iio: accel: kxsd9: fix the usage of spi_w8r8()

[pandora-kernel.git] / drivers / staging / iio / accel / kxsd9.c

diff --git a/drivers/staging/iio/accel/kxsd9.c b/drivers/staging/iio/accel/kxsd9.c
index 5238503..5541ed3 100644 (file)
--- a/drivers/staging/iio/accel/kxsd9.c
+++ b/drivers/staging/iio/accel/kxsd9.c
@@ -81,7 +81,7 @@ static int kxsd9_write_scale(struct iio_dev *indio_dev, int micro)
 
        mutex_lock(&st->buf_lock);
        ret = spi_w8r8(st->us, KXSD9_READ(KXSD9_REG_CTRL_C));
-       if (ret)
+       if (ret < 0)
                goto error_ret;
        st->tx[0] = KXSD9_WRITE(KXSD9_REG_CTRL_C);
        st->tx[1] = (ret & ~KXSD9_FS_MASK) | i;
@@ -166,7 +166,7 @@ static int kxsd9_read_raw(struct iio_dev *indio_dev,
                break;
        case (1 << IIO_CHAN_INFO_SCALE_SHARED):
                ret = spi_w8r8(st->us, KXSD9_READ(KXSD9_REG_CTRL_C));
-               if (ret)
+               if (ret < 0)
                        goto error_ret;
                *val2 = kxsd9_micro_scales[ret & KXSD9_FS_MASK];
                ret = IIO_VAL_INT_PLUS_MICRO;