From: Jonathan Cameron Jonathan.Cameron@huawei.com
commit b0bd27f02d768e3a861c4e6c27f8e369720e6c25 upstream.
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: e717f8c6dfec ("iio: adc: Add the TI ads124s08 ADC code") Signed-off-by: Jonathan CameronJonathan.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 Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org
--- drivers/iio/adc/ti-ads124s08.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
--- a/drivers/iio/adc/ti-ads124s08.c +++ b/drivers/iio/adc/ti-ads124s08.c @@ -270,7 +270,7 @@ static irqreturn_t ads124s_trigger_handl struct iio_poll_func *pf = p; struct iio_dev *indio_dev = pf->indio_dev; struct ads124s_private *priv = iio_priv(indio_dev); - u32 buffer[ADS124S08_MAX_CHANNELS + sizeof(s64)/sizeof(u16)]; + u32 buffer[ADS124S08_MAX_CHANNELS + sizeof(s64)/sizeof(u32)]; int scan_index, j = 0; int ret;