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iio:adc:ti-ads124s08: Fix buffer being too long.
The buffer is expressed as a u32 array, yet the extra space for
the s64 timestamp was expressed as sizeof(s64)/sizeof(u16).
This will result in 2 extra u32 elements.
Fix by dividing by sizeof(u32).
Fixes: e717f8c6df
("iio: adc: Add the TI ads124s08 ADC code")
Signed-off-by: Jonathan Cameron<Jonathan.Cameron@huawei.com>
Reviewed-by: Alexandru Ardelean <alexandru.ardelean@analog.com>
Cc: Dan Murphy <dmurphy@ti.com>
Cc: <Stable@vger.kernel.org>
Link: https://lore.kernel.org/r/20200920112742.170751-8-jic23@kernel.org
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@ -269,7 +269,7 @@ static irqreturn_t ads124s_trigger_handler(int irq, void *p)
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struct iio_poll_func *pf = p;
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struct iio_dev *indio_dev = pf->indio_dev;
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struct ads124s_private *priv = iio_priv(indio_dev);
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u32 buffer[ADS124S08_MAX_CHANNELS + sizeof(s64)/sizeof(u16)];
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u32 buffer[ADS124S08_MAX_CHANNELS + sizeof(s64)/sizeof(u32)];
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int scan_index, j = 0;
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int ret;
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