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Message-ID: <c50640665f091a04086e5092cf50f73f2055107a.1727980825.git.christophe.jaillet@wanadoo.fr>
Date: Thu,  3 Oct 2024 20:41:12 +0200
From: Christophe JAILLET <christophe.jaillet@...adoo.fr>
To: Jonathan Cameron <jic23@...nel.org>,
	Lars-Peter Clausen <lars@...afoo.de>,
	Srinivas Pandruvada <srinivas.pandruvada@...ux.intel.com>
Cc: linux-kernel@...r.kernel.org,
	kernel-janitors@...r.kernel.org,
	Christophe JAILLET <christophe.jaillet@...adoo.fr>,
	linux-iio@...r.kernel.org
Subject: [PATCH] iio: hid-sensors: Fix an error handling path in _hid_sensor_set_report_latency()

If hid_sensor_set_report_latency() fails, the error code should be returned
instead of a value likely to be interpreted as 'success'.

Fixes: 138bc7969c24 ("iio: hid-sensor-hub: Implement batch mode")
Signed-off-by: Christophe JAILLET <christophe.jaillet@...adoo.fr>
---
This patch is speculative.

The code just *looks* wrong to me. No strong opinion, if it is done on
purpose or not.
---
 drivers/iio/common/hid-sensors/hid-sensor-trigger.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/iio/common/hid-sensors/hid-sensor-trigger.c b/drivers/iio/common/hid-sensors/hid-sensor-trigger.c
index ad8910e6ad59..abb09fefc792 100644
--- a/drivers/iio/common/hid-sensors/hid-sensor-trigger.c
+++ b/drivers/iio/common/hid-sensors/hid-sensor-trigger.c
@@ -32,7 +32,7 @@ static ssize_t _hid_sensor_set_report_latency(struct device *dev,
 	latency = integer * 1000 + fract / 1000;
 	ret = hid_sensor_set_report_latency(attrb, latency);
 	if (ret < 0)
-		return len;
+		return ret;
 
 	attrb->latency_ms = hid_sensor_get_report_latency(attrb);
 
-- 
2.46.2


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