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SubjectRe: [PATCH] Input: simplify the return expression of da9034_touch_probe()
On Fri, Apr 29, 2022 at 05:53:00AM +0000, cgel.zte@gmail.com wrote:
> From: Minghao Chi <chi.minghao@zte.com.cn>
>
> Simplify the return expression.
>
> Reported-by: Zeal Robot <zealci@zte.com.cn>
> Signed-off-by: Minghao Chi <chi.minghao@zte.com.cn>
> ---
> drivers/input/touchscreen/da9034-ts.c | 7 +------
> 1 file changed, 1 insertion(+), 6 deletions(-)
>
> diff --git a/drivers/input/touchscreen/da9034-ts.c b/drivers/input/touchscreen/da9034-ts.c
> index 2943f6a58388..dfb2604381d2 100644
> --- a/drivers/input/touchscreen/da9034-ts.c
> +++ b/drivers/input/touchscreen/da9034-ts.c
> @@ -298,7 +298,6 @@ static int da9034_touch_probe(struct platform_device *pdev)
> struct da9034_touch_pdata *pdata = dev_get_platdata(&pdev->dev);
> struct da9034_touch *touch;
> struct input_dev *input_dev;
> - int error;
>
> touch = devm_kzalloc(&pdev->dev, sizeof(struct da9034_touch),
> GFP_KERNEL);
> @@ -344,11 +343,7 @@ static int da9034_touch_probe(struct platform_device *pdev)
> touch->input_dev = input_dev;
> input_set_drvdata(input_dev, touch);
>
> - error = input_register_device(input_dev);
> - if (error)
> - return error;
> -
> - return 0;
> + return input_register_device(input_dev);

In cases where there are multiple checks/exit paths in the same function
I prefer the existing style as it requires less changes when extending.

Thanks,

--
Dmitry

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