Daniel Baluta schrieb am 17.06.2015 um 12:14:
> On Wed, Jun 17, 2015 at 1:17 AM, Hartmut Knaack <knaack.h@xxxxxx> wrote:
>> In cm3323_read_raw() i is used as return variable for the integration time
>> index. The also existing return variable ret however is unused in this
>> case, although appropriate. Replace i with ret and drop it.
>>
>> Signed-off-by: Hartmut Knaack <knaack.h@xxxxxx>
>
> Fair enough.
>
> Reviewed-by: Daniel Baluta <daniel.baluta@xxxxxxxxx>
>
> Are you using a tool for finding such situations? Or just code reading ? :)
Plain code reading FTW ;-) Working through a checklist and questioning every
piece of code for its benefit.
>
>> ---
>> drivers/iio/light/cm3323.c | 12 ++++++------
>> 1 file changed, 6 insertions(+), 6 deletions(-)
>>
>> diff --git a/drivers/iio/light/cm3323.c b/drivers/iio/light/cm3323.c
>> index 8945e0c..6bb75e7 100644
>> --- a/drivers/iio/light/cm3323.c
>> +++ b/drivers/iio/light/cm3323.c
>> @@ -153,7 +153,7 @@ static int cm3323_read_raw(struct iio_dev *indio_dev,
>> struct iio_chan_spec const *chan, int *val,
>> int *val2, long mask)
>> {
>> - int i, ret;
>> + int ret;
>> struct cm3323_data *data = iio_priv(indio_dev);
>>
>> switch (mask) {
>> @@ -170,14 +170,14 @@ static int cm3323_read_raw(struct iio_dev *indio_dev,
>> return IIO_VAL_INT;
>> case IIO_CHAN_INFO_INT_TIME:
>> mutex_lock(&data->mutex);
>> - i = cm3323_get_it_bits(data);
>> - if (i < 0) {
>> + ret = cm3323_get_it_bits(data);
>> + if (ret < 0) {
>> mutex_unlock(&data->mutex);
>> - return i;
>> + return ret;
>> }
>>
>> - *val = cm3323_int_time[i].val;
>> - *val2 = cm3323_int_time[i].val2;
>> + *val = cm3323_int_time[ret].val;
>> + *val2 = cm3323_int_time[ret].val2;
>> mutex_unlock(&data->mutex);
>>
>> return IIO_VAL_INT_PLUS_MICRO;
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