iio: adis_buffer: do not return ints in irq handlers
[ Upstream commit d877539ad8e8fdde9af69887055fec6402be1a13 ]
On an IRQ handler we should not return normal error codes as 'irqreturn_t'
is expected.
Not necessarily stable material as the old check cannot fail, so it's a bug
we can not hit.
Fixes: ccd2b52f4a
("staging:iio: Add common ADIS library")
Reviewed-by: Alexandru Ardelean <ardeleanalex@gmail.com>
Signed-off-by: Nuno Sa <nuno.sa@analog.com>
Link: https://lore.kernel.org/r/20210422101911.135630-2-nuno.sa@analog.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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@ -83,9 +83,6 @@ static irqreturn_t adis_trigger_handler(int irq, void *p)
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struct adis *adis = iio_device_get_drvdata(indio_dev);
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int ret;
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if (!adis->buffer)
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return -ENOMEM;
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if (adis->data->has_paging) {
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mutex_lock(&adis->txrx_lock);
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if (adis->current_page != 0) {
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