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iio: accel: adxl380: fix raw sample read

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[ Upstream commit bfa335f18d91c52fa0f8ba3e4d49afebbd9ee792 ]

The adxl380_read_chn function returns either a negative value in case an
error occurs or the actual sample.

Check only for negative values after a channel is read.

Fixes: df36de1367 ("iio: accel: add ADXL380 driver")
Signed-off-by: Antoniu Miclaus <antoniu.miclaus@analog.com>
Link: https://patch.msgid.link/20241101095202.20121-1-antoniu.miclaus@analog.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Antoniu Miclaus
2024-11-01 11:52:01 +02:00
committed by Greg Kroah-Hartman
parent ab90d20d3e
commit c41dba28df
1 changed files with 1 additions and 1 deletions
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drivers/iio/accel/adxl380.c
+1 -1
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@@ -1181,7 +1181,7 @@ static int adxl380_read_raw(struct iio_dev *indio_dev,
ret = adxl380_read_chn(st, chan->address);
iio_device_release_direct_mode(indio_dev);
if (ret)
if (ret < 0)
return ret;
*val = sign_extend32(ret >> chan->scan_type.shift,