2022-01-14 00:08:03

by David Yang

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

From: Yang Guang <[email protected]>

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 <[email protected]>
Signed-off-by: Yang Guang <[email protected]>
Signed-off-by: David Yang <[email protected]>
---
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

2022-01-14 00:37:48

by Song Liu

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

> On Jan 13, 2022, at 4:07 PM, [email protected] wrote:
>
> From: Yang Guang <[email protected]>
>
> 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 <[email protected]>
> Signed-off-by: Yang Guang <[email protected]>
> Signed-off-by: David Yang <[email protected]>

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
>