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iio: adis16400: do not return ints in irq handlers
On an IRQ handler we should not return normal error codes as 'irqreturn_t'
is expected.
Not necessary to apply to stable as the original check cannot fail and
as such the bug cannot actually occur.
Fixes: 5eda3550a3
("staging:iio:adis16400: Preallocate transfer message")
Reviewed-by: Alexandru Ardelean <ardeleanalex@gmail.com>
Signed-off-by: Nuno Sa <nuno.sa@analog.com>
Link: https://lore.kernel.org/r/20210422101911.135630-3-nuno.sa@analog.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
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@ -645,9 +645,6 @@ static irqreturn_t adis16400_trigger_handler(int irq, void *p)
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void *buffer;
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int ret;
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if (!adis->buffer)
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return -ENOMEM;
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if (!(st->variant->flags & ADIS16400_NO_BURST) &&
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st->adis.spi->max_speed_hz > ADIS16400_SPI_BURST) {
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st->adis.spi->max_speed_hz = ADIS16400_SPI_BURST;
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