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Commit 8d05abfa authored by Peter Meerwald's avatar Peter Meerwald Committed by Jonathan Cameron
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iio: tmp006: Check channel info on write 



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: default avatarPeter Meerwald <pmeerw@pmeerw.net>
Cc: <Stable@vger.kernel.org>
Signed-off-by: default avatarJonathan Cameron <jic23@kernel.org>
parent 897993fe

drivers/iio/temperature/tmp006.c

+3 −0
Original line number Diff line number Diff line
@@ -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])) {