[PATCH v2] perf machine: Use true and false for bool variable

[Jiapeng Chong]

Fix the following coccicheck warnings:

./tools/perf/util/machine.c:2000:9-10: WARNING: return of 0/1 in
function 'symbol__match_regex' with return type bool.

Reported-by: Abaci Robot <abaci@xxxxxxxxxxxxxxxxx>
Signed-off-by: Jiapeng Chong <jiapeng.chong@xxxxxxxxxxxxxxxxx>
---
Changes in v2:
  - Simplified logic.

 tools/perf/util/machine.c | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/tools/perf/util/machine.c b/tools/perf/util/machine.c
index 1e9d3f9..3a69c4f 100644
--- a/tools/perf/util/machine.c
+++ b/tools/perf/util/machine.c
@@ -1996,9 +1996,7 @@ 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 regexec(regex, sym->name, 0, NULL, 0) == 0;
 }
 
 static void ip__resolve_ams(struct thread *thread,
-- 
1.8.3.1