iio:light:cm3323: pass up error value

cm3323_get_it_bits() returns a valid error code, so pass it up in
cm3323_read_raw().

Signed-off-by: Hartmut Knaack <knaack.h@gmx.de>
Reviewed-by: Daniel Baluta <daniel.baluta@intel.com>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>

diff --git a/drivers/iio/light/cm3323.c b/drivers/iio/light/cm3323.c
index 869033e..9c91363 100644 (file)
--- a/drivers/iio/light/cm3323.c
+++ b/drivers/iio/light/cm3323.c
@@ -175,7 +175,7 @@ static int cm3323_read_raw(struct iio_dev *indio_dev,
                i = cm3323_get_it_bits(data);
                if (i < 0) {
                        mutex_unlock(&data->mutex);
-                       return -EINVAL;
+                       return i;
                }
 
                *val = cm3323_int_time[i].val;