Re: [PATCH v4 08/12] fpga: dfl: make uinit callback optional

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On Sun, Aug 04, 2019 at 06:20:18PM +0800, Wu Hao wrote:
> This patch makes uinit callback of sub features optional. With
> this change, people don't need to prepare any empty uinit callback.
> 
> Signed-off-by: Wu Hao <hao.wu@xxxxxxxxx>
Acked-by: Moritz Fischer <mdf@xxxxxxxxxx>
> ---
>  drivers/fpga/dfl.c | 3 ++-
>  1 file changed, 2 insertions(+), 1 deletion(-)
> 
> diff --git a/drivers/fpga/dfl.c b/drivers/fpga/dfl.c
> index 87eaef6..c0512af 100644
> --- a/drivers/fpga/dfl.c
> +++ b/drivers/fpga/dfl.c
> @@ -259,7 +259,8 @@ void dfl_fpga_dev_feature_uinit(struct platform_device *pdev)
>  
>  	dfl_fpga_dev_for_each_feature(pdata, feature)
>  		if (feature->ops) {
> -			feature->ops->uinit(pdev, feature);
> +			if (feature->ops->uinit)
> +				feature->ops->uinit(pdev, feature);
>  			feature->ops = NULL;
>  		}
>  }
> -- 
> 1.8.3.1
> 



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