diff options
| author | Angelo Dureghello <adureghello@baylibre.com> | 2025-02-19 19:57:43 +0100 |
|---|---|---|
| committer | Jonathan Cameron <Jonathan.Cameron@huawei.com> | 2025-03-04 13:17:51 +0000 |
| commit | 25331775b5b4ed45efb37c7e25adad2e8abef948 (patch) | |
| tree | 33d3dbb90a208b68d61663ac117b1b10fcbf3f42 /drivers/iio/dac | |
| parent | 583350c1d4d0a9bc63f3e9a4fc662d0d22007bf3 (diff) | |
iio: dac: adi-axi-dac: add io_mode check
Add safe check to the high bound of the enum values,
Signed-off-by: Angelo Dureghello <adureghello@baylibre.com>
Link: https://patch.msgid.link/20250219-wip-bl-axi-dac-add-enum-check-v1-1-8de9db0b3b1b@baylibre.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Diffstat (limited to 'drivers/iio/dac')
| -rw-r--r-- | drivers/iio/dac/adi-axi-dac.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/iio/dac/adi-axi-dac.c b/drivers/iio/dac/adi-axi-dac.c index 009fb987e1af..892d770aec69 100644 --- a/drivers/iio/dac/adi-axi-dac.c +++ b/drivers/iio/dac/adi-axi-dac.c @@ -728,6 +728,9 @@ static int axi_dac_bus_set_io_mode(struct iio_backend *back, struct axi_dac_state *st = iio_backend_get_priv(back); int ival, ret; + if (mode > AD3552R_IO_MODE_QSPI) + return -EINVAL; + guard(mutex)(&st->lock); ret = regmap_update_bits(st->regmap, AXI_DAC_CUSTOM_CTRL_REG, |