Re: [PATCH] iio: cros_ec_accel_legacy: Mark expected switch fall-throughs

From: Kees Cook
Date: Wed Feb 20 2019 - 20:23:48 EST


On Wed, Feb 20, 2019 at 10:47 AM Gustavo A. R. Silva
<gustavo@xxxxxxxxxxxxxx> wrote:
> Yeah. Actually, we can even take the switch and for out of the equation,
> and the code can be rewritten as follows:
>
> ec_accel_channels[X].scan_index = Y;
> ec_accel_channels[Y].scan_index = X;
> ec_accel_channels[Z].scan_index = Z;
>
> if (state->sensor_num == MOTIONSENSE_LOC_LID)
> state->sign[X] = state->sign[Z] = -1;
> else
> state->sign[X] = state->sign[Y] = state->sign[Z] = 1;

Actually, should be an unconditional "state->sign[Y] = 1", but
otherwise, yes. Can you send that patch?


> > Agreed, it's 'novel'. Waiting for Gwendal or someone else to come
> > back and check it wasn't meant to be doing something else.
>
> We've been waiting 5 months for Gwendal. :/

I've looked at this enough. I'm happy to Ack it, if that helps. :)

--
Kees Cook