[PATCH] iio: adc: stm32-dfsdm: Remove redundant null check before clk_disable_unprepare

[Jonathan Cameron]

On Thu, 31 Dec 2020 08:53:22 +0000
Xu Wang <vulab at iscas.ac.cn> wrote:

> ecause clk_disable_unprepare() already checked NULL clock parameter,
> so the additional check is unnecessary, just remove it.
> 
> Signed-off-by: Xu Wang <vulab at iscas.ac.cn>
Applied to the togreg branch of iio.git and pushed out as testing for the
autobuilders to see if we missed anything.

thanks,

Jonathan

> ---
>  drivers/iio/adc/stm32-dfsdm-core.c | 3 +--
>  1 file changed, 1 insertion(+), 2 deletions(-)
> 
> diff --git a/drivers/iio/adc/stm32-dfsdm-core.c b/drivers/iio/adc/stm32-dfsdm-core.c
> index 42a7377704a4..bb925a11c8ae 100644
> --- a/drivers/iio/adc/stm32-dfsdm-core.c
> +++ b/drivers/iio/adc/stm32-dfsdm-core.c
> @@ -117,8 +117,7 @@ static void stm32_dfsdm_clk_disable_unprepare(struct stm32_dfsdm *dfsdm)
>  {
>  	struct dfsdm_priv *priv = to_stm32_dfsdm_priv(dfsdm);
>  
> -	if (priv->aclk)
> -		clk_disable_unprepare(priv->aclk);
> +	clk_disable_unprepare(priv->aclk);
>  	clk_disable_unprepare(priv->clk);
>  }
>