diff options
| author |   Vincent Stehlé <vincent.stehle@laposte.net> | 2019-03-31 20:54:23 +0200 |
|---|---|---|
| committer |   Jonathan Cameron <Jonathan.Cameron@huawei.com> | 2019-04-07 13:01:36 +0100 |
| commit | 0db8aa49a97e7f40852a64fd35abcc1292a7c365 (patch) | |
| tree | e37d55a046340917a6fa881aae0a846eff201663 /drivers/iio/adc | |
| parent | iio: adc: modify NPCM ADC read reference voltage (diff) | |
| download | linux-dev-0db8aa49a97e7f40852a64fd35abcc1292a7c365.tar.xz linux-dev-0db8aa49a97e7f40852a64fd35abcc1292a7c365.zip | |
iio: adc: ads124: avoid buffer overflow
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>
Diffstat (limited to 'drivers/iio/adc')
| -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) |