov@xxxxxxxxx;
> linux-gpio@xxxxxxxxxxxxxxx; Aisheng Dong <aisheng.dong@xxxxxxx>;
> dl-linux-imx <linux-imx@xxxxxxx>
> Subject: Re: [PATCH] gpiolib: add NULL to the end of arry of_find_gpio_quirks[]
> 
> On Wed, Sep 21, 2022 at 10:02 AM <haibo.chen@xxxxxxx> wrote:
> >
> > From: Haibo Chen <haibo.chen@xxxxxxx>
> >
> > After commit a2b5e207cade ("gpiolib: rework quirk handling in
> > of_find_gpio()"), it add an arry of_find_gpio_quirks[], but in the for
> > loop, it use *q to judge whether it is out of the arry range.
> > Unfortunately, in the arry, forget to add NULL in the end, which has
> > the risk of out of arry access, here is the dump on i.MX8MM-evk board:
> >
> 
> This was already fixed by Michael Walle.

I just find the fix patch already in next-20220921. Thanks for the reminder.

Best Regards
Haibo Chen
> 
> Bart