[PATCH v2] iio: mxs-lradc: remove useless check

From: Alexandre Belloni
Date: Sat Jan 18 2014 - 14:05:34 EST


Checking the channel number is useless since mxs_lradc_read_raw() is called from
a controlled environment and the driver is responsible for filing the struct
iio_chan_spec.

Signed-off-by: Alexandre Belloni <alexandre.belloni@xxxxxxxxxxxxxxxxxx>
---
drivers/staging/iio/adc/mxs-lradc.c | 4 ----
1 file changed, 4 deletions(-)

diff --git a/drivers/staging/iio/adc/mxs-lradc.c b/drivers/staging/iio/adc/mxs-lradc.c
index 7fc66a6a6e36..d304156ca2f7 100644
--- a/drivers/staging/iio/adc/mxs-lradc.c
+++ b/drivers/staging/iio/adc/mxs-lradc.c
@@ -897,10 +897,6 @@ static int mxs_lradc_read_raw(struct iio_dev *iio_dev,
{
struct mxs_lradc *lradc = iio_priv(iio_dev);

- /* Check for invalid channel */
- if (chan->channel > LRADC_MAX_TOTAL_CHANS)
- return -EINVAL;
-
switch (m) {
case IIO_CHAN_INFO_RAW:
if (chan->type == IIO_TEMP)
--
1.8.3.2

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