[PATCH v2] selftests: futex: Fix missing free in main

[zhangjiao2]

From: zhang jiao <zhangji...@cmss.chinamobile.com>

By readind the code, I found there is no free() after asprintf().
Just free it.

Signed-off-by: zhang jiao <zhangji...@cmss.chinamobile.com>
---
v1->v2:
        Set a flag to determine if test_name needs free.
        
 tools/testing/selftests/futex/functional/futex_requeue_pi.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/tools/testing/selftests/futex/functional/futex_requeue_pi.c 
b/tools/testing/selftests/futex/functional/futex_requeue_pi.c
index 215c6cb539b4..d78bb5112fce 100644
--- a/tools/testing/selftests/futex/functional/futex_requeue_pi.c
+++ b/tools/testing/selftests/futex/functional/futex_requeue_pi.c
@@ -362,6 +362,7 @@ int main(int argc, char *argv[])
 {
        char *test_name;
        int c, ret;
+       int need_f = 1;
 
        while ((c = getopt(argc, argv, "bchlot:v:")) != -1) {
                switch (c) {
@@ -404,6 +405,7 @@ int main(int argc, char *argv[])
                       "%s broadcast=%d locked=%d owner=%d timeout=%ldns",
                       TEST_NAME, broadcast, locked, owner, timeout_ns);
        if (ret < 0) {
+               need_f = 0;
                ksft_print_msg("Failed to generate test name\n");
                test_name = TEST_NAME;
        }
@@ -416,5 +418,7 @@ int main(int argc, char *argv[])
        ret = unit_test(broadcast, locked, owner, timeout_ns);
 
        print_result(test_name, ret);
+       if (need_f)
+               free(test_name);
        return ret;
 }
-- 
2.33.0