[ALSA] Remove zero-initialization of static variables

Removed zero-initializations of static variables.
A tiny optimization.

Signed-off-by: Takashi Iwai <tiwai@suse.de>

10 files changed, 15 insertions, 15 deletions

diff --git a/sound/core/info.c b/sound/core/info.c
index c8eeaea9d69..10c1772bf3e 100644
--- a/sound/core/info.c
+++ b/sound/core/info.c
@@ -143,12 +143,12 @@ EXPORT_SYMBOL(snd_iprintf);
 
  */
 
-static struct proc_dir_entry *snd_proc_root = NULL;
-struct snd_info_entry *snd_seq_root = NULL;
+static struct proc_dir_entry *snd_proc_root;
+struct snd_info_entry *snd_seq_root;
 EXPORT_SYMBOL(snd_seq_root);
 
 #ifdef CONFIG_SND_OSSEMUL
-struct snd_info_entry *snd_oss_root = NULL;
+struct snd_info_entry *snd_oss_root;
 #endif
 
 static inline void snd_info_entry_prepare(struct proc_dir_entry *de)
@@ -972,7 +972,7 @@ EXPORT_SYMBOL(snd_info_unregister);
 
  */
 
-static struct snd_info_entry *snd_info_version_entry = NULL;
+static struct snd_info_entry *snd_info_version_entry;
 
 static void snd_info_version_read(struct snd_info_entry *entry, struct snd_info_buffer *buffer)
 {
diff --git a/sound/core/init.c b/sound/core/init.c
index 38b2d4a9d67..4d9258884e4 100644
--- a/sound/core/init.c
+++ b/sound/core/init.c
@@ -38,8 +38,8 @@ struct snd_shutdown_f_ops {
         struct snd_shutdown_f_ops *next;
 };
 
-static unsigned int snd_cards_lock = 0; /* locked for registering/using */
-struct snd_card *snd_cards[SNDRV_CARDS] = {[0 ... (SNDRV_CARDS-1)] = NULL};
+static unsigned int snd_cards_lock;     /* locked for registering/using */
+struct snd_card *snd_cards[SNDRV_CARDS];
 EXPORT_SYMBOL(snd_cards);
 
 static DEFINE_MUTEX(snd_card_mutex);
@@ -529,7 +529,7 @@ int snd_card_register(struct snd_card *card)
 EXPORT_SYMBOL(snd_card_register);
 
 #ifdef CONFIG_PROC_FS
-static struct snd_info_entry *snd_card_info_entry = NULL;
+static struct snd_info_entry *snd_card_info_entry;
 
 static void snd_card_info_read(struct snd_info_entry *entry,
                                struct snd_info_buffer *buffer)
diff --git a/sound/core/oss/pcm_oss.c b/sound/core/oss/pcm_oss.c
index 4395285aa6a..f5ff4f4a16e 100644
--- a/sound/core/oss/pcm_oss.c
+++ b/sound/core/oss/pcm_oss.c
@@ -45,7 +45,7 @@
 
 #define OSS_ALSAEMULVER         _SIOR ('M', 249, int)
 
-static int dsp_map[SNDRV_CARDS] = {[0 ... (SNDRV_CARDS-1)] = 0};
+static int dsp_map[SNDRV_CARDS];
 static int adsp_map[SNDRV_CARDS] = {[0 ... (SNDRV_CARDS-1)] = 1};
 static int nonblock_open = 1;
 
diff --git a/sound/core/pcm.c b/sound/core/pcm.c
index bc00f9b00cb..7581edd7b9f 100644
--- a/sound/core/pcm.c
+++ b/sound/core/pcm.c
@@ -1072,7 +1072,7 @@ static void snd_pcm_proc_read(struct snd_info_entry *entry,
         mutex_unlock(&register_mutex);
 }
 
