On Fri, Nov 6, 2020 at 1:50 PM Joe Perches <joe@xxxxxxxxxxx> wrote: > > On Fri, 2020-11-06 at 13:32 -0800, Andrii Nakryiko wrote: > > On Thu, Nov 5, 2020 at 11:12 PM <xiakaixu1987@xxxxxxxxx> wrote: > > > Fix following warning from coccinelle: > > > ./tools/lib/bpf/libbpf.c:1478:43-48: WARNING: conversion to bool not needed here > [] > > > diff --git a/tools/lib/bpf/libbpf.c b/tools/lib/bpf/libbpf.c > [] > > > @@ -1475,7 +1475,7 @@ 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'; > > > > I actually did this intentionally. x = y == z; pattern looked too > > obscure to my taste, tbh. > > It's certainly a question of taste and obviously there is nothing > wrong with yours. > > Maybe adding parentheses makes the below look less obscure to you? > > x = (y == z); Yeah, I think this would be explicit enough. But let's keep the *(bool *) cast and keep switch code shorter and without extra {} block. > > My taste would run to something like: > --- > tools/lib/bpf/libbpf.c | 25 +++++++++++++++++-------- > 1 file changed, 17 insertions(+), 8 deletions(-) > [...]