diff options
| author | Jonathan Cameron <jic23@cam.ac.uk> | 2011-08-12 16:55:34 +0100 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@suse.de> | 2011-08-23 13:28:43 -0700 |
| commit | 70a876c59007ddb166a36c1073f45633bef1513b (patch) | |
| tree | 8781d93436c3ffbd16d3ebee89b8d1f7f226f7bf /drivers/staging/iio/accel/adis16201_ring.c | |
| parent | 0cbb2b53fb57b002d0511226f3ad001569be9c66 (diff) | |
staging:iio:accel:adis16201 overflow tx buffer.
Smatch caught bug.
Signed-off-by: Jonathan Cameron <jic23@cam.ac.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Diffstat (limited to 'drivers/staging/iio/accel/adis16201_ring.c')
| -rw-r--r-- | 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 66e708ddf8b2..a745d5debc20 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); |