Smatch caught bug.
Signed-off-by: Jonathan Cameron <jic23@xxxxxxxxx>
---
drivers/staging/iio/accel/adis16201_ring.c | 10 ++++++----
1 files changed, 6 insertions(+), 4 deletions(-)
diff --git a/drivers/staging/iio/accel/adis16201_ring.c b/drivers/staging/iio/accel/adis16201_ring.c
index 66e708d..a745d5de 100644
--- a/drivers/staging/iio/accel/adis16201_ring.c
+++ b/drivers/staging/iio/accel/adis16201_ring.c
@@ -38,10 +38,12 @@ static int adis16201_read_ring_data(struct iio_dev *indio_dev, u8 *rx)
xfers[i].cs_change = 1;
xfers[i].len = 2;
xfers[i].delay_usecs = 20;
- xfers[i].tx_buf = st->tx + 2 * i;
- st->tx[2 * i] = ADIS16201_READ_REG(ADIS16201_SUPPLY_OUT +
- 2 * i);
- st->tx[2 * i + 1] = 0;
+ if (i < ADIS16201_OUTPUTS) {
+ xfers[i].tx_buf = st->tx + 2 * i;
+ st->tx[2 * i] = ADIS16201_READ_REG(ADIS16201_SUPPLY_OUT +
+ 2 * i);
+ st->tx[2 * i + 1] = 0;
+ }
if (i >= 1)
xfers[i].rx_buf = rx + 2 * (i - 1);
spi_message_add_tail(&xfers[i], &msg);
--
1.7.3.4
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