2017-06-01 13:31:22

by Michael Ellerman

[permalink] [raw]
Subject: Re: powerpc: sysdev: simple_gpio: fix Oops in gpio save_regs function

On Wed, 2017-05-24 at 08:01:55 UTC, Christophe Leroy wrote:
> of_mm_gpiochip_add_data() generates an Oops for NULL pointer dereference.
>
> of_mm_gpiochip_add_data() calls mm_gc->save_regs() before
> setting the data, therefore ->save_regs() cannot use gpiochip_get_data()
>
> Fixes: 937daafca774b ("powerpc: simple-gpio: use gpiochip data pointer")
> Cc: [email protected]
>
> Signed-off-by: Christophe Leroy <[email protected]>
> Reviewed-by: Linus Walleij <[email protected]>

Applied to powerpc fixes, thanks.

https://git.kernel.org/powerpc/c/6f553912eedafae13ff20b322a65e4

cheers