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[v2,1/2] pm: cpupower: bench: print config file path when open cpufreq-bench.conf fails

Message ID 20240919-pm-v2-1-0f25686556b5@nxp.com
State New
Headers show
Series [v2,1/2] pm: cpupower: bench: print config file path when open cpufreq-bench.conf fails | expand

Commit Message

Peng Fan (OSS) Sept. 19, 2024, 12:08 p.m. UTC 
From: Peng Fan <peng.fan@nxp.com>

Print out the config file path when fopen failed. It will be easy
for users to know where to create the file.

Since we are here, use strerror to drop the usage of perror.

Signed-off-by: Peng Fan <peng.fan@nxp.com>
---
 tools/power/cpupower/bench/parse.c | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)
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Patch

diff --git a/tools/power/cpupower/bench/parse.c b/tools/power/cpupower/bench/parse.c
index e63dc11fa3a5..080678d9d74e 100644
--- a/tools/power/cpupower/bench/parse.c
+++ b/tools/power/cpupower/bench/parse.c
@@ -4,6 +4,7 @@ 
  *  Copyright (C) 2008 Christian Kornacker <ckornacker@suse.de>
  */
 
+#include <errno.h>
 #include <stdio.h>
 #include <stdlib.h>
 #include <stdarg.h>
@@ -165,8 +166,8 @@  int prepare_config(const char *path, struct config *config)
 
 	configfile = fopen(path, "r");
 	if (configfile == NULL) {
-		perror("fopen");
-		fprintf(stderr, "error: unable to read configfile\n");
+		fprintf(stderr, "error: unable to read configfile: %s, %s\n",
+			path, strerror(errno));
 		free(config);
 		return 1;
 	}