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cpupower: fix potential memory leak 

Signed-off-by: Thomas Renninger <trenn@suse.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
This commit is contained in:
Arjun Sreedharan 2016-04-29 09:00:14 +02:00 committed by Rafael J. Wysocki
parent ac5a181d06
commit 0b81561c1d
1 changed files with 5 additions and 3 deletions
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8
tools/power/cpupower/bench/parse.c
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@ -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;
@ -88,13 +88,15 @@ FILE *prepare_output(const char *dirname)
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) {
if (filename_tmp == NULL) {
free(filename);
perror("realloc");
goto out_dir;
}
filename = filename_tmp;
snprintf(filename, len - 1, "%s/benchmark_%s_%s_%li.log",
dirname, sysdata.nodename, sysdata.release, time(NULL));
} else {