Re: [PATCH] bus: ti-sysc: Remove if-block in sysc_check_children()

From: Roger Quadros
Date: Thu Aug 08 2019 - 09:55:19 EST


Nishka,

On 08/08/2019 10:40, Nishka Dasgupta wrote:
> In function sysc_check_children, there is an if-statement checking
> whether the value returned by function sysc_check_one_child is non-zero.
> However, sysc_check_one_child always returns 0, and hence this check is
> not needed. Hence remove this if-block.
>
> Signed-off-by: Nishka Dasgupta <nishkadg.linux@xxxxxxxxx>
> ---
> drivers/bus/ti-sysc.c | 2 --
> 1 file changed, 2 deletions(-)
>
> diff --git a/drivers/bus/ti-sysc.c b/drivers/bus/ti-sysc.c
> index e6deabd8305d..bc8082ae7cb5 100644
> --- a/drivers/bus/ti-sysc.c
> +++ b/drivers/bus/ti-sysc.c
> @@ -637,8 +637,6 @@ static int sysc_check_children(struct sysc *ddata)
>
> for_each_child_of_node(ddata->dev->of_node, child) {
> error = sysc_check_one_child(ddata, child);
> - if (error)
> - return error;

We cannot assume that sysc_check_one_child() will never return error in the future.
If it can never return an error then why does it have an int return type?

> }
>
> return 0;
>

cheers,
-roger
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