Re: [PATCH v12 2/2] input: joystick: driver for Adafruit Seesaw Gamepad

From: Dmitry Torokhov
Date: Wed Jan 10 2024 - 20:20:57 EST


Hi Anshul,

On Sat, Jan 06, 2024 at 07:21:00AM +0530, Anshul Dalal wrote:
> +
> + for_each_set_bit(i, (long *)&SEESAW_BUTTON_MASK,
> + BITS_PER_TYPE(SEESAW_BUTTON_MASK)) {

This is not really safe as it might not be aligned properly, and we can
potentially try to peek beyond the data element (even though we limit
how many bits we consider valid). I changed SEESAW_BUTTON_MASK to be
unsigned long.

I also dropped bunch of unneeded casts and applied, thank you.

Thanks.

--
Dmitry