On 21/11/16 19:53, Martin Kepplinger wrote:
> smatch warned:
> sval_binop_signed: invalid divide LLONG_MIN/-1
>
> and this fixes it. It's actually good to have, in order to avoid accidental
> checking for negative return values here.
>
> Signed-off-by: Martin Kepplinger <martink@xxxxxxxxx>
I'm assuming the nasty case doesn't actually occur so applied to the togreg branch of iio.git
and pushed out as testing for the autobuilders to play with it.
thanks,
Jonathan
> ---
> drivers/iio/accel/mma8452.c | 4 ++--
> 1 file changed, 2 insertions(+), 2 deletions(-)
>
> diff --git a/drivers/iio/accel/mma8452.c b/drivers/iio/accel/mma8452.c
> index 0e865a1..fba146f 100644
> --- a/drivers/iio/accel/mma8452.c
> +++ b/drivers/iio/accel/mma8452.c
> @@ -248,7 +248,7 @@ static int mma8452_get_int_plus_micros_index(const int (*vals)[2], int n,
> return -EINVAL;
> }
>
> -static int mma8452_get_odr_index(struct mma8452_data *data)
> +static unsigned int mma8452_get_odr_index(struct mma8452_data *data)
> {
> return (data->ctrl_reg1 & MMA8452_CTRL_DR_MASK) >>
> MMA8452_CTRL_DR_SHIFT;
> @@ -260,7 +260,7 @@ static const int mma8452_samp_freq[8][2] = {
> };
>
> /* Datasheet table: step time "Relationship with the ODR" (sample frequency) */
> -static const int mma8452_transient_time_step_us[4][8] = {
> +static const unsigned int mma8452_transient_time_step_us[4][8] = {
> { 1250, 2500, 5000, 10000, 20000, 20000, 20000, 20000 }, /* normal */
> { 1250, 2500, 5000, 10000, 20000, 80000, 80000, 80000 }, /* l p l n */
> { 1250, 2500, 2500, 2500, 2500, 2500, 2500, 2500 }, /* high res*/
>
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