diff options
| author | Vincent Stehlé <vincent.stehle@laposte.net> | 2019-03-31 21:54:23 +0300 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2019-06-09 10:16:10 +0300 |
| commit | 6b84e38b700bf6c8f4e983ba1e6c01d8b16bf581 (patch) | |
| tree | f0089c5ca81fc0fb4eea8654c1a1ae7aa5ed1f0e /drivers/iio | |
| parent | 642ec93fe232028f859a090e8a1d8dc4e4367d39 (diff) | |
| download | linux-6b84e38b700bf6c8f4e983ba1e6c01d8b16bf581.tar.xz | |
iio: adc: ads124: avoid buffer overflow
commit 0db8aa49a97e7f40852a64fd35abcc1292a7c365 upstream.
When initializing the priv->data array starting from index 1, there is one
less element to consider than when initializing the full array.
Fixes: e717f8c6dfec8f76 ("iio: adc: Add the TI ads124s08 ADC code")
Signed-off-by: Vincent Stehlé <vincent.stehle@laposte.net>
Reviewed-by: Mukesh Ojha <mojha@codeaurora.org>
Reviewed-by: Dan Murphy <dmurphy@ti.com>
Cc: <Stable@vger.kernel.org>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/iio')
| -rw-r--r-- | drivers/iio/adc/ti-ads124s08.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/iio/adc/ti-ads124s08.c b/drivers/iio/adc/ti-ads124s08.c index 53f17e4f2f23..552c2be8d87a 100644 --- a/drivers/iio/adc/ti-ads124s08.c +++ b/drivers/iio/adc/ti-ads124s08.c @@ -202,7 +202,7 @@ static int ads124s_read(struct iio_dev *indio_dev, unsigned int chan) }; priv->data[0] = ADS124S08_CMD_RDATA; - memset(&priv->data[1], ADS124S08_CMD_NOP, sizeof(priv->data)); + memset(&priv->data[1], ADS124S08_CMD_NOP, sizeof(priv->data) - 1); ret = spi_sync_transfer(priv->spi, t, ARRAY_SIZE(t)); if (ret < 0) |