[PATCH] selftests/alsa:Replace malloc with calloc

[Zhu Jun <zhujun2@xxxxxxxxxxxxxxxxxxxx>]

Using calloc to handling memory allocation, calloc
can initialize the allocated memory

Signed-off-by: Zhu Jun <zhujun2@xxxxxxxxxxxxxxxxxxxx>
---
 tools/testing/selftests/alsa/test-pcmtest-driver.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/tools/testing/selftests/alsa/test-pcmtest-driver.c b/tools/testing/selftests/alsa/test-pcmtest-driver.c
index ca81afa4ee90..0a551b5f41f7 100644
--- a/tools/testing/selftests/alsa/test-pcmtest-driver.c
+++ b/tools/testing/selftests/alsa/test-pcmtest-driver.c
@@ -134,6 +134,7 @@ FIXTURE_SETUP(pcmtest) {
 		SKIP(return, "Can't read patterns. Probably, module isn't loaded");
 
 	card_name = malloc(127);
+	memset(card_name, 0, 127);
 	ASSERT_NE(card_name, NULL);
 	self->params.buffer_size = 16384;
 	self->params.period_size = 4096;
-- 
2.17.1