diff options
| author | Peter Meerwald <pmeerw@pmeerw.net> | 2015-06-21 23:50:21 +0200 |
|---|---|---|
| committer | Sasha Levin <sasha.levin@oracle.com> | 2015-08-04 14:16:31 -0400 |
| commit | b8518de10f23539bbe13bb15203be860cc027923 (patch) | |
| tree | 71eb5e585958ccea76f00e77940b778d03b7d69f | |
| parent | b217d7a8e1fcf13a010933d8b7ce34f0d197278c (diff) | |
iio: tmp006: Check channel info on write
[ Upstream commit f451957dafe712ab2cd4b7ca8ba9197798115fbe ]
only SAMP_FREQ is writable
Will lead to SAMP_FREQ being written by any attempt to write
to the other exported attributes and hence a rather unexpected
result!
Signed-off-by: Peter Meerwald <pmeerw@pmeerw.net>
Cc: <Stable@vger.kernel.org>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
Signed-off-by: Sasha Levin <sasha.levin@oracle.com>
| -rw-r--r-- | drivers/iio/temperature/tmp006.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/iio/temperature/tmp006.c b/drivers/iio/temperature/tmp006.c index 84a0789c3d96..7a8050996b4e 100644 --- a/drivers/iio/temperature/tmp006.c +++ b/drivers/iio/temperature/tmp006.c @@ -132,6 +132,9 @@ static int tmp006_write_raw(struct iio_dev *indio_dev, struct tmp006_data *data = iio_priv(indio_dev); int i; + if (mask != IIO_CHAN_INFO_SAMP_FREQ) + return -EINVAL; + for (i = 0; i < ARRAY_SIZE(tmp006_freqs); i++) if ((val == tmp006_freqs[i][0]) && (val2 == tmp006_freqs[i][1])) { |