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

Subsystems: performance events subsystem, the rest

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Landed in mainline as 83ff0f93b080 on 2021-03-09.

3 messages, 3 authors, 2021-03-10 · open the first message on its own page

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

From: Jiapeng Chong <hidden>
Date: 2021-03-09 10:12:12

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 <redacted>
Signed-off-by: Jiapeng Chong <redacted>
---
 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

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

From: Arnaldo Carvalho de Melo <acme@kernel.org>
Date: 2021-03-09 12:11:20

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

 
quoted hunk
Reported-by: Abaci Robot <redacted>
Signed-off-by: Jiapeng Chong <redacted>
---
 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

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

From: David Laight <hidden>
Date: 2021-03-10 09:56:41

From: Jiapeng Chong
quoted hunk
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 <redacted>
Signed-off-by: Jiapeng Chong <redacted>
---
 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
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