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Diffstat (limited to 'tools/power/cpupower/bench/parse.c')
-rw-r--r--tools/power/cpupower/bench/parse.c20
1 files changed, 15 insertions, 5 deletions
diff --git a/tools/power/cpupower/bench/parse.c b/tools/power/cpupower/bench/parse.c
index f503fb53824e..9b65f052081f 100644
--- a/tools/power/cpupower/bench/parse.c
+++ b/tools/power/cpupower/bench/parse.c
@@ -65,7 +65,7 @@ FILE *prepare_output(const char *dirname)
{
FILE *output = NULL;
int len;
- char *filename;
+ char *filename, *filename_tmp;
struct utsname sysdata;
DIR *dir;
@@ -81,16 +81,22 @@ FILE *prepare_output(const char *dirname)
len = strlen(dirname) + 30;
filename = malloc(sizeof(char) * len);
+ if (!filename) {
+ perror("malloc");
+ goto out_dir;
+ }
if (uname(&sysdata) == 0) {
len += strlen(sysdata.nodename) + strlen(sysdata.release);
- filename = realloc(filename, sizeof(char) * len);
+ filename_tmp = realloc(filename, sizeof(*filename) * len);
- if (filename == NULL) {
+ if (filename_tmp == NULL) {
+ free(filename);
perror("realloc");
- return NULL;
+ goto out_dir;
}
+ filename = filename_tmp;
snprintf(filename, len - 1, "%s/benchmark_%s_%s_%li.log",
dirname, sysdata.nodename, sysdata.release, time(NULL));
} else {
@@ -104,12 +110,16 @@ FILE *prepare_output(const char *dirname)
if (output == NULL) {
perror("fopen");
fprintf(stderr, "error: unable to open logfile\n");
+ goto out;
}
fprintf(stdout, "Logfile: %s\n", filename);
- free(filename);
fprintf(output, "#round load sleep performance powersave percentage\n");
+out:
+ free(filename);
+out_dir:
+ closedir(dir);
return output;
}