OK, makes sense. Acked-by: Crt Mori <cmo@xxxxxxxxxxx> On 22 February 2018 at 10:14, Dan Carpenter <dan.carpenter@xxxxxxxxxx> wrote: > > This shouldn't affect runtime at all, but Smatch complains that we > should check if mlx90632_read_ambient_raw() otherwise we > "ambient_new_raw" can be uninitialized. > > drivers/iio/temperature/mlx90632.c:509 mlx90632_calc_ambient_dsp105() > error: uninitialized symbol 'ambient_new_raw'. > > Signed-off-by: Dan Carpenter <dan.carpenter@xxxxxxxxxx> > > diff --git a/drivers/iio/temperature/mlx90632.c b/drivers/iio/temperature/mlx90632.c > index d695ab97d27f..9851311aa3fd 100644 > --- a/drivers/iio/temperature/mlx90632.c > +++ b/drivers/iio/temperature/mlx90632.c > @@ -506,6 +506,8 @@ static int mlx90632_calc_ambient_dsp105(struct mlx90632_data *data, int *val) > > ret = mlx90632_read_ambient_raw(data->regmap, &ambient_new_raw, > &ambient_old_raw); > + if (ret < 0) > + return ret; > *val = mlx90632_calc_temp_ambient(ambient_new_raw, ambient_old_raw, > PT, PR, PG, PO, Gb); > return ret; -- To unsubscribe from this list: send the line "unsubscribe linux-iio" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html