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iio: hid-sensor: fix return of -EINVAL on invalid values in ret or value

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[ Upstream commit c894acc7bf400d039bf740420b22f0b71b7fb504 ]

Ensure that when an invalid value in ret or value is found -EINVAL
is returned. A previous commit broke the way the return error is
being returned and instead caused the return code in ret to be
re-assigned rather than be returned.

Fixes: 5d9854eaea776 ("iio: hid-sensor: Store restore poll and hysteresis on S3")
Signed-off-by: Colin Ian King <colin.king@canonical.com>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
Signed-off-by: Sasha Levin <alexander.levin@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Colin Ian King 2017-04-19 15:35:48 +01:00 • committed by Greg Kroah-Hartman
commit 3a0c4d9778
1 changed files with 2 additions and 2 deletions
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4
drivers/iio/common/hid-sensors/hid-sensor-attributes.c
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@ -215,7 +215,7 @@ int hid_sensor_write_samp_freq_value(struct hid_sensor_common *st,
ret = sensor_hub_set_feature(st->hsdev, st->poll.report_id,
st->poll.index, sizeof(value), &value);
if (ret < 0 || value < 0)
ret = -EINVAL;
return -EINVAL;
ret = sensor_hub_get_feature(st->hsdev,
st->poll.report_id,
@ -265,7 +265,7 @@ int hid_sensor_write_raw_hyst_value(struct hid_sensor_common *st,
st->sensitivity.index, sizeof(value),
&value);
if (ret < 0 || value < 0)
ret = -EINVAL;
return -EINVAL;
ret = sensor_hub_get_feature(st->hsdev,
st->sensitivity.report_id,