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pm: cpupower: bench: print config file path when open cpufreq-bench.conf fails

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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>
Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>
This commit is contained in:
Peng Fan 2024-09-19 20:08:11 +08:00 committed by Shuah Khan
parent 7043a9f77c
commit c0dd6507ab
1 changed files with 3 additions and 2 deletions
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5
tools/power/cpupower/bench/parse.c
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@ -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;
}