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iio: adis16400: do not return ints in irq handlers
[ Upstream commitab3df79782
] 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> Signed-off-by: Sasha Levin <sashal@kernel.org>
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@ -647,9 +647,6 @@ 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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