2021-03-09 10:13:32

by Jiapeng Chong

Subject: [PATCH] perf machine: Assign boolean values to a bool variable

Fix the following coccicheck warnings:

./tools/perf/util/machine.c:2041:9-10: WARNING: return of 0/1 in
function 'symbol__match_regex' with return type bool.

Reported-by: Abaci Robot <[email protected]>
Signed-off-by: Jiapeng Chong <[email protected]>
---
tools/perf/util/machine.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/tools/perf/util/machine.c b/tools/perf/util/machine.c
index b5c2d8b..435771e 100644
--- a/tools/perf/util/machine.c
+++ b/tools/perf/util/machine.c
@@ -2038,8 +2038,8 @@ int machine__process_event(struct machine *machine, union perf_event *event,
static bool symbol__match_regex(struct symbol *sym, regex_t *regex)
{
if (!regexec(regex, sym->name, 0, NULL, 0))
- return 1;
- return 0;
+ return true;
+ return false;
}

static void ip__resolve_ams(struct thread *thread,
--
1.8.3.1

2021-03-09 12:14:10

by Arnaldo Carvalho de Melo

Subject: Re: [PATCH] perf machine: Assign boolean values to a bool variable

Em Tue, Mar 09, 2021 at 06:11:09PM +0800, Jiapeng Chong escreveu:
> Fix the following coccicheck warnings:
>
> ./tools/perf/util/machine.c:2041:9-10: WARNING: return of 0/1 in
> function 'symbol__match_regex' with return type bool.

Thanks, applied.

- Arnaldo


> Reported-by: Abaci Robot <[email protected]>
> Signed-off-by: Jiapeng Chong <[email protected]>
> ---
> tools/perf/util/machine.c | 4 ++--
> 1 file changed, 2 insertions(+), 2 deletions(-)
>
> diff --git a/tools/perf/util/machine.c b/tools/perf/util/machine.c
> index b5c2d8b..435771e 100644
> --- a/tools/perf/util/machine.c
> +++ b/tools/perf/util/machine.c
> @@ -2038,8 +2038,8 @@ int machine__process_event(struct machine *machine, union perf_event *event,
> static bool symbol__match_regex(struct symbol *sym, regex_t *regex)
> {
> if (!regexec(regex, sym->name, 0, NULL, 0))
> - return 1;
> - return 0;
> + return true;
> + return false;
> }
>
> static void ip__resolve_ams(struct thread *thread,
> --
> 1.8.3.1
>

--

- Arnaldo

2021-03-10 09:57:26

by David Laight

Subject: RE: [PATCH] perf machine: Assign boolean values to a bool variable

From: Jiapeng Chong
> Sent: 09 March 2021 10:11
>
> Fix the following coccicheck warnings:
>
> ./tools/perf/util/machine.c:2041:9-10: WARNING: return of 0/1 in
> function 'symbol__match_regex' with return type bool.
>
> Reported-by: Abaci Robot <[email protected]>
> Signed-off-by: Jiapeng Chong <[email protected]>
> ---
> tools/perf/util/machine.c | 4 ++--
> 1 file changed, 2 insertions(+), 2 deletions(-)
>
> diff --git a/tools/perf/util/machine.c b/tools/perf/util/machine.c
> index b5c2d8b..435771e 100644
> --- a/tools/perf/util/machine.c
> +++ b/tools/perf/util/machine.c
> @@ -2038,8 +2038,8 @@ int machine__process_event(struct machine *machine, union perf_event *event,
> static bool symbol__match_regex(struct symbol *sym, regex_t *regex)
> {
> if (!regexec(regex, sym->name, 0, NULL, 0))
> - return 1;
> - return 0;
> + return true;
> + return false;

What's wrong with:
return !regexec(regex, sym->name, 0, NULL, 0);

David

-
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