-static struct snd_info_entry *snd_pcm_proc_entry = NULL;
+static struct snd_info_entry *snd_pcm_proc_entry;
 
 static void snd_pcm_proc_init(void)
 {
diff --git a/sound/core/rawmidi.c b/sound/core/rawmidi.c
index 08a41e5023c..8c15c66eb4a 100644
--- a/sound/core/rawmidi.c
+++ b/sound/core/rawmidi.c
@@ -43,7 +43,7 @@ MODULE_DESCRIPTION("Midlevel RawMidi code for ALSA.");
 MODULE_LICENSE("GPL");
 
 #ifdef CONFIG_SND_OSSEMUL
-static int midi_map[SNDRV_CARDS] = {[0 ... (SNDRV_CARDS-1)] = 0};
+static int midi_map[SNDRV_CARDS];
 static int amidi_map[SNDRV_CARDS] = {[0 ... (SNDRV_CARDS-1)] = 1};
 module_param_array(midi_map, int, NULL, 0444);
 MODULE_PARM_DESC(midi_map, "Raw MIDI device number assigned to 1st OSS device.");
diff --git a/sound/core/seq/seq_device.c b/sound/core/seq/seq_device.c
index 1e4bc402f00..d812dc88636 100644
--- a/sound/core/seq/seq_device.c
+++ b/sound/core/seq/seq_device.c
@@ -80,7 +80,7 @@ static LIST_HEAD(opslist);
 static int num_ops;
 static DEFINE_MUTEX(ops_mutex);
 #ifdef CONFIG_PROC_FS
-static struct snd_info_entry *info_entry = NULL;
+static struct snd_info_entry *info_entry;
 #endif
 
 /*
diff --git a/sound/core/seq/seq_dummy.c b/sound/core/seq/seq_dummy.c
index 9eb1c744f77..e55488d1237 100644
--- a/sound/core/seq/seq_dummy.c
+++ b/sound/core/seq/seq_dummy.c
@@ -66,7 +66,7 @@ MODULE_LICENSE("GPL");
 MODULE_ALIAS("snd-seq-client-" __stringify(SNDRV_SEQ_CLIENT_DUMMY));
 
 static int ports = 1;
-static int duplex = 0;
+static int duplex;
 
 module_param(ports, int, 0444);
 MODULE_PARM_DESC(ports, "number of ports to be created");
diff --git a/sound/core/sound.c b/sound/core/sound.c
index 02c8cc4ebff..cd862728346 100644
--- a/sound/core/sound.c
+++ b/sound/core/sound.c
@@ -332,7 +332,7 @@ EXPORT_SYMBOL(snd_unregister_device);
  *  INFO PART
  */
 
-static struct snd_info_entry *snd_minor_info_entry = NULL;
+static struct snd_info_entry *snd_minor_info_entry;
 
 static const char *snd_device_type_name(int type)
 {
diff --git a/sound/core/sound_oss.c b/sound/core/sound_oss.c
index 0043c9a97de..74f0fe5a1ba 100644
--- a/sound/core/sound_oss.c
+++ b/sound/core/sound_oss.c
@@ -209,7 +209,7 @@ EXPORT_SYMBOL(snd_unregister_oss_device);
 
 #ifdef CONFIG_PROC_FS
 
-static struct snd_info_entry *snd_minor_info_oss_entry = NULL;
+static struct snd_info_entry *snd_minor_info_oss_entry;
 
 static const char *snd_oss_device_type_name(int type)
 {
diff --git a/sound/core/timer.c b/sound/core/timer.c
index d92f73c2c6b..78199f58b93 100644
--- a/sound/core/timer.c
+++ b/sound/core/timer.c
@@ -1106,7 +1106,7 @@ static void snd_timer_proc_read(struct snd_info_entry *entry,
         mutex_unlock(&register_mutex);
 }
 
-static struct snd_info_entry *snd_timer_proc_entry = NULL;
+static struct snd_info_entry *snd_timer_proc_entry;
 
 static void __init snd_timer_proc_init(void)
 {