From: Peter Meerwald <[email protected]>

This patch has been added to the 3.12 stable tree. If you have any
objections, please let us know.

===============

commit 9b2a4d35a6ceaf217be61ed8eb3c16986244f640 upstream.

val2 should be zero

This will make no difference for correct inputs but will reject
incorrect ones with a decimal part in the value written to the sysfs
interface.

Signed-off-by: Peter Meerwald <[email protected]>
Cc: Oleksandr Kravchenko <[email protected]>
Signed-off-by: Jonathan Cameron <[email protected]>
Signed-off-by: Jiri Slaby <[email protected]>
---
 drivers/iio/accel/bma180.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/iio/accel/bma180.c b/drivers/iio/accel/bma180.c
index 225aea63eaf5..60a3bab42263 100644
--- a/drivers/iio/accel/bma180.c
+++ b/drivers/iio/accel/bma180.c
@@ -376,6 +376,8 @@ static int bma180_write_raw(struct iio_dev *indio_dev,
                mutex_unlock(&data->mutex);
                return ret;
        case IIO_CHAN_INFO_LOW_PASS_FILTER_3DB_FREQUENCY:
+               if (val2)
+                       return -EINVAL;
                mutex_lock(&data->mutex);
                ret = bma180_set_bw(data, val);
                mutex_unlock(&data->mutex);
-- 
2.0.4

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