[PATCH] selftests: ALSA: fix memory leak in utimer test

[WangYuli]

Free the malloc'd buffer in TEST_F(timer_f, utimer) to prevent
memory leak.

Reported-by: Jun Zhan <zhanjun@xxxxxxxxxxxxx>
Signed-off-by: WangYuli <wangyuli@xxxxxxxxxxxxx>
---
 tools/testing/selftests/alsa/utimer-test.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/tools/testing/selftests/alsa/utimer-test.c b/tools/testing/selftests/alsa/utimer-test.c
index 32ee3ce57721..37964f311a33 100644
--- a/tools/testing/selftests/alsa/utimer-test.c
+++ b/tools/testing/selftests/alsa/utimer-test.c
@@ -135,6 +135,7 @@ TEST_F(timer_f, utimer) {
 	pthread_join(ticking_thread, NULL);
 	ASSERT_EQ(total_ticks, TICKS_COUNT);
 	pclose(rfp);
+	free(buf);
 }
 
 TEST(wrong_timers_test) {
-- 
2.50.1