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iio temperature/mlx90632: silence a static checker warning 

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@oracle.com>
Acked-by: Crt Mori <cmo@melexis.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
hifive-unleashed-5.1
Dan Carpenter 2018-02-22 12:14:53 +03:00 committed by Jonathan Cameron
parent 1b3079a721
commit c50fadeff7
1 changed files with 2 additions and 0 deletions
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drivers/iio/temperature/mlx90632.c
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@ -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;