diff options
| author | Lars-Peter Clausen <lars@metafoo.de> | 2013-01-31 14:27:00 +0000 |
|---|---|---|
| committer | Jonathan Cameron <jic23@kernel.org> | 2013-02-02 09:21:36 +0000 |
| commit | 9a26578c811e6f4de24d81ef734b17c401e5080f (patch) | |
| tree | c92986a19761828bf2a2c97dc67deb8ab95f95f7 | |
| parent | c62b89c713ebd5e4a67c9b9229591adab8953a3c (diff) | |
staging:iio:adxrs450: Reject out of range calibscale values
Instead of silently discarding the upper bits reject out of range values for the
calibscale property.
Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
| -rw-r--r-- | drivers/staging/iio/gyro/adxrs450_core.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/drivers/staging/iio/gyro/adxrs450_core.c b/drivers/staging/iio/gyro/adxrs450_core.c index 4c462d36dac9..96e52844377b 100644 --- a/drivers/staging/iio/gyro/adxrs450_core.c +++ b/drivers/staging/iio/gyro/adxrs450_core.c @@ -258,9 +258,10 @@ static int adxrs450_write_raw(struct iio_dev *indio_dev, int ret; switch (mask) { case IIO_CHAN_INFO_CALIBBIAS: + if (val < -0x400 || val >= 0x400) + return -EINVAL; ret = adxrs450_spi_write_reg_16(indio_dev, - ADXRS450_DNC1, - val & 0x3FF); + ADXRS450_DNC1, val); break; default: ret = -EINVAL; |