Re: [PATCH] libbpf: remove unneeded conversion to bool

From: Song Liu
Date: Thu Jan 13 2022 - 19:37:50 EST




> On Jan 13, 2022, at 4:07 PM, davidcomponentone@xxxxxxxxx wrote:
>
> From: Yang Guang <yang.guang5@xxxxxxxxxx>
>
> The coccinelle report
> ./tools/lib/bpf/libbpf.c:1653:43-48:
> WARNING: conversion to bool not needed here
>
> Relational and logical operators evaluate to bool,
> explicit conversion is overly verbose and unneeded.
>
> Reported-by: Zeal Robot <zealci@xxxxxxxxxx>
> Signed-off-by: Yang Guang <yang.guang5@xxxxxxxxxx>
> Signed-off-by: David Yang <davidcomponentone@xxxxxxxxx>

I think this change has been NACK'ed multiple times.

I guess it is a good idea NOT to send it again.

Thanks,
Song

> ---
> tools/lib/bpf/libbpf.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/tools/lib/bpf/libbpf.c b/tools/lib/bpf/libbpf.c
> index 7f10dd501a52..f87787608795 100644
> --- a/tools/lib/bpf/libbpf.c
> +++ b/tools/lib/bpf/libbpf.c
> @@ -1650,7 +1650,7 @@ static int set_kcfg_value_tri(struct extern_desc *ext, void *ext_val,
> ext->name, value);
> return -EINVAL;
> }
> - *(bool *)ext_val = value == 'y' ? true : false;
> + *(bool *)ext_val = value == 'y';
> break;
> case KCFG_TRISTATE:
> if (value == 'y')
> --
> 2.30.2
>