linux-kernel - [PATCH] tools/latency-collector: fix -Wformat-security compile warns

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Date: Wed,  3 Apr 2024 19:10:09 -0600
From: Shuah Khan <skhan@...uxfoundation.org>
To: rostedt@...dmis.org
Cc: Shuah Khan <skhan@...uxfoundation.org>,
	linux-kernel@...r.kernel.org,
	linux-trace-kernel@...r.kernel.org
Subject: [PATCH] tools/latency-collector: fix -Wformat-security compile warns

Fix the following -Wformat-security compile warnings adding missing
format arguments:

latency-collector.c: In function ‘show_available’:
latency-collector.c:938:17: warning: format not a string literal and
no format arguments [-Wformat-security]
  938 |                 warnx(no_tracer_msg);
      |                 ^~~~~

latency-collector.c:943:17: warning: format not a string literal and
no format arguments [-Wformat-security]
  943 |                 warnx(no_latency_tr_msg);
      |                 ^~~~~

latency-collector.c: In function ‘find_default_tracer’:
latency-collector.c:986:25: warning: format not a string literal and
no format arguments [-Wformat-security]
  986 |                         errx(EXIT_FAILURE, no_tracer_msg);
      |
                         ^~~~
latency-collector.c: In function ‘scan_arguments’:
latency-collector.c:1881:33: warning: format not a string literal and
no format arguments [-Wformat-security]
 1881 |                                 errx(EXIT_FAILURE, no_tracer_msg);
      |                                 ^~~~

Signed-off-by: Shuah Khan <skhan@...uxfoundation.org>
---
 tools/tracing/latency/latency-collector.c | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/tools/tracing/latency/latency-collector.c b/tools/tracing/latency/latency-collector.c
index 0fd9c747d396..cf263fe9deaf 100644
--- a/tools/tracing/latency/latency-collector.c
+++ b/tools/tracing/latency/latency-collector.c
@@ -935,12 +935,12 @@ static void show_available(void)
 	}
 
 	if (!tracers) {
-		warnx(no_tracer_msg);
+		warnx("%s", no_tracer_msg);
 		return;
 	}
 
 	if (!found) {
-		warnx(no_latency_tr_msg);
+		warnx("%s", no_latency_tr_msg);
 		tracefs_list_free(tracers);
 		return;
 	}
@@ -983,7 +983,7 @@ static const char *find_default_tracer(void)
 	for (i = 0; relevant_tracers[i]; i++) {
 		valid = tracer_valid(relevant_tracers[i], &notracer);
 		if (notracer)
-			errx(EXIT_FAILURE, no_tracer_msg);
+			errx(EXIT_FAILURE, "%s", no_tracer_msg);
 		if (valid)
 			return relevant_tracers[i];
 	}
@@ -1878,7 +1878,7 @@ static void scan_arguments(int argc, char *argv[])
 			}
 			valid = tracer_valid(current_tracer, &notracer);
 			if (notracer)
-				errx(EXIT_FAILURE, no_tracer_msg);
+				errx(EXIT_FAILURE, "%s", no_tracer_msg);
 			if (!valid)
 				errx(EXIT_FAILURE,
 "The tracer %s is not supported by your kernel!\n", current_tracer);
-- 
2.40.1