| From | Greg Kroah-Hartman <> | Subject | [PATCH 4.1 057/267] iio: tmp006: Check channel info on write | Date | Fri, 31 Jul 2015 12:38:28 -0700 |
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4.1-stable review patch. If anyone has any objections, please let me know.
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From: Peter Meerwald <pmeerw@pmeerw.net>
commit 8d05abfaeff52bdf66aba3a3a337dcdbdb4911bf upstream.
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> Signed-off-by: Jonathan Cameron <jic23@kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
--- drivers/iio/temperature/tmp006.c | 3 +++ 1 file changed, 3 insertions(+)
--- a/drivers/iio/temperature/tmp006.c +++ b/drivers/iio/temperature/tmp006.c @@ -132,6 +132,9 @@ static int tmp006_write_raw(struct iio_d 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])) {
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