From: Angelo Dureghello <adureghello@xxxxxxxxxxxx> Add safe check to the high bound of the enum values, Signed-off-by: Angelo Dureghello <adureghello@xxxxxxxxxxxx> --- drivers/iio/dac/adi-axi-dac.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/iio/dac/adi-axi-dac.c b/drivers/iio/dac/adi-axi-dac.c index 009fb987e1afd04c3dbc59a9742f7982744420c2..892d770aec69c4259de777058801c9ab33c79923 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, --- base-commit: 4dd0ce442fa57f5274878c89223362344f28224c change-id: 20250219-wip-bl-axi-dac-add-enum-check-8bb617285793 Best regards, -- Angelo Dureghello <adureghello@xxxxxxxxxxxx>