linux-kernel - [PATCH 25/94] iio: hid-sensor-press: Fix return values

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Date:	Tue, 15 Jul 2014 20:00:40 +0300
From:	Sam Asadi <asadi.samuel@...il.com>
To:	gregkh@...uxfoundation.org
Cc:	devel@...verdev.osuosl.org, linux-kernel@...r.kernel.org,
	Sachin Kamat <sachin.kamat@...sung.com>,
	Srinivas Pandruvada <srinivas.pandruvada@...ux.intel.com>,
	Jonathan Cameron <jic23@...nel.org>,
	sam-the-6 <asadi.samuel@...il.com>
Subject: [PATCH 25/94] iio: hid-sensor-press: Fix return values

From: Sachin Kamat <sachin.kamat@...sung.com>

IIO_CHAN_INFO_SAMP_FREQ and IIO_CHAN_INFO_HYSTERESIS cases ignored
the actual return values (which could be -EINVAL) and instead
returned IIO_VAL_INT_PLUS_MICRO always. Return the actual value
obtained from the functions. Both functions return IIO_VAL_INT_PLUS_MICRO
upon success.

Agreed with by Srinivas.

Signed-off-by: Sachin Kamat <sachin.kamat@...sung.com>
Cc: Srinivas Pandruvada <srinivas.pandruvada@...ux.intel.com>
Signed-off-by: Jonathan Cameron <jic23@...nel.org>
Signed-off-by: sam-the-6 <asadi.samuel@...il.com>
---
 drivers/iio/pressure/hid-sensor-press.c |    7 ++-----
 1 file changed, 2 insertions(+), 5 deletions(-)

diff --git a/drivers/iio/pressure/hid-sensor-press.c b/drivers/iio/pressure/hid-sensor-press.c
index 1cd190c..2c0d2a4 100644
--- a/drivers/iio/pressure/hid-sensor-press.c
+++ b/drivers/iio/pressure/hid-sensor-press.c
@@ -78,7 +78,6 @@ static int press_read_raw(struct iio_dev *indio_dev,
 	struct press_state *press_state = iio_priv(indio_dev);
 	int report_id = -1;
 	u32 address;
-	int ret;
 	int ret_type;
 	s32 poll_value;
 
@@ -128,14 +127,12 @@ static int press_read_raw(struct iio_dev *indio_dev,
 		ret_type = IIO_VAL_INT;
 		break;
 	case IIO_CHAN_INFO_SAMP_FREQ:
-		ret = hid_sensor_read_samp_freq_value(
+		ret_type = hid_sensor_read_samp_freq_value(
 				&press_state->common_attributes, val, val2);
-		ret_type = IIO_VAL_INT_PLUS_MICRO;
 		break;
 	case IIO_CHAN_INFO_HYSTERESIS:
-		ret = hid_sensor_read_raw_hyst_value(
+		ret_type = hid_sensor_read_raw_hyst_value(
 				&press_state->common_attributes, val, val2);
-		ret_type = IIO_VAL_INT_PLUS_MICRO;
 		break;
 	default:
 		ret_type = -EINVAL;
-- 
1.7.10.4

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