From: Vincent Stehlé vincent.stehle@laposte.net
[ Upstream commit 0db8aa49a97e7f40852a64fd35abcc1292a7c365 ]
When initializing the priv->data array starting from index 1, there is one less element to consider than when initializing the full array.
Fixes: e717f8c6dfec8f76 ("iio: adc: Add the TI ads124s08 ADC code") Signed-off-by: Vincent Stehlé vincent.stehle@laposte.net Reviewed-by: Mukesh Ojha mojha@codeaurora.org Reviewed-by: Dan Murphy dmurphy@ti.com Cc: Stable@vger.kernel.org Signed-off-by: Jonathan Cameron Jonathan.Cameron@huawei.com Signed-off-by: Sasha Levin sashal@kernel.org --- drivers/iio/adc/ti-ads124s08.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/iio/adc/ti-ads124s08.c b/drivers/iio/adc/ti-ads124s08.c index 53f17e4f2f23..552c2be8d87a 100644 --- a/drivers/iio/adc/ti-ads124s08.c +++ b/drivers/iio/adc/ti-ads124s08.c @@ -202,7 +202,7 @@ static int ads124s_read(struct iio_dev *indio_dev, unsigned int chan) };
priv->data[0] = ADS124S08_CMD_RDATA; - memset(&priv->data[1], ADS124S08_CMD_NOP, sizeof(priv->data)); + memset(&priv->data[1], ADS124S08_CMD_NOP, sizeof(priv->data) - 1);
ret = spi_sync_transfer(priv->spi, t, ARRAY_SIZE(t)); if (ret < 0)