linux-kernel - Re: [PATCH] iio: dac: adi-axi-dac: add io

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Message-ID: <20250222171607.3dfbe6c6@jic23-huawei>
Date: Sat, 22 Feb 2025 17:16:07 +0000
From: Jonathan Cameron <jic23@...nel.org>
To: Angelo Dureghello <adureghello@...libre.com>
Cc: Nuno Sa <nuno.sa@...log.com>, Lars-Peter Clausen <lars@...afoo.de>,
 Michael Hennerich <Michael.Hennerich@...log.com>,
 linux-iio@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] iio: dac: adi-axi-dac: add io_mode check

On Wed, 19 Feb 2025 19:57:43 +0100
Angelo Dureghello <adureghello@...libre.com> wrote:

> From: Angelo Dureghello <adureghello@...libre.com>
> 
> Add safe check to the high bound of the enum values,
> 
> Signed-off-by: Angelo Dureghello <adureghello@...libre.com>
> ---
Applied. thanks!

Jonathan
>  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,