[PATCH] selftests/alsa: remove 0/NULL global variable assignment

["Nikola Z. Ivanov" <zlatistiv@xxxxxxxxx>]

Remove 0/NULL global variable assignment in mixer-test.c and pcm-test.c

Signed-off-by: Nikola Z. Ivanov <zlatistiv@xxxxxxxxx>
---
 tools/testing/selftests/alsa/mixer-test.c | 8 ++++----
 tools/testing/selftests/alsa/pcm-test.c   | 8 ++++----
 2 files changed, 8 insertions(+), 8 deletions(-)

diff --git a/tools/testing/selftests/alsa/mixer-test.c b/tools/testing/selftests/alsa/mixer-test.c
index 2a4b2662035e..e113dafa5c24 100644
--- a/tools/testing/selftests/alsa/mixer-test.c
+++ b/tools/testing/selftests/alsa/mixer-test.c
@@ -53,10 +53,10 @@ struct ctl_data {
 	struct ctl_data *next;
 };
 
-int num_cards = 0;
-int num_controls = 0;
-struct card_data *card_list = NULL;
-struct ctl_data *ctl_list = NULL;
+int num_cards;
+int num_controls;
+struct card_data *card_list;
+struct ctl_data *ctl_list;
 
 static void find_controls(void)
 {
diff --git a/tools/testing/selftests/alsa/pcm-test.c b/tools/testing/selftests/alsa/pcm-test.c
index dbd7c222ce93..ce92548670c8 100644
--- a/tools/testing/selftests/alsa/pcm-test.c
+++ b/tools/testing/selftests/alsa/pcm-test.c
@@ -30,7 +30,7 @@ struct card_data {
 	struct card_data *next;
 };
 
-struct card_data *card_list = NULL;
+struct card_data *card_list;
 
 struct pcm_data {
 	snd_pcm_t *handle;
@@ -43,10 +43,10 @@ struct pcm_data {
 	struct pcm_data *next;
 };
 
-struct pcm_data *pcm_list = NULL;
+struct pcm_data *pcm_list;
 
-int num_missing = 0;
-struct pcm_data *pcm_missing = NULL;
+int num_missing;
+struct pcm_data *pcm_missing;
 
 snd_config_t *default_pcm_config;
 
-- 
2.50.1