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perf machine: Assign boolean values to a bool variable

Message ID 1615284669-82139-1-git-send-email-jiapeng.chong@linux.alibaba.com (mailing list archive)
State Superseded
Delegated to: BPF
Headers show
Series perf machine: Assign boolean values to a bool variable | expand

Checks

Context Check Description
netdev/tree_selection success Not a local patch

Commit Message

Jiapeng Chong March 9, 2021, 10:11 a.m. UTC
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 <abaci@linux.alibaba.com>
Signed-off-by: Jiapeng Chong <jiapeng.chong@linux.alibaba.com>
---
 tools/perf/util/machine.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

Comments

Arnaldo Carvalho de Melo March 9, 2021, 12:10 p.m. UTC | #1
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 <abaci@linux.alibaba.com>
> Signed-off-by: Jiapeng Chong <jiapeng.chong@linux.alibaba.com>
> ---
>  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
>
David Laight March 10, 2021, 9:55 a.m. UTC | #2
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 <abaci@linux.alibaba.com>
> Signed-off-by: Jiapeng Chong <jiapeng.chong@linux.alibaba.com>
> ---
>  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

-
Registered Address Lakeside, Bramley Road, Mount Farm, Milton Keynes, MK1 1PT, UK
Registration No: 1397386 (Wales)
diff mbox series

Patch

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,